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deployments.go
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deployments.go
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package deployments
import (
"errors"
"fmt"
"math/rand"
"strings"
"time"
g "github.com/onsi/ginkgo"
o "github.com/onsi/gomega"
kerrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
kapiv1 "k8s.io/kubernetes/pkg/api/v1"
kcontroller "k8s.io/kubernetes/pkg/controller"
e2e "k8s.io/kubernetes/test/e2e/framework"
appsapi "github.com/openshift/origin/pkg/apps/apis/apps"
appsutil "github.com/openshift/origin/pkg/apps/util"
imageapi "github.com/openshift/origin/pkg/image/apis/image"
exutil "github.com/openshift/origin/test/extended/util"
)
const deploymentRunTimeout = 5 * time.Minute
const deploymentChangeTimeout = 30 * time.Second
var _ = g.Describe("[Feature:DeploymentConfig] deploymentconfigs", func() {
defer g.GinkgoRecover()
var (
oc = exutil.NewCLI("cli-deployment", exutil.KubeConfigPath())
deploymentFixture = exutil.FixturePath("testdata", "deployments", "test-deployment-test.yaml")
simpleDeploymentFixture = exutil.FixturePath("testdata", "deployments", "deployment-simple.yaml")
customDeploymentFixture = exutil.FixturePath("testdata", "deployments", "custom-deployment.yaml")
generationFixture = exutil.FixturePath("testdata", "deployments", "generation-test.yaml")
pausedDeploymentFixture = exutil.FixturePath("testdata", "deployments", "paused-deployment.yaml")
failedHookFixture = exutil.FixturePath("testdata", "deployments", "failing-pre-hook.yaml")
brokenDeploymentFixture = exutil.FixturePath("testdata", "deployments", "test-deployment-broken.yaml")
historyLimitedDeploymentFixture = exutil.FixturePath("testdata", "deployments", "deployment-history-limit.yaml")
minReadySecondsFixture = exutil.FixturePath("testdata", "deployments", "deployment-min-ready-seconds.yaml")
multipleICTFixture = exutil.FixturePath("testdata", "deployments", "deployment-example.yaml")
resolutionFixture = exutil.FixturePath("testdata", "deployments", "deployment-image-resolution.yaml")
anotherMultiICTFixture = exutil.FixturePath("testdata", "deployments", "multi-ict-deployment.yaml")
tagImagesFixture = exutil.FixturePath("testdata", "deployments", "tag-images-deployment.yaml")
readinessFixture = exutil.FixturePath("testdata", "deployments", "readiness-test.yaml")
envRefDeploymentFixture = exutil.FixturePath("testdata", "deployments", "deployment-with-ref-env.yaml")
ignoresDeployersFixture = exutil.FixturePath("testdata", "deployments", "deployment-ignores-deployer.yaml")
imageChangeTriggerFixture = exutil.FixturePath("testdata", "deployments", "deployment-trigger.yaml")
)
g.Describe("when run iteratively [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-simple", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should only deploy the last deployment", func() {
_, err := oc.Run("create").Args("-f", simpleDeploymentFixture).Output()
o.Expect(err).NotTo(o.HaveOccurred())
iterations := 15
for i := 0; i < iterations; i++ {
if rand.Float32() < 0.2 {
time.Sleep(time.Duration(rand.Float32() * rand.Float32() * float32(time.Second)))
}
switch n := rand.Float32(); {
case n < 0.4:
// trigger a new deployment
e2e.Logf("%02d: triggering a new deployment with config change", i)
out, err := oc.Run("set", "env").Args("dc/deployment-simple", fmt.Sprintf("A=%d", i)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("updated"))
case n < 0.7:
// cancel any running deployment
e2e.Logf("%02d: cancelling deployment", i)
if out, err := oc.Run("rollout").Args("cancel", "dc/deployment-simple").Output(); err != nil {
// TODO: we should fix this
if !strings.Contains(out, "the object has been modified") && !strings.Contains(out, "there have been no replication controllers") {
o.Expect(err).NotTo(o.HaveOccurred())
}
e2e.Logf("rollout cancel deployment failed due to known safe error: %v", err)
}
case n < 0.0:
// delete the deployer pod - disabled because it forces the system to wait for the sync loop
e2e.Logf("%02d: deleting one or more deployer pods", i)
_, rcs, pods, err := deploymentInfo(oc, "deployment-simple")
if err != nil {
e2e.Logf("%02d: unable to get deployment info: %v", i, err)
continue
}
all, err := deploymentPods(pods)
if err != nil {
e2e.Logf("%02d: unable to get deployment pods: %v", i, err)
continue
}
if len(all) == 0 {
e2e.Logf("%02d: no deployer pods", i)
