// buildAndPushTestImagesTo builds a given number of test images. The images are pushed to a new image stream
// of given name under <tagPrefix><X> where X is a number of image starting from 1.
func buildAndPushTestImagesTo(oc *exutil.CLI, isName string, tagPrefix string, numberOfImages int) (tag2Image map[string]imageapi.Image, err error) {
dClient, err := testutil.NewDockerClient()
if err != nil {
return
}
tag2Image = make(map[string]imageapi.Image)
for i := 1; i <= numberOfImages; i++ {
tag := fmt.Sprintf("%s%d", tagPrefix, i)
dgst, err := imagesutil.BuildAndPushImageOfSizeWithDocker(oc, dClient, isName, tag, imageSize, 2, g.GinkgoWriter, true)
if err != nil {
return nil, err
}
ist, err := oc.Client().ImageStreamTags(oc.Namespace()).Get(isName, tag)
if err != nil {
return nil, err
}
if dgst != ist.Image.Name {
return nil, fmt.Errorf("digest of built image does not match stored: %s != %s", dgst, ist.Image.Name)
}
tag2Image[tag] = ist.Image
}
return
}
// ensureRegistryAcceptsSchema2 checks whether the registry is configured to accept manifests V2 schema 2 or
// not. If the result doesn't match given accept argument, registry's deployment config is updated accordingly
// and the function blocks until the registry is re-deployed and ready for new requests.
func ensureRegistryAcceptsSchema2(oc *exutil.CLI, accept bool) error {
ns := oc.Namespace()
oc = oc.SetNamespace(kapi.NamespaceDefault).AsAdmin()
defer oc.SetNamespace(ns)
env, err := oc.Run("env").Args("dc/docker-registry", "--list").Output()
if err != nil {
return err
}
value := fmt.Sprintf("%s=%t", dockerregistryserver.AcceptSchema2EnvVar, accept)
if strings.Contains(env, value) {
if accept {
g.By("docker-registry is already configured to accept schema 2")
} else {
g.By("docker-registry is already configured to refuse schema 2")
}
return nil
}
dc, err := oc.Client().DeploymentConfigs(kapi.NamespaceDefault).Get("docker-registry")
if err != nil {
return err
}
waitForVersion := dc.Status.LatestVersion + 1
g.By("configuring Docker registry to accept schema 2")
err = oc.Run("env").Args("dc/docker-registry", value).Execute()
if err != nil {
return fmt.Errorf("failed to update registry's environment with %s: %v", &waitForVersion, err)
}
return exutil.WaitForRegistry(oc.AdminClient(), oc.AdminKubeClient(), &waitForVersion, oc)
}
// bumpLimit changes the limit value for given resource for all the limit types of limit range object
func bumpLimit(oc *exutil.CLI, resourceName kapi.ResourceName, limit string) (kapi.ResourceList, error) {
g.By(fmt.Sprintf("bump a limit on resource %q to %s", resourceName, limit))
lr, err := oc.AdminKubeClient().Core().LimitRanges(oc.Namespace()).Get(limitRangeName)
if err != nil {
return nil, err
}
res := kapi.ResourceList{}
change := false
for i := range lr.Spec.Limits {
item := &lr.Spec.Limits[i]
if old, exists := item.Max[resourceName]; exists {
for k, v := range item.Max {
res[k] = v
}
parsed := resource.MustParse(limit)
if old.Cmp(parsed) != 0 {
item.Max[resourceName] = parsed
change = true
}
}
}
if !change {
return res, nil
}
_, err = oc.AdminKubeClient().Core().LimitRanges(oc.Namespace()).Update(lr)
return res, err
}
func assertEnvVars(oc *exutil.CLI, buildPrefix string, varsToFind map[string]string) {
buildList, err := oc.REST().Builds(oc.Namespace()).List(kapi.ListOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
// Ensure that expected start-build environment variables were injected
for _, build := range buildList.Items {
ginkgolog("Found build: %q", build.GetName())
