21bdea3dcc
Runner builds a cAdvisor, prepares it on a remote machine, and executes the integration tests targetting the remote machines. Script builds the runner and runs it.
119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package main
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import (
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"flag"
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"fmt"
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"os"
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"os/exec"
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"path"
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"time"
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"github.com/golang/glog"
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)
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const cadvisorBinary = "cadvisor"
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func RunCommand(cmd string, args ...string) error {
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output, err := exec.Command(cmd, args...).CombinedOutput()
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if err != nil {
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return fmt.Errorf("command %q %q failed with error: %v and output: %q", cmd, args, err, output)
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}
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return nil
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}
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func Run() error {
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start := time.Now()
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defer func() {
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glog.Infof("Execution time %v", time.Since(start))
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}()
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defer glog.Flush()
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host := flag.Args()[0]
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testDir := fmt.Sprintf("/tmp/cadvisor-%d", os.Getpid())
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glog.Infof("Running integration tests in host %q", host)
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// Build cAdvisor.
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glog.Infof("Building cAdvisor...")
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err := RunCommand("godep", "go", "build", "github.com/google/cadvisor")
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if err != nil {
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return err
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}
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defer func() {
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err := RunCommand("rm", cadvisorBinary)
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if err != nil {
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glog.Error(err)
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}
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}()
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// Ship it to the destination host.
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glog.Infof("Pushing cAdvisor binary to remote host...")
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err = RunCommand("gcutil", "ssh", host, "mkdir", "-p", testDir)
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if err != nil {
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return err
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}
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defer func() {
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err := RunCommand("gcutil", "ssh", host, "rm", "-rf", testDir)
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if err != nil {
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glog.Error(err)
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}
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}()
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err = RunCommand("gcutil", "push", host, cadvisorBinary, testDir)
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if err != nil {
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return err
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}
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// TODO(vmarmol): Get logs in case of failures.
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// Start it.
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glog.Infof("Running cAdvisor on the remote host...")
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err = RunCommand("gcutil", "ssh", host, "sudo", "screen", "-d", "-m", path.Join(testDir, cadvisorBinary), "--logtostderr", "&>", "/dev/null")
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if err != nil {
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return err
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}
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defer func() {
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err := RunCommand("gcutil", "ssh", host, "sudo", "killall", cadvisorBinary)
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if err != nil {
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glog.Error(err)
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}
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}()
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// Run the tests.
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glog.Infof("Running integration tests targeting remote host...")
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err = RunCommand("godep", "go", "test", "github.com/google/cadvisor/integration/tests/...", "--host", host)
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if err != nil {
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return err
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}
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glog.Infof("All tests pass!")
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return nil
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}
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func main() {
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flag.Parse()
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// Check usage.
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if len(flag.Args()) != 1 {
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glog.Fatalf("USAGE: runner <host to test>")
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}
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// Run the tests.
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err := Run()
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if err != nil {
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glog.Fatal(err)
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}
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}
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