func (p *Provisioner) windowsInstallChefClient(
o terraform.UIOutput,
comm communicator.Communicator) error {
script := path.Join(path.Dir(comm.ScriptPath()), "ChefClient.ps1")
content := fmt.Sprintf(installScript, p.Version, p.HTTPProxy, strings.Join(p.NOProxy, ","))
// Copy the script to the new instance
if err := comm.UploadScript(script, strings.NewReader(content)); err != nil {
return fmt.Errorf("Uploading client.rb failed: %v", err)
}
// Execute the script to install Chef Client
installCmd := fmt.Sprintf("powershell -NoProfile -ExecutionPolicy Bypass -File %s", script)
return p.runCommand(o, comm, installCmd)
}
// runCommand is used to run already prepared commands
func (p *Provisioner) runCommand(
o terraform.UIOutput,
comm communicator.Communicator,
command string) error {
var err error
// Unless prevented, prefix the command with sudo
if p.useSudo {
command = "sudo " + command
}
outR, outW := io.Pipe()
errR, errW := io.Pipe()
outDoneCh := make(chan struct{})
errDoneCh := make(chan struct{})
go p.copyOutput(o, outR, outDoneCh)
go p.copyOutput(o, errR, errDoneCh)
cmd := &remote.Cmd{
Command: command,
Stdout: outW,
Stderr: errW,
}
if err := comm.Start(cmd); err != nil {
return fmt.Errorf("Error executing command %q: %v", cmd.Command, err)
}
cmd.Wait()
if cmd.ExitStatus != 0 {
err = fmt.Errorf(
"Command %q exited with non-zero exit status: %d", cmd.Command, cmd.ExitStatus)
}
// Wait for output to clean up
outW.Close()
errW.Close()
<-outDoneCh
<-errDoneCh
// If we have an error, return it out now that we've cleaned up
if err != nil {
return err
}
return nil
}
func (p *Provisioner) deployOhaiHints(
o terraform.UIOutput,
comm communicator.Communicator,
hintDir string) error {
for _, hint := range p.OhaiHints {
// Open the hint file
f, err := os.Open(hint)
if err != nil {
return err
}
defer f.Close()
// Copy the hint to the new instance
if err := comm.Upload(path.Join(hintDir, path.Base(hint)), f); err != nil {
return fmt.Errorf("Uploading %s failed: %v", path.Base(hint), err)
}
}
return nil
}
func (p *Provisioner) runCommand(
o terraform.UIOutput,
comm communicator.Communicator,
command string) error {
var err error
if p.useSudo {
command = "sudo " + command
}
outR, outW := io.Pipe()
errR, errW := io.Pipe()
outDoneCh := make(chan struct{})
errDoneCh := make(chan struct{})
go p.copyOutput(o, outR, outDoneCh)
go p.copyOutput(o, errR, errDoneCh)
cmd := &remote.Cmd{
Command: command,
Stdout: outW,
Stderr: errW,
}
if err := comm.Start(cmd); err != nil {
return fmt.Errorf("Error executing command %q: %v", cmd.Command, err)
}
cmd.Wait()
if cmd.ExitStatus != 0 {
err = fmt.Errorf(
"Command %q exited with non-zero exit status: %d", cmd.Command, cmd.ExitStatus)
}
outW.Close()
errW.Close()
<-outDoneCh
<-errDoneCh
return err
}
// copyFiles is used to copy the files from a source to a destination
func (p *ResourceProvisioner) copyFiles(comm communicator.Communicator, src, dst string) error {
// Wait and retry until we establish the connection
err := retryFunc(comm.Timeout(), func() error {
err := comm.Connect(nil)
return err
})
if err != nil {
return err
}
defer comm.Disconnect()
info, err := os.Stat(src)
if err != nil {
return err
}
// If we're uploading a directory, short circuit and do that
if info.IsDir() {
if err := comm.UploadDir(dst, src); err != nil {
return fmt.Errorf("Upload failed: %v", err)
}
return nil
}
// We're uploading a file...
