1005 lines
31 KiB
Go
1005 lines
31 KiB
Go
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/*
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Copyright 2014 The Kubernetes Authors.
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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 dockertools
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import (
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"encoding/json"
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"fmt"
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"hash/adler32"
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"math/rand"
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"path"
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"reflect"
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"sort"
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"strconv"
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"strings"
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"testing"
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"github.com/docker/docker/pkg/jsonmessage"
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dockertypes "github.com/docker/engine-api/types"
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dockernat "github.com/docker/go-connections/nat"
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cadvisorapi "github.com/google/cadvisor/info/v1"
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"github.com/stretchr/testify/assert"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/apis/componentconfig"
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"k8s.io/kubernetes/pkg/client/record"
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"k8s.io/kubernetes/pkg/credentialprovider"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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containertest "k8s.io/kubernetes/pkg/kubelet/container/testing"
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"k8s.io/kubernetes/pkg/kubelet/images"
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"k8s.io/kubernetes/pkg/kubelet/network"
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nettest "k8s.io/kubernetes/pkg/kubelet/network/testing"
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hashutil "k8s.io/kubernetes/pkg/util/hash"
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)
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func verifyCalls(t *testing.T, fakeDocker *FakeDockerClient, calls []string) {
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assert.New(t).NoError(fakeDocker.AssertCalls(calls))
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}
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func verifyStringArrayEquals(t *testing.T, actual, expected []string) {
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invalid := len(actual) != len(expected)
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if !invalid {
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for ix, value := range actual {
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if expected[ix] != value {
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invalid = true
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}
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}
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}
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if invalid {
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t.Errorf("Expected: %#v, Actual: %#v", expected, actual)
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}
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}
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func findPodContainer(dockerContainers []*dockertypes.Container, podFullName string, uid types.UID, containerName string) (*dockertypes.Container, bool, uint64) {
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for _, dockerContainer := range dockerContainers {
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if len(dockerContainer.Names) == 0 {
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continue
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}
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dockerName, hash, err := ParseDockerName(dockerContainer.Names[0])
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if err != nil {
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continue
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}
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if dockerName.PodFullName == podFullName &&
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(uid == "" || dockerName.PodUID == uid) &&
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dockerName.ContainerName == containerName {
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return dockerContainer, true, hash
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}
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}
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return nil, false, 0
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}
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func TestGetContainerID(t *testing.T) {
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fakeDocker := NewFakeDockerClient()
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fakeDocker.SetFakeRunningContainers([]*FakeContainer{
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{
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ID: "foobar",
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Name: "/k8s_foo_qux_ns_1234_42",
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},
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{
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ID: "barbar",
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Name: "/k8s_bar_qux_ns_2565_42",
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},
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})
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dockerContainers, err := GetKubeletDockerContainers(fakeDocker, false)
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if err != nil {
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t.Errorf("Expected no error, Got %#v", err)
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}
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if len(dockerContainers) != 2 {
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t.Errorf("Expected %#v, Got %#v", fakeDocker.RunningContainerList, dockerContainers)
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}
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verifyCalls(t, fakeDocker, []string{"list"})
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dockerContainer, found, _ := findPodContainer(dockerContainers, "qux_ns", "", "foo")
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if dockerContainer == nil || !found {