if strings.HasPrefix(build.GetName(), buildPrefix) {
envs := []kapi.EnvVar{}
if build.Spec.Strategy.DockerStrategy != nil && build.Spec.Strategy.DockerStrategy.Env != nil {
envs = build.Spec.Strategy.DockerStrategy.Env
} else if build.Spec.Strategy.SourceStrategy != nil && build.Spec.Strategy.SourceStrategy.Env != nil {
envs = build.Spec.Strategy.SourceStrategy.Env
} else {
continue
}
for k, v := range varsToFind {
found := false
for _, env := range envs {
ginkgolog("Found %s=%s in build %s", env.Name, env.Value, build.GetName())
if k == env.Name && v == env.Value {
found = true
break
}
}
o.ExpectWithOffset(1, found).To(o.BeTrue())
}
}
}
}
// waitForAnImageStreamTag waits until an image stream with given name has non-empty history for given tag
func waitForAnImageStreamTag(oc *exutil.CLI, name, tag string) error {
g.By(fmt.Sprintf("waiting for an is importer to import a tag %s into a stream %s", tag, name))
start := time.Now()
c := make(chan error)
go func() {
err := exutil.WaitForAnImageStream(
oc.REST().ImageStreams(oc.Namespace()),
name,
func(is *imageapi.ImageStream) bool {
if history, exists := is.Status.Tags[tag]; !exists || len(history.Items) == 0 {
return false
}
return true
},
func(is *imageapi.ImageStream) bool {
return time.Now().After(start.Add(waitTimeout))
})
c <- err
}()
select {
case e := <-c:
return e
case <-time.After(waitTimeout):
return fmt.Errorf("timed out while waiting of an image stream tag %s/%s:%s", oc.Namespace(), name, tag)
}
}
// waitForLimitSync waits until a usage of a quota reaches given limit with a short timeout
func waitForLimitSync(oc *exutil.CLI, hardLimit kapi.ResourceList) error {
g.By(fmt.Sprintf("waiting for resource quota %s to get updated", quotaName))
return testutil.WaitForResourceQuotaLimitSync(
oc.KubeClient().Core().ResourceQuotas(oc.Namespace()),
quotaName,
hardLimit,
waitTimeout)
}
func doesRegistryAcceptSchema2(oc *exutil.CLI) (bool, error) {
ns := oc.Namespace()
defer oc.SetNamespace(ns)
env, err := oc.SetNamespace(kapi.NamespaceDefault).AsAdmin().Run("env").Args("dc/docker-registry", "--list").Output()
if err != nil {
return false, err
}
return strings.Contains(env, fmt.Sprintf("%s=true", dockerregistryserver.AcceptSchema2EnvVar)), nil
}
func waitForNoPodsAvailable(oc *exutil.CLI) error {
return wait.Poll(200*time.Millisecond, 2*time.Minute, func() (bool, error) {
//ep, err := oc.KubeClient().Core().Endpoints(oc.Namespace()).Get(serviceName)
pods, err := oc.KubeClient().Core().Pods(oc.Namespace()).List(kapi.ListOptions{})
if err != nil {
return false, err
}
return len(pods.Items) == 0, nil
})
}
func waitForEndpointsAvailable(oc *exutil.CLI, serviceName string) error {
return wait.Poll(200*time.Millisecond, 2*time.Minute, func() (bool, error) {
ep, err := oc.KubeClient().Core().Endpoints(oc.Namespace()).Get(serviceName)
// Tolerate NotFound b/c it could take a moment for the endpoints to be created
if errors.TolerateNotFoundError(err) != nil {
return false, err
}
return (len(ep.Subsets) > 0) && (len(ep.Subsets[0].Addresses) > 0), nil
})
}
// Finds the pod running Jenkins
func FindJenkinsPod(oc *exutil.CLI) *kapi.Pod {
pods, err := exutil.GetDeploymentConfigPods(oc, "jenkins")
o.ExpectWithOffset(1, err).NotTo(o.HaveOccurred())
if pods == nil || pods.Items == nil {
g.Fail("No pods matching jenkins deploymentconfig in namespace " + oc.Namespace())
}
o.ExpectWithOffset(1, len(pods.Items)).To(o.Equal(1))
return &pods.Items[0]
}
// QueryPrivileged executes an SQL query as a root user and returns the result.
