Automatic Service Restart (Debian) (#4530)

Signed-off-by: wieso-itzi <wieso-itzi@github.local>
Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>
Co-authored-by: wieso-itzi <wieso-itzi@github.local>
Co-authored-by: Peter Zhu <zhujiaxi@amazon.com>

scripts/pkg/build_templates/current/opensearch-dashboards/deb/debian/postinst

@@ -29,12 +29,21 @@ if command -v systemd-tmpfiles > /dev/null; then
     systemd-tmpfiles --create opensearch-dashboards.conf
 fi
 
-# Messages
-echo "### NOT starting on installation, please execute the following statements to configure opensearch-dashboards service to start automatically using systemd"
-echo " sudo systemctl daemon-reload"
-echo " sudo systemctl enable opensearch-dashboards.service"
-echo "### You can start opensearch-dashboards service by executing"
-echo " sudo systemctl start opensearch-dashboards.service"
+# Restart the service after an upgrade
+if [ "$1" = "configure" ] && [ -n "$2" ]; then
+    if command -v systemctl >/dev/null && systemctl is-enabled opensearch-dashboards.service >/dev/null; then
+        echo "Restarting opensearch-dashboards.service after upgrade"
+        systemctl start opensearch-dashboards.service
+    fi
+else
+    # Messages
+    echo "### NOT starting on installation, please execute the following statements to configure opensearch-dashboards service to start automatically using systemd"
+    echo " sudo systemctl daemon-reload"
+    echo " sudo systemctl enable opensearch-dashboards.service"
+    echo "### You can start opensearch-dashboards service by executing"
+    echo " sudo systemctl start opensearch-dashboards.service"
+fi
+
 echo "### Upcoming breaking change in packaging"
 echo " In a future release of OpenSearch Dashboards, we plan to change the permissions associated with access to installed files"
 echo " If you are configuring tools that require read access to the OpenSearch Dashboards configuration files, we recommend you add the user that runs these tools to the 'opensearch-dashboards' group"

scripts/pkg/build_templates/current/opensearch/deb/debian/postinst

@@ -63,17 +63,30 @@ if command -v systemd-tmpfiles > /dev/null; then
     systemd-tmpfiles --create opensearch.conf
 fi
 
-# Messages
-echo "### NOT starting on installation, please execute the following statements to configure opensearch service to start automatically using systemd"
-echo " sudo systemctl daemon-reload"
-echo " sudo systemctl enable opensearch.service"
-echo "### You can start opensearch service by executing"
-echo " sudo systemctl start opensearch.service"
-
-if [ -d ${product_dir}/plugins/opensearch-security ]; then
-    echo "### Create opensearch demo certificates in ${config_dir}/"
-    echo " See demo certs creation log in ${log_dir}/install_demo_configuration.log"
+# Restart the services after an upgrade
+if [ "$1" = "configure" ] && [ -n "$2" ]; then
+    if command -v systemctl >/dev/null && systemctl is-enabled opensearch.service >/dev/null; then
+        echo "Restarting opensearch.service after upgrade"
+        systemctl start opensearch.service
+    fi
+    if command -v systemctl >/dev/null && systemctl is-enabled opensearch-performance-analyzer.service >/dev/null; then
+        echo "Restarting opensearch-performance-analyzer.service after upgrade"
+        systemctl start opensearch-performance-analyzer.service
+    fi
+else
+    # Messages
+    echo "### NOT starting on installation, please execute the following statements to configure opensearch service to start automatically using systemd"
+    echo " sudo systemctl daemon-reload"
+    echo " sudo systemctl enable opensearch.service"
+    echo "### You can start opensearch service by executing"
+    echo " sudo systemctl start opensearch.service"
+
+    if [ -d ${product_dir}/plugins/opensearch-security ]; then
+        echo "### Create opensearch demo certificates in ${config_dir}/"
+        echo " See demo certs creation log in ${log_dir}/install_demo_configuration.log"
+    fi
 fi
+
 echo "### Upcoming breaking change in packaging"
 echo " In a future release of OpenSearch, we plan to change the permissions associated with access to installed files"
 echo " If you are configuring tools that require read access to the OpenSearch configuration files, we recommend you add the user that runs these tools to the 'opensearch' group"