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t.Errorf("Failed to find container %#v", dockerContainer)
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}
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fakeDocker.ClearCalls()
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dockerContainer, found, _ = findPodContainer(dockerContainers, "foobar", "", "foo")
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verifyCalls(t, fakeDocker, []string{})
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if dockerContainer != nil || found {
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t.Errorf("Should not have found container %#v", dockerContainer)
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}
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}
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func verifyPackUnpack(t *testing.T, podNamespace, podUID, podName, containerName string) {
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container := &v1.Container{Name: containerName}
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hasher := adler32.New()
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hashutil.DeepHashObject(hasher, *container)
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computedHash := uint64(hasher.Sum32())
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podFullName := fmt.Sprintf("%s_%s", podName, podNamespace)
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_, name, _ := BuildDockerName(KubeletContainerName{podFullName, types.UID(podUID), container.Name}, container)
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returned, hash, err := ParseDockerName(name)
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if err != nil {
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t.Errorf("Failed to parse Docker container name %q: %v", name, err)
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}
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if podFullName != returned.PodFullName || podUID != string(returned.PodUID) || containerName != returned.ContainerName || computedHash != hash {
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t.Errorf("For (%s, %s, %s, %d), unpacked (%s, %s, %s, %d)", podFullName, podUID, containerName, computedHash, returned.PodFullName, returned.PodUID, returned.ContainerName, hash)
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}
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}
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func TestContainerNaming(t *testing.T) {
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podUID := "12345678"
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verifyPackUnpack(t, "file", podUID, "name", "container")
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verifyPackUnpack(t, "file", podUID, "name-with-dashes", "container")
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// UID is same as pod name
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verifyPackUnpack(t, "file", podUID, podUID, "container")
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// No Container name
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verifyPackUnpack(t, "other", podUID, "name", "")
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container := &v1.Container{Name: "container"}
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podName := "foo"
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podNamespace := "test"
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name := fmt.Sprintf("k8s_%s_%s_%s_%s_42", container.Name, podName, podNamespace, podUID)
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podFullName := fmt.Sprintf("%s_%s", podName, podNamespace)
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returned, hash, err := ParseDockerName(name)
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if err != nil {
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t.Errorf("Failed to parse Docker container name %q: %v", name, err)
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}
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if returned.PodFullName != podFullName || string(returned.PodUID) != podUID || returned.ContainerName != container.Name || hash != 0 {
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t.Errorf("unexpected parse: %s %s %s %d", returned.PodFullName, returned.PodUID, returned.ContainerName, hash)
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}
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}
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func TestMatchImageTagOrSHA(t *testing.T) {
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for i, testCase := range []struct {
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Inspected dockertypes.ImageInspect
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Image string
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Output bool
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}{
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{
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Inspected: dockertypes.ImageInspect{RepoTags: []string{"ubuntu:latest"}},
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Image: "ubuntu",
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Output: true,
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},
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{
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Inspected: dockertypes.ImageInspect{RepoTags: []string{"ubuntu:14.04"}},
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Image: "ubuntu:latest",
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Output: false,
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},
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{
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Inspected: dockertypes.ImageInspect{RepoTags: []string{"colemickens/hyperkube-amd64:217.9beff63"}},
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Image: "colemickens/hyperkube-amd64:217.9beff63",
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Output: true,
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},
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{
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Inspected: dockertypes.ImageInspect{RepoTags: []string{"colemickens/hyperkube-amd64:217.9beff63"}},
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Image: "docker.io/colemickens/hyperkube-amd64:217.9beff63",
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Output: true,
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},
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{
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Inspected: dockertypes.ImageInspect{RepoTags: []string{"docker.io/kubernetes/pause:latest"}},
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Image: "kubernetes/pause:latest",
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Output: true,