func (m MySQL) QueryPrivileged(oc *util.CLI, query string) (string, error) {
container, err := firstContainerName(oc.KubeREST().Pods(oc.Namespace()), m.podName)
if err != nil {
return "", err
}
masterConf, err := getPodConfig(oc.KubeREST().Pods(oc.Namespace()), m.masterPodName)
if err != nil {
return "", err
}
return oc.Run("exec").Args(m.podName, "-c", container, "--", "bash", "-c",
fmt.Sprintf("mysql -h 127.0.0.1 -uroot -e \"%s\" %s",
query, masterConf.Env["MYSQL_DATABASE"])).Output()
}
// waitForResourceQuotaSync waits until a usage of a quota reaches given limit with a short timeout
func waitForResourceQuotaSync(oc *exutil.CLI, name string, expectedResources kapi.ResourceList) (kapi.ResourceList, error) {
g.By(fmt.Sprintf("waiting for resource quota %s to get updated", name))
used, err := exutil.WaitForResourceQuotaSync(
oc.KubeClient().Core().ResourceQuotas(oc.Namespace()),
quotaName,
expectedResources,
false,
waitTimeout,
)
if err != nil {
return nil, err
}
return used, nil
}
// QueryPrivileged executes an SQL query as a root user and returns the result.
func (m PostgreSQL) QueryPrivileged(oc *util.CLI, query string) (string, error) {
container, err := firstContainerName(oc.KubeClient().Core().Pods(oc.Namespace()), m.podName)
if err != nil {
return "", err
}
masterConf, err := getPodConfig(oc.KubeClient().Core().Pods(oc.Namespace()), m.masterPodName)
if err != nil {
return "", err
}
return oc.Run("exec").Args(m.podName, "-c", container, "--", "bash", "-c",
fmt.Sprintf("psql postgres://postgres:%[email protected]/%s -x -c \"%s\"",
masterConf.Env["POSTGRESQL_ADMIN_PASSWORD"],
masterConf.Env["POSTGRESQL_DATABASE"], query)).Output()
}
// deleteTestImages deletes test images built in current and shared
// namespaces. It also deletes shared projects.
func deleteTestImages(oc *exutil.CLI) {
g.By(fmt.Sprintf("Deleting images and image streams in project %q", oc.Namespace()))
iss, err := oc.AdminClient().ImageStreams(oc.Namespace()).List(kapi.ListOptions{})
if err != nil {
return
}
for _, is := range iss.Items {
for _, history := range is.Status.Tags {
for i := range history.Items {
oc.AdminClient().Images().Delete(history.Items[i].Image)
}
}
}
}
// ModifySourceCode will modify source code in the pod of the application
// according to the sed script.
func ModifySourceCode(oc *exutil.CLI, selector labels.Selector, sedScript, file string) error {
pods, err := exutil.WaitForPods(oc.KubeREST().Pods(oc.Namespace()), selector, exutil.CheckPodIsRunningFunc, 1, 120*time.Second)
if err != nil {
return err
}
if len(pods) != 1 {
return fmt.Errorf("Got %d pods for selector %v, expected 1", len(pods), selector)
}
pod, err := oc.KubeREST().Pods(oc.Namespace()).Get(pods[0])
if err != nil {
return err
}
return oc.Run("exec").Args(pod.Name, "-c", pod.Spec.Containers[0].Name, "--", "sed", "-ie", sedScript, file).Execute()
}
// TestRemoteLogin will test whether we can login through to a remote database.
