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