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Commit 2fffe48e authored by Erick Fejta's avatar Erick Fejta
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Convert hack/e2e.go to a test-infra/kubetest shim

parent c84f3abc
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hack/.linted_packages
View file @ 2fffe48e
...@@ -54,6 +54,7 @@ federation/cmd/federation-apiserver ...@@ -54,6 +54,7 @@ federation/cmd/federation-apiserver
federation/cmd/federation-controller-manager federation/cmd/federation-controller-manager
federation/cmd/genfeddocs federation/cmd/genfeddocs
federation/cmd/kubefed federation/cmd/kubefed
hack
hack/boilerplate/test hack/boilerplate/test
hack/cmd/teststale hack/cmd/teststale
pkg/api pkg/api
......
hack/OWNERS
View file @ 2fffe48e
reviewers: reviewers:
- eparis - eparis
- fejta
- ixdy - ixdy
- jbeda - jbeda
- lavalamp - lavalamp
...@@ -8,6 +9,7 @@ reviewers: ...@@ -8,6 +9,7 @@ reviewers:
approvers: approvers:
- deads2k - deads2k
- eparis - eparis
- fejta
- ixdy - ixdy
- jbeda - jbeda
- lavalamp - lavalamp
......
hack/e2e.go
View file @ 2fffe48e
...@@ -14,968 +14,144 @@ See the License for the specific language governing permissions and ...@@ -14,968 +14,144 @@ See the License for the specific language governing permissions and
limitations under the License. limitations under the License.
*/ */
// e2e.go runs the e2e test suite. No non-standard package dependencies; call with "go run". // User-interface for test-infra/kubetest/e2e.go
// Equivalent to go get -u k8s.io/test-infra/kubetest && kubetest "${@}"
package main package main
import ( import (
"bytes"
"encoding/xml"
"flag" "flag"
"fmt" "fmt"
"io/ioutil" "go/build"
"log" "log"
"os" "os"
"os/exec" "os/exec"
"os/signal"
"os/user"
"path/filepath" "path/filepath"
"regexp"
"strconv"
"strings" "strings"
"syscall"
"text/template"
"time" "time"
) )
var ( type flags struct {
interrupt = time.NewTimer(time.Duration(0)) // interrupt testing at this time. get bool
terminate = time.NewTimer(time.Duration(0)) // terminate testing at this time. old time.Duration
// TODO(fejta): change all these _ flags to - args []string
build = flag.Bool("build", false, "If true, build a new release. Otherwise, use whatever is there.")
checkVersionSkew = flag.Bool("check_version_skew", true, ""+
"By default, verify that client and server have exact version match. "+
"You can explicitly set to false if you're, e.g., testing client changes "+
"for which the server version doesn't make a difference.")
checkLeakedResources = flag.Bool("check_leaked_resources", false, "Ensure project ends with the same resources")
deployment = flag.String("deployment", "bash", "up/down mechanism (defaults to cluster/kube-{up,down}.sh) (choices: bash/kops/kubernetes-anywhere)")
down = flag.Bool("down", false, "If true, tear down the cluster before exiting.")
dump = flag.String("dump", "", "If set, dump cluster logs to this location on test or cluster-up failure")
kubemark = flag.Bool("kubemark", false, "If true, run kubemark tests.")
skewTests = flag.Bool("skew", false, "If true, run tests in another version at ../kubernetes/hack/e2e.go")
testArgs = flag.String("test_args", "", "Space-separated list of arguments to pass to Ginkgo test runner.")
test = flag.Bool("test", false, "Run Ginkgo tests.")
timeout = flag.Duration("timeout", time.Duration(0), "Terminate testing after the timeout duration (s/m/h)")
up = flag.Bool("up", false, "If true, start the the e2e cluster. If cluster is already up, recreate it.")
upgradeArgs = flag.String("upgrade_args", "", "If set, run upgrade tests before other tests")
verbose = flag.Bool("v", false, "If true, print all command output.")
// kops specific flags.
kopsPath = flag.String("kops", "", "(kops only) Path to the kops binary. Must be set for kops.")
kopsCluster = flag.String("kops-cluster", "", "(kops only) Cluster name. Must be set for kops.")
kopsState = flag.String("kops-state", os.Getenv("KOPS_STATE_STORE"), "(kops only) s3:// path to kops state store. Must be set. (This flag defaults to $KOPS_STATE_STORE, and overrides it if set.)")
kopsSSHKey = flag.String("kops-ssh-key", os.Getenv("AWS_SSH_KEY"), "(kops only) Path to ssh key-pair for each node. (Defaults to $AWS_SSH_KEY or '~/.ssh/kube_aws_rsa'.)")
kopsKubeVersion = flag.String("kops-kubernetes-version", "", "(kops only) If set, the version of Kubernetes to deploy (can be a URL to a GCS path where the release is stored) (Defaults to kops default, latest stable release.).")
kopsZones = flag.String("kops-zones", "us-west-2a", "(kops AWS only) AWS zones for kops deployment, comma delimited.")
kopsNodes = flag.Int("kops-nodes", 2, "(kops only) Number of nodes to create.")
kopsUpTimeout = flag.Duration("kops-up-timeout", 20*time.Minute, "(kops only) Time limit between 'kops config / kops update' and a response from the Kubernetes API.")
kopsAdminAccess = flag.String("kops-admin-access", "", "(kops only) If set, restrict apiserver access to this CIDR range.")
