forked from openshift/origin
/
common.go
311 lines (279 loc) · 9.57 KB
/
common.go
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package dr
import (
"bytes"
"fmt"
"os/exec"
"strings"
"text/tabwriter"
"time"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/dynamic"
e2e "k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2essh "k8s.io/kubernetes/test/e2e/framework/ssh"
"github.com/openshift/origin/test/e2e/upgrade"
exutil "github.com/openshift/origin/test/extended/util"
o "github.com/onsi/gomega"
"github.com/stretchr/objx"
)
const (
operatorWait = 15 * time.Minute
)
func runCommandAndRetry(command string) string {
const (
maxRetries = 10
pause = 10
)
var (
retryCount = 0
out []byte
err error
)
e2elog.Logf("command '%s'", command)
for retryCount = 0; retryCount <= maxRetries; retryCount++ {
out, err = exec.Command("bash", "-c", command).CombinedOutput()
e2elog.Logf("output:\n%s", out)
if err == nil {
break
}
e2elog.Logf("%v", err)
time.Sleep(time.Second * pause)
}
o.Expect(retryCount).NotTo(o.Equal(maxRetries + 1))
return string(out)
}
func masterNodes(oc *exutil.CLI) []*corev1.Node {
masterNodes, err := oc.AdminKubeClient().CoreV1().Nodes().List(metav1.ListOptions{
LabelSelector: "node-role.kubernetes.io/master",
})
o.Expect(err).NotTo(o.HaveOccurred())
var nodes []*corev1.Node
for i := range masterNodes.Items {
node := &masterNodes.Items[i]
nodes = append(nodes, node)
}
return nodes
}
func constructEtcdConnectionString(masters []string) string {
//TODO vrutkovs: replace this nonsense with `etcdctl member list -w json ...`
etcdConnectionString := ""
for _, master := range masters {
result, err := e2essh.SSH("cat /run/etcd/environment", master+":22", e2e.TestContext.Provider)
o.Expect(err).NotTo(o.HaveOccurred())
var entry string
for _, entry = range strings.Split(result.Stdout, "\n") {
if strings.HasPrefix(entry, "ETCD_DNS_NAME=") {
break
}
}
etcdDNSName := strings.Split(entry, "=")[1]
o.Expect(etcdDNSName).NotTo(o.BeEmpty())
etcdConnectionString = fmt.Sprintf("%setcd-member-%s=https://%s:2380,", etcdConnectionString, master, etcdDNSName)
}
return etcdConnectionString[:len(etcdConnectionString)-1]
}
func waitForMastersToUpdate(oc *exutil.CLI, mcps dynamic.NamespaceableResourceInterface) {
e2elog.Logf("Waiting for MachineConfig master to finish rolling out")
err := wait.Poll(30*time.Second, 30*time.Minute, func() (done bool, err error) {
return upgrade.IsPoolUpdated(mcps, "master")
})
o.Expect(err).NotTo(o.HaveOccurred())
}
func waitForOperatorsToSettle(coc dynamic.NamespaceableResourceInterface) {
var lastErr error
// gate on all clusteroperators being ready
available := make(map[string]struct{})
lastErr = nil
var lastCOs []objx.Map
wait.PollImmediate(30*time.Second, operatorWait, func() (bool, error) {
obj, err := coc.List(metav1.ListOptions{})
if err != nil {
lastErr = err
e2elog.Logf("Unable to check for cluster operators: %v", err)
return false, nil
}
cv := objx.Map(obj.UnstructuredContent())
lastErr = nil
items := objects(cv.Get("items"))
lastCOs = items
if len(items) == 0 {
return false, nil
}
var unavailable []objx.Map
var unavailableNames []string
for _, co := range items {
if condition(co, "Available").Get("status").String() != "True" {
ns := co.Get("metadata.namespace").String()
name := co.Get("metadata.name").String()
unavailableNames = append(unavailableNames, fmt.Sprintf("%s/%s", ns, name))
unavailable = append(unavailable, co)
break
}
if condition(co, "Progressing").Get("status").String() != "False" {
ns := co.Get("metadata.namespace").String()
name := co.Get("metadata.name").String()
unavailableNames = append(unavailableNames, fmt.Sprintf("%s/%s", ns, name))
unavailable = append(unavailable, co)
break
}
if condition(co, "Degraded").Get("status").String() != "False" {
ns := co.Get("metadata.namespace").String()
name := co.Get("metadata.name").String()
unavailableNames = append(unavailableNames, fmt.Sprintf("%s/%s", ns, name))
unavailable = append(unavailable, co)
break
}
}
if len(unavailable) > 0 {
e2elog.Logf("Operators still doing work: %s", strings.Join(unavailableNames, ", "))
return false, nil
}
return true, nil
})
o.Expect(lastErr).NotTo(o.HaveOccurred())
var unavailable []string
buf := &bytes.Buffer{}
w := tabwriter.NewWriter(buf, 0, 4, 1, ' ', 0)
fmt.Fprintf(w, "NAMESPACE\tNAME\tPROGRESSING\tAVAILABLE\tVERSION\tMESSAGE\n")
for _, co := range lastCOs {
ns := co.Get("metadata.namespace").String()
name := co.Get("metadata.name").String()
if condition(co, "Available").Get("status").String() != "True" {
unavailable = append(unavailable, fmt.Sprintf("%s/%s", ns, name))
} else {
available[fmt.Sprintf("%s/%s", ns, name)] = struct{}{}
}
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\n",
