mirror of
https://github.com/containrrr/watchtower.git
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fix: linked/depends-on container restarting (#1103)
This commit is contained in:
nils måsén
GitHub
parent
aa02d8d31b
commit
084249c5fc
5 changed files with 358 additions and 21 deletions
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@ -1,16 +1,103 @@
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#!/usr/bin/env bash
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# Simulates a container that will always be updated, checking whether it shuts down it's dependencies correctly.
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# Note that this test does not verify the results in any way
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docker rm -f parent || true
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docker rm -f depending || true
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set -e
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SCRIPT_ROOT=$(dirname "$(readlink -m "$(type -p "$0")")")
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source "$SCRIPT_ROOT/docker-util.sh"
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CHANGE=redis:latest
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KEEP=tutum/hello-world
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DepArgs=""
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if [ -z "$1" ] || [ "$1" == "depends-on" ]; then
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DepArgs="--label com.centurylinklabs.watchtower.depends-on=parent"
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elif [ "$1" == "linked" ]; then
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DepArgs="--link parent"
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else
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DepArgs=$1
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fi
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docker tag tutum/hello-world:latest redis:latest
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WatchArgs="${*:2}"
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if [ -z "$WatchArgs" ]; then
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WatchArgs="--debug"
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fi
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docker run -d --name parent $CHANGE
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docker run -d --name depending --link parent $KEEP
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try-remove-container parent
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try-remove-container depending
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go run . --run-once --debug $@
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REPO=$(registry-host)
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create-dummy-image deptest/parent
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create-dummy-image deptest/depending
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echo ""
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echo -en "Starting \e[94mparent\e[0m container... "
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CmdParent="docker run -d -p 9090 --name parent $REPO/deptest/parent"
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$CmdParent
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PARENT_REV_BEFORE=$(query-rev parent)
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PARENT_START_BEFORE=$(container-started parent)
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echo -e "Rev: \e[92m$PARENT_REV_BEFORE\e[0m"
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echo -e "Started: \e[96m$PARENT_START_BEFORE\e[0m"
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echo -e "Command: \e[37m$CmdParent\e[0m"
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echo ""
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echo -en "Starting \e[94mdepending\e[0m container... "
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CmdDepend="docker run -d -p 9090 --name depending $DepArgs $REPO/deptest/depending"
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$CmdDepend
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DEPEND_REV_BEFORE=$(query-rev depending)
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DEPEND_START_BEFORE=$(container-started depending)
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echo -e "Rev: \e[92m$DEPEND_REV_BEFORE\e[0m"
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echo -e "Started: \e[96m$DEPEND_START_BEFORE\e[0m"
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echo -e "Command: \e[37m$CmdDepend\e[0m"
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echo -e ""
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create-dummy-image deptest/parent
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echo -e "\nRunning watchtower..."
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if [ -z "$WATCHTOWER_TAG" ]; then
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## Windows support:
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#export DOCKER_HOST=tcp://localhost:2375
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#export CLICOLOR=1
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go run . --run-once $WatchArgs
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else
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docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock containrrr/watchtower:"$WATCHTOWER_TAG" --run-once $WatchArgs
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fi
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echo -e "\nSession results:"
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PARENT_REV_AFTER=$(query-rev parent)
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PARENT_START_AFTER=$(container-started parent)
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echo -en " Parent image: \e[95m$PARENT_REV_BEFORE\e[0m => \e[94m$PARENT_REV_AFTER\e[0m "
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if [ "$PARENT_REV_AFTER" == "$PARENT_REV_BEFORE" ]; then
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echo -e "(\e[91mSame\e[0m)"
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else
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echo -e "(\e[92mUpdated\e[0m)"
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fi
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echo -en " Parent container: \e[95m$PARENT_START_BEFORE\e[0m => \e[94m$PARENT_START_AFTER\e[0m "
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if [ "$PARENT_START_AFTER" == "$PARENT_START_BEFORE" ]; then
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echo -e "(\e[91mSame\e[0m)"
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else
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echo -e "(\e[92mRestarted\e[0m)"
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fi
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echo ""
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DEPEND_REV_AFTER=$(query-rev depending)
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DEPEND_START_AFTER=$(container-started depending)
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echo -en " Depend image: \e[95m$DEPEND_REV_BEFORE\e[0m => \e[94m$DEPEND_REV_AFTER\e[0m "
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if [ "$DEPEND_REV_BEFORE" == "$DEPEND_REV_AFTER" ]; then
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echo -e "(\e[92mSame\e[0m)"
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else
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echo -e "(\e[91mUpdated\e[0m)"
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fi
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echo -en " Depend container: \e[95m$DEPEND_START_BEFORE\e[0m => \e[94m$DEPEND_START_AFTER\e[0m "
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if [ "$DEPEND_START_BEFORE" == "$DEPEND_START_AFTER" ]; then
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echo -e "(\e[91mSame\e[0m)"
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else
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echo -e "(\e[92mRestarted\e[0m)"
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fi
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echo ""
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125
scripts/docker-util.sh
Normal file
125
scripts/docker-util.sh
Normal file
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@ -0,0 +1,125 @@
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#!/usr/bin/env bash
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# This file is meant to be sourced into other scripts and contain some utility functions for docker e2e testing
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CONTAINER_PREFIX=${CONTAINER_PREFIX:-du}
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function get-port() {
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Container=$1
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Port=$2
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if [ -z "$Container" ]; then
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echo "CONTAINER missing" 1>&2
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return 1
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fi
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if [ -z "$Port" ]; then
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echo "PORT missing" 1>&2
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return 1
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fi
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Query=".[].NetworkSettings.Ports[\"$Port/tcp\"] | .[0].HostPort"
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docker container inspect "$Container" | jq -r "$Query"
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}
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function start-registry() {
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local Name="$CONTAINER_PREFIX-registry"
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echo -en "Starting \e[94m$Name\e[0m container... "