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},
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{
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
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},
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Image: "myimage@sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
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Output: true,
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},
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{
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
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},
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Image: "myimage@sha256:2208f7a29005",
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Output: false,
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},
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{
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
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},
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Image: "myimage@sha256:2208",
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Output: false,
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},
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{
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// mismatched ID is ignored
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
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},
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Image: "myimage@sha256:0000f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
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Output: false,
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},
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{
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// invalid digest is ignored
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:unparseable",
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},
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Image: "myimage@sha256:unparseable",
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Output: false,
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},
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{
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// v1 schema images can be pulled in one format and returned in another
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
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RepoDigests: []string{"centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf"},
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},
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Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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Output: true,
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},
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{
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// RepoDigest match is is required
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Inspected: dockertypes.ImageInspect{
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ID: "",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:000084acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf"},
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},
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Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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Output: false,
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},
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{
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// RepoDigest match is allowed
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf"},
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},
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Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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Output: true,
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},
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{
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// RepoDigest and ID are checked
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227"},
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},
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Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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Output: true,
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},
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{
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// unparseable RepoDigests are skipped
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
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RepoDigests: []string{
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"centos/ruby-23-centos7@sha256:unparseable",
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"docker.io/centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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},
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},
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Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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Output: true,
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},
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{
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// unparseable RepoDigest is ignored
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:unparseable"},
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},
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Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
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Output: false,
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},
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{
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// unparseable image digest is ignored
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:unparseable"},
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},
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Image: "centos/ruby-23-centos7@sha256:unparseable",
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Output: false,
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},
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{
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// prefix match is rejected for ID and RepoDigest
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:unparseable",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:unparseable"},
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},
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Image: "sha256:unparseable",
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Output: false,
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},