// kubernetes-anywhere specific flags.
kubernetesAnywherePath = flag.String("kubernetes-anywhere-path", "", "(kubernetes-anywhere only) Path to the kubernetes-anywhere directory. Must be set for kubernetes-anywhere.")
kubernetesAnywherePhase2Provider = flag.String("kubernetes-anywhere-phase2-provider", "ignition", "(kubernetes-anywhere only) Provider for phase2 bootstrapping. (Defaults to ignition).")
kubernetesAnywhereCluster = flag.String("kubernetes-anywhere-cluster", "", "(kubernetes-anywhere only) Cluster name. Must be set for kubernetes-anywhere.")
kubernetesAnywhereUpTimeout = flag.Duration("kubernetes-anywhere-up-timeout", 20*time.Minute, "(kubernetes-anywhere only) Time limit between starting a cluster and making a successful call to the Kubernetes API.")
// Deprecated flags.
deprecatedPush = flag.Bool("push", false, "Deprecated. Does nothing.")
deprecatedPushup = flag.Bool("pushup", false, "Deprecated. Does nothing.")
deprecatedCtlCmd = flag.String("ctl", "", "Deprecated. Does nothing.")
)
const kubernetesAnywhereConfigTemplate = `
.phase1.num_nodes=4
.phase1.cluster_name="{{.Cluster}}"
.phase1.cloud_provider="gce"
.phase1.gce.os_image="ubuntu-1604-xenial-v20160420c"
.phase1.gce.instance_type="n1-standard-2"
.phase1.gce.project="{{.Project}}"
.phase1.gce.region="us-central1"
.phase1.gce.zone="us-central1-b"
.phase1.gce.network="default"
.phase2.installer_container="docker.io/colemickens/k8s-ignition:latest"
.phase2.docker_registry="gcr.io/google-containers"
.phase2.kubernetes_version="v1.4.1"
.phase2.provider="{{.Phase2Provider}}"
.phase3.run_addons=y
.phase3.kube_proxy=y
.phase3.dashboard=y
.phase3.heapster=y
.phase3.kube_dns=y
`
func appendError(errs []error, err error) []error {
if err != nil {
return append(errs, err)
}
return errs
}
func validWorkingDirectory() error {
cwd, err := os.Getwd()
if err != nil {
return fmt.Errorf("could not get pwd: %v", err)
}
acwd, err := filepath.Abs(cwd)
if err != nil {
return fmt.Errorf("failed to convert %s to an absolute path: %v", cwd, err)
}
// This also matches "kubernetes_skew" for upgrades.
if !strings.Contains(filepath.Base(acwd), "kubernetes") {
return fmt.Errorf("must run from kubernetes directory root: %v", acwd)
}
return nil
} }
type TestCase struct { const (
XMLName xml.Name `xml:"testcase"` getDefault = true
ClassName string `xml:"classname,attr"` oldDefault = 24 * time.Hour
Name string `xml:"name,attr"` )
Time float64 `xml:"time,attr"`
Failure string `xml:"failure,omitempty"`
}
type TestSuite struct {
XMLName xml.Name `xml:"testsuite"`
Failures int `xml:"failures,attr"`
Tests int `xml:"tests,attr"`
Time float64 `xml:"time,attr"`
Cases []TestCase
}
var suite TestSuite
func xmlWrap(name string, f func() error) error {
start := time.Now()
err := f()
duration := time.Since(start)
c := TestCase{
Name: name,
ClassName: "e2e.go",
Time: duration.Seconds(),
}
if err != nil {
c.Failure = err.Error()
suite.Failures++
}
suite.Cases = append(suite.Cases, c)
suite.Tests++
return err
}
func writeXML(start time.Time) { func parse(args []string) (flags, error) {
suite.Time = time.Since(start).Seconds() fs := flag.NewFlagSet(args[0], flag.ContinueOnError)
out, err := xml.MarshalIndent(&suite, "", " ") get := fs.Bool("get", getDefault, "go get -u kubetest if old or not installed")
if err != nil { old := fs.Duration("old", oldDefault, "Consider kubetest old if it exceeds this")
log.Fatalf("Could not marshal XML: %s", err) var a []string
} if err := fs.Parse(args[1:]); err == flag.ErrHelp {
path := filepath.Join(*dump, "junit_runner.xml") os.Stderr.WriteString(" -- kubetestArgs\n")
f, err := os.Create(path) os.Stderr.WriteString(" All flags after -- are passed to the kubetest program\n")
if err != nil { return flags{}, err
log.Fatalf("Could not create file: %s", err) } else if err != nil {
} log.Print("NOTICE: go run hack/e2e.go is now a shim for test-infra/kubetest")
defer f.Close() log.Printf(" Usage: go run hack/e2e.go [--get=%v] [--old=%v] -- [KUBETEST_ARGS]", getDefault, oldDefault)
if _, err := f.WriteString(xml.Header); err != nil { log.Print(" The separator is required to use --get or --old flags")
log.Fatalf("Error writing XML header: %s", err) log.Print(" The -- flag separator also suppresses this message")
} a = args[len(args)-fs.NArg()-1:]
if _, err := f.Write(out); err != nil { } else {
log.Fatalf("Error writing XML data: %s", err) a = fs.Args()
} }
log.Printf("Saved XML output to %s.", path) return flags{*get, *old, a}, nil
} }
func main() { func main() {
log.SetFlags(log.LstdFlags | log.Lshortfile) log.SetFlags(log.LstdFlags | log.Lshortfile)
flag.Parse() f, err := parse(os.Args)
if !terminate.Stop() {
<-terminate.C // Drain the value if necessary.