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local Port="${1:-5000}"
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docker run -d -p 5000:"$Port" --restart=unless-stopped --name "$Name" registry:2
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}
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function stop-registry() {
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try-remove-container "$CONTAINER_PREFIX-registry"
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}
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function registry-host() {
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echo "localhost:$(get-port "$CONTAINER_PREFIX"-registry 5000)"
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}
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function try-remove-container() {
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echo -en "Looking for container \e[95m$1\e[0m... "
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local Found
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Found=$(container-id "$1")
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if [ -n "$Found" ]; then
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echo "$Found"
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echo -n " Stopping... "
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docker stop "$1"
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echo -n " Removing... "
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docker rm "$1"
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else
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echo "Not found"
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fi
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}
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function create-dummy-image() {
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if [ -z "$1" ]; then
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echo "TAG missing"
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return 1
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fi
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local Tag="$1"
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local Repo
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Repo="$(registry-host)"
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local Revision=${2:-$(("$(date +%s)" - "$(date --date='2021-10-21' +%s)"))}
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echo -e "Creating new image \e[95m$Tag\e[0m revision: \e[94m$Revision\e[0m"
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local BuildDir="/tmp/docker-dummy-$Tag-$Revision"
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mkdir -p "$BuildDir"
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cat > "$BuildDir/Dockerfile" << END
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FROM alpine
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RUN echo "Tag: $Tag"
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RUN echo "Revision: $Revision"
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ENTRYPOINT ["nc", "-lk", "-v", "-l", "-p", "9090", "-e", "echo", "-e", "HTTP/1.1 200 OK\n\n$Tag $Revision"]
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END
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docker build -t "$Repo/$Tag:latest" -t "$Repo/$Tag:r$Revision" "$BuildDir"
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echo -e "Pushing images...\e[93m"
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docker push -q "$Repo/$Tag:latest"
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docker push -q "$Repo/$Tag:r$Revision"
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echo -en "\e[0m"
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rm -r "$BuildDir"
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}
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function query-rev() {
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local Name=$1
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if [ -z "$Name" ]; then
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echo "NAME missing"
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return 1
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fi
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curl -s "localhost:$(get-port "$Name" 9090)"
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}
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function latest-image-rev() {
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local Tag=$1
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if [ -z "$Tag" ]; then
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echo "TAG missing"
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return 1
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fi
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local ID
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ID=$(docker image ls "$(registry-host)"/"$Tag":latest -q)
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docker image inspect "$ID" | jq -r '.[].RepoTags | .[]' | grep -v latest
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}
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function container-id() {
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local Name=$1
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if [ -z "$Name" ]; then
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echo "NAME missing"
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return 1
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fi
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docker container ls -f name="$Name" -q
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}
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function container-started() {
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local Name=$1
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if [ -z "$Name" ]; then
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echo "NAME missing"
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return 1
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fi
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docker container inspect "$Name" | jq -r .[].State.StartedAt
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}
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58
scripts/du-cli.sh
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58
scripts/du-cli.sh
Normal file
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@ -0,0 +1,58 @@
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#!/usr/bin/env bash
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SCRIPT_ROOT=$(dirname "$(readlink -m "$(type -p "$0")")")
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source "$SCRIPT_ROOT/docker-util.sh"
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case $1 in
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registry | reg | r)
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case $2 in
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start)
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start-registry
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;;
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stop)
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stop-registry
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;;
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host)
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registry-host
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;;
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*)
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echo "Unknown keyword \"$2\""
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;;
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esac
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;;
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image | img | i)
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case $2 in
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rev)
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create-dummy-image "${@:3:2}"
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;;
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latest)
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latest-image-rev "$3"
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;;
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*)
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echo "Unknown keyword \"$2\""
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;;
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esac
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;;
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container | cnt | c)
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case $2 in
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query)
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query-rev "$3"
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;;
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rm)
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try-remove-container "$3"
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;;
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id)
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container-id "$3"
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;;
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started)
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container-started "$3"
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;;
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*)
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echo "Unknown keyword \"$2\""
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;;
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esac
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;;
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*)
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echo "Unknown keyword \"$1\""
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;;
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esac
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