f, err := os.Open(src)
if err != nil {
return err
}
defer f.Close()
err = comm.Upload(dst, f)
if err != nil {
return fmt.Errorf("Upload failed: %v", err)
}
return err
}
func (p *Provisioner) deployConfigFiles(
o terraform.UIOutput,
comm communicator.Communicator,
confDir string) error {
// Open the validation key file
f, err := os.Open(p.ValidationKeyPath)
if err != nil {
return err
}
defer f.Close()
// Copy the validation key to the new instance
if err := comm.Upload(path.Join(confDir, validationKey), f); err != nil {
return fmt.Errorf("Uploading %s failed: %v", validationKey, err)
}
if p.SecretKeyPath != "" {
// Open the secret key file
s, err := os.Open(p.SecretKeyPath)
if err != nil {
return err
}
defer s.Close()
// Copy the secret key to the new instance
if err := comm.Upload(path.Join(confDir, secretKey), s); err != nil {
return fmt.Errorf("Uploading %s failed: %v", secretKey, err)
}
}
// Make strings.Join available for use within the template
funcMap := template.FuncMap{
"join": strings.Join,
}
// Create a new template and parse the client config into it
t := template.Must(template.New(clienrb).Funcs(funcMap).Parse(clientConf))
var buf bytes.Buffer
err = t.Execute(&buf, p)
if err != nil {
return fmt.Errorf("Error executing %s template: %s", clienrb, err)
}
// Copy the client config to the new instance
if err := comm.Upload(path.Join(confDir, clienrb), &buf); err != nil {
return fmt.Errorf("Uploading %s failed: %v", clienrb, err)
}
// Create a map with first boot settings
fb := make(map[string]interface{})
if p.Attributes != nil {
fb = p.Attributes.(map[string]interface{})
}
// Check if the run_list was also in the attributes and if so log a warning
// that it will be overwritten with the value of the run_list argument.
if _, found := fb["run_list"]; found {
log.Printf("[WARNING] Found a 'run_list' specified in the configured attributes! " +
"This value will be overwritten by the value of the `run_list` argument!")
}
// Marshal the first boot settings to JSON
d, err := json.Marshal(fb)
if err != nil {
return fmt.Errorf("Failed to create %s data: %s", firstBoot, err)
}
// Copy the first-boot.json to the new instance
if err := comm.Upload(path.Join(confDir, firstBoot), bytes.NewReader(d)); err != nil {
return fmt.Errorf("Uploading %s failed: %v", firstBoot, err)
}
return nil
}
func (p *Provisioner) deployConfigFiles(
o terraform.UIOutput,
comm communicator.Communicator,
confDir string) error {
contents, _, err := pathorcontents.Read(p.ValidationKey)
if err != nil {
return err
}
f := strings.NewReader(contents)
// Copy the validation key to the new instance
if err := comm.Upload(path.Join(confDir, validationKey), f); err != nil {
return fmt.Errorf("Uploading %s failed: %v", validationKey, err)
}
if p.SecretKey != "" {
contents, _, err := pathorcontents.Read(p.SecretKey)
if err != nil {
return err
}
s := strings.NewReader(contents)
// Copy the secret key to the new instance
if err := comm.Upload(path.Join(confDir, secretKey), s); err != nil {
return fmt.Errorf("Uploading %s failed: %v", secretKey, err)
}
}
// Make sure the SSLVerifyMode value is written as a symbol
if p.SSLVerifyMode != "" && !strings.HasPrefix(p.SSLVerifyMode, ":") {
p.SSLVerifyMode = fmt.Sprintf(":%s", p.SSLVerifyMode)
}
// Make strings.Join available for use within the template
funcMap := template.FuncMap{
"join": strings.Join,
}
// Create a new template and parse the client config into it
t := template.Must(template.New(clienrb).Funcs(funcMap).Parse(clientConf))
var buf bytes.Buffer
err = t.Execute(&buf, p)
if err != nil {
return fmt.Errorf("Error executing %s template: %s", clienrb, err)
}
// Copy the client config to the new instance
if err := comm.Upload(path.Join(confDir, clienrb), &buf); err != nil {
return fmt.Errorf("Uploading %s failed: %v", clienrb, err)
}
// Create a map with first boot settings
fb := make(map[string]interface{})
if p.Attributes != nil {
fb = p.Attributes.(map[string]interface{})
}
// Check if the run_list was also in the attributes and if so log a warning
// that it will be overwritten with the value of the run_list argument.
if _, found := fb["run_list"]; found {
log.Printf("[WARNING] Found a 'run_list' specified in the configured attributes! " +
"This value will be overwritten by the value of the `run_list` argument!")