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{
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// possible SHA prefix match is rejected for ID and RepoDigest because it is not in the named format
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Inspected: dockertypes.ImageInspect{
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ID: "sha256:0000f247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
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RepoDigests: []string{"docker.io/centos/ruby-23-centos7@sha256:0000f247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227"},
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},
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Image: "sha256:0000",
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Output: false,
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},
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} {
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match := matchImageTagOrSHA(testCase.Inspected, testCase.Image)
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assert.Equal(t, testCase.Output, match, testCase.Image+fmt.Sprintf(" is not a match (%d)", i))
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}
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}
|
||
|
|
|
||
|
|
func TestMatchImageIDOnly(t *testing.T) {
|
||
|
|
for i, testCase := range []struct {
|
||
|
|
Inspected dockertypes.ImageInspect
|
||
|
|
Image string
|
||
|
|
Output bool
|
||
|
|
}{
|
||
|
|
// shouldn't match names or tagged names
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{RepoTags: []string{"ubuntu:latest"}},
|
||
|
|
Image: "ubuntu",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{RepoTags: []string{"colemickens/hyperkube-amd64:217.9beff63"}},
|
||
|
|
Image: "colemickens/hyperkube-amd64:217.9beff63",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
// should match name@digest refs if they refer to the image ID (but only the full ID)
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
|
||
|
|
},
|
||
|
|
Image: "myimage@sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
|
||
|
|
Output: true,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
|
||
|
|
},
|
||
|
|
Image: "myimage@sha256:2208f7a29005",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
|
||
|
|
},
|
||
|
|
Image: "myimage@sha256:2208",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
// should match when the IDs are literally the same
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "foobar",
|
||
|
|
},
|
||
|
|
Image: "foobar",
|
||
|
|
Output: true,
|
||
|
|
},
|
||
|
|
// shouldn't match mismatched IDs
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "sha256:2208f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
|
||
|
|
},
|
||
|
|
Image: "myimage@sha256:0000f7a29005d226d1ee33a63e33af1f47af6156c740d7d23c7948e8d282d53d",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
// shouldn't match invalid IDs or refs
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "sha256:unparseable",
|
||
|
|
},
|
||
|
|
Image: "myimage@sha256:unparseable",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
// shouldn't match against repo digests
|
||
|
|
{
|
||
|
|
Inspected: dockertypes.ImageInspect{
|
||
|
|
ID: "sha256:9bbdf247c91345f0789c10f50a57e36a667af1189687ad1de88a6243d05a2227",
|
||
|
|
RepoDigests: []string{"centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf"},
|
||
|
|
},
|
||
|
|
Image: "centos/ruby-23-centos7@sha256:940584acbbfb0347272112d2eb95574625c0c60b4e2fdadb139de5859cf754bf",
|
||
|
|
Output: false,
|
||
|
|
},
|
||
|
|
} {
|
||
|
|
match := matchImageIDOnly(testCase.Inspected, testCase.Image)
|
||
|
|
assert.Equal(t, testCase.Output, match, fmt.Sprintf("%s is not a match (%d)", testCase.Image, i))
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestPullWithNoSecrets(t *testing.T) {
|
||
|
|
tests := []struct {
|
||
|
|
imageName string
|
||
|
|
expectedImage string
|
||
|
|
}{
|
||
|
|
{"ubuntu", "ubuntu using {}"},
|
||
|
|
{"ubuntu:2342", "ubuntu:2342 using {}"},
|
||
|
|
{"ubuntu:latest", "ubuntu:latest using {}"},
|
||
|
|
{"foo/bar:445566", "foo/bar:445566 using {}"},
|
||
|
|
{"registry.example.com:5000/foobar", "registry.example.com:5000/foobar using {}"},
|
||
|
|
{"registry.example.com:5000/foobar:5342", "registry.example.com:5000/foobar:5342 using {}"},
|
||
|
|
{"registry.example.com:5000/foobar:latest", "registry.example.com:5000/foobar:latest using {}"},
|
||
|
|
}
|
||
|
|
for _, test := range tests {
|
||
|
|
fakeKeyring := &credentialprovider.FakeKeyring{}
|
||
|
|
fakeClient := NewFakeDockerClient()
|
||
|
|
|
||
|
|
dp := dockerPuller{
|
||
|
|
client: fakeClient,
|
||
|
|
keyring: fakeKeyring,
|
||
|
|
}
|
||
|
|
|
||
|
|
err := dp.Pull(test.imageName, []v1.Secret{})
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("unexpected non-nil err: %s", err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if e, a := 1, len(fakeClient.pulled); e != a {
|
||
|
|
t.Errorf("%s: expected 1 pulled image, got %d: %v", test.imageName, a, fakeClient.pulled)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if e, a := test.expectedImage, fakeClient.pulled[0]; e != a {
|
||
|
|
t.Errorf("%s: expected pull of %q, but got %q", test.imageName, e, a)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestPullWithJSONError(t *testing.T) {
|
||
|
|
tests := map[string]struct {
|
||
|
|
imageName string
|
||
|
|
err error
|
||
|
|
expectedError string
|
||
|
|
}{
|
||
|
|
"Json error": {
|
||
|
|
"ubuntu",
|
||
|
|
&jsonmessage.JSONError{Code: 50, Message: "Json error"},
|
||
|
|
"Json error",
|
||
|
|
},
|
||
|
|
"Bad gateway": {
|
||
|
|
"ubuntu",
|
||
|
|
&jsonmessage.JSONError{Code: 502, Message: "<!doctype html>\n<html class=\"no-js\" lang=\"\">\n <head>\n </head>\n <body>\n <h1>Oops, there was an error!</h1>\n <p>We have been contacted of this error, feel free to check out <a href=\"http://status.docker.com/\">status.docker.com</a>\n to see if there is a bigger issue.</p>\n\n </body>\n</html>"},
|
||
|
|
images.RegistryUnavailable.Error(),
|
||
|
|
},
|
||
|
|
}
|
||
|
|
for i, test := range tests {
|
||
|
|
fakeKeyring := &credentialprovider.FakeKeyring{}
|
||
|
|
fakeClient := NewFakeDockerClient()
|
||
|
|
fakeClient.InjectError("pull", test.err)
|
||
|
|
|
||
|
|
puller := &dockerPuller{
|
||
|
|
client: fakeClient,
|
||
|
|
keyring: fakeKeyring,
|
||
|
|
}
|
||
|
|
err := puller.Pull(test.imageName, []v1.Secret{})
|
||
|
|
if err == nil || !strings.Contains(err.Error(), test.expectedError) {
|
||
|
|
t.Errorf("%s: expect error %s, got : %s", i, test.expectedError, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestPullWithSecrets(t *testing.T) {
|
||
|
|
// auth value is equivalent to: "username":"passed-user","password":"passed-password"
|
||
|
|
dockerCfg := map[string]map[string]string{"index.docker.io/v1/": {"email": "passed-email", "auth": "cGFzc2VkLXVzZXI6cGFzc2VkLXBhc3N3b3Jk"}}
