[updatecli] Update 7.x snapshot to 7.17.28-SNAPSHOT (#2357)

* chore: [updatecli] Update 7.x snapshot to 7.17.28-SNAPSHOT
* Override elastic-agent image for 7.17 stack version

Made with ❤️️ by updatecli

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Mario Rodriguez Molins <mario.rodriguez@elastic.co>

Makefile

@@ -66,7 +66,7 @@ test-stack-command-oldest:
 	./scripts/test-stack-command.sh 7.14.2
 
 test-stack-command-7x:
-	./scripts/test-stack-command.sh 7.17.27-SNAPSHOT
+	./scripts/test-stack-command.sh 7.17.28-SNAPSHOT
 
 # Keeping a test for 8.6 because it has an specific configuration file.
 test-stack-command-86:

scripts/test-stack-command.sh

@@ -77,6 +77,14 @@ mkdir -p "${OUTPUT_PATH_STATUS}"
 elastic-package stack status 2> "${OUTPUT_PATH_STATUS}/initial.txt"
 grep "\- No service running" "${OUTPUT_PATH_STATUS}/initial.txt"
 
+EXPECTED_AGENT_VERSION="${EXPECTED_VERSION}"
+if [[ "${EXPECTED_VERSION}" =~ ^7\.17 ]] ; then
+    # Required starting with STACK_VERSION 7.17.21
+    export ELASTIC_AGENT_IMAGE_REF_OVERRIDE="docker.elastic.co/beats/elastic-agent-complete:${EXPECTED_VERSION}-amd64"
+    EXPECTED_AGENT_VERSION="${EXPECTED_VERSION}-amd64"
+    echo "Override elastic-agent docker image: ${ELASTIC_AGENT_IMAGE_REF_OVERRIDE}"
+fi
+
 # Update the stack
 elastic-package stack update -v ${ARG_VERSION}
 
@@ -93,9 +101,9 @@ Status of Elastic stack services:
 ╭──────────────────┬─────────┬───────────────────╮
 │ SERVICE          │ VERSION │ STATUS            │
 ├──────────────────┼─────────┼───────────────────┤
-│ elastic-agent    │ ${EXPECTED_VERSION}   │ running (healthy) │
+│ elastic-agent    │ ${EXPECTED_AGENT_VERSION}   │ running (healthy) │
 │ elasticsearch    │ ${EXPECTED_VERSION}   │ running (healthy) │
-│ fleet-server     │ ${EXPECTED_VERSION}   │ running (healthy) │
+│ fleet-server     │ ${EXPECTED_AGENT_VERSION}   │ running (healthy) │
 │ kibana           │ ${EXPECTED_VERSION}   │ running (healthy) │
 │ package-registry │ latest  │ running (healthy) │
 ╰──────────────────┴─────────┴───────────────────╯