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2082 lines
49 KiB
2082 lines
49 KiB
package agent
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/consul/agent/checks"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/testutil"
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"github.com/hashicorp/consul/testutil/retry"
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"github.com/hashicorp/consul/types"
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uuid "github.com/hashicorp/go-uuid"
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"github.com/pascaldekloe/goe/verify"
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)
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func externalIP() (string, error) {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "", fmt.Errorf("Unable to lookup network interfaces: %v", err)
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}
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for _, a := range addrs {
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if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String(), nil
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}
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}
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}
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return "", fmt.Errorf("Unable to find a non-loopback interface")
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}
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func TestAgent_MultiStartStop(t *testing.T) {
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for i := 0; i < 10; i++ {
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t.Run("", func(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), "")
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time.Sleep(250 * time.Millisecond)
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a.Shutdown()
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})
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}
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}
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func TestAgent_StartStop(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), "")
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// defer a.Shutdown()
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if err := a.Leave(); err != nil {
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t.Fatalf("err: %v", err)
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}
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if err := a.Shutdown(); err != nil {
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t.Fatalf("err: %v", err)
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}
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select {
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case <-a.ShutdownCh():
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default:
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t.Fatalf("should be closed")
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}
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}
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func TestAgent_RPCPing(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), "")
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defer a.Shutdown()
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var out struct{}
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if err := a.RPC("Status.Ping", struct{}{}, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestAgent_TokenStore(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), `
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acl_token = "user"
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acl_agent_token = "agent"
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acl_agent_master_token = "master"`,
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)
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defer a.Shutdown()
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if got, want := a.tokens.UserToken(), "user"; got != want {
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t.Fatalf("got %q want %q", got, want)
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}
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if got, want := a.tokens.AgentToken(), "agent"; got != want {
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t.Fatalf("got %q want %q", got, want)
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}
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if got, want := a.tokens.IsAgentMasterToken("master"), true; got != want {
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t.Fatalf("got %v want %v", got, want)
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}
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}
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func TestAgent_ReconnectConfigSettings(t *testing.T) {
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t.Parallel()
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func() {
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a := NewTestAgent(t.Name(), "")
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defer a.Shutdown()
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lan := a.consulConfig().SerfLANConfig.ReconnectTimeout
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if lan != 3*24*time.Hour {
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t.Fatalf("bad: %s", lan.String())
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}
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wan := a.consulConfig().SerfWANConfig.ReconnectTimeout
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if wan != 3*24*time.Hour {
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t.Fatalf("bad: %s", wan.String())
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}
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}()
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func() {
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a := NewTestAgent(t.Name(), `
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reconnect_timeout = "24h"
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reconnect_timeout_wan = "36h"
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`)
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defer a.Shutdown()
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lan := a.consulConfig().SerfLANConfig.ReconnectTimeout
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if lan != 24*time.Hour {
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t.Fatalf("bad: %s", lan.String())
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}
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wan := a.consulConfig().SerfWANConfig.ReconnectTimeout
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if wan != 36*time.Hour {
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t.Fatalf("bad: %s", wan.String())
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}
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}()
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}
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func TestAgent_setupNodeID(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), `
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node_id = ""
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`)
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defer a.Shutdown()
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cfg := a.config
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// The auto-assigned ID should be valid.
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id := a.consulConfig().NodeID
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if _, err := uuid.ParseUUID(string(id)); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Running again should get the same ID (persisted in the file).
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cfg.NodeID = ""
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if err := a.setupNodeID(cfg); err != nil {
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t.Fatalf("err: %v", err)
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}
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if newID := a.consulConfig().NodeID; id != newID {
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t.Fatalf("bad: %q vs %q", id, newID)
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}
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// Set an invalid ID via.Config.
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cfg.NodeID = types.NodeID("nope")
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err := a.setupNodeID(cfg)
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if err == nil || !strings.Contains(err.Error(), "uuid string is wrong length") {
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t.Fatalf("err: %v", err)
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}
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// Set a valid ID via.Config.
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newID, err := uuid.GenerateUUID()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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cfg.NodeID = types.NodeID(strings.ToUpper(newID))
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if err := a.setupNodeID(cfg); err != nil {
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t.Fatalf("err: %v", err)
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}
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if id := a.consulConfig().NodeID; string(id) != newID {
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t.Fatalf("bad: %q vs. %q", id, newID)
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}
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// Set an invalid ID via the file.
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fileID := filepath.Join(cfg.DataDir, "node-id")
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if err := ioutil.WriteFile(fileID, []byte("adf4238a!882b!9ddc!4a9d!5b6758e4159e"), 0600); err != nil {
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t.Fatalf("err: %v", err)
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}
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cfg.NodeID = ""
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err = a.setupNodeID(cfg)
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if err == nil || !strings.Contains(err.Error(), "uuid is improperly formatted") {
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t.Fatalf("err: %v", err)
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}
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// Set a valid ID via the file.
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if err := ioutil.WriteFile(fileID, []byte("ADF4238a-882b-9ddc-4a9d-5b6758e4159e"), 0600); err != nil {
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t.Fatalf("err: %v", err)
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}
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cfg.NodeID = ""
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if err := a.setupNodeID(cfg); err != nil {
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t.Fatalf("err: %v", err)
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}
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if id := a.consulConfig().NodeID; string(id) != "adf4238a-882b-9ddc-4a9d-5b6758e4159e" {
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t.Fatalf("bad: %q vs. %q", id, newID)
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}
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}
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func TestAgent_makeNodeID(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), `
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node_id = ""
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`)
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defer a.Shutdown()
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// We should get a valid host-based ID initially.
