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consul/command/connect/envoy/envoy_test.go

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package envoy
import (
"encoding/json"
"flag"
"github.com/hashicorp/consul/agent"
"github.com/hashicorp/consul/agent/xds"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/mitchellh/cli"
"github.com/stretchr/testify/require"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"strings"
"testing"
)
var update = flag.Bool("update", false, "update golden files")
func TestEnvoyCommand_noTabs(t *testing.T) {
t.Parallel()
if strings.ContainsRune(New(nil).Help(), '\t') {
t.Fatal("help has tabs")
}
}
func TestEnvoyGateway_Validation(t *testing.T) {
t.Parallel()
cases := []struct {
name string
args []string
output string
}{
{
"-register for non-gateway",
[]string{"-register"},
"Auto-Registration can only be used for gateways",
},
{
"-mesh-gateway and -gateway cannot be combined",
[]string{"-register", "-mesh-gateway", "-gateway", "mesh"},
"The mesh-gateway flag is deprecated and cannot be used alongside the gateway flag",
},
{
"no proxy registration specified nor discovered",
[]string{""},
"No proxy ID specified",
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
ui := cli.NewMockUi()
c := New(ui)
c.init()
code := c.Run(tc.args)
if code == 0 {
t.Errorf("%s: expected non-zero exit", tc.name)
}
output := ui.ErrorWriter.String()
if !strings.Contains(output, tc.output) {
t.Errorf("expected %q to contain %q", output, tc.output)
}
})
}
}
// testSetAndResetEnv sets the env vars passed as KEY=value strings in the
// current ENV and returns a func() that will undo it's work at the end of the
// test for use with defer.
func testSetAndResetEnv(t *testing.T, env []string) func() {
old := make(map[string]*string)
for _, e := range env {
pair := strings.SplitN(e, "=", 2)
current := os.Getenv(pair[0])
if current != "" {
old[pair[0]] = &current
} else {
// save it as a nil so we know to remove again
old[pair[0]] = nil
}
os.Setenv(pair[0], pair[1])
}
// Return a func that will reset to old values
return func() {
for k, v := range old {
if v == nil {
os.Unsetenv(k)
} else {
os.Setenv(k, *v)
}
}
}
}
// This tests the args we use to generate the template directly because they
// encapsulate all the argument and default handling code which is where most of
// the logic is. We also allow generating golden files but only for cases that
// pass the test of having their template args generated as expected.
func TestGenerateConfig(t *testing.T) {
cases := []struct {
Name string
Flags []string
Env []string
Files map[string]string
ProxyConfig map[string]interface{}
GRPCPort int // only used for testing custom-configured grpc port
WantArgs BootstrapTplArgs
WantErr string
}{
{
Name: "no-args",
Flags: []string{},
Env: []string{},
WantErr: "No proxy ID specified",
},
{
Name: "defaults",
Flags: []string{"-proxy-id", "test-proxy"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502", // Note this is the gRPC port
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "token-arg",
Flags: []string{"-proxy-id", "test-proxy",
"-token", "c9a52720-bf6c-4aa6-b8bc-66881a5ade95"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502", // Note this is the gRPC port
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
Token: "c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
},
{
Name: "token-env",
Flags: []string{"-proxy-id", "test-proxy"},
Env: []string{
"CONSUL_HTTP_TOKEN=c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502", // Note this is the gRPC port
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
Token: "c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
},
{
Name: "token-file-arg",
Flags: []string{"-proxy-id", "test-proxy",
"-token-file", "@@TEMPDIR@@token.txt",
},
Files: map[string]string{
"token.txt": "c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502", // Note this is the gRPC port
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
Token: "c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
},
{
Name: "token-file-env",
Flags: []string{"-proxy-id", "test-proxy"},
Env: []string{
"CONSUL_HTTP_TOKEN_FILE=@@TEMPDIR@@token.txt",
},
Files: map[string]string{
"token.txt": "c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502", // Note this is the gRPC port
