#273 Add get-latest.sh script to the PVC backup provider

backup/pvc/bin/get-latest.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+[[ -z "${BACKUP_DIR}" ]] && echo "Required 'BACKUP_DIR' env not set" && exit 1
+
+latest=$(find ${BACKUP_DIR} -name '*.tar.gz' -exec basename {} \; | sort -g | tail -n 1)
+
+if [[ "${latest}" == "" ]]; then
+  echo "-1"
+else
+  echo "${latest%%.*}"
+fi

backup/pvc/e2e/get-latest/test.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+set -eo pipefail
+
+[[ "${DEBUG}" ]] && set -x
+
+# set current working directory to the directory of the script
+cd "$(dirname "$0")"
+
+docker_image=$1
+
+if ! docker inspect ${docker_image} &> /dev/null; then
+    echo "Image '${docker_image}' does not exists"
+    false
+fi
+
+JENKINS_HOME="$(pwd)/jenkins_home"
+BACKUP_DIR="$(pwd)/backup"
+mkdir -p ${BACKUP_DIR}
+mkdir -p ${JENKINS_HOME}
+
+mkdir -p ${BACKUP_DIR}/lost+found
+touch ${BACKUP_DIR}/1.tar.gz
+touch ${BACKUP_DIR}/2.tar.gz
+touch ${BACKUP_DIR}/3.tar.gz
+touch ${BACKUP_DIR}/4.tar.gz
+touch ${BACKUP_DIR}/5.tar.gz
+touch ${BACKUP_DIR}/6.tar.gz
+touch ${BACKUP_DIR}/7.tar.gz
+touch ${BACKUP_DIR}/8.tar.gz
+touch ${BACKUP_DIR}/9.tar.gz
+touch ${BACKUP_DIR}/10.tar.gz
+touch ${BACKUP_DIR}/11.tar.gz
+
+# Create an instance of the container under testing
+cid="$(docker run -e JENKINS_HOME=${JENKINS_HOME} -v ${JENKINS_HOME}:${JENKINS_HOME}:ro -e BACKUP_DIR=${BACKUP_DIR} -v ${BACKUP_DIR}:${BACKUP_DIR}:rw -d ${docker_image})"
+echo "Docker container ID '${cid}'"
+
+# Remove test directory and container afterwards
+trap "docker rm -vf $cid > /dev/null;rm -rf ${BACKUP_DIR};rm -rf ${JENKINS_HOME}" EXIT
+
+latest=$(docker exec ${cid} /bin/bash -c "JENKINS_HOME=${RESTORE_FOLDER};/home/user/bin/get-latest.sh")
+rm ${BACKUP_DIR}/*.tar.gz
+empty_latest=$(docker exec ${cid} /bin/bash -c "JENKINS_HOME=${RESTORE_FOLDER};/home/user/bin/get-latest.sh")
+
+if [[ "${DEBUG}" ]]; then
+    docker logs ${cid}
+    ls -la ${BACKUP_DIR}
+fi
+
+if [[ ! "${latest}" == "11" ]]; then
+    echo "Latest backup number should be '11' but is '${latest}'"
+    exit 1
+fi
+if [[ ! "${empty_latest}" == "-1" ]]; then
+    echo "Latest backup number should be '-1' but is '${empty_latest}'"
+    exit 1
+fi
+
+echo PASS