Bugfix/CSPL-3547 add app migration step to bias language script (#1469)

* CSPL-3547 add apps migration step to bias_lang_migration.sh + update corresponding docs

---------

Co-authored-by: Patryk Wasielewski <[email protected]>

Author: patrykw-splunk

docs/BiasLanguageMigration.md

@@ -79,6 +79,7 @@ The `updated` folder has all of the files needed for the migration. The next ste
 10) Apply IndexerCluster CR
 11) Apply SearchHeadCluster CR
 12) Apply Standalone CR
+13) Migrate apps from master-apps to manager-apps directory
 
 Once you validate your environment, you can delete the CM and LM CRs using the files in the folder `to_remove_CRs`. 
 Example: `kubectl delete -f ./to_remove_CRs/<filename>`

tools/bias_lang_migration.sh

@@ -561,6 +561,20 @@ get_current_deployment() {
 
 }
 
+# Migrate apps from master-app to manager-app directory
+migrate_appframework_dirs() {
+	PODS=$(kubectl get pod -n ${NS} | grep -i 'cluster-manager' | awk '{print $1}')
+	command="find /opt/splunk/etc/master-apps -mindepth 1 -maxdepth 1 ! -name '_cluster' -exec mv {} /opt/splunk/etc/manager-apps/ \;"
+
+	for pod in ${PODS}; do
+		echo "Executing command ${command} on pod=${pod}"
+		kubectl -n ${NS} exec -i ${pod} -- /bin/bash -c "${command}"
+		if [[ "$?" -ne 0 ]]; then
+			echo "Failed to execute command ${command} on pod=${pod}"
+		fi
+	done
+}
+
 # Driver for Migration Mode
 apply_new_CRs() {
 	echo -e "\nApplying new CRs generated:\n"
@@ -634,6 +648,8 @@ apply_new_CRs() {
 			fi
 		fi
 	done
+	
+	migrate_appframework_dirs
 
 	# Disable maintenance mode in all CMs migrated
 	for CM in "${to_disable_maint_mode[@]}"; do