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id, err := a.makeNodeID()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if _, err := uuid.ParseUUID(string(id)); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Calling again should yield a random ID by default.
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another, err := a.makeNodeID()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if id == another {
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t.Fatalf("bad: %s vs %s", id, another)
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}
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// Turn on host-based IDs and try again. We should get the same ID
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// each time (and a different one from the random one above).
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a.Config.DisableHostNodeID = false
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id, err = a.makeNodeID()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if id == another {
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t.Fatalf("bad: %s vs %s", id, another)
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}
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// Calling again should yield the host-based ID.
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another, err = a.makeNodeID()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if id != another {
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t.Fatalf("bad: %s vs %s", id, another)
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}
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}
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func TestAgent_AddService(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), `
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node_name = "node1"
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`)
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defer a.Shutdown()
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tests := []struct {
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desc string
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srv *structs.NodeService
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chkTypes []*structs.CheckType
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healthChks map[string]*structs.HealthCheck
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}{
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{
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"one check",
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&structs.NodeService{
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ID: "svcid1",
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Service: "svcname1",
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Tags: []string{"tag1"},
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Port: 8100,
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},
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[]*structs.CheckType{
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&structs.CheckType{
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CheckID: "check1",
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Name: "name1",
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TTL: time.Minute,
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Notes: "note1",
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},
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},
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map[string]*structs.HealthCheck{
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"check1": &structs.HealthCheck{
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Node: "node1",
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CheckID: "check1",
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Name: "name1",
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Status: "critical",
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Notes: "note1",
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ServiceID: "svcid1",
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ServiceName: "svcname1",
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ServiceTags: []string{"tag1"},
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},
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},
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},
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{
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"multiple checks",
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&structs.NodeService{
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ID: "svcid2",
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Service: "svcname2",
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Tags: []string{"tag2"},
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Port: 8200,
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},
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[]*structs.CheckType{
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&structs.CheckType{
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CheckID: "check1",
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Name: "name1",
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TTL: time.Minute,
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Notes: "note1",
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},
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&structs.CheckType{
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CheckID: "check-noname",
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TTL: time.Minute,
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},
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&structs.CheckType{
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Name: "check-noid",
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TTL: time.Minute,
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},
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&structs.CheckType{
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TTL: time.Minute,
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},
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},
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map[string]*structs.HealthCheck{
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"check1": &structs.HealthCheck{
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Node: "node1",
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CheckID: "check1",
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Name: "name1",
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Status: "critical",
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Notes: "note1",
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ServiceID: "svcid2",
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ServiceName: "svcname2",
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ServiceTags: []string{"tag2"},
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},
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"check-noname": &structs.HealthCheck{
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Node: "node1",
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CheckID: "check-noname",
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Name: "Service 'svcname2' check",
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Status: "critical",
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ServiceID: "svcid2",
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ServiceName: "svcname2",
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ServiceTags: []string{"tag2"},
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},
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"service:svcid2:3": &structs.HealthCheck{
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Node: "node1",
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CheckID: "service:svcid2:3",
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Name: "check-noid",
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Status: "critical",
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ServiceID: "svcid2",
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ServiceName: "svcname2",
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ServiceTags: []string{"tag2"},
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},
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"service:svcid2:4": &structs.HealthCheck{
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Node: "node1",