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
Token: "c9a52720-bf6c-4aa6-b8bc-66881a5ade95",
},
},
{
Name: "grpc-addr-flag",
Flags: []string{"-proxy-id", "test-proxy",
"-grpc-addr", "localhost:9999"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "9999",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "grpc-addr-env",
Flags: []string{"-proxy-id", "test-proxy"},
Env: []string{
"CONSUL_GRPC_ADDR=localhost:9999",
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "9999",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "grpc-addr-unix",
Flags: []string{"-proxy-id", "test-proxy",
"-grpc-addr", "unix:///var/run/consul.sock"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentSocket: "/var/run/consul.sock",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "grpc-addr-config",
Flags: []string{"-proxy-id", "test-proxy"},
GRPCPort: 9999,
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "9999",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "access-log-path",
Flags: []string{"-proxy-id", "test-proxy", "-admin-access-log-path", "/some/path/access.log"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
AdminAccessLogPath: "/some/path/access.log",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "missing-ca-file",
Flags: []string{"-proxy-id", "test-proxy", "-ca-file", "some/path"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
},
WantErr: "Error loading CA File: open some/path: no such file or directory",
},
{
Name: "existing-ca-file",
Flags: []string{"-proxy-id", "test-proxy", "-ca-file", "../../../test/ca/root.cer"},
Env: []string{"CONSUL_HTTP_SSL=1"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
AgentTLS: true,
},
AgentCAPEM: `-----BEGIN CERTIFICATE-----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\nwlW975rYa1ZqEdA=\n-----END CERTIFICATE-----\n`,
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "custom-bootstrap",
Flags: []string{"-proxy-id", "test-proxy"},
ProxyConfig: map[string]interface{}{
// Add a completely custom bootstrap template. Never mind if this is
// invalid envoy config just as long as it works and gets the variables
// interplated.
"envoy_bootstrap_json_tpl": `
{
"admin": {
"access_log_path": "/dev/null",
"address": {
"socket_address": {
"address": "{{ .AdminBindAddress }}",
"port_value": {{ .AdminBindPort }}
}
}
},
"node": {
"cluster": "{{ .ProxyCluster }}",
"id": "{{ .ProxyID }}"
},
"custom_field": "foo"
}`,
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "extra_-single",
Flags: []string{"-proxy-id", "test-proxy"},
ProxyConfig: map[string]interface{}{
// Add a custom sections with interpolated variables. These are all
// invalid config syntax too but we are just testing they have the right
// effect.
"envoy_extra_static_clusters_json": `
{
"name": "fake_cluster_1"
}`,
"envoy_extra_static_listeners_json": `
{
"name": "fake_listener_1"
}`,
"envoy_extra_stats_sinks_json": `
{
"name": "fake_sink_1"
}`,
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "extra_-multiple",
Flags: []string{"-proxy-id", "test-proxy"},
ProxyConfig: map[string]interface{}{
// Add a custom sections with interpolated variables. These are all
// invalid config syntax too but we are just testing they have the right
// effect.
"envoy_extra_static_clusters_json": `
{
"name": "fake_cluster_1"
},
{
"name": "fake_cluster_2"
}`,
"envoy_extra_static_listeners_json": `
{
"name": "fake_listener_1"
},{
"name": "fake_listener_2"
}`,
"envoy_extra_stats_sinks_json": `
{
"name": "fake_sink_1"
} , { "name": "fake_sink_2" }`,
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "stats-config-override",
Flags: []string{"-proxy-id", "test-proxy"},
ProxyConfig: map[string]interface{}{
// Add a custom sections with interpolated variables. These are all
// invalid config syntax too but we are just testing they have the right
// effect.
"envoy_stats_config_json": `
{
"name": "fake_config"
}`,
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "zipkin-tracing-config",
Flags: []string{"-proxy-id", "test-proxy"},
ProxyConfig: map[string]interface{}{
// Add a custom sections with interpolated variables. These are all
// invalid config syntax too but we are just testing they have the right
// effect.
