adding namespace is not necessary.

build.sh

@@ -5,32 +5,24 @@ kubectl --namespace monitoring create configmap --dry-run prometheus-rules \
   --from-file=configs/prometheus/rules \
   --output yaml \
     > ./manifests/prometheus/prometheus-rules.yaml
-# Workaround since `--namespace monitoring` from above is not preserved
-echo "  namespace: monitoring" >> ./manifests/prometheus/prometheus-rules.yaml
 
 # Create ConfigMap for an external url
 kubectl --namespace monitoring create configmap --dry-run alertmanager-templates \
   --from-file=configs/alertmanager-templates \
   --output yaml \
     > ./manifests/alertmanager/alertmanager-templates.yaml
-# Workaround since `--namespace monitoring` from above is not preserved
-echo "  namespace: monitoring" >> ./manifests/alertmanager/alertmanager-templates.yaml
 
 # Create ConfigMap with Grafana dashboards and datasources
 kubectl --namespace monitoring create configmap --dry-run grafana-import-dashboards \
   --from-file=configs/grafana \
   --output yaml \
     > ./manifests/grafana/import-dashboards/configmap.yaml
-# Workaround since `--namespace monitoring` from above is not preserved
-echo "  namespace: monitoring" >> ./manifests/grafana/import-dashboards/configmap.yaml
 
 # Create ConfigMap with Prometheus config
 kubectl --namespace monitoring create configmap --dry-run prometheus-core \
   --from-file=configs/prometheus/prometheus.yaml \
   --output yaml \
     > ./manifests/prometheus/configmap.yaml
-# Workaround since `--namespace monitoring` from above is not preserved
-echo "  namespace: monitoring" >> ./manifests/prometheus/configmap.yaml
 
 # Create one single manifest file
 target="./manifests-all.yaml"

manifests-all.yaml

@@ -5,7 +5,8 @@ kind: Namespace
 metadata:
   name: monitoring
 ---
-apiVersion: rbac.authorization.k8s.io/v1beta1
+---
+apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
   name: prometheus
@@ -18,7 +19,7 @@ subjects:
   name: prometheus-k8s
   namespace: monitoring
 ---
-apiVersion: rbac.authorization.k8s.io/v1beta1
+apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
   name: prometheus
@@ -536,7 +537,7 @@ data:
             "show": false
           },
           "targets": [{
-            "expr": "(time() - container_start_time_seconds{container_name=\"kube-apiserver\"})",
+            "expr": "(time() - process_start_time_seconds{job=\"prometheus\"})",
             "intervalFactor": 2,
             "refId": "A",
             "step": 4
@@ -998,7 +999,7 @@ data:
           "stack": false,
           "steppedLine": false,
           "targets": [{
-            "expr": "prometheus_evaluator_duration_seconds{quantile!=\"0.01\", quantile!=\"0.05\"}",
+            "expr": "prometheus_evaluator_duration_milliseconds{quantile!=\"0.01\", quantile!=\"0.05\"}",
             "interval": "",
             "intervalFactor": 2,
             "legendFormat": "{{quantile}}",
@@ -2536,7 +2537,6 @@ data:
         kubernetes_sd_configs:
           - role: node
         relabel_configs:
-          - action: labelmap
           - action: labelmap
             regex: __meta_kubernetes_node_label_(.+)
           - target_label: __address__
@@ -2545,7 +2545,6 @@ data:
             regex: (.+)
             target_label: __metrics_path__
             replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
-
 kind: ConfigMap
 metadata:
   creationTimestamp: null
@@ -2621,7 +2620,7 @@ spec:
         - containerPort: 8080
 ---
 # ---
-# apiVersion: rbac.authorization.k8s.io/v1beta1
+# apiVersion: rbac.authorization.k8s.io/v1
 # kind: ClusterRoleBinding
 # metadata:
 #   name: kube-state-metrics
@@ -2634,7 +2633,7 @@ spec:
 #   name: kube-state-metrics
 #   namespace: monitoring
 # ---
-# apiVersion: rbac.authorization.k8s.io/v1beta1
+# apiVersion: rbac.authorization.k8s.io/v1
 # kind: ClusterRole
 # metadata:
 #   name: kube-state-metrics
@@ -2677,7 +2676,7 @@ spec:
     protocol: TCP
   selector:
     app: kube-state-metrics
-
+    
 ---
 apiVersion: extensions/v1beta1
 kind: DaemonSet

manifests/grafana/import-dashboards/configmap.yaml

@@ -1465,7 +1465,7 @@ data:
           "stack": false,
           "steppedLine": false,
           "targets": [{
-            "expr": "sum(rate(container_cpu_usage_seconds_total{image!=\"\",name=~\"^k8s_.*\",kubernetes_io_hostname=~\"^$Node$\"}[1m])) by (pod_name)",
+            "expr": "sum(rate(container_cpu_usage_seconds_total{image!=\"\",name=~\"^k8s_.*\",instance=~\"^$instance$\",namespace=~\"^$namespace$\"}[1m])) by (pod_name)",
             "interval": "",
             "intervalFactor": 2,
             "legendFormat": "{{ pod_name }}",