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CheckID: "service:svcid2:4",
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Name: "Service 'svcname2' check",
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Status: "critical",
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ServiceID: "svcid2",
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ServiceName: "svcname2",
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ServiceTags: []string{"tag2"},
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},
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.desc, func(t *testing.T) {
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// check the service registration
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t.Run(tt.srv.ID, func(t *testing.T) {
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err := a.AddService(tt.srv, tt.chkTypes, false, "")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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got, want := a.State.Services()[tt.srv.ID], tt.srv
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verify.Values(t, "", got, want)
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})
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// check the health checks
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for k, v := range tt.healthChks {
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t.Run(k, func(t *testing.T) {
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got, want := a.State.Checks()[types.CheckID(k)], v
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verify.Values(t, k, got, want)
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})
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}
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// check the ttl checks
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for k := range tt.healthChks {
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t.Run(k+" ttl", func(t *testing.T) {
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chk := a.checkTTLs[types.CheckID(k)]
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if chk == nil {
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t.Fatal("got nil want TTL check")
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}
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if got, want := string(chk.CheckID), k; got != want {
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t.Fatalf("got CheckID %v want %v", got, want)
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}
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if got, want := chk.TTL, time.Minute; got != want {
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t.Fatalf("got TTL %v want %v", got, want)
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}
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})
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}
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})
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}
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}
|
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func TestAgent_RemoveService(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), "")
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defer a.Shutdown()
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// Remove a service that doesn't exist
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if err := a.RemoveService("redis", false); err != nil {
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t.Fatalf("err: %v", err)
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}
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|
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// Remove without an ID
|
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if err := a.RemoveService("", false); err == nil {
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t.Fatalf("should have errored")
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}
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|
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// Removing a service with a single check works
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{
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srv := &structs.NodeService{
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ID: "memcache",
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Service: "memcache",
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Port: 8000,
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}
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chkTypes := []*structs.CheckType{&structs.CheckType{TTL: time.Minute}}
|
|
|
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if err := a.AddService(srv, chkTypes, false, ""); err != nil {
|
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t.Fatalf("err: %v", err)
|
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}
|
|
|
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// Add a check after the fact with a specific check ID
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check := &structs.CheckDefinition{
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ID: "check2",
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Name: "check2",
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ServiceID: "memcache",
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TTL: time.Minute,
|
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}
|
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hc := check.HealthCheck("node1")
|
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if err := a.AddCheck(hc, check.CheckType(), false, ""); err != nil {
|
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t.Fatalf("err: %s", err)
|
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}
|
|
|
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if err := a.RemoveService("memcache", false); err != nil {
|
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t.Fatalf("err: %s", err)
|
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}
|
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if _, ok := a.State.Checks()["service:memcache"]; ok {
|
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t.Fatalf("have memcache check")
|
|
}
|
|
if _, ok := a.State.Checks()["check2"]; ok {
|
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t.Fatalf("have check2 check")
|
|
}
|
|
}
|
|
|
|
// Removing a service with multiple checks works
|
|
{
|
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srv := &structs.NodeService{
|
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ID: "redis",
|
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Service: "redis",
|
|
Port: 8000,
|
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}
|
|
chkTypes := []*structs.CheckType{
|
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&structs.CheckType{TTL: time.Minute},
|
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&structs.CheckType{TTL: 30 * time.Second},
|
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}
|
|
if err := a.AddService(srv, chkTypes, false, ""); err != nil {
|
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t.Fatalf("err: %v", err)
|
|
}
|
|
|
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// Remove the service
|
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if err := a.RemoveService("redis", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
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}
|
|
|
|
// Ensure we have a state mapping
|
|
if _, ok := a.State.Services()["redis"]; ok {
|
|
t.Fatalf("have redis service")
|
|
}
|
|
|
|
// Ensure checks were removed
|
|
if _, ok := a.State.Checks()["service:redis:1"]; ok {
|
|
t.Fatalf("check redis:1 should be removed")
|
|
}
|
|
if _, ok := a.State.Checks()["service:redis:2"]; ok {
|
|
t.Fatalf("check redis:2 should be removed")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := a.checkTTLs["service:redis:1"]; ok {
|
|
t.Fatalf("check ttl for redis:1 should be removed")
|
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}
|
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if _, ok := a.checkTTLs["service:redis:2"]; ok {
|
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t.Fatalf("check ttl for redis:2 should be removed")
|
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}
|
|
}
|
|
}
|
|
|
|
func TestAgent_RemoveServiceRemovesAllChecks(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
node_name = "node1"
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{ID: "redis", Service: "redis", Port: 8000}
