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5532603e06
Included are scripts to monitor the CoreOS remote etag, as well as load a new image into a OpenStack Glance image store.
80 lines
2.7 KiB
Bash
Executable File
80 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# glance_load.sh
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#
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# A tool for loading a remote image into an OpenStack glance image store.
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# This tool has been optimized for use on CoreOS but should work for most files
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# where an ETag is exposed.
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#
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# You will need to source your glance credentials before using this script
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#
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# By default we retrieve the alpha image, set to a different value to retrieve
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# that release
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set -e -o pipefail
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release=${1:-"alpha"}
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if [[ "$1" != http* ]]; then
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baseurl="http://${release}.release.core-os.net/amd64-usr/current"
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else
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# for this convoluded trick, we take an arbitrary URL, chop it up, and try
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# to turn it into usable input for the rest of the script.
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# this is based on urls of the form:
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# http://storage.core-os.net/coreos/amd64-usr/master/version.txt
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# where the following sed expression extracts the "master" portion
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baseurl="${1%/*}"
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release="${baseurl##*/}"
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fi
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version_url="${baseurl}/version.txt"
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image_url="${baseurl}/coreos_production_openstack_image.img.bz2"
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# use the following location as our local work space
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tmplocation=$(mktemp -d /var/tmp/glanceload.XXX)
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pushd ${tmplocation} > /dev/null 2>&1
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curl --fail -s -L -O ${version_url}
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. version.txt
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# if we already have the image don't waste time
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if glance image-show "CoreOS-${release}-v${COREOS_VERSION}"; then
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echo "Image already exists."
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rm -rf ${tmplocation}
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exit
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fi
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coreosimg="coreos_${COREOS_VERSION}_openstack_image.img"
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# change the following line to reflect the image to be chosen, openstack
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# is used by default
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curl --fail -s -L ${image_url} | bunzip2 > ${coreosimg}
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# perform actual image creation
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# here we set the os_release, os_verison, os_family, and os_distro variables
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# for intelligent consumption of images by scripts
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glance image-create --name CoreOS-${release}-v${COREOS_VERSION} --progress \
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--is-public true --property os_distro=coreos --property os_family=coreos \
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--property os_version=${COREOS_VERSION} \
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--disk-format qcow2 --container-format bare --min-disk 6 --file $coreosimg
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# optionally, set --property os_release=${release} in the glance image-create
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# command above and uncomment the two commands below to support searching by
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# current channel as per CoreOS
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#
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# grab UUID of newly created image
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# new_glance_uuid=$(glance image-show CoreOS-${release}-v${COREOS_VERSION} | \
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# gawk '/ id / {print $4}')
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# purge all previous tags on releases
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#glance image-list --property "os_release=$release" \
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# | gawk '$4 ~ /CoreOS/ && !/'"$new_glance_uuid"'/ {printf \
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# "glance image-update --property os_distro=coreos --property \
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# os_family=coreos --property os_version=%s --purge-props %s \n",\
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# gensub(/CoreOS_v/, "", "g", $4), $2}' | sh
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popd > /dev/null 2>&1
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rm -rf ${tmplocation}
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# vim: set ts=2 sw=2 expandtab:
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