"envoy_tracing_json": `{
"http": {
"name": "envoy.zipkin",
"config": {
"collector_cluster": "zipkin",
"collector_endpoint": "/api/v1/spans"
}
}
}`,
// Need to setup the cluster to send that too as well
"envoy_extra_static_clusters_json": `{
"name": "zipkin",
"type": "STRICT_DNS",
"connect_timeout": "5s",
"load_assignment": {
"cluster_name": "zipkin",
"endpoints": [
{
"lb_endpoints": [
{
"endpoint": {
"address": {
"socket_address": {
"address": "zipkin.service.consul",
"port_value": 9411
}
}
}
}
]
}
]
}
}`,
},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
{
Name: "CONSUL_HTTP_ADDR-with-https-scheme-enables-tls",
Flags: []string{"-proxy-id", "test-proxy"},
Env: []string{"CONSUL_HTTP_ADDR=https://127.0.0.1:8888"},
WantArgs: BootstrapTplArgs{
EnvoyVersion: defaultEnvoyVersion,
ProxyCluster: "test-proxy",
ProxyID: "test-proxy",
// Should resolve IP, note this might not resolve the same way
// everywhere which might make this test brittle but not sure what else
// to do.
GRPC: GRPC{
AgentAddress: "127.0.0.1",
AgentPort: "8502",
AgentTLS: true,
},
AdminAccessLogPath: "/dev/null",
AdminBindAddress: "127.0.0.1",
AdminBindPort: "19000",
LocalAgentClusterName: xds.LocalAgentClusterName,
},
},
}
copyAndReplaceAll := func(s []string, old, new string) []string {
out := make([]string, len(s))
for i, v := range s {
out[i] = strings.ReplaceAll(v, old, new)
}
return out
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
require := require.New(t)
testDir := testutil.TempDir(t, "envoytest")
defer os.RemoveAll(testDir)
if len(tc.Files) > 0 {
for fn, fv := range tc.Files {
fullname := filepath.Join(testDir, fn)
require.NoError(ioutil.WriteFile(fullname, []byte(fv), 0600))
}
}
// Run a mock agent API that just always returns the proxy config in the
// test.
srv := httptest.NewServer(testMockAgent(tc.ProxyConfig, tc.GRPCPort))
defer srv.Close()
client, err := api.NewClient(&api.Config{Address: srv.URL})
require.NoError(err)
testDirPrefix := testDir + string(filepath.Separator)
myEnv := copyAndReplaceAll(tc.Env, "@@TEMPDIR@@", testDirPrefix)
defer testSetAndResetEnv(t, myEnv)()
ui := cli.NewMockUi()
c := New(ui)
// explicitly set the client to one which can connect to the httptest.Server
c.client = client
// Run the command
myFlags := copyAndReplaceAll(tc.Flags, "@@TEMPDIR@@", testDirPrefix)
args := append([]string{"-bootstrap"}, myFlags...)
require.NoError(c.flags.Parse(args))
code := c.run(c.flags.Args())
if tc.WantErr == "" {
require.Equal(0, code, ui.ErrorWriter.String())
} else {
require.Equal(1, code, ui.ErrorWriter.String())
require.Contains(ui.ErrorWriter.String(), tc.WantErr)
return
}
// Verify we handled the env and flags right first to get correct template
// args.
got, err := c.templateArgs()
require.NoError(err) // Error cases should have returned above
require.Equal(&tc.WantArgs, got)
// Actual template output goes to stdout direct to avoid prefix in UI, so
// generate it again here to assert on.
actual, err := c.generateConfig()
require.NoError(err)
// If we got the arg handling write, verify output
golden := filepath.Join("testdata", tc.Name+".golden")
if *update {
ioutil.WriteFile(golden, actual, 0644)
}
expected, err := ioutil.ReadFile(golden)
require.NoError(err)
require.Equal(string(expected), string(actual))
})
}
}
// testMockAgent combines testMockAgentProxyConfig and testMockAgentSelf,
// routing /agent/service/... requests to testMockAgentProxyConfig and
// routing /agent/self requests to testMockAgentSelf.