}
if !interrupt.Stop() {
<-interrupt.C // Drain value
}
if *timeout > 0 {
log.Printf("Limiting testing to %s", *timeout)
interrupt.Reset(*timeout)
}
if err := validWorkingDirectory(); err != nil {
log.Fatalf("Called from invalid working directory: %v", err)
}
deploy, err := getDeployer()
if err != nil {
log.Fatalf("Error creating deployer: %v", err)
}
if *down {
// listen for signals such as ^C and gracefully attempt to clean up
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
for range c {
log.Print("Captured ^C, gracefully attempting to cleanup resources..")
if err := deploy.Down(); err != nil {
log.Printf("Tearing down deployment failed: %v", err)
os.Exit(1)
}
}
}()
}
if err := run(deploy); err != nil {
log.Fatalf("Something went wrong: %s", err)
}
}
func run(deploy deployer) error {
if *dump != "" {
defer writeXML(time.Now())
}
if *build {
if err := xmlWrap("Build", Build); err != nil {
return fmt.Errorf("error building: %s", err)
}
}
if *checkVersionSkew {
os.Setenv("KUBECTL", "./cluster/kubectl.sh --match-server-version")
} else {
os.Setenv("KUBECTL", "./cluster/kubectl.sh")
}
os.Setenv("KUBE_CONFIG_FILE", "config-test.sh")
// force having batch/v2alpha1 always on for e2e tests
os.Setenv("KUBE_RUNTIME_CONFIG", "batch/v2alpha1=true")
if *up {
if err := xmlWrap("TearDown Previous", deploy.Down); err != nil {
return fmt.Errorf("error tearing down previous cluster: %s", err)
}
}
var err error
var errs []error
var (
beforeResources []byte
upResources []byte
downResources []byte
afterResources []byte
)
if *checkLeakedResources {
errs = appendError(errs, xmlWrap("ListResources Before", func() error {
beforeResources, err = ListResources()
return err
}))
}
if *up {
// If we tried to bring the cluster up, make a courtesy
// attempt to bring it down so we're not leaving resources around.
//
// TODO: We should try calling deploy.Down exactly once. Though to
// stop the leaking resources for now, we want to be on the safe side
// and call it explictly in defer if the other one is not called.
if *down {
defer xmlWrap("Deferred TearDown", deploy.Down)
}
// Start the cluster using this version.
if err := xmlWrap("Up", deploy.Up); err != nil {
if *dump != "" {
xmlWrap("DumpClusterLogs", func() error {
return DumpClusterLogs(*dump)
})
}
return fmt.Errorf("starting e2e cluster: %s", err)
}
if *dump != "" {
errs = appendError(errs, xmlWrap("list nodes", listNodes))
}
}
if *checkLeakedResources {
errs = appendError(errs, xmlWrap("ListResources Up", func() error {
upResources, err = ListResources()
return err
}))
}
if *upgradeArgs != "" {
errs = appendError(errs, xmlWrap("UpgradeTest", func() error {
return UpgradeTest(*upgradeArgs)
}))
}
if *test {
errs = appendError(errs, xmlWrap("get kubeconfig", deploy.SetupKubecfg))
errs = appendError(errs, xmlWrap("kubectl version", func() error {
return finishRunning(exec.Command("./cluster/kubectl.sh", "version", "--match-server-version=false"))
}))
if *skewTests {
errs = appendError(errs, xmlWrap("SkewTest", SkewTest))
} else {
if err := xmlWrap("IsUp", deploy.IsUp); err != nil {
errs = appendError(errs, err)
} else {
errs = appendError(errs, xmlWrap("Test", Test))
}
}
}
if *kubemark {
errs = appendError(errs, xmlWrap("Kubemark", KubemarkTest))
}
if len(errs) > 0 && *dump != "" {
errs = appendError(errs, xmlWrap("DumpClusterLogs", func() error {
return DumpClusterLogs(*dump)
}))
}
if *checkLeakedResources {
errs = appendError(errs, xmlWrap("ListResources Down", func() error {
downResources, err = ListResources()
return err
}))
}
if *down {
errs = appendError(errs, xmlWrap("TearDown", deploy.Down))
}
if *checkLeakedResources {
log.Print("Sleeping for 30 seconds...") // Wait for eventually consistent listing
time.Sleep(30 * time.Second)
if err := xmlWrap("ListResources After", func() error {
afterResources, err = ListResources()
return err
}); err != nil {
errs = append(errs, err)
} else {
errs = appendError(errs, xmlWrap("DiffResources", func() error {
return DiffResources(beforeResources, upResources, downResources, afterResources, *dump)
}))
}
}
if len(errs) != 0 {
return fmt.Errorf("encountered %d errors: %v", len(errs), errs)
}
return nil
}
func listNodes() error {
cmd := exec.Command("./cluster/kubectl.sh", "--match-server-version=false", "get", "nodes", "-oyaml")
b, err := cmd.CombinedOutput()
if *verbose {
log.Printf("kubectl get nodes:\n%s", string(b))
}
if err != nil { if err != nil {
return err os.Exit(2)
}
return ioutil.WriteFile(filepath.Join(*dump, "nodes.yaml"), b, 0644)
}
func DiffResources(before, clusterUp, clusterDown, after []byte, location string) error {
if location == "" {
var err error
location, err = ioutil.TempDir("", "e2e-check-resources")
