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b54b82d3ac
- startup scripts don't run for Windows since it is isn't implemented yet.
- startup scripts use instance metadata instead of serial port output to flag when they are done.
- added licenses to Image data type (to check if an Image is a Windows Image).
- added GetImage and GetImageFromProject to googlecompute Drivers.
- changed some of the builder/googlecompute tests to use github.com/stretchr/testify/assert.
Tests:
- (in the Packer directory) `go test .`, `go test ./builder/googlecompute`, and `go test ./post-processor/googlecompute-export`
- manual run of `packer build packer_template.json` with the following files
--packer_template.json--
{
"builders": [
{
"type": "googlecompute",
"account_file": "creds.json",
"project_id": "google.com:packer-test",
"source_image": "debian-8-jessie-v20160629",
"zone": "us-central1-a",
"startup_script_file": "startup_script.sh",
"metadata": {
"startup-script": "#!/bin/sh\necho \"This should be overwritten.\"",
"startup-script-log-dest": "gs://packer-test.google.com.a.appspot.com/startup-script.log"
},
"image_name": "test-packer-modifications",
"ssh_username": "foo"
}
],
"post-processors": [
{
"type": "googlecompute-export",
"paths": [
"gs://packer-test.google.com.a.appspot.com/foo.tar.gz",
"gs://packer-test.google.com.a.appspot.com/bar.tar.gz"
],
"keep_input_artifact": true
}
]
}
--startup_script.sh--
\#!/bin/sh
echo "Hi, my name is Scott. I'm waiting 60 seconds!" >> /scott
sleep 60
echo "I'm done waiting!" >> /scott
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package googlecompute
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import(
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"errors"
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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)
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type StepWaitInstanceStartup int
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// Run reads the instance metadata and looks for the log entry
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// indicating the startup script finished.
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func (s *StepWaitInstanceStartup) Run(state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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instanceName := state.Get("instance_name").(string)
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ui.Say("Waiting for any running startup script to finish...")
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// Keep checking the serial port output to see if the startup script is done.
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err := Retry(10, 60, 0, func() (bool, error) {
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status, err := driver.GetInstanceMetadata(config.Zone,
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instanceName, StartupScriptStatusKey)
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if err != nil {
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err := fmt.Errorf("Error getting startup script status: %s", err)
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return false, err
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}
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if status == StartupScriptStatusError {
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err = errors.New("Startup script error.")
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return false, err
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}
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done := status == StartupScriptStatusDone
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if !done {
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ui.Say("Startup script not finished yet. Waiting...")
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}
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return done, nil
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})
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if err != nil {
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err := fmt.Errorf("Error waiting for startup script to finish: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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ui.Say("Startup script, if any, has finished running.")
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return multistep.ActionContinue
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}
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// Cleanup.
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func (s *StepWaitInstanceStartup) Cleanup(state multistep.StateBag) {}
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