|
||
|
|
dockercfgContent, err := json.Marshal(dockerCfg)
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("unexpected error: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
dockerConfigJson := map[string]map[string]map[string]string{"auths": dockerCfg}
|
||
|
|
dockerConfigJsonContent, err := json.Marshal(dockerConfigJson)
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("unexpected error: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
tests := map[string]struct {
|
||
|
|
imageName string
|
||
|
|
passedSecrets []v1.Secret
|
||
|
|
builtInDockerConfig credentialprovider.DockerConfig
|
||
|
|
expectedPulls []string
|
||
|
|
}{
|
||
|
|
"no matching secrets": {
|
||
|
|
"ubuntu",
|
||
|
|
[]v1.Secret{},
|
||
|
|
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{}),
|
||
|
|
[]string{"ubuntu using {}"},
|
||
|
|
},
|
||
|
|
"default keyring secrets": {
|
||
|
|
"ubuntu",
|
||
|
|
[]v1.Secret{},
|
||
|
|
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{
|
||
|
|
"index.docker.io/v1/": {Username: "built-in", Password: "password", Email: "email", Provider: nil},
|
||
|
|
}),
|
||
|
|
[]string{`ubuntu using {"username":"built-in","password":"password","email":"email"}`},
|
||
|
|
},
|
||
|
|
"default keyring secrets unused": {
|
||
|
|
"ubuntu",
|
||
|
|
[]v1.Secret{},
|
||
|
|
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{
|
||
|
|
"extraneous": {Username: "built-in", Password: "password", Email: "email", Provider: nil},
|
||
|
|
}),
|
||
|
|
[]string{`ubuntu using {}`},
|
||
|
|
},
|
||
|
|
"builtin keyring secrets, but use passed": {
|
||
|
|
"ubuntu",
|
||
|
|
[]v1.Secret{{Type: v1.SecretTypeDockercfg, Data: map[string][]byte{v1.DockerConfigKey: dockercfgContent}}},
|
||
|
|
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{
|
||
|
|
"index.docker.io/v1/": {Username: "built-in", Password: "password", Email: "email", Provider: nil},
|
||
|
|
}),
|
||
|
|
[]string{`ubuntu using {"username":"passed-user","password":"passed-password","email":"passed-email"}`},
|
||
|
|
},
|
||
|
|
"builtin keyring secrets, but use passed with new docker config": {
|
||
|
|
"ubuntu",
|
||
|
|
[]v1.Secret{{Type: v1.SecretTypeDockerConfigJson, Data: map[string][]byte{v1.DockerConfigJsonKey: dockerConfigJsonContent}}},
|
||
|
|
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{
|
||
|
|
"index.docker.io/v1/": {Username: "built-in", Password: "password", Email: "email", Provider: nil},
|
||
|
|
}),
|
||
|
|
[]string{`ubuntu using {"username":"passed-user","password":"passed-password","email":"passed-email"}`},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
for i, test := range tests {
|
||
|
|
builtInKeyRing := &credentialprovider.BasicDockerKeyring{}
|
||
|
|
builtInKeyRing.Add(test.builtInDockerConfig)
|
||
|
|
|
||
|
|
fakeClient := NewFakeDockerClient()
|
||
|
|
|
||
|
|
dp := dockerPuller{
|
||
|
|
client: fakeClient,
|
||
|
|
keyring: builtInKeyRing,
|
||
|
|
}
|
||
|
|
|
||
|
|
err := dp.Pull(test.imageName, test.passedSecrets)
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("%s: unexpected non-nil err: %s", i, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if e, a := 1, len(fakeClient.pulled); e != a {
|
||
|
|
t.Errorf("%s: expected 1 pulled image, got %d: %v", i, a, fakeClient.pulled)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if e, a := test.expectedPulls, fakeClient.pulled; !reflect.DeepEqual(e, a) {
|
||
|
|
t.Errorf("%s: expected pull of %v, but got %v", i, e, a)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestDockerKeyringLookupFails(t *testing.T) {
|
||
|
|
fakeKeyring := &credentialprovider.FakeKeyring{}
|
||
|
|
fakeClient := NewFakeDockerClient()
|
||
|
|
fakeClient.InjectError("pull", fmt.Errorf("test error"))
|
||
|
|
|
||
|
|
dp := dockerPuller{
|
||
|
|
client: fakeClient,
|
||
|
|
keyring: fakeKeyring,
|
||
|
|
}
|
||
|
|
|
||
|
|
err := dp.Pull("host/repository/image:version", []v1.Secret{})
|
||
|
|
if err == nil {
|
||
|
|
t.Errorf("unexpected non-error")
|
||
|
|
}
|
||
|
|
msg := "image pull failed for host/repository/image:version, this may be because there are no credentials on this request. details: (test error)"
|
||
|
|
if err.Error() != msg {
|
||
|
|
t.Errorf("expected: %s, saw: %s", msg, err.Error())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestDockerKeyringLookup(t *testing.T) {
|
||
|
|
ada := credentialprovider.LazyAuthConfiguration{
|
||
|
|
AuthConfig: dockertypes.AuthConfig{
|
||
|
|
Username: "ada",
|
||
|
|
Password: "smash",
|
||
|
|
Email: "ada@example.com",
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
grace := credentialprovider.LazyAuthConfiguration{
|
||
|
|
AuthConfig: dockertypes.AuthConfig{
|
||
|
|
Username: "grace",
|
||
|
|
Password: "squash",
|
||
|
|
Email: "grace@example.com",
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
dk := &credentialprovider.BasicDockerKeyring{}
|
||
|
|
dk.Add(credentialprovider.DockerConfig{
|
||
|
|
"bar.example.com/pong": credentialprovider.DockerConfigEntry{
|
||
|
|
Username: grace.Username,
|
||
|
|
Password: grace.Password,
|
||
|
|
Email: grace.Email,
|
||
|
|
},
|
||
|
|
"bar.example.com": credentialprovider.DockerConfigEntry{
|
||
|
|
Username: ada.Username,
|
||
|
|
Password: ada.Password,
|
||
|
|
Email: ada.Email,
|
||
|
|
},
|
||
|
|
})
|
||
|
|
|
||
|
|
tests := []struct {
|
||
|
|
image string
|
||
|
|
match []credentialprovider.LazyAuthConfiguration
|
||
|
|
ok bool
|
||
|
|
}{
|
||
|
|
// direct match
|
||
|
|
{"bar.example.com", []credentialprovider.LazyAuthConfiguration{ada}, true},
|
||
|
|
|
||
|
|
// direct match deeper than other possible matches
|
||
|
|
{"bar.example.com/pong", []credentialprovider.LazyAuthConfiguration{grace, ada}, true},
|
||
|
|
|
||
|
|
// no direct match, deeper path ignored
|
||
|
|
{"bar.example.com/ping", []credentialprovider.LazyAuthConfiguration{ada}, true},
|
||
|
|
|
||
|
|
// match first part of path token
|
||
|
|
{"bar.example.com/pongz", []credentialprovider.LazyAuthConfiguration{grace, ada}, true},
|
||
|
|
|
||
|
|
// match regardless of sub-path
|
||
|
|
{"bar.example.com/pong/pang", []credentialprovider.LazyAuthConfiguration{grace, ada}, true},
|
||
|
|
|
||
|
|
// no host match
|
||
|
|
{"example.com", []credentialprovider.LazyAuthConfiguration{}, false},
|
||
|
|
{"foo.example.com", []credentialprovider.LazyAuthConfiguration{}, false},
|
||
|
|
}
|
||
|
|
|
||
|
|
for i, tt := range tests {
|
||
|
|
match, ok := dk.Lookup(tt.image)
|
||
|
|
if tt.ok != ok {
|
||
|
|
t.Errorf("case %d: expected ok=%t, got %t", i, tt.ok, ok)
|
||
|
|
}
|
||
|
|
|
||
|
|
if !reflect.DeepEqual(tt.match, match) {
|
||
|
|
t.Errorf("case %d: expected match=%#v, got %#v", i, tt.match, match)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// This validates that dockercfg entries with a scheme and url path are properly matched
|
||
|
|
// by images that only match the hostname.