continue
}
top := len(rcs) - 1
for j := top; i >= top-1 && j >= 0; j-- {
pods, ok := all[rcs[j].Name]
if !ok {
e2e.Logf("%02d: no deployer pod for rc %q", i, rcs[j].Name)
continue
}
for _, pod := range pods {
e2e.Logf("%02d: deleting deployer pod %s", i, pod.Name)
options := metav1.NewDeleteOptions(0)
if rand.Float32() < 0.5 {
options = nil
}
if err := oc.KubeClient().CoreV1().Pods(oc.Namespace()).Delete(pod.Name, options); err != nil {
e2e.Logf("%02d: unable to delete deployer pod %q: %v", i, pod.Name, err)
}
}
}
e2e.Logf("%02d: triggering a new deployment with config change", i)
out, err := oc.Run("set", "env").Args("dc/deployment-simple", fmt.Sprintf("A=%d", i)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("updated"))
default:
// wait for the deployment to be running
e2e.Logf("%02d: waiting for current deployment to start running", i)
o.Expect(waitForLatestCondition(oc, "deployment-simple", deploymentRunTimeout, deploymentRunning)).NotTo(o.HaveOccurred())
}
}
// trigger one more deployment, just in case we cancelled the latest output
out, err := oc.Run("set", "env").Args("dc/deployment-simple", fmt.Sprintf("A=%d", iterations)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("updated"))
g.By("verifying all but terminal deployment is marked complete")
o.Expect(waitForLatestCondition(oc, "deployment-simple", deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
})
g.It("should immediately start a new deployment", func() {
resource, name, err := createFixture(oc, simpleDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
_, err = oc.Run("set", "env").Args(resource, "TRY=ONCE").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the deployment config has the correct version"))
err = wait.PollImmediate(500*time.Millisecond, 5*time.Second, func() (bool, error) {
dc, _, _, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
return dc.Status.LatestVersion == 2, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the second deployment exists"))
// TODO when #11016 gets fixed this can be reverted to 30seconds
err = wait.PollImmediate(500*time.Millisecond, 5*time.Minute, func() (bool, error) {
_, rcs, _, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
secondDeploymentExists := false
for _, rc := range rcs {
if rc.Name == appsutil.DeploymentNameForConfigVersion(name, 2) {
secondDeploymentExists = true
break
}
}
return secondDeploymentExists, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the first deployer was deleted and the second deployer exists"))
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
_, _, pods, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
deploymentNamesToDeployers, err := deploymentPods(pods)
if err != nil {
return false, nil
}
firstDeploymentName := appsutil.DeploymentNameForConfigVersion(name, 1)
firstDeployerRemoved := true
for _, deployer := range deploymentNamesToDeployers[firstDeploymentName] {
if deployer.Status.Phase != kapiv1.PodFailed && deployer.Status.Phase != kapiv1.PodSucceeded {
firstDeployerRemoved = false
}
}
secondDeploymentName := appsutil.DeploymentNameForConfigVersion(name, 2)
secondDeployerRemoved := true
for _, deployer := range deploymentNamesToDeployers[secondDeploymentName] {
if deployer.Status.Phase != kapiv1.PodFailed && deployer.Status.Phase != kapiv1.PodSucceeded {
secondDeployerRemoved = false
}
}
return firstDeployerRemoved && !secondDeployerRemoved, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
})
})
g.Describe("should respect image stream tag reference policy [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-image-resolution", g.CurrentGinkgoTestDescription().Failed)
})
g.It("resolve the image pull spec", func() {
o.Expect(oc.Run("create").Args("-f", resolutionFixture).Execute()).NotTo(o.HaveOccurred())
name := "deployment-image-resolution"
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentImageTriggersResolved(2))).NotTo(o.HaveOccurred())
is, err := oc.ImageClient().Image().ImageStreams(oc.Namespace()).Get(name, metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(is.Status.DockerImageRepository).NotTo(o.BeEmpty())
o.Expect(is.Status.Tags["direct"].Items).NotTo(o.BeEmpty())
o.Expect(is.Status.Tags["pullthrough"].Items).NotTo(o.BeEmpty())
dc, err := oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Get(name, metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(dc.Spec.Triggers).To(o.HaveLen(3))
