Install ACL package for Solr Docker tests Github action (#2463)

ACL is no longer provided by default in Ubuntu 20.04

Other changes:
- Made tests easier to debug
- Removed two inconsequential lines from the Dockerfile

.github/workflows/docker-test.yml

@@ -28,6 +28,8 @@ jobs:
       uses: actions/setup-java@v1
       with:
         java-version: 11
+    - name: Install ACL
+      run: sudo apt-get install acl
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - uses: actions/cache@v2

solr/docker/Dockerfile

@@ -64,8 +64,6 @@ RUN set -ex; \
   mv /opt/solr/bin/solr.in.cmd /opt/solr/bin/solr.in.cmd.orig; \
   chmod 0664 /etc/default/solr.in.sh; \
   mkdir -p -m0770 /var/solr; \
-  sed -i -e "s/\"\$(whoami)\" == \"root\"/\$(id -u) == 0/" /opt/solr/bin/solr; \
-  sed -i -e 's/lsof -PniTCP:/lsof -t -PniTCP:/' /opt/solr/bin/solr; \
   chown -R "$SOLR_USER:0" /var/solr;
 
 VOLUME /var/solr

solr/docker/build.gradle

@@ -200,4 +200,4 @@ task dockerPush(dependsOn: tasks.dockerTag) {
 // One task to build and tag a Solr docker image
 task docker {
   dependsOn tasks.dockerBuild, tasks.dockerTag
-}
+}

solr/docker/tests/cases/empty-varsolr-vol-ramdomuser-rootgroup/test.sh

@@ -16,7 +16,7 @@ docker volume create "$myvarsolr"
 
 echo "Running $container_name"
 docker run \
-  --user 777:0 \
+  --user 7777:0 \
   -v "$myvarsolr:/var/solr" \
   --name "$container_name" \
   -d "$tag" solr-precreate getting-started

solr/docker/tests/shared.sh

@@ -55,6 +55,7 @@ function wait_for_server_started {
   while true; do
     docker logs "$container_name" > "${log}" 2>&1
     if grep -E -q '(o\.e\.j\.s\.Server Started|Started SocketConnector)' "${log}" ; then
+      docker logs "$container_name"
       break
     fi
 
@@ -130,4 +131,4 @@ echo "Test logs and build files can be found at: ${BUILD_DIR}"
 container_name="test-$(echo "${TEST_NAME}" | tr ':/-' '_')-$(echo "${tag}" | tr ':/-' '_')"
 
 echo "Cleaning up left-over containers from previous runs"
-container_cleanup "${container_name}"
+container_cleanup "${container_name}"