func (m MySQL) TestRemoteLogin(oc *util.CLI, hostAddress string) error {
container, err := firstContainerName(oc.KubeREST().Pods(oc.Namespace()), m.podName)
if err != nil {
return err
}
masterConf, err := getPodConfig(oc.KubeREST().Pods(oc.Namespace()), m.masterPodName)
if err != nil {
return err
}
err = oc.Run("exec").Args(m.podName, "-c", container, "--", "bash", "-c",
fmt.Sprintf("mysql -h %s -u%s -p%s -e \"SELECT 1;\" %s",
hostAddress, masterConf.Env["MYSQL_USER"], masterConf.Env["MYSQL_PASSWORD"],
masterConf.Env["MYSQL_DATABASE"])).Execute()
return err
}
func waitForNumberOfPodsWithLabel(oc *exutil.CLI, number int, label string) []string {
g.By(fmt.Sprintf("expecting that there are %d running pods with label name=%s", number, label))
podNames, err := exutil.WaitForPods(
oc.KubeClient().Core().Pods(oc.Namespace()),
exutil.ParseLabelsOrDie("name="+label),
exutil.CheckPodIsRunningFn,
number,
1*time.Minute,
)
o.Expect(err).ShouldNot(o.HaveOccurred())
o.Expect(podNames).Should(o.HaveLen(number))
return podNames
}
// TestRemoteLogin will test whether we can login through to a remote database.
func (m PostgreSQL) TestRemoteLogin(oc *util.CLI, hostAddress string) error {
container, err := firstContainerName(oc.KubeClient().Core().Pods(oc.Namespace()), m.podName)
if err != nil {
return err
}
masterConf, err := getPodConfig(oc.KubeClient().Core().Pods(oc.Namespace()), m.masterPodName)
if err != nil {
return err
}
err = oc.Run("exec").Args(m.podName, "-c", container, "--", "bash", "-c",
fmt.Sprintf("psql postgres://%s:%s@%s/%s -x -c \"SELECT 1;\"",
masterConf.Env["POSTGRESQL_USER"], masterConf.Env["POSTGRESQL_PASSWORD"],
hostAddress, masterConf.Env["POSTGRESQL_DATABASE"])).Execute()
return err
}
func waitForSyncedConfig(oc *exutil.CLI, name string, timeout time.Duration) error {
dc, rcs, pods, err := deploymentInfo(oc, name)
if err != nil {
return err
}
if err := checkDeploymentInvariants(dc, rcs, pods); err != nil {
return err
}
generation := dc.Generation
return wait.PollImmediate(200*time.Millisecond, timeout, func() (bool, error) {
config, err := oc.REST().DeploymentConfigs(oc.Namespace()).Get(name)
if err != nil {
return false, err
}
return deployutil.HasSynced(config, generation), nil
})
}
// IsReady pings the MySQL server.
func (m MySQL) IsReady(oc *util.CLI) (bool, error) {
conf, err := getPodConfig(oc.KubeREST().Pods(oc.Namespace()), m.podName)
if err != nil {
return false, err
}
out, err := oc.Run("exec").Args(m.podName, "-c", conf.Container, "--", "bash", "-c",
"mysqladmin -h 127.0.0.1 -uroot ping").Output()
if err != nil {
switch err.(type) {
case *util.ExitError, *exec.ExitError:
return false, nil
default:
return false, err
}
}
return strings.Contains(out, "mysqld is alive"), nil
}
// IsReady pings the PostgreSQL server.
func (m PostgreSQL) IsReady(oc *util.CLI) (bool, error) {
conf, err := getPodConfig(oc.KubeClient().Core().Pods(oc.Namespace()), m.podName)
if err != nil {
return false, err
}
out, err := oc.Run("exec").Args(m.podName, "-c", conf.Container, "--", "bash", "-c",
"psql postgresql://[email protected] -x -c \"SELECT 1;\"").Output()
if err != nil {
switch err.(type) {
case *util.ExitError, *exec.ExitError:
return false, nil
default:
return false, err
}
}
return strings.Contains(out, "-[ RECORD 1 ]\n?column? | 1"), nil
}
// RunInPodContainer will run provided command in the specified pod container.