imageID := is.Status.Tags["pullthrough"].Items[0].Image
resolvedReference := fmt.Sprintf("%s@%s", is.Status.DockerImageRepository, imageID)
directReference := is.Status.Tags["direct"].Items[0].DockerImageReference
// controller should be using pullthrough for this (pointing to local registry)
o.Expect(dc.Spec.Triggers[1].ImageChangeParams).NotTo(o.BeNil())
o.Expect(dc.Spec.Triggers[1].ImageChangeParams.LastTriggeredImage).To(o.Equal(resolvedReference))
o.Expect(dc.Spec.Template.Spec.Containers[0].Image).To(o.Equal(resolvedReference))
// controller should have preferred the base image
o.Expect(dc.Spec.Triggers[2].ImageChangeParams).NotTo(o.BeNil())
o.Expect(dc.Spec.Triggers[2].ImageChangeParams.LastTriggeredImage).To(o.Equal(directReference))
o.Expect(dc.Spec.Template.Spec.Containers[1].Image).To(o.Equal(directReference))
})
})
g.Describe("with test deployments [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-test", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should run a deployment to completion and then scale to zero", func() {
out, err := oc.Run("create").Args("-f", deploymentFixture).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, "deployment-test", deploymentRunTimeout, deploymentRunning)).NotTo(o.HaveOccurred())
out, err = oc.Run("logs").Args("-f", "dc/deployment-test").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("checking the logs for substrings\n%s", out))
o.Expect(out).To(o.ContainSubstring("deployment-test-1 to 2"))
o.Expect(out).To(o.ContainSubstring("--> pre: Success"))
// FIXME: In some cases the last log messages is lost because of the journald rate
// limiter bug. For this test it should be enough to verify the deployment is marked
// as complete. We should uncomment this once the rate-limiter issues are fixed.
// o.Expect(out).To(o.ContainSubstring("--> Success"))
g.By("verifying the deployment is marked complete and scaled to zero")
o.Expect(waitForLatestCondition(oc, "deployment-test", deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("verifying that scaling does not result in new pods")
out, err = oc.Run("scale").Args("dc/deployment-test", "--replicas=1").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("ensuring no scale up of the deployment happens")
wait.PollImmediate(100*time.Millisecond, 10*time.Second, func() (bool, error) {
rc, err := oc.KubeClient().CoreV1().ReplicationControllers(oc.Namespace()).Get("deployment-test-1", metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(*rc.Spec.Replicas).Should(o.BeEquivalentTo(0))
o.Expect(rc.Status.Replicas).Should(o.BeEquivalentTo(0))
return false, nil
})
g.By("verifying the scale is updated on the deployment config")
config, err := oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Get("deployment-test", metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(config.Spec.Replicas).Should(o.BeEquivalentTo(1))
o.Expect(config.Spec.Test).Should(o.BeTrue())
g.By("deploying a few more times")
for i := 0; i < 3; i++ {
rolloutCompleteWithLogs := make(chan struct{})
out := ""
go func(rolloutNumber int) {
defer g.GinkgoRecover()
defer close(rolloutCompleteWithLogs)
var err error
out, err = waitForDeployerToComplete(oc, fmt.Sprintf("deployment-test-%d", rolloutNumber), deploymentRunTimeout)
o.Expect(err).NotTo(o.HaveOccurred())
}(i + 2) // we already did 2 rollouts previously.
// When the rollout latest is called, we already waiting for the replication
// controller to be created and scrubbing the deployer logs as soon as the
// deployer container runs.
_, err := oc.Run("rollout").Args("latest", "deployment-test").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("waiting for the rollout #%d to finish", i+2))
<-rolloutCompleteWithLogs
o.Expect(out).NotTo(o.BeEmpty())
o.Expect(waitForLatestCondition(oc, "deployment-test", deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("checking the logs for substrings\n%s", out))
o.Expect(out).To(o.ContainSubstring(fmt.Sprintf("deployment-test-%d up to 1", i+2)))
o.Expect(out).To(o.ContainSubstring("--> pre: Success"))
o.Expect(out).To(o.ContainSubstring("test pre hook executed"))
// FIXME: In some cases the last log messages is lost because of the journald rate
// limiter bug. For this test it should be enough to verify the deployment is marked
// as complete. We should uncomment this once the rate-limiter issues are fixed.