|
|
chk1 := &structs.CheckType{CheckID: "chk1", Name: "chk1", TTL: time.Minute}
|
|
chk2 := &structs.CheckType{CheckID: "chk2", Name: "chk2", TTL: 2 * time.Minute}
|
|
hchk1 := &structs.HealthCheck{Node: "node1", CheckID: "chk1", Name: "chk1", Status: "critical", ServiceID: "redis", ServiceName: "redis"}
|
|
hchk2 := &structs.HealthCheck{Node: "node1", CheckID: "chk2", Name: "chk2", Status: "critical", ServiceID: "redis", ServiceName: "redis"}
|
|
|
|
// register service with chk1
|
|
if err := a.AddService(svc, []*structs.CheckType{chk1}, false, ""); err != nil {
|
|
t.Fatal("Failed to register service", err)
|
|
}
|
|
|
|
// verify chk1 exists
|
|
if a.State.Checks()["chk1"] == nil {
|
|
t.Fatal("Could not find health check chk1")
|
|
}
|
|
|
|
// update the service with chk2
|
|
if err := a.AddService(svc, []*structs.CheckType{chk2}, false, ""); err != nil {
|
|
t.Fatal("Failed to update service", err)
|
|
}
|
|
|
|
// check that both checks are there
|
|
if got, want := a.State.Checks()["chk1"], hchk1; !verify.Values(t, "", got, want) {
|
|
t.FailNow()
|
|
}
|
|
if got, want := a.State.Checks()["chk2"], hchk2; !verify.Values(t, "", got, want) {
|
|
t.FailNow()
|
|
}
|
|
|
|
// Remove service
|
|
if err := a.RemoveService("redis", false); err != nil {
|
|
t.Fatal("Failed to remove service", err)
|
|
}
|
|
|
|
// Check that both checks are gone
|
|
if a.State.Checks()["chk1"] != nil {
|
|
t.Fatal("Found health check chk1 want nil")
|
|
}
|
|
if a.State.Checks()["chk2"] != nil {
|
|
t.Fatal("Found health check chk2 want nil")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
enable_script_checks = true
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &structs.CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
sChk, ok := a.State.Checks()["mem"]
|
|
if !ok {
|
|
t.Fatalf("missing mem check")
|
|
}
|
|
|
|
// Ensure our check is in the right state
|
|
if sChk.Status != api.HealthCritical {
|
|
t.Fatalf("check not critical")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := a.checkMonitors["mem"]; !ok {
|
|
t.Fatalf("missing mem monitor")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_StartPassing(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
enable_script_checks = true
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthPassing,
|
|
}
|
|
chk := &structs.CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
sChk, ok := a.State.Checks()["mem"]
|
|
if !ok {
|
|
t.Fatalf("missing mem check")
|
|
}
|
|
|
|
// Ensure our check is in the right state
|
|
if sChk.Status != api.HealthPassing {
|
|
t.Fatalf("check not passing")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := a.checkMonitors["mem"]; !ok {
|
|
t.Fatalf("missing mem monitor")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_MinInterval(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
enable_script_checks = true
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &structs.CheckType{
|
|
Script: "exit 0",
|
|
Interval: time.Microsecond,
|
|
}
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
if _, ok := a.State.Checks()["mem"]; !ok {
|
|
t.Fatalf("missing mem check")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if mon, ok := a.checkMonitors["mem"]; !ok {
|
|
t.Fatalf("missing mem monitor")
|
|
} else if mon.Interval != checks.MinInterval {
|
|
t.Fatalf("bad mem monitor interval")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_MissingService(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
enable_script_checks = true
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "baz",
|
|
Name: "baz check 1",
|
|
ServiceID: "baz",
|
|
}
|
|
chk := &structs.CheckType{
|
|
Script: "exit 0",
|
|
Interval: time.Microsecond,
|
|
}
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err == nil || err.Error() != `ServiceID "baz" does not exist` {
|
|
t.Fatalf("expected service id error, got: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_RestoreState(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// Create some state and persist it
|
|
ttl := &checks.CheckTTL{
|
|
CheckID: "baz",
|
|
TTL: time.Minute,
|
|
}
|
|
err := a.persistCheckState(ttl, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Build and register the check definition and initial state
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "baz",
|
|
Name: "baz check 1",
|
|
}
|
|
chk := &structs.CheckType{
|
|
TTL: time.Minute,
|
|
}
|
|
err = a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the check status was restored during registration
|
|
checks := a.State.Checks()
|
|
check, ok := checks["baz"]
|
|
if !ok {
|
|
t.Fatalf("missing check")
|
|
}
|
|
if check.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
if check.Output != "yup" {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_ExecDisable(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &structs.CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we don't have a check mapping
|
|
if memChk := a.State.Checks()["mem"]; memChk != nil {
|
|
t.Fatalf("should be missing mem check")
|
|
}
|
|
}
|
|
|
|
func TestAgent_RemoveCheck(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
enable_script_checks = true
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
// Remove check that doesn't exist
|
|
if err := a.RemoveCheck("mem", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Remove without an ID
|
|
if err := a.RemoveCheck("", false); err == nil {
|
|
t.Fatalf("should have errored")
|
|
}
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &structs.CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Remove check
|
|
if err := a.RemoveCheck("mem", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
if _, ok := a.State.Checks()["mem"]; ok {
|
|
t.Fatalf("have mem check")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := a.checkMonitors["mem"]; ok {
|
|
t.Fatalf("have mem monitor")
|
|
}
|
|
}
|
|
|
|
func TestAgent_HTTPCheck_TLSSkipVerify(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
fmt.Fprintln(w, "GOOD")
|
|
})
|
|
server := httptest.NewTLSServer(handler)
|
|
defer server.Close()
|
|
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "tls",
|
|
Name: "tls check",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &structs.CheckType{
|
|
HTTP: server.URL,
|
|
Interval: 20 * time.Millisecond,
|
|
TLSSkipVerify: true,
|
|
}
|
|
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
retry.Run(t, func(r *retry.R) {
|
|
status := a.State.Checks()["tls"]
|
|
if status.Status != api.HealthPassing {
|
|
r.Fatalf("bad: %v", status.Status)
|
|
}
|
|
if !strings.Contains(status.Output, "GOOD") {
|
|
r.Fatalf("bad: %v", status.Output)
|
|
}
|
|
})
|
|
|
|
}
|
|
|
|
func TestAgent_HTTPCheck_EnableAgentTLSForChecks(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
run := func(t *testing.T, ca string) {
|
|
a := &TestAgent{
|
|
Name: t.Name(),
|
|
UseTLS: true,
|
|
HCL: `
|
|
enable_agent_tls_for_checks = true
|
|
|
|
verify_incoming = true
|
|
server_name = "consul.test"
|
|
key_file = "../test/client_certs/server.key"
|
|
cert_file = "../test/client_certs/server.crt"
|
|
` + ca,
|
|
}
|
|
a.Start()
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "tls",
|
|
Name: "tls check",
|
|
Status: api.HealthCritical,
|
|
}
|
|
|
|
url := fmt.Sprintf("https://%s/v1/agent/self", a.srv.ln.Addr().String())
|
|
chk := &structs.CheckType{
|
|
HTTP: url,
|
|
Interval: 20 * time.Millisecond,
|
|
}
|
|
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
retry.Run(t, func(r *retry.R) {
|
|
status := a.State.Checks()["tls"]
|
|
if status.Status != api.HealthPassing {
|
|
r.Fatalf("bad: %v", status.Status)
|
|
}
|
|
if !strings.Contains(status.Output, "200 OK") {
|
|
r.Fatalf("bad: %v", status.Output)
|
|
}
|
|
})
|
|
}
|
|
|
|
// We need to test both methods of passing the CA info to ensure that
|
|
// we propagate all the fields correctly. All the other fields are
|
|
// covered by the HCL in the test run function.
|
|
tests := []struct {
|
|
desc string
|
|
config string
|
|
}{
|
|
{"ca_file", `ca_file = "../test/client_certs/rootca.crt"`},
|
|
{"ca_path", `ca_path = "../test/client_certs/path"`},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.desc, func(t *testing.T) {
|
|
run(t, tt.config)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAgent_updateTTLCheck(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &structs.CheckType{
|
|
TTL: 15 * time.Second,
|
|
}
|
|
|
|
// Add check and update it.
|
|
err := a.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if err := a.updateTTLCheck("mem", api.HealthPassing, "foo"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping.