if err != nil {
return fmt.Errorf("Could not create e2e-check-resources temp dir: %s", err)
}
}
var mode os.FileMode = 0664
bp := filepath.Join(location, "gcp-resources-before.txt")
up := filepath.Join(location, "gcp-resources-cluster-up.txt")
cdp := filepath.Join(location, "gcp-resources-cluster-down.txt")
ap := filepath.Join(location, "gcp-resources-after.txt")
dp := filepath.Join(location, "gcp-resources-diff.txt")
if err := ioutil.WriteFile(bp, before, mode); err != nil {
return err
}
if err := ioutil.WriteFile(up, clusterUp, mode); err != nil {
return err
}
if err := ioutil.WriteFile(cdp, clusterDown, mode); err != nil {
return err
}
if err := ioutil.WriteFile(ap, after, mode); err != nil {
return err
}
cmd := exec.Command("diff", "-sw", "-U0", "-F^\\[.*\\]$", bp, ap)
if *verbose {
cmd.Stderr = os.Stderr
}
stdout, cerr := cmd.Output()
if err := ioutil.WriteFile(dp, stdout, mode); err != nil {
return err
}
if cerr == nil { // No diffs
return nil
}
lines := strings.Split(string(stdout), "\n")
if len(lines) < 3 { // Ignore the +++ and --- header lines
return nil
}
lines = lines[2:]
var added, report []string
resourceTypeRE := regexp.MustCompile(`^@@.+\s(\[\s\S+\s\])$`)
for _, l := range lines {
if matches := resourceTypeRE.FindStringSubmatch(l); matches != nil {
report = append(report, matches[1])
}
if strings.HasPrefix(l, "+") && len(strings.TrimPrefix(l, "+")) > 0 {
added = append(added, l)
report = append(report, l)
}
} }
if len(added) > 0 { t := newTester()
return fmt.Errorf("Error: %d leaked resources\n%v", len(added), strings.Join(report, "\n")) k, err := t.getKubetest(f.get, f.old)
}
return nil
}
func ListResources() ([]byte, error) {
log.Printf("Listing resources...")
cmd := exec.Command("./cluster/gce/list-resources.sh")
if *verbose {
cmd.Stderr = os.Stderr
}
stdout, err := cmd.Output()
if err != nil { if err != nil {
return nil, fmt.Errorf("Failed to list resources (%s):\n%s", err, string(stdout)) log.Fatalf("err: %v", err)
} }
return stdout, nil log.Printf("Calling kubetest %v...", strings.Join(f.args, " "))
} if err = t.wait(k, f.args...); err != nil {
log.Fatalf("err: %v", err)
func Build() error {
// The build-release script needs stdin to ask the user whether
// it's OK to download the docker image.
cmd := exec.Command("make", "quick-release")
cmd.Stdin = os.Stdin
if err := finishRunning(cmd); err != nil {
return fmt.Errorf("error building kubernetes: %v", err)
}
return nil
}
type deployer interface {
Up() error
IsUp() error
SetupKubecfg() error
Down() error
}
func getDeployer() (deployer, error) {
switch *deployment {
case "bash":
return bash{}, nil
case "kops":
return NewKops()
case "kubernetes-anywhere":
return NewKubernetesAnywhere()
default:
return nil, fmt.Errorf("Unknown deployment strategy %q", *deployment)
} }
log.Print("Done")
} }
type bash struct{} func wait(cmd string, args ...string) error {
c := exec.Command(cmd, args...)
func (b bash) Up() error { c.Stdout = os.Stdout
return finishRunning(exec.Command("./hack/e2e-internal/e2e-up.sh")) c.Stderr = os.Stderr
} if err := c.Start(); err != nil {
func (b bash) IsUp() error {
return finishRunning(exec.Command("./hack/e2e-internal/e2e-status.sh"))
}
func (b bash) SetupKubecfg() error {
return nil
}
func (b bash) Down() error {
return finishRunning(exec.Command("./hack/e2e-internal/e2e-down.sh"))
}
type kops struct {
path string
kubeVersion string
sshKey string
zones []string
nodes int
adminAccess string
cluster string
kubecfg string
}
func NewKops() (*kops, error) {
if *kopsPath == "" {
return nil, fmt.Errorf("--kops must be set to a valid binary path for kops deployment")
}
if *kopsCluster == "" {
return nil, fmt.Errorf("--kops-cluster must be set to a valid cluster name for kops deployment")
}
if *kopsState == "" {
return nil, fmt.Errorf("--kops-state must be set to a valid S3 path for kops deployment")
}
sshKey := *kopsSSHKey
if sshKey == "" {
usr, err := user.Current()
if err != nil {
return nil, err
}
sshKey = filepath.Join(usr.HomeDir, ".ssh/kube_aws_rsa")
}
if err := os.Setenv("KOPS_STATE_STORE", *kopsState); err != nil {
return nil, err
}
f, err := ioutil.TempFile("", "kops-kubecfg")
if err != nil {
return nil, err
}
defer f.Close()
kubecfg := f.Name()
if err := f.Chmod(0600); err != nil {
return nil, err
}
if err := os.Setenv("KUBECONFIG", kubecfg); err != nil {
return nil, err
}
// Set KUBERNETES_CONFORMANCE_TEST so the auth info is picked up
// from kubectl instead of bash inference.
if err := os.Setenv("KUBERNETES_CONFORMANCE_TEST", "yes"); err != nil {
return nil, err
}
// Set KUBERNETES_CONFORMANCE_PROVIDER to override the
// cloudprovider for KUBERNETES_CONFORMANCE_TEST.