// o.Expect(out).To(o.ContainSubstring("--> Success"))
}
})
})
g.Describe("when changing image change trigger [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "example", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should successfully trigger from an updated image", func() {
_, name, err := createFixture(oc, imageChangeTriggerFixture)
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForSyncedConfig(oc, name, deploymentRunTimeout)).NotTo(o.HaveOccurred())
g.By("tagging the busybox:latest as test:v1 image")
_, err = oc.Run("tag").Args("docker.io/busybox:latest", "test:v1").Output()
o.Expect(err).NotTo(o.HaveOccurred())
expectLatestVersion := func(version int) {
dc, err := oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Get(name, metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
latestVersion := dc.Status.LatestVersion
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
dc, err = oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Get(name, metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
latestVersion = dc.Status.LatestVersion
return latestVersion == int64(version), nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("expected latestVersion: %d, got: %d", version, latestVersion)
}
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
}
g.By("ensuring the deployment config latest version is 1 and rollout completed")
expectLatestVersion(1)
g.By("updating the image change trigger to point to test:v2 image")
_, err = oc.Run("set").Args("triggers", "dc/"+name, "--remove-all").Output()
o.Expect(err).NotTo(o.HaveOccurred())
_, err = oc.Run("set").Args("triggers", "dc/"+name, "--from-image", "test:v2", "--auto", "-c", "test").Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForSyncedConfig(oc, name, deploymentRunTimeout)).NotTo(o.HaveOccurred())
g.By("tagging the busybox:1.25 as test:v2 image")
_, err = oc.Run("tag").Args("docker.io/busybox:1.25", "test:v2").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("ensuring the deployment config latest version is 2 and rollout completed")
expectLatestVersion(2)
})
})
g.Describe("when tagging images [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "tag-images", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should successfully tag the deployed image", func() {
g.By("creating the deployment config fixture")
_, name, err := createFixture(oc, tagImagesFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is marked complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("verifying the deployer service account can update imagestreamtags and user can get them")
err = exutil.WaitForUserBeAuthorized(oc, oc.Username(), "get", "imagestreamtags")
o.Expect(err).NotTo(o.HaveOccurred())
err = exutil.WaitForUserBeAuthorized(oc, "system:serviceaccount:"+oc.Namespace()+":deployer", "update", "imagestreamtags")
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the post deployment action happened: tag is set")
var istag *imageapi.ImageStreamTag
pollErr := wait.PollImmediate(100*time.Millisecond, 1*time.Minute, func() (bool, error) {
istag, err = oc.ImageClient().Image().ImageStreamTags(oc.Namespace()).Get("sample-stream:deployed", metav1.GetOptions{})
if kerrors.IsNotFound(err) {
return false, nil
}
if err != nil {
return false, err
}
return true, nil
})
if pollErr == wait.ErrWaitTimeout {
pollErr = err
}
o.Expect(pollErr).NotTo(o.HaveOccurred())
if istag.Tag == nil || istag.Tag.From == nil || istag.Tag.From.Name != "openshift/origin-pod" {
err = fmt.Errorf("expected %q to be part of the image reference in %#v", "openshift/origin-pod", istag)
o.Expect(err).NotTo(o.HaveOccurred())
}
})
})
g.Describe("with env in params referencing the configmap [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-simple", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should expand the config map key to a value", func() {
_, err := oc.Run("create").Args("configmap", "test", "--from-literal=foo=bar").Output()
o.Expect(err).NotTo(o.HaveOccurred())
_, name, err := createFixture(oc, envRefDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForSyncedConfig(oc, name, deploymentRunTimeout)).NotTo(o.HaveOccurred())
_, err = oc.Run("rollout").Args("latest", "dc/"+name).Output()
o.Expect(err).NotTo(o.HaveOccurred())
out, _ := oc.Run("rollout").Args("status", "dc/"+name).Output()
o.Expect(out).To(o.ContainSubstring("has failed progressing"))
out, err = oc.Run("logs").Args("dc/" + name).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("hello bar"))
})
})
g.Describe("with multiple image change triggers [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-simple", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should run a successful deployment with multiple triggers", func() {
_, name, err := createFixture(oc, multipleICTFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is marked complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
})
g.It("should run a successful deployment with a trigger used by different containers", func() {
_, name, err := createFixture(oc, anotherMultiICTFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is marked complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
})
})
g.Describe("with enhanced status [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-simple", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should include various info in status", func() {
resource, name, err := createFixture(oc, simpleDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is marked complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("verifying that status.replicas is set")
replicas, err := oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.replicas}\"").Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(replicas).To(o.ContainSubstring("1"))
g.By("verifying that status.updatedReplicas is set")
updatedReplicas, err := oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.updatedReplicas}\"").Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(updatedReplicas).To(o.ContainSubstring("1"))
g.By("verifying that status.availableReplicas is set")
availableReplicas, err := oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.availableReplicas}\"").Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(availableReplicas).To(o.ContainSubstring("1"))
g.By("verifying that status.unavailableReplicas is set")
unavailableReplicas, err := oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.unavailableReplicas}\"").Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(unavailableReplicas).To(o.ContainSubstring("0"))
})
})
g.Describe("with custom deployments [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "custom-deployment", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should run the custom deployment steps", func() {
out, err := oc.Run("create").Args("-f", customDeploymentFixture).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, "custom-deployment", deploymentRunTimeout, deploymentRunning)).NotTo(o.HaveOccurred())
out, err = oc.Run("deploy").Args("--follow", "dc/custom-deployment").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is marked complete")
o.Expect(waitForLatestCondition(oc, "custom-deployment", deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("checking the logs for substrings\n%s", out))
o.Expect(out).To(o.ContainSubstring("--> pre: Running hook pod ..."))
