VMware vSphere Integrated Containers provider (#206)
* Add Virtual Kubelet provider for VIC Initial virtual kubelet provider for VMware VIC. This provider currently handles creating and starting of a pod VM via the VIC portlayer and persona server. Image store handling via the VIC persona server. This provider currently requires the feature/wolfpack branch of VIC. * Added pod stop and delete. Also added node capacity. Added the ability to stop and delete pod VMs via VIC. Also retrieve node capacity information from the VCH. * Cleanup and readme file Some file clean up and added a Readme.md markdown file for the VIC provider. * Cleaned up errors, added function comments, moved operation code 1. Cleaned up error handling. Set standard for creating errors. 2. Added method prototype comments for all interface functions. 3. Moved PodCreator, PodStarter, PodStopper, and PodDeleter to a new folder. * Add mocking code and unit tests for podcache, podcreator, and podstarter Used the unit test framework used in VIC to handle assertions in the provider's unit test. Mocking code generated using OSS project mockery, which is compatible with the testify assertion framework. * Vendored packages for the VIC provider Requires feature/wolfpack branch of VIC and a few specific commit sha of projects used within VIC. * Implementation of POD Stopper and Deleter unit tests (#4) * Updated files for initial PR
This commit is contained in:
Loc Nguyen
280
vendor/github.com/vmware/govmomi/session/keep_alive_test.go
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vendored
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280
vendor/github.com/vmware/govmomi/session/keep_alive_test.go
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/*
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Copyright (c) 2015 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package session
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import (
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"context"
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"fmt"
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"net/url"
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"os"
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"runtime"
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"testing"
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"time"
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"github.com/vmware/govmomi/test"
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"github.com/vmware/govmomi/vim25"
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"github.com/vmware/govmomi/vim25/methods"
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"github.com/vmware/govmomi/vim25/soap"
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"github.com/vmware/govmomi/vim25/types"
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)
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type testKeepAlive int
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func (t *testKeepAlive) Func(soap.RoundTripper) error {
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*t++
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return nil
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}
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func newManager(t *testing.T) (*Manager, *url.URL) {
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u := test.URL()
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if u == nil {
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t.SkipNow()
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}
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soapClient := soap.NewClient(u, true)
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vimClient, err := vim25.NewClient(context.Background(), soapClient)
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if err != nil {
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t.Fatal(err)
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}
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return NewManager(vimClient), u
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}
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func TestKeepAlive(t *testing.T) {
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var i testKeepAlive
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var j int
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m, u := newManager(t)
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k := KeepAlive(m.client.RoundTripper, time.Millisecond)
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k.(*keepAlive).keepAlive = i.Func
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m.client.RoundTripper = k
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// Expect keep alive to not have triggered yet
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if i != 0 {
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t.Errorf("Expected i == 0, got i: %d", i)
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}
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// Logging in starts keep alive
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err := m.Login(context.Background(), u.User)
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if err != nil {
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t.Error(err)
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}
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time.Sleep(2 * time.Millisecond)
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// Expect keep alive to triggered at least once
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if i == 0 {
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t.Errorf("Expected i != 0, got i: %d", i)
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}
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j = int(i)
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time.Sleep(2 * time.Millisecond)
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// Expect keep alive to triggered at least once more
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if int(i) <= j {
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t.Errorf("Expected i > j, got i: %d, j: %d", i, j)
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}
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// Logging out stops keep alive
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err = m.Logout(context.Background())
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if err != nil {
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t.Error(err)
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}
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j = int(i)
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time.Sleep(2 * time.Millisecond)
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// Expect keep alive to have stopped
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if int(i) != j {
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t.Errorf("Expected i == j, got i: %d, j: %d", i, j)
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}
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}
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func testSessionOK(t *testing.T, m *Manager, ok bool) {
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s, err := m.UserSession(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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_, file, line, _ := runtime.Caller(1)
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prefix := fmt.Sprintf("%s:%d", file, line)
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if ok && s == nil {
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t.Fatalf("%s: Expected session to be OK, but is invalid", prefix)
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}
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if !ok && s != nil {
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t.Fatalf("%s: Expected session to be invalid, but is OK", prefix)
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}
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}
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// Run with:
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//
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// env GOVMOMI_KEEPALIVE_TEST=1 go test -timeout=60m -run TestRealKeepAlive
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//
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func TestRealKeepAlive(t *testing.T) {
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if os.Getenv("GOVMOMI_KEEPALIVE_TEST") != "1" {
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t.SkipNow()
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}
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m1, u1 := newManager(t)
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m2, u2 := newManager(t)
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// Enable keepalive on m2