if err := os.Setenv("KUBERNETES_CONFORMANCE_PROVIDER", "aws"); err != nil {
return nil, err
}
// AWS_SSH_KEY is required by the AWS e2e tests.
if err := os.Setenv("AWS_SSH_KEY", sshKey); err != nil {
return nil, err
}
// ZONE is required by the AWS e2e tests.
zones := strings.Split(*kopsZones, ",")
if err := os.Setenv("ZONE", zones[0]); err != nil {
return nil, err
}
return &kops{
path: *kopsPath,
kubeVersion: *kopsKubeVersion,
sshKey: sshKey + ".pub", // kops only needs the public key, e2es need the private key.
zones: zones,
nodes: *kopsNodes,
adminAccess: *kopsAdminAccess,
cluster: *kopsCluster,
kubecfg: kubecfg,
}, nil
}
func (k kops) Up() error {
createArgs := []string{
"create", "cluster",
"--name", k.cluster,
"--ssh-public-key", k.sshKey,
"--node-count", strconv.Itoa(k.nodes),
"--zones", strings.Join(k.zones, ","),
}
if k.kubeVersion != "" {
createArgs = append(createArgs, "--kubernetes-version", k.kubeVersion)
}
if k.adminAccess != "" {
createArgs = append(createArgs, "--admin-access", k.adminAccess)
}
if err := finishRunning(exec.Command(k.path, createArgs...)); err != nil {
return fmt.Errorf("kops configuration failed: %v", err)
}
if err := finishRunning(exec.Command(k.path, "update", "cluster", k.cluster, "--yes")); err != nil {
return fmt.Errorf("kops bringup failed: %v", err)
}
// TODO(zmerlynn): More cluster validation. This should perhaps be
// added to kops and not here, but this is a fine place to loop
// for now.
return waitForNodes(k, k.nodes+1, *kopsUpTimeout)
}
func (k kops) IsUp() error {
return isUp(k)
}
func (k kops) SetupKubecfg() error {
info, err := os.Stat(k.kubecfg)
if err != nil {
return err
}
if info.Size() > 0 {
// Assume that if we already have it, it's good.
return nil
}
if err := finishRunning(exec.Command(k.path, "export", "kubecfg", k.cluster)); err != nil {
return fmt.Errorf("Failure exporting kops kubecfg: %v", err)
}
return nil
}
func (k kops) Down() error {
// We do a "kops get" first so the exit status of "kops delete" is
// more sensical in the case of a non-existant cluster. ("kops
// delete" will exit with status 1 on a non-existant cluster)
err := finishRunning(exec.Command(k.path, "get", "clusters", k.cluster))
if err != nil {
// This is expected if the cluster doesn't exist.
return nil
}
return finishRunning(exec.Command(k.path, "delete", "cluster", k.cluster, "--yes"))
}
type kubernetesAnywhere struct {
path string
// These are exported only because their use in the config template requires it.
Phase2Provider string
Project string
Cluster string
}
func NewKubernetesAnywhere() (*kubernetesAnywhere, error) {
if *kubernetesAnywherePath == "" {
return nil, fmt.Errorf("--kubernetes-anywhere-path is required")
}
if *kubernetesAnywhereCluster == "" {
return nil, fmt.Errorf("--kubernetes-anywhere-cluster is required")
}
project, ok := os.LookupEnv("PROJECT")
if !ok {
return nil, fmt.Errorf("The PROJECT environment variable is required to be set for kubernetes-anywhere")
}
// Set KUBERNETES_CONFORMANCE_TEST so the auth info is picked up
// from kubectl instead of bash inference.
if err := os.Setenv("KUBERNETES_CONFORMANCE_TEST", "yes"); err != nil {
return nil, err
}
k := &kubernetesAnywhere{
path: *kubernetesAnywherePath,
Phase2Provider: *kubernetesAnywherePhase2Provider,
Project: project,
Cluster: *kubernetesAnywhereCluster,
}
if err := k.writeConfig(); err != nil {
return nil, err
}
return k, nil
}
func (k kubernetesAnywhere) getConfig() (string, error) {
// As needed, plumb through more CLI options to replace these defaults
tmpl, err := template.New("kubernetes-anywhere-config").Parse(kubernetesAnywhereConfigTemplate)
if err != nil {
return "", fmt.Errorf("Error creating template for KubernetesAnywhere config: %v", err)
}
var buf bytes.Buffer
if err = tmpl.Execute(&buf, k); err != nil {
return "", fmt.Errorf("Error executing template for KubernetesAnywhere config: %v", err)
}
return buf.String(), nil
}
func (k kubernetesAnywhere) writeConfig() error {
config, err := k.getConfig()
if err != nil {
return fmt.Errorf("Could not generate config: %v", err)
}
f, err := os.Create(k.path + "/.config")
if err != nil {
return fmt.Errorf("Could not create file: %v", err)
}
defer f.Close()
fmt.Fprint(f, config)
return nil
}
func (k kubernetesAnywhere) Up() error {
cmd := exec.Command("make", "-C", k.path, "WAIT_FOR_KUBECONFIG=y", "deploy-cluster")
if err := finishRunning(cmd); err != nil {
return err return err
} }
return c.Wait()
nodes := 4 // For now, this is hardcoded in the config
return waitForNodes(k, nodes+1, *kubernetesAnywhereUpTimeout)
} }
func (k kubernetesAnywhere) IsUp() error { // Struct that allows unit tests to override functionality.