o.Expect(out).To(o.ContainSubstring("test pre hook executed"))
o.Expect(out).To(o.ContainSubstring("--> Scaling custom-deployment-1 to 2"))
o.Expect(out).To(o.ContainSubstring("--> Reached 50%"))
o.Expect(out).To(o.ContainSubstring("Halfway"))
o.Expect(out).To(o.ContainSubstring("Finished"))
// FIXME: In some cases the last log messages is lost because of the journald rate
// limiter bug. For this test it should be enough to verify the deployment is marked
// as complete. We should uncomment this once the rate-limiter issues are fixed.
// o.Expect(out).To(o.ContainSubstring("--> Success"))
})
})
g.Describe("viewing rollout history [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-simple", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should print the rollout history", func() {
resource, name, err := createFixture(oc, simpleDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("waiting for the first rollout to complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
dc, err := oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Get(name, metav1.GetOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
g.By("updating the deployment config in order to trigger a new rollout")
_, err = updateConfigWithRetries(oc.AppsClient().Apps(), oc.Namespace(), name, func(update *appsapi.DeploymentConfig) {
one := int64(1)
update.Spec.Template.Spec.TerminationGracePeriodSeconds = &one
})
o.Expect(err).NotTo(o.HaveOccurred())
// Wait for latestVersion=2 to be surfaced in the API
latestVersion := dc.Status.LatestVersion
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
dc, err = oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Get(name, metav1.GetOptions{})
if err != nil {
return false, err
}
latestVersion = dc.Status.LatestVersion
return latestVersion == 2, nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("expected latestVersion: 2, got: %d", latestVersion)
}
o.Expect(err).NotTo(o.HaveOccurred())
g.By("waiting for the second rollout to complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
out, err := oc.Run("rollout").Args("history", resource).Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("checking the history for substrings\n%s", out))
o.Expect(out).To(o.ContainSubstring("deploymentconfigs \"deployment-simple\""))
o.Expect(out).To(o.ContainSubstring("REVISION STATUS CAUSE"))
o.Expect(out).To(o.ContainSubstring("1 Complete config change"))
o.Expect(out).To(o.ContainSubstring("2 Complete config change"))
})
})
g.Describe("generation [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "generation-test", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should deploy based on a status version bump", func() {
resource, name, err := createFixture(oc, generationFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying that both latestVersion and generation are updated")
var generation, version string
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
version, err = oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.latestVersion}\"").Output()
if err != nil {
return false, nil
}
version = strings.Trim(version, "\"")
g.By(fmt.Sprintf("checking the latest version for %s: %s", resource, version))
generation, err = oc.Run("get").Args(resource, "--output=jsonpath=\"{.metadata.generation}\"").Output()
if err != nil {
return false, nil
}
generation = strings.Trim(generation, "\"")
g.By(fmt.Sprintf("checking the generation for %s: %s", resource, generation))
return strings.Contains(generation, "1") && strings.Contains(version, "1"), nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("expected generation: 1, got: %s, expected latestVersion: 1, got: %s", generation, version)
}
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is marked complete")
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("verifying that scaling updates the generation")
_, err = oc.Run("scale").Args(resource, "--replicas=2").Output()
o.Expect(err).NotTo(o.HaveOccurred())
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
generation, err = oc.Run("get").Args(resource, "--output=jsonpath=\"{.metadata.generation}\"").Output()
if err != nil {
return false, nil
}
generation = strings.Trim(generation, "\"")
g.By(fmt.Sprintf("checking the generation for %s: %s", resource, generation))
return strings.Contains(generation, "2"), nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("expected generation: 2, got: %s", generation)
}
o.Expect(err).NotTo(o.HaveOccurred())
g.By("deploying a second time [new client]")