|
|
status := a.State.Checks()["mem"]
|
|
if status.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %v", status)
|
|
}
|
|
if status.Output != "foo" {
|
|
t.Fatalf("bad: %v", status)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PersistService(t *testing.T) {
|
|
t.Parallel()
|
|
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
|
|
cfg := `
|
|
server = false
|
|
bootstrap = false
|
|
data_dir = "` + dataDir + `"
|
|
`
|
|
a := &TestAgent{Name: t.Name(), HCL: cfg, DataDir: dataDir}
|
|
a.Start()
|
|
defer os.RemoveAll(dataDir)
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID))
|
|
|
|
// Check is not persisted unless requested
|
|
if err := a.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should not persist")
|
|
}
|
|
|
|
// Persists to file if requested
|
|
if err := a.AddService(svc, nil, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
expected, err := json.Marshal(persistedService{
|
|
Token: "mytoken",
|
|
Service: svc,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
|
|
// Updates service definition on disk
|
|
svc.Port = 8001
|
|
if err := a.AddService(svc, nil, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
expected, err = json.Marshal(persistedService{
|
|
Token: "mytoken",
|
|
Service: svc,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err = ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
a.Shutdown()
|
|
|
|
// Should load it back during later start
|
|
a2 := &TestAgent{Name: t.Name(), HCL: cfg, DataDir: dataDir}
|
|
a2.Start()
|
|
defer a2.Shutdown()
|
|
|
|
restored := a2.State.ServiceState(svc.ID)
|
|
if restored == nil {
|
|
t.Fatalf("service %q missing", svc.ID)
|
|
}
|
|
if got, want := restored.Token, "mytoken"; got != want {
|
|
t.Fatalf("got token %q want %q", got, want)
|
|
}
|
|
if got, want := restored.Service.Port, 8001; got != want {
|
|
t.Fatalf("got port %d want %d", got, want)
|
|
}
|
|
}
|
|
|
|
func TestAgent_persistedService_compat(t *testing.T) {
|
|
t.Parallel()
|
|
// Tests backwards compatibility of persisted services from pre-0.5.1
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// Encode the NodeService directly. This is what previous versions
|
|
// would serialize to the file (without the wrapper)
|
|
encoded, err := json.Marshal(svc)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Write the content to the file
|
|
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID))
|
|
if err := os.MkdirAll(filepath.Dir(file), 0700); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := ioutil.WriteFile(file, encoded, 0600); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Load the services
|
|
if err := a.loadServices(a.Config); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the service was restored
|
|
services := a.State.Services()
|
|
result, ok := services["redis"]
|
|
if !ok {
|
|
t.Fatalf("missing service")
|
|
}
|
|
if !reflect.DeepEqual(result, svc) {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeService(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID))
|
|
if err := a.AddService(svc, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Not removed
|
|
if err := a.RemoveService(svc.ID, false); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Re-add the service
|
|
if err := a.AddService(svc, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Removed
|
|
if err := a.RemoveService(svc.ID, true); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("bad: %#v", err)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeServiceOnDuplicate(t *testing.T) {
|
|
t.Parallel()
|
|
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
|
|
cfg := `
|
|
data_dir = "` + dataDir + `"
|
|
server = false
|
|
bootstrap = false
|
|
`
|
|
a := &TestAgent{Name: t.Name(), HCL: cfg, DataDir: dataDir}
|
|
a.Start()
|
|
defer a.Shutdown()
|
|
defer os.RemoveAll(dataDir)
|
|
|
|
svc1 := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// First persist the service
|
|
if err := a.AddService(svc1, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
a.Shutdown()
|
|
|
|
// Try bringing the agent back up with the service already
|
|
// existing in the config
|
|
a2 := &TestAgent{Name: t.Name() + "-a2", HCL: cfg + `
|
|
service = {
|
|
id = "redis"
|
|
name = "redis"
|
|
tags = ["bar"]
|
|
port = 9000
|
|
}
|
|
`, DataDir: dataDir}
|
|
a2.Start()
|
|
defer a2.Shutdown()
|
|
|
|
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc1.ID))
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should have removed persisted service")
|
|
}
|
|
result := a2.State.Service("redis")
|
|
if result == nil {
|
|
t.Fatalf("missing service registration")
|
|
}
|
|
if !reflect.DeepEqual(result.Tags, []string{"bar"}) || result.Port != 9000 {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PersistCheck(t *testing.T) {
|
|
t.Parallel()
|
|
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
|
|
cfg := `
|
|
data_dir = "` + dataDir + `"
|
|
server = false
|
|
bootstrap = false
|
|
enable_script_checks = true
|
|
`
|
|
a := &TestAgent{Name: t.Name(), HCL: cfg, DataDir: dataDir}
|
|
a.Start()
|
|
defer os.RemoveAll(dataDir)
|
|
defer a.Shutdown()
|
|
|
|
check := &structs.HealthCheck{
|
|
Node: a.config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthPassing,
|
|
}
|
|
chkType := &structs.CheckType{
|
|
Script: "/bin/true",
|
|
Interval: 10 * time.Second,
|
|
}
|
|
|
|
file := filepath.Join(a.Config.DataDir, checksDir, checkIDHash(check.CheckID))
|
|
|
|
// Not persisted if not requested
|
|
if err := a.AddCheck(check, chkType, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should not persist")
|
|
}
|
|
|
|
// Should persist if requested
|
|
if err := a.AddCheck(check, chkType, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
expected, err := json.Marshal(persistedCheck{
|
|
Check: check,
|
|
ChkType: chkType,
|
|
Token: "mytoken",
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
|
|
// Updates the check definition on disk
|
|
check.Name = "mem1"
|
|
if err := a.AddCheck(check, chkType, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
expected, err = json.Marshal(persistedCheck{
|
|
Check: check,
|
|
ChkType: chkType,
|
|
Token: "mytoken",
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err = ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
a.Shutdown()
|
|
|
|
// Should load it back during later start
|
|
a2 := &TestAgent{Name: t.Name() + "-a2", HCL: cfg, DataDir: dataDir}
|
|
a2.Start()
|
|
defer a2.Shutdown()
|
|
|
|
result := a2.State.Check(check.CheckID)
|
|
if result == nil {
|
|
t.Fatalf("bad: %#v", a2.State.Checks())
|
|
}
|
|
if result.Status != api.HealthCritical {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
if result.Name != "mem1" {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
|
|
// Should have restored the monitor
|
|
if _, ok := a2.checkMonitors[check.CheckID]; !ok {
|
|
t.Fatalf("bad: %#v", a2.checkMonitors)
|
|
}
|
|
if a2.State.CheckState(check.CheckID).Token != "mytoken" {