return isUp(k) type tester struct {
// os.Stat
stat func(string) (os.FileInfo, error)
// exec.LookPath
lookPath func(string) (string, error)
// build.Default.GOPATH
goPath string
wait func(string, ...string) error
} }
func (k kubernetesAnywhere) SetupKubecfg() error { func newTester() tester {
output, err := exec.Command("make", "--silent", "-C", k.path, "kubeconfig-path").Output() return tester{os.Stat, exec.LookPath, build.Default.GOPATH, wait}
if err != nil {
return fmt.Errorf("Could not get kubeconfig-path: %v", err)
}
kubecfg := strings.TrimSuffix(string(output), "\n")
if err = os.Setenv("KUBECONFIG", kubecfg); err != nil {
return err
}
return nil
}
func (k kubernetesAnywhere) Down() error {
err := finishRunning(exec.Command("make", "-C", k.path, "kubeconfig-path"))
if err != nil {
// This is expected if the cluster doesn't exist.
return nil
}
return finishRunning(exec.Command("make", "-C", k.path, "FORCE_DESTROY=y", "destroy-cluster"))
} }
func clusterSize(deploy deployer) (int, error) { // Try to find kubetest, either GOPATH/bin/kubetest or PATH
if err := deploy.SetupKubecfg(); err != nil { func (t tester) lookKubetest() (string, error) {
return -1, err // Check for kubetest in GOPATH/bin
} if t.goPath != "" {
o, err := exec.Command("kubectl", "get", "nodes", "--no-headers").Output() p := filepath.Join(t.goPath, "bin", "kubetest")
if err != nil { _, err := t.stat(p)
log.Printf("kubectl get nodes failed: %s\n%s", WrapError(err).Error(), string(o)) if err == nil {
return -1, err return p, err
}
stdout := strings.TrimSpace(string(o))
log.Printf("Cluster nodes:\n%s", stdout)
return len(strings.Split(stdout, "\n")), nil
}
// CommandError will provide stderr output (if available) from structured
// exit errors
type CommandError struct {
err error
}
func WrapError(err error) *CommandError {
if err == nil {
return nil
}
return &CommandError{err: err}
}
func (e *CommandError) Error() string {
if e == nil {
return ""
}
exitErr, ok := e.err.(*exec.ExitError)
if !ok {
return e.err.Error()
}
stderr := ""
if exitErr.Stderr != nil {
stderr = string(stderr)
}
return fmt.Sprintf("%q: %q", exitErr.Error(), stderr)
}
func isUp(d deployer) error {
n, err := clusterSize(d)
if err != nil {
return err
}
if n <= 0 {
return fmt.Errorf("cluster found, but %d nodes reported", n)
}
return nil
}
func waitForNodes(d deployer, nodes int, timeout time.Duration) error {
for stop := time.Now().Add(timeout); time.Now().Before(stop); time.Sleep(30 * time.Second) {
n, err := clusterSize(d)
if err != nil {
log.Printf("Can't get cluster size, sleeping: %v", err)
continue
} }
if n < nodes {
log.Printf("%d (current nodes) < %d (requested instances), sleeping", n, nodes)
continue
}
return nil
} }
return fmt.Errorf("waiting for nodes timed out")
}
func DumpClusterLogs(location string) error { // Check for kubetest in PATH
log.Printf("Dumping cluster logs to: %v", location) p, err := t.lookPath("kubetest")
return finishRunning(exec.Command("./cluster/log-dump.sh", location)) return p, err
} }
func KubemarkTest() error { // Upgrade if kubetest does not exist or has not been updated today
// Stop previous run func (t tester) getKubetest(get bool, old time.Duration) (string, error) {
err := finishRunning(exec.Command("./test/kubemark/stop-kubemark.sh")) // Find kubetest installation
if err != nil { p, err := t.lookKubetest()
return err if err == nil && !get {
return p, nil // Installed, Skip update
} }
// If we tried to bring the Kubemark cluster up, make a courtesy if err == nil {
// attempt to bring it down so we're not leaving resources around. // Installed recently?
// if s, err := t.stat(p); err != nil {
// TODO: We should try calling stop-kubemark exactly once. Though to return p, err // Cannot stat
// stop the leaking resources for now, we want to be on the safe side } else if time.Since(s.ModTime()) <= old {
// and call it explictly in defer if the other one is not called. return p, nil // Recently updated
defer xmlWrap("Deferred Stop kubemark", func() error { } else if t.goPath == "" {
return finishRunning(exec.Command("./test/kubemark/stop-kubemark.sh")) log.Print("Skipping kubetest upgrade because $GOPATH is empty")
}) return p, nil
// Start new run
backups := []string{"NUM_NODES", "MASTER_SIZE"}
for _, item := range backups {
old, present := os.LookupEnv(item)
if present {
defer os.Setenv(item, old)
} else {
defer os.Unsetenv(item)
} }
log.Printf("The kubetest binary is older than %s.", old)
} }
os.Setenv("NUM_NODES", os.Getenv("KUBEMARK_NUM_NODES")) if t.goPath == "" {
os.Setenv("MASTER_SIZE", os.Getenv("KUBEMARK_MASTER_SIZE")) return "", fmt.Errorf("Cannot install kubetest until $GOPATH is set")
err = xmlWrap("Start kubemark", func() error {
return finishRunning(exec.Command("./test/kubemark/start-kubemark.sh"))
})
if err != nil {
return err
} }
log.Print("Updating kubetest binary...")