|
||
|
|
// NOTE: the above covers the case of a more specific match trumping just hostname.
|
||
|
|
func TestIssue3797(t *testing.T) {
|
||
|
|
rex := credentialprovider.LazyAuthConfiguration{
|
||
|
|
AuthConfig: dockertypes.AuthConfig{
|
||
|
|
Username: "rex",
|
||
|
|
Password: "tiny arms",
|
||
|
|
Email: "rex@example.com",
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
dk := &credentialprovider.BasicDockerKeyring{}
|
||
|
|
dk.Add(credentialprovider.DockerConfig{
|
||
|
|
"https://quay.io/v1/": credentialprovider.DockerConfigEntry{
|
||
|
|
Username: rex.Username,
|
||
|
|
Password: rex.Password,
|
||
|
|
Email: rex.Email,
|
||
|
|
},
|
||
|
|
})
|
||
|
|
|
||
|
|
tests := []struct {
|
||
|
|
image string
|
||
|
|
match []credentialprovider.LazyAuthConfiguration
|
||
|
|
ok bool
|
||
|
|
}{
|
||
|
|
// direct match
|
||
|
|
{"quay.io", []credentialprovider.LazyAuthConfiguration{rex}, true},
|
||
|
|
|
||
|
|
// partial matches
|
||
|
|
{"quay.io/foo", []credentialprovider.LazyAuthConfiguration{rex}, true},
|
||
|
|
{"quay.io/foo/bar", []credentialprovider.LazyAuthConfiguration{rex}, true},
|
||
|
|
}
|
||
|
|
|
||
|
|
for i, tt := range tests {
|
||
|
|
match, ok := dk.Lookup(tt.image)
|
||
|
|
if tt.ok != ok {
|
||
|
|
t.Errorf("case %d: expected ok=%t, got %t", i, tt.ok, ok)
|
||
|
|
}
|
||
|
|
|
||
|
|
if !reflect.DeepEqual(tt.match, match) {
|
||
|
|
t.Errorf("case %d: expected match=%#v, got %#v", i, tt.match, match)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type imageTrackingDockerClient struct {
|
||
|
|
*FakeDockerClient
|
||
|
|
imageName string
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *imageTrackingDockerClient) InspectImageByID(name string) (image *dockertypes.ImageInspect, err error) {
|
||
|
|
image, err = f.FakeDockerClient.InspectImageByID(name)
|
||
|
|
f.imageName = name
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *imageTrackingDockerClient) InspectImageByRef(name string) (image *dockertypes.ImageInspect, err error) {
|
||
|
|
image, err = f.FakeDockerClient.InspectImageByRef(name)
|
||
|
|
f.imageName = name
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestGetImageRef(t *testing.T) {
|
||
|
|
cl := &imageTrackingDockerClient{NewFakeDockerClient(), ""}
|
||
|
|
puller := &dockerPuller{
|
||
|
|
client: cl,
|
||
|
|
}
|
||
|
|
_, _ = puller.GetImageRef("abc:123")
|
||
|
|
if cl.imageName != "abc:123" {
|
||
|
|
t.Errorf("expected inspection of image abc:123, instead inspected image %v", cl.imageName)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type podsByID []*kubecontainer.Pod
|
||
|
|
|
||
|
|
func (b podsByID) Len() int { return len(b) }
|
||
|
|
func (b podsByID) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
|
||
|
|
func (b podsByID) Less(i, j int) bool { return b[i].ID < b[j].ID }
|
||
|
|
|
||
|
|
type containersByID []*kubecontainer.Container
|
||
|
|
|
||
|
|
func (b containersByID) Len() int { return len(b) }
|
||
|
|
func (b containersByID) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
|
||
|
|
func (b containersByID) Less(i, j int) bool { return b[i].ID.ID < b[j].ID.ID }
|
||
|
|
|
||
|
|
func TestFindContainersByPod(t *testing.T) {
|
||
|
|
tests := []struct {
|
||
|
|
runningContainerList []dockertypes.Container
|
||
|
|
exitedContainerList []dockertypes.Container
|
||
|
|
all bool
|
||
|
|
expectedPods []*kubecontainer.Pod
|
||
|
|
}{
|
||
|
|
|
||
|
|
{
|
||
|
|
[]dockertypes.Container{
|
||
|
|
{
|
||
|
|
ID: "foobar",
|
||
|
|
Names: []string{"/k8s_foobar.1234_qux_ns_1234_42"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "barbar",
|
||
|
|
Names: []string{"/k8s_barbar.1234_qux_ns_2343_42"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "baz",