_, err = oc.Run("rollout").Args("latest", name).Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying that both latestVersion and generation are updated")
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
version, err = oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.latestVersion}\"").Output()
if err != nil {
return false, nil
}
version = strings.Trim(version, "\"")
g.By(fmt.Sprintf("checking the latest version for %s: %s", resource, version))
generation, err = oc.Run("get").Args(resource, "--output=jsonpath=\"{.metadata.generation}\"").Output()
if err != nil {
return false, nil
}
generation = strings.Trim(generation, "\"")
g.By(fmt.Sprintf("checking the generation for %s: %s", resource, generation))
return strings.Contains(generation, "3") && strings.Contains(version, "2"), nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("expected generation: 3, got: %s, expected latestVersion: 2, got: %s", generation, version)
}
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying that observedGeneration equals generation")
o.Expect(waitForSyncedConfig(oc, name, deploymentRunTimeout)).NotTo(o.HaveOccurred())
})
})
g.Describe("paused [Conformance]", func() {
dcName := "paused"
g.AfterEach(func() {
failureTrap(oc, dcName, g.CurrentGinkgoTestDescription().Failed)
})
g.It("should disable actions on deployments", func() {
resource, name, err := createFixture(oc, pausedDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(name).To(o.Equal(dcName))
_, rcs, _, err := deploymentInfo(oc, name)
o.Expect(err).NotTo(o.HaveOccurred())
if len(rcs) != 0 {
o.Expect(fmt.Errorf("expected no deployment, found %#v", rcs[0])).NotTo(o.HaveOccurred())
}
g.By("verifying that we cannot start a new deployment via oc deploy")
out, err := oc.Run("deploy").Args(resource, "--latest").Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("cannot deploy a paused deployment config"))
g.By("verifying that we cannot start a new deployment via oc rollout")
out, err = oc.Run("rollout").Args("latest", resource).Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("cannot deploy a paused deployment config"))
g.By("verifying that we cannot cancel a deployment")
out, err = oc.Run("rollout").Args("cancel", resource).Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("unable to cancel paused deployment"))
g.By("verifying that we cannot retry a deployment")
out, err = oc.Run("deploy").Args(resource, "--retry").Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("cannot retry a paused deployment config"))
g.By("verifying that we cannot rollout retry a deployment")
out, err = oc.Run("rollout").Args("retry", resource).Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("unable to retry paused deployment"))
g.By("verifying that we cannot rollback a deployment")
out, err = oc.Run("rollback").Args(resource, "--to-version", "1").Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("cannot rollback a paused deployment config"))
_, rcs, _, err = deploymentInfo(oc, name)
o.Expect(err).NotTo(o.HaveOccurred())
if len(rcs) != 0 {
o.Expect(fmt.Errorf("expected no deployment, found %#v", rcs[0])).NotTo(o.HaveOccurred())
}
_, err = updateConfigWithRetries(oc.AppsClient().Apps(), oc.Namespace(), name, func(dc *appsapi.DeploymentConfig) {
// TODO: oc rollout pause should patch instead of making a full update
dc.Spec.Paused = false
})
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("making sure it updates observedGeneration after being paused")
dc, err := oc.AppsClient().Apps().DeploymentConfigs(oc.Namespace()).Patch(dcName,
types.StrategicMergePatchType, []byte(`{"spec": {"paused": true}}`))
o.Expect(err).NotTo(o.HaveOccurred())
_, err = waitForDCModification(oc, dc.Namespace, dc.Name, deploymentChangeTimeout,
dc.GetResourceVersion(), func(config *appsapi.DeploymentConfig) (bool, error) {
if config.Status.ObservedGeneration >= dc.Generation {
return true, nil
}
return false, nil
})
o.Expect(err).NotTo(o.HaveOccurred(), fmt.Sprintf("failed to wait on generation >= %d to be observed by DC %s/%s", dc.Generation, dc.Namespace, dc.Name))
})
})
g.Describe("with failing hook [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "hook", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should get all logs from retried hooks", func() {
resource, name, err := createFixture(oc, failedHookFixture)
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentPreHookRetried)).NotTo(o.HaveOccurred())
out, err := oc.Run("logs").Args(resource).Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("checking the logs for substrings\n%s", out))
o.Expect(out).To(o.ContainSubstring("--> pre: Running hook pod ..."))