}
// Add the initial runlist to the first boot settings
if !p.UsePolicyfile {
fb["run_list"] = p.RunList
}
// Marshal the first boot settings to JSON
d, err := json.Marshal(fb)
if err != nil {
return fmt.Errorf("Failed to create %s data: %s", firstBoot, err)
}
// Copy the first-boot.json to the new instance
if err := comm.Upload(path.Join(confDir, firstBoot), bytes.NewReader(d)); err != nil {
return fmt.Errorf("Uploading %s failed: %v", firstBoot, err)
}
return nil
}
// runScripts is used to copy and execute a set of scripts
func (p *ResourceProvisioner) runScripts(
o terraform.UIOutput,
comm communicator.Communicator,
scripts []io.ReadCloser) error {
// Wait and retry until we establish the connection
err := retryFunc(comm.Timeout(), func() error {
err := comm.Connect(o)
return err
})
if err != nil {
return err
}
defer comm.Disconnect()
for _, script := range scripts {
var cmd *remote.Cmd
outR, outW := io.Pipe()
errR, errW := io.Pipe()
outDoneCh := make(chan struct{})
errDoneCh := make(chan struct{})
go p.copyOutput(o, outR, outDoneCh)
go p.copyOutput(o, errR, errDoneCh)
err = retryFunc(comm.Timeout(), func() error {
remotePath := comm.ScriptPath()
if err := comm.UploadScript(remotePath, script); err != nil {
return fmt.Errorf("Failed to upload script: %v", err)
}
cmd = &remote.Cmd{
Command: remotePath,
Stdout: outW,
Stderr: errW,
}
if err := comm.Start(cmd); err != nil {
return fmt.Errorf("Error starting script: %v", err)
}
// Upload a blank follow up file in the same path to prevent residual
// script contents from remaining on remote machine
empty := bytes.NewReader([]byte(""))
if err := comm.Upload(remotePath, empty); err != nil {
return fmt.Errorf("Failed to upload empty follow up script: %v", err)
}
return nil
})
if err == nil {
cmd.Wait()
if cmd.ExitStatus != 0 {
err = fmt.Errorf("Script exited with non-zero exit status: %d", cmd.ExitStatus)
}
}
// Wait for output to clean up
outW.Close()
errW.Close()
<-outDoneCh
<-errDoneCh
// If we have an error, return it out now that we've cleaned up
if err != nil {
return err
}
}
return nil
}
func (p *Provisioner) Run(o terraform.UIOutput, comm communicator.Communicator) error {
// parse the playbook path and ensure that it is valid before doing
// anything else. This is done in validate but is repeated here, just
// in case.
playbookPath, err := p.resolvePath(p.Playbook)
if err != nil {
return err
}
// commands that are needed to setup a basic environment to run the `ansible-local.py` script
// TODO pivot based upon different platforms and allow optional python provision steps
// TODO this should be configurable for folks who want to customize this
provisionAnsibleCommands := []string{
// https://github.com/hashicorp/terraform/issues/1025
// cloud-init runs on fresh sources and can interfere with apt-get update commands causing intermittent failures
"/bin/bash -c 'until [[ -f /var/lib/cloud/instance/boot-finished ]]; do sleep 1; done'",
"apt-get update",
"apt-get install -y build-essential python-dev",
"curl https://bootstrap.pypa.io/get-pip.py | sudo python",
"pip install ansible",
}
for _, command := range provisionAnsibleCommands {
o.Output(fmt.Sprintf("running command: %s", command))
err := p.runCommand(o, comm, command)
if err != nil {
return err
}
}
// ansible projects are structured such that the playbook file is in
// the top level of the module path. As such, we parse the playbook
// path's directory and upload the entire thing
playbookDir := filepath.Dir(playbookPath)
// the host playbook path is the path on the host where the playbook
// will be uploaded too
remotePlaybookPath := filepath.Join("/tmp/ansible", filepath.Base(playbookPath))
// upload ansible source and playbook to the host
if err := comm.UploadDir("/tmp/ansible", playbookDir); err != nil {
return err
}
extraVars, err := json.Marshal(p.ExtraVars)
if err != nil {
return err
}
// build a command to run ansible on the host machine
command := fmt.Sprintf("curl %s | python - --playbook=%s --hosts=%s --plays=%s --groups=%s --extra-vars=%s",
p.ansibleLocalScript,
remotePlaybookPath,
strings.Join(p.Hosts, ","),
strings.Join(p.Plays, ","),
strings.Join(p.Groups, ","),
string(extraVars))
o.Output(fmt.Sprintf("running command: %s", command))
if err := p.runCommand(o, comm, command); err != nil {
return err
}
return nil
}