// Run kubemark tests if err = t.wait("go", "get", "-u", "k8s.io/test-infra/kubetest"); err != nil {
focus, present := os.LookupEnv("KUBEMARK_TESTS") return "", err // Could not upgrade
if !present {
focus = "starting\\s30\\pods"
}
test_args := os.Getenv("KUBEMARK_TEST_ARGS")
err = finishRunning(exec.Command("./test/kubemark/run-e2e-tests.sh", "--ginkgo.focus="+focus, test_args))
if err != nil {
return err
} }
if p, err = t.lookKubetest(); err != nil {
err = xmlWrap("Stop kubemark", func() error { return "", err // Cannot find kubetest
return finishRunning(exec.Command("./test/kubemark/stop-kubemark.sh")) } else if err = t.wait("touch", p); err != nil {
}) return "", err // Could not touch
if err != nil {
return err
}
return nil
}
func chdirSkew() (string, error) {
old, err := os.Getwd()
if err != nil {
return "", fmt.Errorf("failed to os.Getwd(): %v", err)
}
err = os.Chdir("../kubernetes_skew")
if err != nil {
return "", fmt.Errorf("failed to cd ../kubernetes_skew: %v", err)
}
return old, nil
}
func UpgradeTest(args string) error {
old, err := chdirSkew()
if err != nil {
return err
}
defer os.Chdir(old)
previous, present := os.LookupEnv("E2E_REPORT_PREFIX")
if present {
defer os.Setenv("E2E_REPORT_PREFIX", previous)
} else { } else {
defer os.Unsetenv("E2E_REPORT_PREFIX") return p, nil // Updated modtime
}
os.Setenv("E2E_REPORT_PREFIX", "upgrade")
return finishRunning(exec.Command(
"go", "run", "./hack/e2e.go",
"--test",
"--test_args="+args,
fmt.Sprintf("--v=%t", *verbose),
fmt.Sprintf("--check_version_skew=%t", *checkVersionSkew)))
}
func SkewTest() error {
old, err := chdirSkew()
if err != nil {
return err
}
defer os.Chdir(old)
return finishRunning(exec.Command(
"go", "run", "./hack/e2e.go",
"--test",
"--test_args="+*testArgs,
fmt.Sprintf("--v=%t", *verbose),
fmt.Sprintf("--check_version_skew=%t", *checkVersionSkew)))
}
func Test() error {
// TODO(fejta): add a --federated or something similar
if os.Getenv("FEDERATION") != "true" {
return finishRunning(exec.Command("./hack/ginkgo-e2e.sh", strings.Fields(*testArgs)...))
}
if *testArgs == "" {
*testArgs = "--ginkgo.focus=\\[Feature:Federation\\]"
}
return finishRunning(exec.Command("./hack/federated-ginkgo-e2e.sh", strings.Fields(*testArgs)...))
}
func finishRunning(cmd *exec.Cmd) error {
stepName := strings.Join(cmd.Args, " ")
if *verbose {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
log.Printf("Running: %v", stepName)
defer func(start time.Time) {
log.Printf("Step '%s' finished in %s", stepName, time.Since(start))
}(time.Now())
cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
if err := cmd.Start(); err != nil {
return fmt.Errorf("error starting %v: %v", stepName, err)
}
finished := make(chan error)
go func() {
finished <- cmd.Wait()
}()
for {
select {
case <-terminate.C:
terminate.Reset(time.Duration(0)) // Kill subsequent processes immediately.
syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL)
cmd.Process.Kill()
return fmt.Errorf("Terminate testing after 15m after %s timeout during %s", *timeout, stepName)
case <-interrupt.C:
log.Printf("Interrupt testing after %s timeout. Will terminate in another 15m", *timeout)
terminate.Reset(15 * time.Minute)
if err := syscall.Kill(-cmd.Process.Pid, syscall.SIGINT); err != nil {
log.Printf("Failed to interrupt %v. Will terminate immediately: %v", stepName, err)
syscall.Kill(-cmd.Process.Pid, syscall.SIGTERM)
cmd.Process.Kill()
}
case err := <-finished:
return err
}
} }
} }
hack/e2e_test.go 0 → 100644
View file @ 2fffe48e
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Unit tests for hack/e2e.go shim
package main
import (
"errors"
"flag"
"fmt"
"os"
"path/filepath"
"reflect"
"testing"
"time"
)
type FileInfo struct {
when time.Time
}
func (f FileInfo) Name() string {
return "fake-file"
}
func (f FileInfo) Size() int64 {
return 0
}
func (f FileInfo) Mode() os.FileMode {
return 0
}
func (f FileInfo) ModTime() time.Time {
return f.when
}
func (f FileInfo) IsDir() bool {
return false
}
func (f FileInfo) Sys() interface{} {
return f
}
func TestParse(t *testing.T) {
cases := []struct {
args []string
expected flags
err error
}{
{
[]string{"hello", "world"},
flags{getDefault, oldDefault, []string{"world"}},
nil,
},
{
[]string{"hello", "--", "--venus", "--karaoke"},
flags{getDefault, oldDefault, []string{"--venus", "--karaoke"}},
nil,
},
{
[]string{"hello", "--alpha", "--beta"},
flags{getDefault, oldDefault, []string{"--alpha", "--beta"}},
nil,
},
{
[]string{"so", "--get", "--boo"},
flags{true, oldDefault, []string{"--boo"}},