|
||
|
|
Names: []string{"/k8s_baz.1234_qux_ns_1234_42"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
[]dockertypes.Container{
|
||
|
|
{
|
||
|
|
ID: "barfoo",
|
||
|
|
Names: []string{"/k8s_barfoo.1234_qux_ns_1234_42"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "bazbaz",
|
||
|
|
Names: []string{"/k8s_bazbaz.1234_qux_ns_5678_42"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
false,
|
||
|
|
[]*kubecontainer.Pod{
|
||
|
|
{
|
||
|
|
ID: "1234",
|
||
|
|
Name: "qux",
|
||
|
|
Namespace: "ns",
|
||
|
|
Containers: []*kubecontainer.Container{
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("foobar").ContainerID(),
|
||
|
|
Name: "foobar",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("baz").ContainerID(),
|
||
|
|
Name: "baz",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "2343",
|
||
|
|
Name: "qux",
|
||
|
|
Namespace: "ns",
|
||
|
|
Containers: []*kubecontainer.Container{
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("barbar").ContainerID(),
|
||
|
|
Name: "barbar",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
[]dockertypes.Container{
|
||
|
|
{
|
||
|
|
ID: "foobar",
|
||
|
|
Names: []string{"/k8s_foobar.1234_qux_ns_1234_42"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "barbar",
|
||
|
|
Names: []string{"/k8s_barbar.1234_qux_ns_2343_42"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "baz",
|
||
|
|
Names: []string{"/k8s_baz.1234_qux_ns_1234_42"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
[]dockertypes.Container{
|
||
|
|
{
|
||
|
|
ID: "barfoo",
|
||
|
|
Names: []string{"/k8s_barfoo.1234_qux_ns_1234_42"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "bazbaz",
|
||
|
|
Names: []string{"/k8s_bazbaz.1234_qux_ns_5678_42"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
true,
|
||
|
|
[]*kubecontainer.Pod{
|
||
|
|
{
|
||
|
|
ID: "1234",
|
||
|
|
Name: "qux",
|
||
|
|
Namespace: "ns",
|
||
|
|
Containers: []*kubecontainer.Container{
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("foobar").ContainerID(),
|
||
|
|
Name: "foobar",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("barfoo").ContainerID(),
|
||
|
|
Name: "barfoo",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("baz").ContainerID(),
|
||
|
|
Name: "baz",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "2343",
|
||
|
|
Name: "qux",
|
||
|
|
Namespace: "ns",
|
||
|
|
Containers: []*kubecontainer.Container{
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("barbar").ContainerID(),
|
||
|
|
Name: "barbar",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
ID: "5678",
|
||
|
|
Name: "qux",
|
||
|
|
Namespace: "ns",
|
||
|
|
Containers: []*kubecontainer.Container{
|
||
|
|
{
|
||
|
|
ID: kubecontainer.DockerID("bazbaz").ContainerID(),
|
||
|
|
Name: "bazbaz",
|
||
|
|
Hash: 0x1234,
|
||
|
|
State: kubecontainer.ContainerStateUnknown,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
[]dockertypes.Container{},
|
||
|
|
[]dockertypes.Container{},
|
||
|
|
true,
|
||
|
|
nil,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
fakeClient := NewFakeDockerClient()
|
||
|
|
np, _ := network.InitNetworkPlugin([]network.NetworkPlugin{}, "", nettest.NewFakeHost(nil), componentconfig.HairpinNone, "10.0.0.0/8", network.UseDefaultMTU)
|
||
|
|
// image back-off is set to nil, this test should not pull images
|
||
|
|
containerManager := NewFakeDockerManager(fakeClient, &record.FakeRecorder{}, nil, nil, &cadvisorapi.MachineInfo{}, "", 0, 0, "", &containertest.FakeOS{}, np, nil, nil, nil)
|
||
|
|
for i, test := range tests {
|
||
|
|
fakeClient.RunningContainerList = test.runningContainerList
|
||
|
|
fakeClient.ExitedContainerList = test.exitedContainerList
|
||
|
|
|
||
|
|
