ci: add a upgrade bats test

Fixes #3601

Signed-off-by: Ramkumar Chinchani <[email protected]>

Author: rchincha

test/blackbox/ci.sh

@@ -15,7 +15,7 @@ tests=("pushpull" "pushpull_authn" "delete_images" "referrers" "metadata" "anony
       "annotations" "detect_manifest_collision" "cve" "sync" "sync_docker" "sync_replica_cluster"
       "scrub" "garbage_collect" "metrics" "metrics_minimal" "multiarch_index" "docker_compat" "redis_local" "redis_session_store"
       "events_nats" "events_http" "events_nats_lint_failure" "events_http_lint_failure" "events_sink_failure" "events_config_decoding"
-      "fips140" "fips140_authn" "openid_claim_mapping")
+      "fips140" "fips140_authn" "openid_claim_mapping" "upgrade" "upgrade_minimal")
 
 for test in ${tests[*]}; do
     ${BATS} ${BATS_FLAGS} ${SCRIPTPATH}/${test}.bats > ${test}.log & pids+=($!)

test/blackbox/helpers_zot.bash

@@ -28,6 +28,46 @@ function zot_serve() {
     echo -n "$! " >> ${BATS_FILE_TMPDIR}/zot.pid
 }
 
+function zot_rel_serve() {
+    local config_file
+    if [ -n "${2}" ]; then
+        config_file=${2}
+    else
+        config_file=${1}
+    fi
+
+    local zot_path=${BATS_FILE_TMPDIR}/zot-rel-${OS}-${ARCH}
+
+    if [ ! -f "${zot_path}" ]; then
+        curl -L -o "${zot_path}" https://github.com/project-zot/zot/releases/latest/download/zot-${OS}-${ARCH}
+        chmod +x "${zot_path}"
+    fi
+
+    ${zot_path} serve ${config_file} &
+    # zot.pid file keeps a list of zot server PIDs (in case multiple zot servers are started)
+    echo -n "$! " >> ${BATS_FILE_TMPDIR}/zot.pid
+}
+
+function zot_rel_min_serve() {
+    local config_file
+    if [ -n "${2}" ]; then
+        config_file=${2}
+    else
+        config_file=${1}
+    fi
+
+    local zot_path=${BATS_FILE_TMPDIR}/zot-rel-${OS}-${ARCH}-minimal
+
+    if [ ! -f "${zot_path}" ]; then
+        curl -L -o "${zot_path}" https://github.com/project-zot/zot/releases/latest/download/zot-${OS}-${ARCH}-minimal
+        chmod +x "${zot_path}"
+    fi
+
+    ${zot_path} serve ${config_file} &
+    # zot.pid file keeps a list of zot server PIDs (in case multiple zot servers are started)
+    echo -n "$! " >> ${BATS_FILE_TMPDIR}/zot.pid
+}
+
 # stops all zot instances started by the test
 function zot_stop_all() {
     if [ -f "${BATS_FILE_TMPDIR}/zot.pid" ]; then