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#!/bin/bash
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limit=''
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while test $# -gt 0; do
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case "$1" in
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(-h|--help) cat <<EOF
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$0 [OPTIONS] FILES…
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OPTIONS
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-h, --help show this help
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-s, --limit service limit update to given service
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FILES…
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List of stack names or yaml files to deploy. There must be yaml
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files with the same name. The extension .yaml may be given or not.
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DESCRIPTION
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Updates the docker images of all services in the given stacks.
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EOF
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exit;;
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(-l|--limit) shift; limit=$1;;
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(*) break;;
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esac
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if test $# -lt 1; then
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echo "error: missing argument, try $0 --help" 1>&2
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exit 1
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fi
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shift
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done
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for f in $*; do
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name=${f%.yaml}
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file=${name}.yaml
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name=${name##*/}
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echo "upgrading ${name}"
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IFS="
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"
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for param in $(sed -n '/^ *\([^:]\+\): *$/{s//'"${name}"'_\1/;h};/^ *image: */{s///;G;s/\n/ /p}' $file); do
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IFS=" "
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if [ -z "$limit" ] || [[ "${param}" =~ " ${name}_${limit}" ]]; then
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echo "....update $param: docker service update -d --image $param"
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docker service update -d --image $param
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fi
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done
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done
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