result, _ := containerManager.GetPods(test.all)
|
||
|
|
for i := range result {
|
||
|
|
sort.Sort(containersByID(result[i].Containers))
|
||
|
|
}
|
||
|
|
for i := range test.expectedPods {
|
||
|
|
sort.Sort(containersByID(test.expectedPods[i].Containers))
|
||
|
|
}
|
||
|
|
sort.Sort(podsByID(result))
|
||
|
|
sort.Sort(podsByID(test.expectedPods))
|
||
|
|
if !reflect.DeepEqual(test.expectedPods, result) {
|
||
|
|
t.Errorf("%d: expected: %#v, saw: %#v", i, test.expectedPods, result)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestMakePortsAndBindings(t *testing.T) {
|
||
|
|
portMapping := func(container, host int, protocol v1.Protocol, ip string) kubecontainer.PortMapping {
|
||
|
|
return kubecontainer.PortMapping{
|
||
|
|
ContainerPort: container,
|
||
|
|
HostPort: host,
|
||
|
|
Protocol: protocol,
|
||
|
|
HostIP: ip,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
portBinding := func(port, ip string) dockernat.PortBinding {
|
||
|
|
return dockernat.PortBinding{
|
||
|
|
HostPort: port,
|
||
|
|
HostIP: ip,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ports := []kubecontainer.PortMapping{
|
||
|
|
portMapping(80, 8080, "", "127.0.0.1"),
|
||
|
|
portMapping(443, 443, "tcp", ""),
|
||
|
|
portMapping(444, 444, "udp", ""),
|
||
|
|
portMapping(445, 445, "foobar", ""),
|
||
|
|
portMapping(443, 446, "tcp", ""),
|
||
|
|
portMapping(443, 446, "udp", ""),
|
||
|
|
}
|
||
|
|
|
||
|
|
exposedPorts, bindings := makePortsAndBindings(ports)
|
||
|
|
|
||
|
|
// Count the expected exposed ports and bindings
|
||
|
|
expectedExposedPorts := map[string]struct{}{}
|
||
|
|
|
||
|
|
for _, binding := range ports {
|
||
|
|
dockerKey := strconv.Itoa(binding.ContainerPort) + "/" + string(binding.Protocol)
|
||
|
|
expectedExposedPorts[dockerKey] = struct{}{}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Should expose right ports in docker
|
||
|
|
if len(expectedExposedPorts) != len(exposedPorts) {
|
||
|
|
t.Errorf("Unexpected ports and bindings, %#v %#v %#v", ports, exposedPorts, bindings)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Construct expected bindings
|
||
|
|
expectPortBindings := map[string][]dockernat.PortBinding{
|
||
|
|
"80/tcp": {
|
||
|
|
portBinding("8080", "127.0.0.1"),
|
||
|
|
},
|
||
|
|
"443/tcp": {
|
||
|
|
portBinding("443", ""),
|
||
|
|
portBinding("446", ""),
|
||
|
|
},
|
||
|
|
"443/udp": {
|
||
|
|
portBinding("446", ""),
|
||
|
|
},
|
||
|
|
"444/udp": {
|
||
|
|
portBinding("444", ""),
|
||
|
|
},
|
||
|
|
"445/tcp": {
|
||
|
|
portBinding("445", ""),
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
// interate the bindings by dockerPort, and check its portBindings
|
||
|
|
for dockerPort, portBindings := range bindings {
|
||
|
|
switch dockerPort {
|
||
|
|
case "80/tcp", "443/tcp", "443/udp", "444/udp", "445/tcp":
|
||
|
|
if !reflect.DeepEqual(expectPortBindings[string(dockerPort)], portBindings) {
|
||
|
|
t.Errorf("Unexpected portbindings for %#v, expected: %#v, but got: %#v",
|
||
|
|
dockerPort, expectPortBindings[string(dockerPort)], portBindings)
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
t.Errorf("Unexpected docker port: %#v with portbindings: %#v", dockerPort, portBindings)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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)
|
||
|
|
dockerId := randStringBytes(80)
|
||
|
|
// The file name cannot exceed 255 characters. Since .log suffix is required, the prefix cannot exceed 251 characters.
|
||
|
|
expectedPath := path.Join(containerLogsDir, fmt.Sprintf("%s_%s-%s", podFullName, containerName, dockerId)[:251]+".log")
|
||
|
|
as.Equal(expectedPath, LogSymlink(containerLogsDir, podFullName, containerName, dockerId))
|
||
|
|
}
|