kube-prometheus: Add etcd dashboard

assets/grafana/.gitignore

@@ -1 +0,0 @@
-*-dashboard.json

assets/grafana/generated/.gitignore

@@ -0,0 +1,2 @@
+*-dashboard.json
+*-datasource.json

hack/scripts/generate-dashboards-configmap.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 set -e
+set +x
 
 cat <<-EOF
 apiVersion: v1
@@ -9,23 +10,42 @@ metadata:
 data:
 EOF
 
+for f in assets/grafana/generated/*-dashboard.json
+do
+    rm -rf $f
+done
+
+for f in assets/grafana/generated/*-datasource.json
+do
+    rm -rf $f
+done
+
 virtualenv -p python3 .env
 source .env/bin/activate
 pip install -Ur requirements.txt
 for f in assets/grafana/*.dashboard.py
 do
-  JSON_FILENAME="$(pwd)/${f%%.*}-dashboard.json"
+  basefilename=$(basename $f)
+  JSON_FILENAME="assets/grafana/generated/${basefilename%%.*}-dashboard.json"
   generate-dashboard $f -o $JSON_FILENAME 2>&1 > /dev/null
 done
 
-for f in assets/grafana/*-dashboard.json
+cp assets/grafana/raw-json-dashboards/*-dashboard.json assets/grafana/generated/
+
+for f in assets/grafana/generated/*-dashboard.json
 do
-  echo "  $(basename $f): |+"
-  hack/scripts/wrap-dashboard.sh $f | sed "s/^/    /g"
+  basefilename=$(basename $f)
+  echo "  $basefilename: |+"
+  if [ "$basefilename" -eq "etcd-dashboard.json" ]; then
+    hack/scripts/wrap-dashboard.sh $f prometheus-etcd | sed "s/^/    /g"
+  else
+    hack/scripts/wrap-dashboard.sh $f prometheus-k8s | sed "s/^/    /g"
+  fi
 done
 
 for f in assets/grafana/*-datasource.json
 do
+  cp $f assets/grafana/generated/
   echo "  $(basename $f): |+"
   cat $f | sed "s/^/    /g"
 done

hack/scripts/generate-manifests.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 set -e
+set +x
 
 # Generate Alert Rules ConfigMap
 hack/scripts/generate-rules-configmap.sh > manifests/prometheus/prometheus-k8s-rules.yaml
@@ -14,7 +15,7 @@ hack/scripts/generate-dashboards-configmap.sh > manifests/grafana/grafana-dashbo
 # grafana deployment output file: manifests/grafana/grafana-deployment.yaml
 test -f manifests/grafana/grafana-dashboards.yaml && rm -f manifests/grafana/grafana-dashboards.yaml
 test -f manifests/grafana/grafana-deployment.yaml && rm -f manifests/grafana/grafana-deployment.yaml
-hack/grafana-dashboards-configmap-generator/bin/grafana_dashboards_generate.sh -s 240000 -i assets/grafana -o manifests/grafana/grafana-dashboards.yaml -g manifests/grafana/grafana-deployment.yaml
+hack/grafana-dashboards-configmap-generator/bin/grafana_dashboards_generate.sh -s 240000 -i assets/grafana/generated -o manifests/grafana/grafana-dashboards.yaml -g manifests/grafana/grafana-deployment.yaml
 
 # Generate Grafana Credentials Secret
 hack/scripts/generate-grafana-credentials-secret.sh admin admin > manifests/grafana/grafana-credentials.yaml

hack/scripts/wrap-dashboard.sh

@@ -15,12 +15,18 @@
 #  * Apply new configmap:
 #      kubectl -n monitoring apply -f manifests/grafana/grafana-cm.yaml
 
-if [ "$#" -ne 1 ]; then
-    echo "Usage: $0 path-to-dashboard.json"
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 path-to-dashboard.json grafana-prometheus-datasource-name"
     exit 1
 fi
 
 dashboardjson=$1
+datasource_name=$2
+inputname="DS_PROMETHEUS"
+
+if [ "$datasource_name" -eq "prometheus-etcd" ]; then
+  $inputname="DS_PROMETHEUS-ETCD"
+fi
 
 cat <<EOF
 {
@@ -33,10 +39,10 @@ cat <<EOF
 ,
   "inputs": [
     {
-      "name": "DS_PROMETHEUS",
+      "name": "$inputname",
       "pluginId": "prometheus",
       "type": "datasource",
-      "value": "prometheus"
+      "value": "$datasource_name"
     }
   ],
   "overwrite": true