o.Expect(out).To(o.ContainSubstring("pre hook logs"))
o.Expect(out).To(o.ContainSubstring("--> pre: Retrying hook pod (retry #1)"))
})
})
g.Describe("rolled back [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "deployment-simple", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should rollback to an older deployment", func() {
resource, name, err := createFixture(oc, simpleDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
_, err = oc.Run("rollout").Args("latest", name).Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying that we are on the second version")
version := "1"
err = wait.PollImmediate(500*time.Millisecond, 30*time.Second, func() (bool, error) {
latestVersion, err := oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.latestVersion}\"").Output()
if err != nil {
return false, err
}
version = strings.Trim(latestVersion, "\"")
return strings.Contains(version, "2"), nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("expected latestVersion: 2, got: %s", version)
}
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("verifying that we can rollback")
_, err = oc.Run("rollout").Args("undo", resource).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
g.By("verifying that we are on the third version")
version, err = oc.Run("get").Args(resource, "--output=jsonpath=\"{.status.latestVersion}\"").Output()
o.Expect(err).NotTo(o.HaveOccurred())
version = strings.Trim(version, "\"")
o.Expect(version).To(o.ContainSubstring("3"))
})
})
g.Describe("reaper [Conformance][Slow]", func() {
g.AfterEach(func() {
failureTrap(oc, "brokendeployment", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should delete all failed deployer pods and hook pods", func() {
resource, name, err := createFixture(oc, brokenDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("waiting for the deployment to complete")
err = waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentReachedCompletion)
o.Expect(err).To(o.HaveOccurred())
g.By("fetching the deployer pod")
out, err := oc.Run("get").Args("pod", fmt.Sprintf("%s-1-deploy", name)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("Error"))
g.By("fetching the pre-hook pod")
out, err = oc.Run("get").Args("pod", fmt.Sprintf("%s-1-hook-pre", name)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("Error"))
g.By("deleting the deployment config")
out, err = oc.Run("delete").Args(resource).Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("fetching the deployer pod")
out, err = oc.Run("get").Args("pod", fmt.Sprintf("%s-1-deploy", name)).Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("not found"))
g.By("fetching the pre-hook pod")
out, err = oc.Run("get").Args("pod", fmt.Sprintf("%s-1-hook-pre", name)).Output()
o.Expect(err).To(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("not found"))
})
})
g.Describe("initially [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "readiness", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should not deploy if pods never transition to ready", func() {
_, name, err := createFixture(oc, readinessFixture)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("waiting for the deployment to fail")
err = waitForLatestCondition(oc, name, deploymentRunTimeout, deploymentFailed)
o.Expect(err).NotTo(o.HaveOccurred())
})
})
g.Describe("with revision history limits [Conformance]", func() {
g.AfterEach(func() {
failureTrap(oc, "history-limit", g.CurrentGinkgoTestDescription().Failed)
})
g.It("should never persist more old deployments than acceptable after being observed by the controller", func() {
revisionHistoryLimit := 3 // as specified in the fixture
dc, err := createDeploymentConfig(oc, historyLimitedDeploymentFixture)
o.Expect(err).NotTo(o.HaveOccurred())
deploymentTimeout := time.Duration(*dc.Spec.Strategy.RollingParams.TimeoutSeconds) * time.Second
iterations := 10
for i := 0; i < iterations; i++ {
o.Expect(waitForLatestCondition(oc, "history-limit", deploymentTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred(),
"the current deployment needs to have finished before attempting to trigger a new deployment through configuration change")
e2e.Logf("%02d: triggering a new deployment with config change", i)
out, err := oc.Run("set", "env").Args("dc/history-limit", fmt.Sprintf("A=%d", i)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("updated"))
}
o.Expect(waitForSyncedConfig(oc, "history-limit", deploymentRunTimeout)).NotTo(o.HaveOccurred())
g.By("waiting for the deployment to complete")
o.Expect(waitForLatestCondition(oc, "history-limit", deploymentTimeout, deploymentReachedCompletion)).NotTo(o.HaveOccurred())
o.Expect(waitForSyncedConfig(oc, "history-limit", deploymentRunTimeout)).NotTo(o.HaveOccurred(),
"the controller needs to have synced with the updated deployment configuration before checking that the revision history limits are being adhered to")
var pollErr error
err = wait.PollImmediate(1*time.Second, 1*time.Minute, func() (bool, error) {