ns,
name,
condition(co, "Progressing").Get("status").String(),
condition(co, "Available").Get("status").String(),
co.Get("status.version").String(),
condition(co, "Degraded").Get("message").String(),
)
}
w.Flush()
e2elog.Logf("ClusterOperators:\n%s", buf.String())
if len(unavailable) > 0 {
e2e.Failf("Some cluster operators never became available %s", strings.Join(unavailable, ", "))
}
// Check at least one core operator is available
if len(available) == 0 {
e2e.Failf("There must be at least one cluster operator")
}
}
func restartSDNPods(oc *exutil.CLI) {
e2elog.Logf("Restarting SDN")
pods, err := oc.AdminKubeClient().CoreV1().Pods("openshift-sdn").List(metav1.ListOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
for _, pod := range pods.Items {
e2elog.Logf("Deleting pod %s", pod.Name)
err := oc.AdminKubeClient().CoreV1().Pods("openshift-sdn").Delete(pod.Name, &metav1.DeleteOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
}
err = wait.Poll(10*time.Second, 5*time.Minute, func() (done bool, err error) {
sdnDaemonset, err := oc.AdminKubeClient().AppsV1().DaemonSets("openshift-sdn").Get("sdn", metav1.GetOptions{})
if err != nil {
return false, nil
}
return sdnDaemonset.Status.NumberReady == sdnDaemonset.Status.NumberAvailable, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
}
func restartOpenshiftAPIPods(oc *exutil.CLI) {
e2elog.Logf("Restarting Openshift API server")
pods, err := oc.AdminKubeClient().CoreV1().Pods("openshift-apiserver").List(metav1.ListOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
for _, pod := range pods.Items {
e2elog.Logf("Deleting pod %s", pod.Name)
err := oc.AdminKubeClient().CoreV1().Pods("openshift-apiserver").Delete(pod.Name, &metav1.DeleteOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
}
err = wait.Poll(10*time.Second, 5*time.Minute, func() (done bool, err error) {
apiServerDS, err := oc.AdminKubeClient().AppsV1().DaemonSets("openshift-apiserver").Get("apiserver", metav1.GetOptions{})
if err != nil {
return false, nil
}
return apiServerDS.Status.NumberReady == apiServerDS.Status.NumberAvailable, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
}
func restartMCDPods(oc *exutil.CLI) {
e2elog.Logf("Restarting MCD pods")
pods, err := oc.AdminKubeClient().CoreV1().Pods("openshift-machine-config-operator").List(metav1.ListOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
for _, pod := range pods.Items {
e2elog.Logf("Deleting pod %s", pod.Name)
err := oc.AdminKubeClient().CoreV1().Pods("openshift-machine-config-operator").Delete(pod.Name, &metav1.DeleteOptions{})
o.Expect(err).NotTo(o.HaveOccurred())
}
err = wait.Poll(10*time.Second, 5*time.Minute, func() (done bool, err error) {
mcDS, err := oc.AdminKubeClient().AppsV1().DaemonSets("openshift-machine-config-operator").Get("machine-config-daemon", metav1.GetOptions{})
if err != nil {
return false, nil
}
return mcDS.Status.NumberReady == mcDS.Status.NumberAvailable, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
}
func objects(from *objx.Value) []objx.Map {
var values []objx.Map
switch {
case from.IsObjxMapSlice():
return from.ObjxMapSlice()
case from.IsInterSlice():
for _, i := range from.InterSlice() {
if msi, ok := i.(map[string]interface{}); ok {
values = append(values, objx.Map(msi))
}
}
}
return values
}
func condition(cv objx.Map, condition string) objx.Map {
for _, obj := range objects(cv.Get("status.conditions")) {
if obj.Get("type").String() == condition {
return obj
}
}
return objx.Map(nil)
}
func nodeConditionStatus(conditions []corev1.NodeCondition, conditionType corev1.NodeConditionType) corev1.ConditionStatus {
for _, condition := range conditions {
if condition.Type == conditionType {
return condition.Status
}
}
return corev1.ConditionUnknown
}
func countReady(items []corev1.Node) int {
ready := 0
for _, item := range items {
if nodeConditionStatus(item.Status.Conditions, corev1.NodeReady) == corev1.ConditionTrue {
ready++
}
}
return ready
}
func fetchFileContents(node *corev1.Node, path string) string {
e2elog.Logf("Fetching %s file contents from %s", path, node.Name)
out, err := ssh(fmt.Sprintf("cat %q", path), node)
o.Expect(err).NotTo(o.HaveOccurred())
if len(out.Stderr) > 0 {
e2elog.Logf("file content stderr:\n%s", out.Stderr)
}
return out.Stdout
}
func expectSSH(cmd string, node *corev1.Node) {
e2elog.Logf("cmd[%s]: %s", node.Name, cmd)
out, err := e2essh.IssueSSHCommandWithResult(cmd, e2e.TestContext.Provider, node)
o.Expect(err).NotTo(o.HaveOccurred())
if len(out.Stderr) > 0 {
e2elog.Logf("command %q stderr:\n%s", cmd, out.Stderr)
}
}
func ssh(cmd string, node *corev1.Node) (*e2essh.Result, error) {
return e2essh.IssueSSHCommandWithResult(cmd, e2e.TestContext.Provider, node)
}