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k := KeepAlive(m2.client.RoundTripper, 10*time.Minute)
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m2.client.RoundTripper = k
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// Expect both sessions to be invalid
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testSessionOK(t, m1, false)
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testSessionOK(t, m2, false)
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// Logging in starts keep alive
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if err := m1.Login(context.Background(), u1.User); err != nil {
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t.Error(err)
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}
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if err := m2.Login(context.Background(), u2.User); err != nil {
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t.Error(err)
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}
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// Expect both sessions to be valid
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testSessionOK(t, m1, true)
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testSessionOK(t, m2, true)
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// Wait for m1 to time out
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delay := 31 * time.Minute
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fmt.Printf("%s: Waiting %d minutes for session to time out...\n", time.Now(), int(delay.Minutes()))
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time.Sleep(delay)
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// Expect m1's session to be invalid, m2's session to be valid
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testSessionOK(t, m1, false)
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testSessionOK(t, m2, true)
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}
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func isNotAuthenticated(err error) bool {
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if soap.IsSoapFault(err) {
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switch soap.ToSoapFault(err).VimFault().(type) {
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case types.NotAuthenticated:
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return true
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}
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}
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return false
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}
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func isInvalidLogin(err error) bool {
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if soap.IsSoapFault(err) {
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switch soap.ToSoapFault(err).VimFault().(type) {
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case types.InvalidLogin:
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return true
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}
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}
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return false
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}
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func TestKeepAliveHandler(t *testing.T) {
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u := test.URL()
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if u == nil {
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t.SkipNow()
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}
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m1, u1 := newManager(t)
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m2, u2 := newManager(t)
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reauth := make(chan bool)
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// Keep alive handler that will re-login.
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// Real-world case: connectivity to ESX/VC is down long enough for the session to expire
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// Test-world case: we call TerminateSession below
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k := KeepAliveHandler(m2.client.RoundTripper, 2*time.Second, func(roundTripper soap.RoundTripper) error {
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_, err := methods.GetCurrentTime(context.Background(), roundTripper)
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if err != nil {
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if isNotAuthenticated(err) {
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err = m2.Login(context.Background(), u2.User)
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if err != nil {
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if isInvalidLogin(err) {
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reauth <- false
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t.Log("failed to re-authenticate, quitting keep alive handler")
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return err
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}
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} else {
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reauth <- true
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}
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}
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}
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return nil
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})
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m2.client.RoundTripper = k
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// Logging in starts keep alive
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if err := m1.Login(context.Background(), u1.User); err != nil {
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t.Error(err)
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}
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if err := m2.Login(context.Background(), u2.User); err != nil {
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t.Error(err)
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}
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// Terminate session for m2. Note that self terminate fails, so we need 2 sessions for this test.
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s, err := m2.UserSession(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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err = m1.TerminateSession(context.Background(), []string{s.Key})
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if err != nil {
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t.Fatal(err)
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}
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_, err = methods.GetCurrentTime(context.Background(), m2.client)
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if err == nil {
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t.Error("expected to fail")
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}
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// Wait for keepalive to re-authenticate
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<-reauth
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_, err = methods.GetCurrentTime(context.Background(), m2.client)
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if err != nil {
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t.Fatal(err)
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}
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// Clear credentials to test re-authentication failure
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u2.User = nil
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s, err = m2.UserSession(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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err = m1.TerminateSession(context.Background(), []string{s.Key})
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if err != nil {
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t.Fatal(err)
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}
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// Wait for keepalive re-authenticate attempt
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result := <-reauth
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_, err = methods.GetCurrentTime(context.Background(), m2.client)
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if err == nil {
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t.Error("expected to fail")
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}
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if result {
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t.Errorf("expected reauth to fail")
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}
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}
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