|
|
t.Fatalf("bad: %s", a2.State.CheckState(check.CheckID).Token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeCheck(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
check := &structs.HealthCheck{
|
|
Node: a.Config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthPassing,
|
|
}
|
|
|
|
file := filepath.Join(a.Config.DataDir, checksDir, checkIDHash(check.CheckID))
|
|
if err := a.AddCheck(check, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Not removed
|
|
if err := a.RemoveCheck(check.CheckID, false); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Removed
|
|
if err := a.RemoveCheck(check.CheckID, true); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("bad: %#v", err)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeCheckOnDuplicate(t *testing.T) {
|
|
t.Parallel()
|
|
nodeID := NodeID()
|
|
dataDir := testutil.TempDir(t, "agent")
|
|
a := NewTestAgent(t.Name(), `
|
|
node_id = "`+nodeID+`"
|
|
node_name = "Node `+nodeID+`"
|
|
data_dir = "`+dataDir+`"
|
|
server = false
|
|
bootstrap = false
|
|
enable_script_checks = true
|
|
`)
|
|
defer os.RemoveAll(dataDir)
|
|
defer a.Shutdown()
|
|
|
|
check1 := &structs.HealthCheck{
|
|
Node: a.Config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthPassing,
|
|
}
|
|
|
|
// First persist the check
|
|
if err := a.AddCheck(check1, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
a.Shutdown()
|
|
|
|
// Start again with the check registered in config
|
|
a2 := NewTestAgent(t.Name()+"-a2", `
|
|
node_id = "`+nodeID+`"
|
|
node_name = "Node `+nodeID+`"
|
|
data_dir = "`+dataDir+`"
|
|
server = false
|
|
bootstrap = false
|
|
enable_script_checks = true
|
|
check = {
|
|
id = "mem"
|
|
name = "memory check"
|
|
notes = "my cool notes"
|
|
script = "/bin/check-redis.py"
|
|
interval = "30s"
|
|
}
|
|
`)
|
|
defer a2.Shutdown()
|
|
|
|
file := filepath.Join(dataDir, checksDir, checkIDHash(check1.CheckID))
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should have removed persisted check")
|
|
}
|
|
result := a2.State.Check("mem")
|
|
if result == nil {
|
|
t.Fatalf("missing check registration")
|
|
}
|
|
expected := &structs.HealthCheck{
|
|
Node: a2.Config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthCritical,
|
|
Notes: "my cool notes",
|
|
}
|
|
if got, want := result, expected; !verify.Values(t, "", got, want) {
|
|
t.FailNow()
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadChecks_token(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
check = {
|
|
id = "rabbitmq"
|
|
name = "rabbitmq"
|
|
token = "abc123"
|
|
ttl = "10s"
|
|
}
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
checks := a.State.Checks()
|
|
if _, ok := checks["rabbitmq"]; !ok {
|
|
t.Fatalf("missing check")
|
|
}
|
|
if token := a.State.CheckToken("rabbitmq"); token != "abc123" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_unloadChecks(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// First register a service
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
if err := a.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Register a check
|
|
check1 := &structs.HealthCheck{
|
|
Node: a.Config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "redis",
|
|
ServiceName: "redis",
|
|
}
|
|
if err := a.AddCheck(check1, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
found := false
|
|
for check := range a.State.Checks() {
|
|
if check == check1.CheckID {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatalf("check should have been registered")
|
|
}
|
|
|
|
// Unload all of the checks
|
|
if err := a.unloadChecks(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Make sure it was unloaded
|
|
for check := range a.State.Checks() {
|
|
if check == check1.CheckID {
|
|
t.Fatalf("should have unloaded checks")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadServices_token(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), `
|
|
service = {
|
|
id = "rabbitmq"
|
|
name = "rabbitmq"
|
|
port = 5672
|
|
token = "abc123"
|
|
}
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
services := a.State.Services()
|
|
if _, ok := services["rabbitmq"]; !ok {
|
|
t.Fatalf("missing service")
|
|
}
|
|
if token := a.State.ServiceToken("rabbitmq"); token != "abc123" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_unloadServices(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// Register the service
|
|
if err := a.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
found := false
|
|
for id := range a.State.Services() {
|
|
if id == svc.ID {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatalf("should have registered service")
|
|
}
|
|
|
|
// Unload all services
|
|
if err := a.unloadServices(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if len(a.State.Services()) != 0 {
|
|
t.Fatalf("should have unloaded services")
|
|
}
|
|
}
|
|
|
|
func TestAgent_Service_MaintenanceMode(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// Register the service
|
|
if err := a.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Enter maintenance mode for the service
|
|
if err := a.EnableServiceMaintenance("redis", "broken", "mytoken"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Make sure the critical health check was added
|
|
checkID := serviceMaintCheckID("redis")
|
|
check, ok := a.State.Checks()[checkID]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical maintenance check")
|
|
}
|
|
|
|
// Check that the token was used to register the check
|
|
if token := a.State.CheckToken(checkID); token != "mytoken" {
|
|
t.Fatalf("expected 'mytoken', got: '%s'", token)
|
|
}
|
|
|
|
// Ensure the reason was set in notes
|
|
if check.Notes != "broken" {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
|
|
// Leave maintenance mode
|
|
if err := a.DisableServiceMaintenance("redis"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the check was deregistered
|
|
if _, ok := a.State.Checks()[checkID]; ok {
|
|
t.Fatalf("should have deregistered maintenance check")
|
|
}
|
|
|
|
// Enter service maintenance mode without providing a reason
|
|
if err := a.EnableServiceMaintenance("redis", "", ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the check was registered with the default notes
|
|
check, ok = a.State.Checks()[checkID]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical check")
|
|
}
|
|
if check.Notes != defaultServiceMaintReason {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
}
|
|
|
|
func TestAgent_Service_Reap(t *testing.T) {
|
|
// t.Parallel() // timing test. no parallel
|
|
a := NewTestAgent(t.Name(), `
|
|
check_reap_interval = "50ms"
|
|
check_deregister_interval_min = "0s"
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
chkTypes := []*structs.CheckType{
|
|
&structs.CheckType{
|
|
Status: api.HealthPassing,
|
|
TTL: 25 * time.Millisecond,
|
|
DeregisterCriticalServiceAfter: 200 * time.Millisecond,
|
|
},
|
|
}
|
|
|
|
// Register the service.
