mirror of https://github.com/k3s-io/k3s
117 lines
3.5 KiB
Go
117 lines
3.5 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package health
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import (
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"net"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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)
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func TestGetTCPAddrParts(t *testing.T) {
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testCases := []struct {
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probe *api.TCPSocketProbe
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ok bool
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host string
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port int
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}{
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromInt(-1)}, false, "", -1},
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromString("")}, false, "", -1},
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromString("-1")}, false, "", -1},
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromString("not-found")}, false, "", -1},
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromString("found")}, true, "1.2.3.4", 93},
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromInt(76)}, true, "1.2.3.4", 76},
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{&api.TCPSocketProbe{Port: util.MakeIntOrStringFromString("118")}, true, "1.2.3.4", 118},
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}
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for _, test := range testCases {
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state := api.PodState{PodIP: "1.2.3.4"}
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container := api.Container{
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Ports: []api.Port{{Name: "found", HostPort: 93}},
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LivenessProbe: &api.LivenessProbe{
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TCPSocket: test.probe,
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Type: "tcp",
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},
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}
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host, port, err := getTCPAddrParts(state, container)
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if !test.ok && err == nil {
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t.Errorf("Expected error for %+v, got %s:%d", test, host, port)
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}
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if test.ok && err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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if test.ok {
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if host != test.host || port != test.port {
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t.Errorf("Expected %s:%d, got %s:%d", test.host, test.port, host, port)
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}
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}
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}
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}
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func TestTcpHealthChecker(t *testing.T) {
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tests := []struct {
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probe *api.TCPSocketProbe
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expectedStatus Status
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expectError bool
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}{
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// The probe will be filled in below. This is primarily testing that a connection is made.
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{&api.TCPSocketProbe{}, Healthy, false},
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{&api.TCPSocketProbe{}, Unhealthy, false},
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{nil, Unknown, true},
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}
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checker := &TCPHealthChecker{}
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}))
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u, err := url.Parse(server.URL)
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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host, port, err := net.SplitHostPort(u.Host)
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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for _, test := range tests {
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container := api.Container{
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LivenessProbe: &api.LivenessProbe{
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TCPSocket: test.probe,
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Type: "tcp",
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},
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}
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params := container.LivenessProbe.TCPSocket
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if params != nil && test.expectedStatus == Healthy {
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params.Port = util.MakeIntOrStringFromString(port)
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}
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status, err := checker.HealthCheck(api.PodState{PodIP: host}, container)
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if status != test.expectedStatus {
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t.Errorf("expected: %v, got: %v", test.expectedStatus, status)
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}
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if err != nil && !test.expectError {
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t.Errorf("unexpected error: %#v", err)
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}
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if err == nil && test.expectError {
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t.Errorf("unexpected non-error.")
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}
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}
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}
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