77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
package googlecomputeexport
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var StartupScript string = `#!/bin/sh
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GetMetadata () {
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echo "$(curl -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/$1 2> /dev/null)"
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}
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IMAGENAME=$(GetMetadata image_name)
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NAME=$(GetMetadata name)
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DISKNAME=${NAME}-toexport
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PATHS=$(GetMetadata paths)
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ZONE=$(GetMetadata zone)
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Exit () {
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for i in ${PATHS}; do
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LOGDEST="${i}.exporter.log"
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echo "Uploading exporter log to ${LOGDEST}..."
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gsutil -h "Content-Type:text/plain" cp /var/log/daemon.log ${LOGDEST}
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done
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exit $1
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}
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echo "####### Export configuration #######"
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echo "Image name - ${IMAGENAME}"
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echo "Instance name - ${NAME}"
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echo "Instance zone - ${ZONE}"
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echo "Disk name - ${DISKNAME}"
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echo "Export paths - ${PATHS}"
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echo "####################################"
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echo "Creating disk from image to be exported..."
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if ! gcloud compute disks create ${DISKNAME} --image ${IMAGENAME} --zone ${ZONE}; then
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echo "Failed to create disk."
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Exit 1
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fi
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echo "Attaching disk..."
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if ! gcloud compute instances attach-disk ${NAME} --disk ${DISKNAME} --device-name toexport --zone ${ZONE}; then
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echo "Failed to attach disk."
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Exit 1
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fi
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echo "Dumping disk..."
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if ! dd if=/dev/disk/by-id/google-toexport of=disk.raw bs=4096 conv=sparse; then
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echo "Failed to dump disk to image."
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Exit 1
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fi
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echo "Compressing and tar'ing disk image..."
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if ! tar -czf root.tar.gz disk.raw; then
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echo "Failed to tar disk image."
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Exit 1
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fi
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echo "Detaching disk..."
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if ! gcloud compute instances detach-disk ${NAME} --disk ${DISKNAME} --zone ${ZONE}; then
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echo "Failed to detach disk."
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fi
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FAIL=0
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echo "Deleting disk..."
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if ! gcloud compute disks delete ${DISKNAME} --zone ${ZONE}; then
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echo "Failed to delete disk."
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FAIL=1
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fi
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for i in ${PATHS}; do
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echo "Uploading tar'ed disk image to ${i}..."
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if ! gsutil -o GSUtil:parallel_composite_upload_threshold=100M cp root.tar.gz ${i}; then
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echo "Failed to upload image to ${i}."
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FAIL=1
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fi
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done
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Exit ${FAIL}
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`
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