Update legacy-standalone-major-managed to support 7->8->9 upgrade (#16131)

Author: ericywl

testing/smoke/legacy-standalone-major-managed/test.sh

@@ -7,52 +7,77 @@ if [[ "${1}" != "7.17" && "${1}" != "latest" ]]; then
     exit 0
 fi
 
-. $(git rev-parse --show-toplevel)/testing/smoke/lib.sh
+. "$(git rev-parse --show-toplevel)/testing/smoke/lib.sh"
 
-VERSION=7.17
-get_versions
+VERSION_7=7.17
 if [[ "${1}" == "latest" ]]; then
-    # a SNAPSHOT version can only be upgraded to another SNAPSHOT version
-    get_latest_snapshot_for_version ${VERSION}
-    LATEST_VERSION=${LATEST_SNAPSHOT_VERSION}
-    ASSERTION_VERSION=${LATEST_SNAPSHOT_VERSION%-*} # strip -SNAPSHOT suffix
+    # SNAPSHOT version can only be upgraded to another SNAPSHOT version
+    get_latest_snapshot_for_version ${VERSION_7}
+    LATEST_VERSION_7=${LATEST_SNAPSHOT_VERSION}
+    ASSERTION_VERSION_7=${LATEST_SNAPSHOT_VERSION%-*} # strip -SNAPSHOT suffix
     get_latest_snapshot
-    NEXT_MAJOR_LATEST=$(echo $VERSIONS | jq -r -c '.[-1]')
-    ASSERTION_NEXT_MAJOR_LATEST=${NEXT_MAJOR_LATEST%-*} # strip -SNAPSHOT suffix
+    LATEST_VERSION_8=$(echo "${VERSIONS}" | jq -r '[.[] | select(. | startswith("8"))] | last')
+    ASSERTION_VERSION_8=${LATEST_VERSION_8%-*} # strip -SNAPSHOT suffix
+    LATEST_VERSION_9=$(echo "${VERSIONS}" | jq -r '[.[] | select(. | startswith("9"))] | last')
+    ASSERTION_VERSION_9=${LATEST_VERSION_9%-*} # strip -SNAPSHOT suffix
 else
-    get_latest_patch ${VERSION}
-    LATEST_VERSION=${VERSION}.${LATEST_PATCH}
-    ASSERTION_VERSION=${LATEST_VERSION}
-    NEXT_MAJOR_LATEST=$(echo ${VERSIONS} | jq -r '[.[] | select(. | startswith("8"))] | last')
-    ASSERTION_NEXT_MAJOR_LATEST=${NEXT_MAJOR_LATEST}
+    get_latest_patch ${VERSION_7}
+    LATEST_VERSION_7=${VERSION_7}.${LATEST_PATCH}
+    ASSERTION_VERSION_7=${LATEST_VERSION_7}
+    get_versions
+    LATEST_VERSION_8=$(echo "${VERSIONS}" | jq -r '[.[] | select(. | startswith("8"))] | last')
+    ASSERTION_VERSION_8=${LATEST_VERSION_8}
+    LATEST_VERSION_9=$(echo "${VERSIONS}" | jq -r '[.[] | select(. | startswith("9"))] | last')
+    ASSERTION_VERSION_9=${LATEST_VERSION_9}
 fi
 
-echo "-> Running ${LATEST_VERSION} standalone to ${NEXT_MAJOR_LATEST} to ${NEXT_MAJOR_LATEST} managed"
+if [[ -n ${LATEST_VERSION_9} ]]; then
+    echo "-> Running ${LATEST_VERSION_7} standalone to ${LATEST_VERSION_8} standalone to ${LATEST_VERSION_9} standalone to ${LATEST_VERSION_9} managed"
+else
+    echo "-> Running ${LATEST_VERSION_7} standalone to ${LATEST_VERSION_8} standalone to ${LATEST_VERSION_8} managed"
+fi
 
 if [[ -z ${SKIP_DESTROY} ]]; then
     trap "terraform_destroy" EXIT
 fi
 
+# Version 7
 INTEGRATIONS_SERVER=false
 cleanup_tfvar
-append_tfvar "stack_version" ${LATEST_VERSION}
+append_tfvar "stack_version" "${LATEST_VERSION_7}"
 append_tfvar "integrations_server" ${INTEGRATIONS_SERVER}
 terraform_apply
 healthcheck 1
 send_events
-legacy_assertions ${ASSERTION_VERSION}
+legacy_assertions "${ASSERTION_VERSION_7}"
 
+# Version 8
 cleanup_tfvar
-append_tfvar "stack_version" ${NEXT_MAJOR_LATEST}
+append_tfvar "stack_version" "${LATEST_VERSION_8}"
 append_tfvar "integrations_server" ${INTEGRATIONS_SERVER}
 terraform_apply
 healthcheck 1
 send_events
-data_stream_assertions ${ASSERTION_NEXT_MAJOR_LATEST}
+data_stream_assertions "${ASSERTION_VERSION_8}"
+
+# Version 9 (if exists)
+MANAGED_VERSION="${LATEST_VERSION_8}"
+ASSERTION_MANAGED_VERSION="${ASSERTION_VERSION_8}"
+if [[ -n ${LATEST_VERSION_9} ]]; then
+    cleanup_tfvar
+    append_tfvar "stack_version" "${LATEST_VERSION_9}"
+    append_tfvar "integrations_server" ${INTEGRATIONS_SERVER}
+    terraform_apply
+    healthcheck 1
+    send_events
+    data_stream_assertions "${ASSERTION_VERSION_9}"
+    MANAGED_VERSION="${LATEST_VERSION_9}"
+    ASSERTION_MANAGED_VERSION="${ASSERTION_VERSION_9}"
+fi
 
-upgrade_managed ${NEXT_MAJOR_LATEST}
+upgrade_managed "${MANAGED_VERSION}"
 healthcheck 1
 send_events
 # Assert there are 2 instances of the same event, since we ingested data twice
 # using the same APM Server version.
-data_stream_assertions ${ASSERTION_NEXT_MAJOR_LATEST} 2
+data_stream_assertions "${ASSERTION_MANAGED_VERSION}" 2