|
|
if err := a.AddService(svc, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Make sure it's there and there's no critical check yet.
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
|
|
// Wait for the check TTL to fail but before the check is reaped.
|
|
time.Sleep(100 * time.Millisecond)
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
|
|
// Pass the TTL.
|
|
if err := a.updateTTLCheck("service:redis", api.HealthPassing, "foo"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
|
|
// Wait for the check TTL to fail again.
|
|
time.Sleep(100 * time.Millisecond)
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
|
|
// Wait for the reap.
|
|
time.Sleep(400 * time.Millisecond)
|
|
if _, ok := a.State.Services()["redis"]; ok {
|
|
t.Fatalf("redis service should have been reaped")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
}
|
|
|
|
func TestAgent_Service_NoReap(t *testing.T) {
|
|
// t.Parallel() // timing test. no parallel
|
|
a := NewTestAgent(t.Name(), `
|
|
check_reap_interval = "50ms"
|
|
check_deregister_interval_min = "0s"
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
chkTypes := []*structs.CheckType{
|
|
&structs.CheckType{
|
|
Status: api.HealthPassing,
|
|
TTL: 25 * time.Millisecond,
|
|
},
|
|
}
|
|
|
|
// Register the service.
|
|
if err := a.AddService(svc, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Make sure it's there and there's no critical check yet.
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
|
|
// Wait for the check TTL to fail.
|
|
time.Sleep(200 * time.Millisecond)
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
|
|
// Wait a while and make sure it doesn't reap.
|
|
time.Sleep(200 * time.Millisecond)
|
|
if _, ok := a.State.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := a.State.CriticalCheckStates(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
}
|
|
|
|
func TestAgent_addCheck_restoresSnapshot(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// First register a service
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
if err := a.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Register a check
|
|
check1 := &structs.HealthCheck{
|
|
Node: a.Config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "redis",
|
|
ServiceName: "redis",
|
|
}
|
|
if err := a.AddCheck(check1, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Re-registering the service preserves the state of the check
|
|
chkTypes := []*structs.CheckType{&structs.CheckType{TTL: 30 * time.Second}}
|
|
if err := a.AddService(svc, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
check, ok := a.State.Checks()["service:redis"]
|
|
if !ok {
|
|
t.Fatalf("missing check")
|
|
}
|
|
if check.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %s", check.Status)
|
|
}
|
|
}
|
|
|
|
func TestAgent_NodeMaintenanceMode(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// Enter maintenance mode for the node
|
|
a.EnableNodeMaintenance("broken", "mytoken")
|
|
|
|
// Make sure the critical health check was added
|
|
check, ok := a.State.Checks()[structs.NodeMaint]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical node check")
|
|
}
|
|
|
|
// Check that the token was used to register the check
|
|
if token := a.State.CheckToken(structs.NodeMaint); token != "mytoken" {
|
|
t.Fatalf("expected 'mytoken', got: '%s'", token)
|
|
}
|
|
|
|
// Ensure the reason was set in notes
|
|
if check.Notes != "broken" {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
|
|
// Leave maintenance mode
|
|
a.DisableNodeMaintenance()
|
|
|
|
// Ensure the check was deregistered
|
|
if _, ok := a.State.Checks()[structs.NodeMaint]; ok {
|
|
t.Fatalf("should have deregistered critical node check")
|
|
}
|
|
|
|
// Enter maintenance mode without passing a reason
|
|
a.EnableNodeMaintenance("", "")
|
|
|
|
// Make sure the check was registered with the default note
|
|
check, ok = a.State.Checks()[structs.NodeMaint]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical node check")
|
|
}
|
|
if check.Notes != defaultNodeMaintReason {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
}
|
|
|
|
func TestAgent_checkStateSnapshot(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// First register a service
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
if err := a.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Register a check
|
|
check1 := &structs.HealthCheck{
|
|
Node: a.Config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "redis",
|
|
ServiceName: "redis",
|
|
}
|
|
if err := a.AddCheck(check1, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Snapshot the state
|
|
snap := a.snapshotCheckState()
|
|
|
|
// Unload all of the checks
|
|
if err := a.unloadChecks(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Reload the checks
|
|
if err := a.loadChecks(a.Config); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Restore the state
|
|
a.restoreCheckState(snap)
|
|
|
|
// Search for the check
|
|
out, ok := a.State.Checks()[check1.CheckID]
|
|
if !ok {
|
|
t.Fatalf("check should have been registered")
|
|
}
|
|
|
|
// Make sure state was restored
|
|
if out.Status != api.HealthPassing {
|
|
t.Fatalf("should have restored check state")
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadChecks_checkFails(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// Persist a health check with an invalid service ID
|
|
check := &structs.HealthCheck{
|
|
Node: a.Config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "nope",
|
|
}
|
|
if err := a.persistCheck(check, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Check to make sure the check was persisted
