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|
package googlecompute
import (
"fmt"
)
const StartupScriptKey string = "startup-script"
const StartupScriptStatusKey string = "startup-script-status"
const StartupWrappedScriptKey string = "packer-wrapped-startup-script"
const StartupScriptStatusDone string = "done"
const StartupScriptStatusError string = "error"
const StartupScriptStatusNotDone string = "notdone"
var StartupScriptLinux string = fmt.Sprintf(`#!/usr/bin/env bash
echo "Packer startup script starting."
RETVAL=0
BASEMETADATAURL=http://metadata/computeMetadata/v1/instance/
GetMetadata () {
echo "$(curl -f -H "Metadata-Flavor: Google" ${BASEMETADATAURL}/${1} 2> /dev/null)"
}
ZONE=$(basename $(GetMetadata zone))
SetMetadata () {
gcloud compute instances add-metadata ${HOSTNAME} --metadata ${1}=${2} --zone ${ZONE}
}
STARTUPSCRIPT=$(GetMetadata attributes/%s)
STARTUPSCRIPTPATH=/packer-wrapped-startup-script
if [ -f "/var/log/startupscript.log" ]; then
STARTUPSCRIPTLOGPATH=/var/log/startupscript.log
else
STARTUPSCRIPTLOGPATH=/var/log/daemon.log
fi
STARTUPSCRIPTLOGDEST=$(GetMetadata attributes/startup-script-log-dest)
if [[ ! -z $STARTUPSCRIPT ]]; then
echo "Executing user-provided startup script..."
echo "${STARTUPSCRIPT}" > ${STARTUPSCRIPTPATH}
chmod +x ${STARTUPSCRIPTPATH}
${STARTUPSCRIPTPATH}
RETVAL=$?
if [[ ! -z $STARTUPSCRIPTLOGDEST ]]; then
echo "Uploading user-provided startup script log to ${STARTUPSCRIPTLOGDEST}..."
gsutil -h "Content-Type:text/plain" cp ${STARTUPSCRIPTLOGPATH} ${STARTUPSCRIPTLOGDEST}
fi
rm ${STARTUPSCRIPTPATH}
fi
echo "Packer startup script done."
SetMetadata %s %s
exit $RETVAL
`, StartupWrappedScriptKey, StartupScriptStatusKey, StartupScriptStatusDone)
var StartupScriptWindows string = ""
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