func testMockAgent(agentCfg map[string]interface{}, grpcPort int) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.Contains(r.URL.Path, "/agent/service") {
testMockAgentProxyConfig(agentCfg)(w, r)
return
}
if strings.Contains(r.URL.Path, "/agent/self") {
testMockAgentSelf(grpcPort)(w, r)
return
}
http.NotFound(w, r)
})
}
func testMockAgentProxyConfig(cfg map[string]interface{}) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Parse the proxy-id from the end of the URL (blindly assuming it's correct
// format)
proxyID := strings.TrimPrefix(r.URL.Path, "/v1/agent/service/")
serviceID := strings.TrimSuffix(proxyID, "-sidecar-proxy")
svc := api.AgentService{
Kind: api.ServiceKindConnectProxy,
ID: proxyID,
Service: proxyID,
Proxy: &api.AgentServiceConnectProxyConfig{
DestinationServiceName: serviceID,
DestinationServiceID: serviceID,
Config: cfg,
},
}
cfgJSON, err := json.Marshal(svc)
if err != nil {
w.WriteHeader(500)
w.Write([]byte(err.Error()))
return
}
w.Write(cfgJSON)
})
}
func TestEnvoyCommand_canBindInternal(t *testing.T) {
t.Parallel()
type testCheck struct {
expected bool
addr string
}
type testCase struct {
ifAddrs []net.Addr
checks map[string]testCheck
}
parseIPNets := func(t *testing.T, in ...string) []net.Addr {
var out []net.Addr
for _, addr := range in {
ip := net.ParseIP(addr)
require.NotNil(t, ip)
out = append(out, &net.IPNet{IP: ip})
}
return out
}
parseIPs := func(t *testing.T, in ...string) []net.Addr {
var out []net.Addr
for _, addr := range in {
ip := net.ParseIP(addr)
require.NotNil(t, ip)
out = append(out, &net.IPAddr{IP: ip})
}
return out
}
cases := map[string]testCase{
"IPNet": {
parseIPNets(t, "10.3.0.2", "198.18.0.1", "2001:db8:a0b:12f0::1"),
map[string]testCheck{
"ipv4": {
true,
"10.3.0.2",
},
"secondary ipv4": {
true,
"198.18.0.1",
},
"ipv6": {
true,
"2001:db8:a0b:12f0::1",
},
"ipv4 not found": {
false,
"1.2.3.4",
},
"ipv6 not found": {
false,
"::ffff:192.168.0.1",
},
},
},
"IPAddr": {
parseIPs(t, "10.3.0.2", "198.18.0.1", "2001:db8:a0b:12f0::1"),
map[string]testCheck{
"ipv4": {
true,
"10.3.0.2",
},
"secondary ipv4": {
true,
"198.18.0.1",
},
"ipv6": {
true,
"2001:db8:a0b:12f0::1",
},
"ipv4 not found": {
false,
"1.2.3.4",
},
"ipv6 not found": {
false,
"::ffff:192.168.0.1",
},
},
},
}
for name, tcase := range cases {
t.Run(name, func(t *testing.T) {
for checkName, check := range tcase.checks {
t.Run(checkName, func(t *testing.T) {
require.Equal(t, check.expected, canBindInternal(check.addr, tcase.ifAddrs))
})
}
})
}
}
// testMockAgentSelf returns an empty /v1/agent/self response except GRPC
// port is filled in to match the given wantGRPCPort argument.
func testMockAgentSelf(wantGRPCPort int) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
resp := agent.Self{
DebugConfig: map[string]interface{}{
"GRPCPort": wantGRPCPort,
},
}
selfJSON, err := json.Marshal(resp)
if err != nil {
w.WriteHeader(500)
w.Write([]byte(err.Error()))
return
}
w.Write(selfJSON)
})
}
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