108 lines
3.4 KiB
Go
108 lines
3.4 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package kuberuntime
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
|
|
func randStringBytes(n int) string {
|
|
b := make([]byte, n)
|
|
for i := range b {
|
|
b[i] = letterBytes[rand.Intn(len(letterBytes))]
|
|
}
|
|
return string(b)
|
|
}
|
|
|
|
func TestLogSymLink(t *testing.T) {
|
|
as := assert.New(t)
|
|
containerLogsDir := "/foo/bar"
|
|
podFullName := randStringBytes(128)
|
|
containerName := randStringBytes(70)
|
|
containerID := randStringBytes(80)
|
|
// The file name cannot exceed 255 characters. Since .log suffix is required, the prefix cannot exceed 251 characters.
|
|
expectedPath := filepath.Join(containerLogsDir, fmt.Sprintf("%s_%s-%s", podFullName, containerName, containerID)[:251]+".log")
|
|
as.Equal(expectedPath, logSymlink(containerLogsDir, podFullName, containerName, containerID))
|
|
}
|
|
|
|
func TestLegacyLogSymLink(t *testing.T) {
|
|
as := assert.New(t)
|
|
containerID := randStringBytes(80)
|
|
containerName := randStringBytes(70)
|
|
podName := randStringBytes(128)
|
|
podNamespace := randStringBytes(10)
|
|
// The file name cannot exceed 255 characters. Since .log suffix is required, the prefix cannot exceed 251 characters.
|
|
expectedPath := filepath.Join(legacyContainerLogsDir, fmt.Sprintf("%s_%s_%s-%s", podName, podNamespace, containerName, containerID)[:251]+".log")
|
|
as.Equal(expectedPath, legacyLogSymlink(containerID, containerName, podName, podNamespace))
|
|
}
|
|
|
|
func TestGetContainerIDFromLegacyLogSymLink(t *testing.T) {
|
|
containerID := randStringBytes(80)
|
|
containerName := randStringBytes(70)
|
|
podName := randStringBytes(128)
|
|
podNamespace := randStringBytes(10)
|
|
|
|
for _, test := range []struct {
|
|
name string
|
|
logSymLink string
|
|
expected string
|
|
shouldError bool
|
|
}{
|
|
{
|
|
name: "unable to find separator",
|
|
logSymLink: "dummy.log",
|
|
expected: "",
|
|
shouldError: true,
|
|
},
|
|
{
|
|
name: "invalid suffix",
|
|
logSymLink: filepath.Join(legacyContainerLogsDir, fmt.Sprintf("%s_%s_%s-%s", podName, podNamespace, containerName, containerID)[:251]+".invalidsuffix"),
|
|
expected: "",
|
|
shouldError: true,
|
|
},
|
|
{
|
|
name: "container ID too short",
|
|
logSymLink: filepath.Join(legacyContainerLogsDir, fmt.Sprintf("%s_%s_%s-%s", podName, podNamespace, containerName, containerID[:5])+".log"),
|
|
expected: "",
|
|
shouldError: true,
|
|
},
|
|
{
|
|
name: "valid path",
|
|
logSymLink: filepath.Join(legacyContainerLogsDir, fmt.Sprintf("%s_%s_%s-%s", podName, podNamespace, containerName, containerID)[:251]+".log"),
|
|
expected: containerID[:40],
|
|
shouldError: false,
|
|
},
|
|
} {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
containerID, err := getContainerIDFromLegacyLogSymlink(test.logSymLink)
|
|
if test.shouldError {
|
|
assert.Error(t, err)
|
|
} else {
|
|
assert.NoError(t, err)
|
|
}
|
|
assert.Equal(t, test.expected, containerID)
|
|
})
|
|
}
|
|
}
|