deploymentConfig, deployments, _, err := deploymentInfo(oc, "history-limit")
if err != nil {
pollErr = err
return false, nil
}
// we need to filter out any deployments that we don't care about,
// namely the active deployment and any newer deployments
oldDeployments := appsutil.DeploymentsForCleanup(deploymentConfig, deployments)
// we should not have more deployments than acceptable
if len(oldDeployments) != revisionHistoryLimit {
pollErr = fmt.Errorf("expected len of old deployments: %d to equal dc revisionHistoryLimit: %d", len(oldDeployments), revisionHistoryLimit)
return false, nil
}
// the deployments we continue to keep should be the latest ones
for _, deployment := range oldDeployments {
o.Expect(appsutil.DeploymentVersionFor(&deployment)).To(o.BeNumerically(">=", iterations-revisionHistoryLimit))
}
return true, nil
})
if err == wait.ErrWaitTimeout {
err = pollErr
}
o.Expect(err).NotTo(o.HaveOccurred())
})
})
g.Describe("with minimum ready seconds set [Conformance]", func() {
dc := readDCFixtureOrDie(minReadySecondsFixture)
rcName := func(i int) string { return fmt.Sprintf("%s-%d", dc.Name, i) }
g.AfterEach(func() {
failureTrap(oc, dc.Name, g.CurrentGinkgoTestDescription().Failed)
})
g.It("should not transition the deployment to Complete before satisfied", func() {
namespace := oc.Namespace()
watcher, err := oc.KubeClient().CoreV1().ReplicationControllers(namespace).Watch(metav1.SingleObject(metav1.ObjectMeta{Name: rcName(1), ResourceVersion: ""}))
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(dc.Spec.Triggers).To(o.BeNil())
// FIXME: remove when tests are migrated to the new client
// (the old one incorrectly translates nil into an empty array)
dc.Spec.Triggers = append(dc.Spec.Triggers, appsapi.DeploymentTriggerPolicy{Type: appsapi.DeploymentTriggerOnConfigChange})
// This is the last place we can safely say that the time was taken before replicas became ready
startTime := time.Now()
dc, err = oc.AppsClient().Apps().DeploymentConfigs(namespace).Create(dc)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("verifying the deployment is created")
rcEvent, err := watch.Until(deploymentChangeTimeout, watcher, func(event watch.Event) (bool, error) {
if event.Type == watch.Added {
return true, nil
}
return false, fmt.Errorf("different kind of event appeared while waiting for Added event: %#v", event)
})
o.Expect(err).NotTo(o.HaveOccurred())
rc1 := rcEvent.Object.(*kapiv1.ReplicationController)
g.By("verifying that all pods are ready")
rc1, err = waitForRCModification(oc, namespace, rc1.Name, deploymentRunTimeout,
rc1.GetResourceVersion(), func(rc *kapiv1.ReplicationController) (bool, error) {
return rc.Status.ReadyReplicas == dc.Spec.Replicas, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(rc1.Status.AvailableReplicas).To(o.BeNumerically("<", rc1.Status.ReadyReplicas))
// We need to log here to have a timestamp to compare with master logs if something goes wrong
e2e.Logf("All replicas are ready.")
g.By("verifying that the deployment is still running")
if appsutil.IsTerminatedDeployment(rc1) {
o.Expect(fmt.Errorf("expected deployment %q not to have terminated", rc1.Name)).NotTo(o.HaveOccurred())
}
g.By("waiting for the deployment to finish")
rc1, err = waitForRCModification(oc, namespace, rc1.Name,
deploymentRunTimeout+time.Duration(dc.Spec.MinReadySeconds)*time.Second,
rc1.GetResourceVersion(), func(rc *kapiv1.ReplicationController) (bool, error) {
if rc.Status.AvailableReplicas == dc.Spec.Replicas {
return true, nil
}
if appsutil.DeploymentStatusFor(rc) == appsapi.DeploymentStatusComplete {
e2e.Logf("Failed RC: %#v", rc)
return false, errors.New("deployment shouldn't be completed before ReadyReplicas become AvailableReplicas")
}
return false, nil
})
// We need to log here to have a timestamp to compare with master logs if something goes wrong
e2e.Logf("Finished waiting for deployment.")
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(time.Since(startTime)).To(o.BeNumerically(">=", time.Duration(dc.Spec.MinReadySeconds)*time.Second),
"Deployment shall not finish before MinReadySeconds elapse.")
o.Expect(rc1.Status.AvailableReplicas).To(o.Equal(dc.Spec.Replicas))
// Deployment status can't be updated yet but should be right after
o.Expect(appsutil.DeploymentStatusFor(rc1)).To(o.Equal(appsapi.DeploymentStatusRunning))
// It should finish right after
rc1, err = waitForRCModification(oc, namespace, rc1.Name, deploymentChangeTimeout,
rc1.GetResourceVersion(), func(rc *kapiv1.ReplicationController) (bool, error) {
return appsutil.DeploymentStatusFor(rc) == appsapi.DeploymentStatusComplete, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
// We might check that minReadySecond passed between pods becoming ready
// and available but I don't think there is a way to get a timestamp from events
// and other ways are just flaky.
// But since we are reusing MinReadySeconds and AvailableReplicas from RC it should be tested there
})
})