|
|
checkHash := checkIDHash(check.CheckID)
|
|
checkPath := filepath.Join(a.Config.DataDir, checksDir, checkHash)
|
|
if _, err := os.Stat(checkPath); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Try loading the checks from the persisted files
|
|
if err := a.loadChecks(a.Config); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the erroneous check was purged
|
|
if _, err := os.Stat(checkPath); err == nil {
|
|
t.Fatalf("should have purged check")
|
|
}
|
|
}
|
|
|
|
func TestAgent_persistCheckState(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// Create the TTL check to persist
|
|
check := &checks.CheckTTL{
|
|
CheckID: "check1",
|
|
TTL: 10 * time.Minute,
|
|
}
|
|
|
|
// Persist some check state for the check
|
|
err := a.persistCheckState(check, api.HealthCritical, "nope")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Check the persisted file exists and has the content
|
|
file := filepath.Join(a.Config.DataDir, checkStateDir, stringHash("check1"))
|
|
buf, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Decode the state
|
|
var p persistedCheckState
|
|
if err := json.Unmarshal(buf, &p); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Check the fields
|
|
if p.CheckID != "check1" {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
if p.Output != "nope" {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
if p.Status != api.HealthCritical {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
|
|
// Check the expiration time was set
|
|
if p.Expires < time.Now().Unix() {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadCheckState(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// Create a check whose state will expire immediately
|
|
check := &checks.CheckTTL{
|
|
CheckID: "check1",
|
|
TTL: 0,
|
|
}
|
|
|
|
// Persist the check state
|
|
err := a.persistCheckState(check, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Try to load the state
|
|
health := &structs.HealthCheck{
|
|
CheckID: "check1",
|
|
Status: api.HealthCritical,
|
|
}
|
|
if err := a.loadCheckState(health); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Should not have restored the status due to expiration
|
|
if health.Status != api.HealthCritical {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
if health.Output != "" {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
|
|
// Should have purged the state
|
|
file := filepath.Join(a.Config.DataDir, checksDir, stringHash("check1"))
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("should have purged state")
|
|
}
|
|
|
|
// Set a TTL which will not expire before we check it
|
|
check.TTL = time.Minute
|
|
err = a.persistCheckState(check, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Try to load
|
|
if err := a.loadCheckState(health); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Should have restored
|
|
if health.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
if health.Output != "yup" {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
}
|
|
|
|
func TestAgent_purgeCheckState(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// No error if the state does not exist
|
|
if err := a.purgeCheckState("check1"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Persist some state to the data dir
|
|
check := &checks.CheckTTL{
|
|
CheckID: "check1",
|
|
TTL: time.Minute,
|
|
}
|
|
err := a.persistCheckState(check, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Purge the check state
|
|
if err := a.purgeCheckState("check1"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Removed the file
|
|
file := filepath.Join(a.Config.DataDir, checkStateDir, stringHash("check1"))
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("should have removed file")
|
|
}
|
|
}
|
|
|
|
func TestAgent_GetCoordinate(t *testing.T) {
|
|
t.Parallel()
|
|
check := func(server bool) {
|
|
a := NewTestAgent(t.Name(), `
|
|
server = true
|
|
`)
|
|
defer a.Shutdown()
|
|
|
|
// This doesn't verify the returned coordinate, but it makes
|
|
// sure that the agent chooses the correct Serf instance,
|
|
// depending on how it's configured as a client or a server.
|
|
// If it chooses the wrong one, this will crash.
|
|
if _, err := a.GetLANCoordinate(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
}
|
|
|
|
check(true)
|
|
check(false)
|
|
}
|
|
|
|
func TestAgent_reloadWatches(t *testing.T) {
|
|
t.Parallel()
|
|
a := NewTestAgent(t.Name(), "")
|
|
defer a.Shutdown()
|
|
|
|
// Normal watch with http addr set, should succeed
|
|
newConf := *a.config
|
|
newConf.Watches = []map[string]interface{}{
|
|
{
|
|
"type": "key",
|
|
"key": "asdf",
|
|
"args": []interface{}{"ls"},
|
|
},
|
|
}
|
|
if err := a.reloadWatches(&newConf); err != nil {
|
|
t.Fatalf("bad: %s", err)
|
|
}
|
|
|
|
// Should still succeed with only HTTPS addresses
|
|
newConf.HTTPSAddrs = newConf.HTTPAddrs
|
|
newConf.HTTPAddrs = make([]net.Addr, 0)
|
|
newConf.Watches = []map[string]interface{}{
|
|
{
|
|
"type": "key",
|
|
"key": "asdf",
|
|
"args": []interface{}{"ls"},
|
|
},
|
|
}
|
|
if err := a.reloadWatches(&newConf); err != nil {
|
|
t.Fatalf("bad: %s", err)
|
|
}
|
|
|
|
// Should fail to reload with no http or https addrs
|
|
newConf.HTTPSAddrs = make([]net.Addr, 0)
|
|
newConf.Watches = []map[string]interface{}{
|
|
{
|
|
"type": "key",
|
|
"key": "asdf",
|
|
"args": []interface{}{"ls"},
|
|
},
|
|
}
|
|
if err := a.reloadWatches(&newConf); err == nil || !strings.Contains(err.Error(), "watch plans require an HTTP or HTTPS endpoint") {
|
|
t.Fatalf("bad: %s", err)
|
|
}
|
|
}
|