nil,
},
{
[]string{"omg", "--get=false", "--", "ugh"},
flags{false, oldDefault, []string{"ugh"}},
nil,
},
{
[]string{"wee", "--old=5m", "--get"},
flags{true, 5 * time.Minute, []string{}},
nil,
},
{
[]string{"fun", "--times", "--old=666s"},
flags{getDefault, oldDefault, []string{"--times", "--old=666s"}},
nil,
},
{
[]string{"wut", "-h"},
flags{},
flag.ErrHelp,
},
{
[]string{"wut", "--", "-h"},
flags{getDefault, oldDefault, []string{"-h"}},
nil,
},
}
for i, c := range cases {
a, err := parse(c.args)
if err != c.err {
t.Errorf("%d: a=%v != e%v", i, err, c.err)
}
e := c.expected
if a.get != e.get {
t.Errorf("%d: a=%v != e=%v", i, a.get, e.get)
}
if a.old != e.old {
t.Errorf("%d: a=%v != e=%v", i, a.old, e.old)
}
if !reflect.DeepEqual(a.args, e.args) {
t.Errorf("%d: a=%v != e=%v", i, a.args, e.args)
}
}
}
func TestLook(t *testing.T) {
lpf := errors.New("LookPath failed")
sf := errors.New("Stat failed")
lpnc := errors.New("LookPath should not be called")
snc := errors.New("Stat should not be called")
cases := []struct {
stat error
lookPath error
goPath string
expected error
}{
{ // GOPATH set, stat succeeds returns gopath
stat: nil,
lookPath: lpnc,
goPath: "fake-gopath/",
expected: nil,
},
{ // GOPATH set, stat fails, terms on lookpath
stat: sf,
lookPath: lpf,
goPath: "fake-gopath/",
expected: lpf,
},
{ // GOPATH unset, stat not called, terms on lookpath
stat: snc,
lookPath: lpf,
goPath: "",
expected: lpf,
},
{ // GOPATH unset, stat not called, lookpath matches
stat: snc,
lookPath: nil,
goPath: "",
expected: nil,
},
}
for _, c := range cases {
l := tester{
func(string) (os.FileInfo, error) {
return FileInfo{}, c.stat
},
func(string) (string, error) {
if c.lookPath != nil {
return "FAILED", c.lookPath
}
return "$PATH-FOUND", nil
},
c.goPath,
nil, // wait
}
if _, err := l.lookKubetest(); err != c.expected {
t.Errorf("err: %s != %s", err, c.expected)
}
}
}
func TestGetKubetest(t *testing.T) {
gp := "fake-gopath"
gpk := filepath.Join(gp, "bin", "kubetest")
p := "PATH"
pk := filepath.Join(p, "kubetest")
eu := errors.New("upgrade failed")
et := errors.New("touch failed")
cases := []struct {
get bool
old time.Duration
stat string // stat succeeds on this file
path bool // file exists on path
age time.Duration // age of mod time on file
upgraded bool // go get -u succeeds
touched bool // touch succeeds
goPath string // GOPATH var
returnPath string
returnError error
}{
{ // 0: Pass when on GOPATH/bin
get: false,
old: 0,
stat: gpk,
path: false,
age: 100,
upgraded: false,
touched: false,
goPath: gp,
returnPath: gpk,
returnError: nil,
},
{ // 1: Pass when on PATH
get: false,
old: 0,
stat: pk,
path: true,
age: 100,
upgraded: false,
touched: false,
goPath: gp,
returnPath: pk,
returnError: nil,
},
{ // 2: Don't upgrade if on PATH and GOPATH is ""
get: true,
old: 0,
stat: pk,
path: true,
age: 100,
upgraded: false,
touched: false,
goPath: "",
returnPath: pk,
returnError: nil,
},
{ // 3: Don't upgrade on PATH when young.
get: true,
old: time.Hour,
stat: pk,
path: true,
age: time.Second,
upgraded: false,
touched: false,
goPath: gp,
returnPath: pk,
returnError: nil,
},
{ // 4: Upgrade if old but GOPATH is set.
get: true,
old: 0,
stat: pk,
path: true,
age: 100,
upgraded: true,
touched: true,
goPath: gp,
returnPath: pk,
returnError: nil,
},
{ // 5: Fail if upgrade fails
get: true,
old: 0,
stat: pk,
path: true,
age: 100,
upgraded: false,
touched: false,
goPath: gpk,
returnPath: "",
returnError: eu,
},
{ // 6: Fail if touch fails
get: true,
old: 0,
stat: pk,
path: true,
age: 100,
upgraded: true,
touched: false,
goPath: gpk,
returnPath: "",
returnError: et,
},
}
for i, c := range cases {
didUp := false
didTouch := false
l := tester{
func(p string) (os.FileInfo, error) {
// stat
if p != c.stat {
return nil, fmt.Errorf("Failed to find %s", p)
}
return FileInfo{time.Now().Add(c.age)}, nil
},
func(name string) (string, error) {
if c.path {
return filepath.Join(p, name), nil
}
return "", fmt.Errorf("Not on path: %s", name)
},
c.goPath,
func(cmd string, args ...string) error {
if cmd == "go" {
if c.upgraded {
didUp = true
return nil
}
return eu
}
if c.touched {
didTouch = true
return nil
}
return et
},
}
if p, e := l.getKubetest(c.get, c.old); p != c.returnPath || e != c.returnError {
t.Errorf("%d: c=%v p=%v e=%v", i, c, p, e)
}
if didUp != c.upgraded {
t.Errorf("%d: bad upgrade state of %v", i, didUp)
}
if didTouch != c.touched {
t.Errorf("%d: bad touch state of %v", i, didTouch)
}
}
}
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