fix: linked/depends-on container restarting (#1103)

scripts/docker-util.sh

@@ -0,0 +1,125 @@
+#!/usr/bin/env bash
+# This file is meant to be sourced into other scripts and contain some utility functions for docker e2e testing
+
+
+CONTAINER_PREFIX=${CONTAINER_PREFIX:-du}
+
+function get-port() {
+    Container=$1
+    Port=$2
+
+    if [ -z "$Container" ];  then
+      echo "CONTAINER missing" 1>&2
+      return 1
+    fi
+
+    if [ -z "$Port" ];  then
+      echo "PORT missing" 1>&2
+      return 1
+    fi
+
+    Query=".[].NetworkSettings.Ports[\"$Port/tcp\"] | .[0].HostPort"
+    docker container inspect "$Container" | jq -r "$Query"
+}
+
+function start-registry() {
+  local Name="$CONTAINER_PREFIX-registry"
+  echo -en "Starting \e[94m$Name\e[0m container... "
+  local Port="${1:-5000}"
+  docker run -d -p 5000:"$Port" --restart=unless-stopped --name "$Name" registry:2
+}
+
+function stop-registry() {
+  try-remove-container "$CONTAINER_PREFIX-registry"
+}
+
+function registry-host() {
+  echo "localhost:$(get-port "$CONTAINER_PREFIX"-registry 5000)"
+}
+
+function try-remove-container() {
+  echo -en "Looking for container \e[95m$1\e[0m... "
+  local Found
+  Found=$(container-id "$1")
+  if [ -n "$Found" ]; then
+    echo "$Found"
+    echo -n "  Stopping... "
+    docker stop "$1"
+    echo -n "  Removing... "
+    docker rm "$1"
+  else
+    echo "Not found"
+  fi
+}
+
+function create-dummy-image() {
+    if [ -z "$1" ];  then
+      echo "TAG missing"
+      return 1
+    fi
+    local Tag="$1"
+    local Repo
+    Repo="$(registry-host)"
+    local Revision=${2:-$(("$(date +%s)" - "$(date --date='2021-10-21' +%s)"))}
+
+    echo -e "Creating new image \e[95m$Tag\e[0m revision: \e[94m$Revision\e[0m"
+
+    local BuildDir="/tmp/docker-dummy-$Tag-$Revision"
+
+    mkdir -p "$BuildDir"
+
+    cat > "$BuildDir/Dockerfile" << END
+FROM alpine
+
+RUN echo "Tag: $Tag"
+RUN echo "Revision: $Revision"
+ENTRYPOINT ["nc", "-lk", "-v", "-l", "-p", "9090", "-e", "echo", "-e", "HTTP/1.1 200 OK\n\n$Tag $Revision"]
+END
+
+   docker build -t "$Repo/$Tag:latest" -t "$Repo/$Tag:r$Revision" "$BuildDir"
+
+   echo -e "Pushing images...\e[93m"
+   docker push -q "$Repo/$Tag:latest"
+   docker push -q "$Repo/$Tag:r$Revision"
+   echo -en "\e[0m"
+
+   rm -r "$BuildDir"
+}
+
+function query-rev() {
+  local Name=$1
+  if [ -z "$Name" ];  then
+    echo "NAME missing"
+    return 1
+  fi
+  curl -s "localhost:$(get-port "$Name" 9090)"
+}
+
+function latest-image-rev() {
+  local Tag=$1
+  if [ -z "$Tag" ];  then
+    echo "TAG missing"
+    return 1
+  fi
+  local ID
+  ID=$(docker image ls "$(registry-host)"/"$Tag":latest -q)
+  docker image inspect "$ID" | jq -r '.[].RepoTags | .[]' | grep  -v latest
+}
+
+function container-id() {
+  local Name=$1
+  if [ -z "$Name" ];  then
+    echo "NAME missing"
+    return 1
+  fi
+  docker container ls -f name="$Name" -q
+}
+
+function container-started() {
+  local Name=$1
+  if [ -z "$Name" ];  then
+    echo "NAME missing"
+    return 1
+  fi
+  docker container inspect "$Name" | jq -r .[].State.StartedAt
+}