func RunInPodContainer(oc *exutil.CLI, selector labels.Selector, cmd []string) error {
pods, err := exutil.WaitForPods(oc.KubeREST().Pods(oc.Namespace()), selector, exutil.CheckPodIsRunningFn, 1, 2*time.Minute)
if err != nil {
return err
}
if len(pods) != 1 {
return fmt.Errorf("Got %d pods for selector %v, expected 1", len(pods), selector)
}
pod, err := oc.KubeREST().Pods(oc.Namespace()).Get(pods[0])
if err != nil {
return err
}
args := []string{pod.Name, "-c", pod.Spec.Containers[0].Name, "--"}
args = append(args, cmd...)
return oc.Run("exec").Args(args...).Execute()
}
// bumpQuota modifies hard spec of quota object with the given value. It returns modified hard spec.
func bumpQuota(oc *exutil.CLI, resourceName kapi.ResourceName, value int64) (kapi.ResourceList, error) {
g.By(fmt.Sprintf("bump the quota to %s=%d", resourceName, value))
rq, err := oc.AdminKubeClient().Core().ResourceQuotas(oc.Namespace()).Get(quotaName)
if err != nil {
return nil, err
}
rq.Spec.Hard[resourceName] = *resource.NewQuantity(value, resource.DecimalSI)
_, err = oc.AdminKubeClient().Core().ResourceQuotas(oc.Namespace()).Update(rq)
if err != nil {
return nil, err
}
err = waitForLimitSync(oc, rq.Spec.Hard)
if err != nil {
return nil, err
}
return rq.Spec.Hard, nil
}
// createResourceQuota creates a resource quota with given hard limits in a current namespace and waits until
// a first usage refresh
func createResourceQuota(oc *exutil.CLI, hard kapi.ResourceList) (*kapi.ResourceQuota, error) {
rq := &kapi.ResourceQuota{
ObjectMeta: kapi.ObjectMeta{
Name: quotaName,
},
Spec: kapi.ResourceQuotaSpec{
Hard: hard,
},
}
g.By(fmt.Sprintf("creating resource quota with a limit %v", hard))
rq, err := oc.AdminKubeClient().Core().ResourceQuotas(oc.Namespace()).Create(rq)
if err != nil {
return nil, err
}
err = waitForLimitSync(oc, hard)
return rq, err
}
// createLimitRangeOfType creates a new limit range object with given limits for given limit type in current namespace
func createLimitRangeOfType(oc *exutil.CLI, limitType kapi.LimitType, maxLimits kapi.ResourceList) (*kapi.LimitRange, error) {
lr := &kapi.LimitRange{
ObjectMeta: kapi.ObjectMeta{
Name: limitRangeName,
},
Spec: kapi.LimitRangeSpec{
Limits: []kapi.LimitRangeItem{
{
Type: limitType,
Max: maxLimits,
},
},
},
}
g.By(fmt.Sprintf("creating limit range object %q with %s limited to: %v", limitRangeName, limitType, maxLimits))
lr, err := oc.AdminKubeClient().Core().LimitRanges(oc.Namespace()).Create(lr)
return lr, err
}
func getRegistryStorageSize(oc *exutil.CLI) (int64, error) {
ns := oc.Namespace()
defer oc.SetNamespace(ns)
out, err := oc.SetNamespace(kapi.NamespaceDefault).AsAdmin().Run("rsh").Args("dc/docker-registry", "du", "--bytes", "--summarize", "/registry/docker/registry").Output()
if err != nil {
return 0, err
}
m := regexp.MustCompile(`^\d+`).FindString(out)
if len(m) == 0 {
return 0, fmt.Errorf("failed to parse du output: %s", out)
}
size, err := strconv.ParseInt(m, 10, 64)
if err != nil {
return 0, fmt.Errorf("failed to parse du output: %s", m)
}
return size, nil
}
// NewRef creates a jenkins reference from an OC client
func NewRef(oc *exutil.CLI) *JenkinsRef {
g.By("get ip and port for jenkins service")
serviceIP, err := oc.Run("get").Args("svc", "jenkins", "--config", exutil.KubeConfigPath()).Template("{{.spec.clusterIP}}").Output()
o.Expect(err).NotTo(o.HaveOccurred())
