mirror of https://github.com/containrrr/watchtower
feat(log): add context fields to lifecycle events (#1007)
nils måsén
4 years ago
committed by
GitHub
parent
cd0ec88764
commit
697397f289
@ -0,0 +1,148 @@
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package container
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import (
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"github.com/containrrr/watchtower/pkg/container/mocks"
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"github.com/containrrr/watchtower/pkg/filters"
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cli "github.com/docker/docker/client"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/onsi/gomega/gbytes"
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"github.com/sirupsen/logrus"
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)
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var _ = Describe("the client", func() {
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var docker *cli.Client
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var client Client
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BeforeSuite(func() {
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server := mocks.NewMockAPIServer()
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docker, _ = cli.NewClientWithOpts(
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cli.WithHost(server.URL),
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cli.WithHTTPClient(server.Client()))
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client = dockerClient{
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api: docker,
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pullImages: false,
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}
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})
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It("should return a client for the api", func() {
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Expect(client).NotTo(BeNil())
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})
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Describe("WarnOnHeadPullFailed", func() {
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containerUnknown := *mockContainerWithImageName("unknown.repo/prefix/imagename:latest")
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containerKnown := *mockContainerWithImageName("docker.io/prefix/imagename:latest")
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When("warn on head failure is set to \"always\"", func() {
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c := newClientNoAPI(false, false, false, false, false, "always")
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It("should always return true", func() {
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Expect(c.WarnOnHeadPullFailed(containerUnknown)).To(BeTrue())
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Expect(c.WarnOnHeadPullFailed(containerKnown)).To(BeTrue())
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})
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})
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When("warn on head failure is set to \"auto\"", func() {
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c := newClientNoAPI(false, false, false, false, false, "auto")
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It("should always return true", func() {
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Expect(c.WarnOnHeadPullFailed(containerUnknown)).To(BeFalse())
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})
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It("should", func() {
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Expect(c.WarnOnHeadPullFailed(containerKnown)).To(BeTrue())
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})
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})
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When("warn on head failure is set to \"never\"", func() {
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c := newClientNoAPI(false, false, false, false, false, "never")
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It("should never return true", func() {
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Expect(c.WarnOnHeadPullFailed(containerUnknown)).To(BeFalse())
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Expect(c.WarnOnHeadPullFailed(containerKnown)).To(BeFalse())
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})
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})
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})
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When("listing containers without any filter", func() {
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It("should return all available containers", func() {
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containers, err := client.ListContainers(filters.NoFilter)
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Expect(err).NotTo(HaveOccurred())
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Expect(len(containers) == 2).To(BeTrue())
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})
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})
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When("listing containers with a filter matching nothing", func() {
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It("should return an empty array", func() {
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filter := filters.FilterByNames([]string{"lollercoaster"}, filters.NoFilter)
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containers, err := client.ListContainers(filter)
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Expect(err).NotTo(HaveOccurred())
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Expect(len(containers) == 0).To(BeTrue())
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})
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})
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When("listing containers with a watchtower filter", func() {
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It("should return only the watchtower container", func() {
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containers, err := client.ListContainers(filters.WatchtowerContainersFilter)
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Expect(err).NotTo(HaveOccurred())
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Expect(len(containers) == 1).To(BeTrue())
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Expect(containers[0].ImageName()).To(Equal("containrrr/watchtower:latest"))
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})
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})
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When(`listing containers with the "include stopped" option`, func() {
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It("should return both stopped and running containers", func() {
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client = dockerClient{
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api: docker,
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pullImages: false,
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includeStopped: true,
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}
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containers, err := client.ListContainers(filters.NoFilter)
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Expect(err).NotTo(HaveOccurred())
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Expect(len(containers) > 0).To(BeTrue())
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})
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})
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When(`listing containers with the "include restart" option`, func() {
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It("should return both stopped, restarting and running containers", func() {
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client = dockerClient{
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api: docker,
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pullImages: false,
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includeRestarting: true,
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}
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containers, err := client.ListContainers(filters.NoFilter)
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Expect(err).NotTo(HaveOccurred())
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RestartingContainerFound := false
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for _, ContainerRunning := range containers {
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if ContainerRunning.containerInfo.State.Restarting {
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RestartingContainerFound = true
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}
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}
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Expect(RestartingContainerFound).To(BeTrue())
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Expect(RestartingContainerFound).NotTo(BeFalse())
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})
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})
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When(`listing containers without restarting ones`, func() {
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It("should not return restarting containers", func() {
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client = dockerClient{
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api: docker,
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pullImages: false,
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includeRestarting: false,
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}
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containers, err := client.ListContainers(filters.NoFilter)
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Expect(err).NotTo(HaveOccurred())
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RestartingContainerFound := false
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for _, ContainerRunning := range containers {
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if ContainerRunning.containerInfo.State.Restarting {
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RestartingContainerFound = true
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}
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}
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Expect(RestartingContainerFound).To(BeFalse())
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Expect(RestartingContainerFound).NotTo(BeTrue())
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})
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})
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Describe(`ExecuteCommand`, func() {
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When(`logging`, func() {
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It("should include container id field", func() {
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// Capture logrus output in buffer
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logbuf := gbytes.NewBuffer()
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origOut := logrus.StandardLogger().Out
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defer logrus.SetOutput(origOut)
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logrus.SetOutput(logbuf)
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_, err := client.ExecuteCommand("ex-cont-id", "exec-cmd", 1)
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Expect(err).NotTo(HaveOccurred())
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// Note: Since Execute requires opening up a raw TCP stream to the daemon for the output, this will fail
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// when using the mock API server. Regardless of the outcome, the log should include the container ID
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Eventually(logbuf).Should(gbytes.Say(`containerID="?ex-cont-id"?`))
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})
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})
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})
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})
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