Merge #550

550: [backports/1.3/manifests] backported changes to manifests r=anguslees a=sameersbn

- manifests: reload grafana pods on ConfigMap updates
- manifests: define grafana plugins array

Co-authored-by: Sameer Naik <sameer@bitnami.com>

docs/components.md

@@ -431,6 +431,24 @@ custom_dashboards: kube.ConfigMap($.p + "grafana-custom-dashboards") + $.metadat
 
 And mount that ConfigMap in the desired location inside the Grafana pod.
 
+#### Grafana Plugins
+
+Plugins enables users to add support for various types of datasources, panels and apps to Grafana. Checkout the official [Plugin Repository](https://grafana.com/plugins) to discover the available plugins for Grafana.
+
+To install additional plug-ins, override the `plugins` item inside the `grafana` scope, like this:
+
+```jsonnet
+(import "../../manifests/platforms/aks.jsonnet") {
+    config:: import "kubeprod-autogen.json",
+    grafana+: {
+        plugins+: [
+            "grafana-piechart-panel",
+            "grafana-worldmap-panel",
+        ],
+    },
+}
+```
+
 ## Ingress stack
 ### NGINX Ingress Controller
 

manifests/components/grafana.jsonnet

@@ -39,6 +39,9 @@ local GRAFANA_DATA_MOUNTPOINT = "/opt/bitnami/grafana/data";
   // Amount of persistent storage required by Alertmanager
   storage:: "1Gi",
 
+  // List of plugins to install
+  plugins:: [],
+
   prometheus:: error "No Prometheus service",
 
   // Default to "Admin". See http://docs.grafana.org/permissions/overview/ for
@@ -73,7 +76,7 @@ local GRAFANA_DATA_MOUNTPOINT = "/opt/bitnami/grafana/data";
   },
 
   // Generates YAML configuration under provisioning/datasources/
-  datasources: kube.ConfigMap($.p + "grafana-prometheus-datasource") + $.metadata {
+  datasources: utils.HashedConfigMap($.p + "grafana-datasource-configuration") + $.metadata {
     local this = self,
     datasources:: {
       // Built-in datasource for BKPR's Prometheus
@@ -94,7 +97,7 @@ local GRAFANA_DATA_MOUNTPOINT = "/opt/bitnami/grafana/data";
   },
 
   // Generates YAML dashboard configuration under provisioning/dashboards/
-  dashboards_provider: kube.ConfigMap($.p + "grafana-dashboards-configuration") + $.metadata {
+  dashboards_provider: utils.HashedConfigMap($.p + "grafana-dashboards-configuration") + $.metadata {
     local this = self,
     dashboard_provider:: {
       // Grafana dashboards configuration
@@ -117,7 +120,7 @@ local GRAFANA_DATA_MOUNTPOINT = "/opt/bitnami/grafana/data";
     },
   },
 
-  kubernetes_dashboards: kube.ConfigMap($.p + "grafana-kubernetes-dashboards") + $.metadata {
+  kubernetes_dashboards: utils.HashedConfigMap($.p + "grafana-kubernetes-dashboards") + $.metadata {
     local this = self,
     data+: {
       "k8s_cluster_capacity.json": importstr "grafana-dashboards/handcrafted/kubernetes/k8s_cluster_capacity.json",
@@ -158,6 +161,7 @@ local GRAFANA_DATA_MOUNTPOINT = "/opt/bitnami/grafana/data";
                 GF_LOG_MODE: "console",
                 GF_LOG_LEVEL: "warn",
                 GF_METRICS_ENABLED: "true",
+                GF_INSTALL_PLUGINS: std.join(",", $.plugins),
               },
               ports_+: {
                 dashboard: { containerPort: 3000 },