port, err := oc.Run("get").Args("svc", "jenkins", "--config", exutil.KubeConfigPath()).Template("{{ $x := index .spec.ports 0}}{{$x.port}}").Output()
o.Expect(err).NotTo(o.HaveOccurred())
g.By("get admin password")
password := GetAdminPassword(oc)
o.Expect(password).ShouldNot(o.BeEmpty())
j := &JenkinsRef{
oc: oc,
host: serviceIP,
port: port,
namespace: oc.Namespace(),
password: password,
}
return j
}
// Stands up a simple pod which can be used for exec commands
func initExecPod(oc *exutil.CLI) *kapi.Pod {
// Create a running pod in which we can execute our commands
oc.Run("run").Args("centos", "--image", "centos:7", "--command", "--", "sleep", "1800").Execute()
var targetPod *kapi.Pod
err := wait.Poll(10*time.Second, 10*time.Minute, func() (bool, error) {
pods, err := oc.KubeClient().Core().Pods(oc.Namespace()).List(kapi.ListOptions{})
o.ExpectWithOffset(1, err).NotTo(o.HaveOccurred())
for _, p := range pods.Items {
if strings.HasPrefix(p.Name, "centos") && !strings.Contains(p.Name, "deploy") && p.Status.Phase == "Running" {
targetPod = &p
return true, nil
}
}
return false, nil
})
o.ExpectWithOffset(1, err).NotTo(o.HaveOccurred())
return targetPod
}
func checkSingleIdle(oc *exutil.CLI, idlingFile string, resources map[string][]string, resourceName string, kind string) {
g.By("Idling the service")
_, err := oc.Run("idle").Args("--resource-names-file", idlingFile).Output()
o.Expect(err).ToNot(o.HaveOccurred())
g.By("Ensuring the scale is zero (and stays zero)")
objName := resources[resourceName][0]
// make sure we don't get woken up by an incorrect router health check or anything like that
o.Consistently(func() (string, error) {
return oc.Run("get").Args(resourceName+"/"+objName, "--output=jsonpath=\"{.spec.replicas}\"").Output()
}, 20*time.Second, 500*time.Millisecond).Should(o.ContainSubstring("0"))
g.By("Fetching the service and checking the annotations are present")
serviceName := resources["service"][0]
endpoints, err := oc.KubeREST().Endpoints(oc.Namespace()).Get(serviceName)
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(endpoints.Annotations).To(o.HaveKey(unidlingapi.IdledAtAnnotation))
o.Expect(endpoints.Annotations).To(o.HaveKey(unidlingapi.UnidleTargetAnnotation))
g.By("Checking the idled-at time")
idledAtAnnotation := endpoints.Annotations[unidlingapi.IdledAtAnnotation]
idledAtTime, err := time.Parse(time.RFC3339, idledAtAnnotation)
o.Expect(err).ToNot(o.HaveOccurred())
o.Expect(idledAtTime).To(o.BeTemporally("~", time.Now(), 5*time.Minute))
g.By("Checking the idle targets")
unidleTargetAnnotation := endpoints.Annotations[unidlingapi.UnidleTargetAnnotation]
unidleTargets := []unidlingapi.RecordedScaleReference{}
err = json.Unmarshal([]byte(unidleTargetAnnotation), &unidleTargets)
o.Expect(err).ToNot(o.HaveOccurred())
o.Expect(unidleTargets).To(o.Equal([]unidlingapi.RecordedScaleReference{
{
Replicas: 2,
CrossGroupObjectReference: unidlingapi.CrossGroupObjectReference{
Name: resources[resourceName][0],
Kind: kind,
},
},
}))
}
func cleanup(oc *exutil.CLI) {
exutil.DumpImageStreams(oc)
oc.AsAdmin().Run("delete").Args("all", "--all", "-n", oc.Namespace()).Execute()
exutil.DumpImageStreams(oc)
oc.AsAdmin().Run("delete").Args("pvc", "--all", "-n", oc.Namespace()).Execute()
exutil.CleanupHostPathVolumes(oc.AdminKubeClient().Core().PersistentVolumes(), oc.Namespace())
}