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"query", - "useTags": false - }, - { - "allValue": ".*", - "current": {}, - "datasource": "${DS_PROMETHEUS}", - "hide": 0, - "includeAll": true, - "label": "Container", - "multi": false, - "name": "container", - "options": [], - "query": "label_values(kube_pod_container_info{namespace=\"$namespace\", pod=\"$pod\"}, container)", - "refresh": 1, - "regex": "", - "sort": 0, - "tagValuesQuery": "", - "tags": [], - "tagsQuery": "", - "type": "query", - "useTags": false - } - ] - }, - "time": { - "from": "now-6h", - "to": "now" - }, - "timepicker": { - "refresh_intervals": [ - "5s", - "10s", - "30s", - "1m", - "5m", - "15m", - "30m", - "1h", - "2h", - "1d" - ], - "time_options": [ - "5m", - "15m", - "1h", - "6h", - "12h", - "24h", - "2d", - "7d", - "30d" - ] - }, - "timezone": "browser", - "title": "Pods", - "uid": "asAFiznmk", - "version": 1 -} diff --git a/assets/grafana/prometheus-datasource.json b/assets/grafana/prometheus-datasource.json deleted file mode 100644 index 47b8f1b..0000000 --- a/assets/grafana/prometheus-datasource.json +++ /dev/null @@ -1,7 +0,0 @@ -{ - "access": "proxy", - "basicAuth": false, - "name": "prometheus", - "type": "prometheus", - "url": "http://prometheus-k8s.monitoring.svc:9090" -} diff --git a/deploy b/deploy index c8a4619..deb9bda 100755 --- a/deploy +++ b/deploy @@ -91,9 +91,7 @@ do if [[ $use_gke =~ ^([yY][eE][sS]|[yY])$ ]]; then echo "Grant cluster-admin permissions to your current identity" echo "Remove rules for self hosted clusters" - rm assets/prometheus/rules//kube-apiserver.rules - rm assets/prometheus/rules//kube-controller-manager.rules - rm assets/prometheus/rules//kube-scheduler.rules + echo kubectl create clusterrolebinding admin-binding --clusterrole=cluster-admin --user=$(gcloud config get-value core/account) fi @@ -110,9 +108,6 @@ do read -p "Y/N [N]: " use_aks if [[ $use_aks =~ ^([yY][eE][sS]|[yY])$ ]]; then echo "Remove rules for self hosted clusters" - rm assets/prometheus/rules//kube-apiserver.rules - rm assets/prometheus/rules//kube-controller-manager.rules - rm assets/prometheus/rules//kube-scheduler.rules echo fi sed -i -e 's,type,'kind',g' manifests/prometheus/prometheus-k8s.yaml; @@ -372,31 +367,12 @@ echo echo -e "${ORANGE}Deploying Grafana" tput sgr0 -#grafana administrator username -read -p "Enter Grafana administrator username [admin]: " GRAFANA_ADMIN_USERNAME -GRAFANA_ADMIN_USERNAME=${GRAFANA_ADMIN_USERNAME:-admin} - -#grafana administrator password -prompt="Enter Grafana administrator password: " -while IFS= read -p "$prompt" -r -s -n 1 char -do - if [[ $char == $'\0' ]] - then - break - fi - prompt='*' - grafana_admin_password+="$char" -done +kctl apply -f manifests/grafana echo - -#create grafana credentials secret -kctl create secret generic grafana-credentials --from-literal=user=$GRAFANA_ADMIN_USERNAME --from-literal=password=$grafana_admin_password - -#generate grafana dashboards configmap -(cd ./scripts; ./generate-dashboards-configmap.sh) - -kctl apply -f manifests/grafana +echo -e "${ORANGE}Grafana default credentials" +echo -e "${WHITE}user: ${ORANGE}admin, ${WHITE}password: ${ORANGE}admin" +tput sgr0 #prometheus echo diff --git a/manifests/grafana/grafana-dasboard-sources.cm.yaml b/manifests/grafana/grafana-dasboard-sources.cm.yaml new file mode 100644 index 0000000..948229e --- /dev/null +++ b/manifests/grafana/grafana-dasboard-sources.cm.yaml @@ -0,0 +1,17 @@ +kind: ConfigMap +metadata: + name: grafana-dashboards +apiVersion: v1 +data: + dashboards.yaml: |- + [ + { + "folder": "", + "name": "0", + "options": { + "path": "/grafana-dashboard-definitions/0" + }, + "org_id": 1, + "type": "file" + } + ] diff --git a/manifests/grafana/grafana-dashboards.cm.yaml b/manifests/grafana/grafana-dashboards.cm.yaml index f2cad37..ee5481a 100644 --- a/manifests/grafana/grafana-dashboards.cm.yaml +++ b/manifests/grafana/grafana-dashboards.cm.yaml @@ -1,8377 +1,9604 @@ apiVersion: v1 -kind: ConfigMap -metadata: - name: grafana-dashboards -data: - 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"http://prometheus-k8s.monitoring.svc:9090", + "version": 1 + } + ] + } \ No newline at end of file diff --git a/manifests/grafana/grafana.de.yaml b/manifests/grafana/grafana.de.yaml index b1200fa..7db3c6d 100644 --- a/manifests/grafana/grafana.de.yaml +++ b/manifests/grafana/grafana.de.yaml @@ -1,96 +1,115 @@ -kind: PersistentVolumeClaim -apiVersion: v1 -metadata: - name: grafana-persistent-storage -spec: - accessModes: - - ReadWriteOnce - resources: - requests: - storage: 1Gi - storageClassName: ssd ---- -apiVersion: apps/v1beta1 +apiVersion: apps/v1beta2 kind: Deployment metadata: + labels: + app: grafana name: grafana spec: replicas: 1 + selector: + matchLabels: + app: grafana template: metadata: labels: app: grafana spec: - securityContext: - fsGroup: 472 containers: - - name: grafana - image: grafana/grafana:GRAFANA_VERSION - env: - - name: GF_AUTH_BASIC_ENABLED - value: "true" - - name: GF_AUTH_ANONYMOUS_ENABLED - value: "true" - - name: GF_SECURITY_ADMIN_USER - valueFrom: - secretKeyRef: - name: grafana-credentials - key: user - - name: GF_SECURITY_ADMIN_PASSWORD - valueFrom: - secretKeyRef: - name: grafana-credentials - key: password - volumeMounts: - - name: grafana-storage - mountPath: /var/grafana-storage - - name: grafana-persistent-storage - mountPath: /var/lib/grafana - subPath: grafana + - image: grafana/grafana:GRAFANA_VERSION + name: grafana ports: - - name: web - containerPort: 3000 + - containerPort: 3000 + name: http resources: - requests: - memory: 100Mi - cpu: 100m limits: - memory: 200Mi cpu: 200m - - name: grafana-watcher - image: quay.io/coreos/grafana-watcher:v0.0.8 - args: - - '--watch-dir=/var/grafana-dashboards' - - '--grafana-url=http://localhost:3000' - env: - - name: GRAFANA_USER - valueFrom: - secretKeyRef: - name: grafana-credentials - key: user - - name: GRAFANA_PASSWORD - valueFrom: - secretKeyRef: - name: grafana-credentials - key: password - resources: + memory: 200Mi requests: - memory: "16Mi" - cpu: "50m" - limits: - memory: "32Mi" - cpu: "100m" + cpu: 100m + memory: 100Mi volumeMounts: - - name: grafana-dashboards - mountPath: /var/grafana-dashboards - nodeSelector: - node_label_key: node_label_value + - mountPath: /var/lib/grafana + subPath: grafana + name: grafana-storage + readOnly: false + - mountPath: /etc/grafana/provisioning/datasources + name: grafana-datasources + readOnly: false + - mountPath: /etc/grafana/provisioning/dashboards + name: grafana-dashboards + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/k8s-cluster-rsrc-use + name: grafana-dashboard-k8s-cluster-rsrc-use + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/k8s-node-rsrc-use + name: grafana-dashboard-k8s-node-rsrc-use + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/k8s-resources-cluster + name: grafana-dashboard-k8s-resources-cluster + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/k8s-resources-namespace + name: grafana-dashboard-k8s-resources-namespace + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/k8s-resources-pod + name: grafana-dashboard-k8s-resources-pod + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/nodes + name: grafana-dashboard-nodes + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/pods + name: grafana-dashboard-pods + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/statefulset + name: grafana-dashboard-statefulset + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/deployments + name: grafana-dashboard-deployments + readOnly: false + - mountPath: /grafana-dashboard-definitions/0/k8s-cluster-usage + name: grafana-dashboard-k8s-cluster-usage + readOnly: false + securityContext: + runAsNonRoot: true + runAsUser: 65534 + fsGroup: 472 + serviceAccountName: grafana volumes: - - name: grafana-storage - emptyDir: {} - - name: grafana-persistent-storage - persistentVolumeClaim: - claimName: grafana-persistent-storage - - name: grafana-dashboards + - persistentVolumeClaim: + claimName: grafana-storage + name: grafana-storage + - name: grafana-datasources configMap: + name: grafana-datasources + - configMap: name: grafana-dashboards + name: grafana-dashboards + - configMap: + name: grafana-dashboard-k8s-cluster-rsrc-use + name: grafana-dashboard-k8s-cluster-rsrc-use + - configMap: + name: grafana-dashboard-k8s-node-rsrc-use + name: grafana-dashboard-k8s-node-rsrc-use + - configMap: + name: grafana-dashboard-k8s-resources-cluster + name: grafana-dashboard-k8s-resources-cluster + - configMap: + name: grafana-dashboard-k8s-resources-namespace + name: grafana-dashboard-k8s-resources-namespace + - configMap: + name: grafana-dashboard-k8s-resources-pod + name: grafana-dashboard-k8s-resources-pod + - configMap: + name: grafana-dashboard-nodes + name: grafana-dashboard-nodes + - configMap: + name: grafana-dashboard-pods + name: grafana-dashboard-pods + - configMap: + name: grafana-dashboard-statefulset + name: grafana-dashboard-statefulset + - configMap: + name: grafana-dashboard-deployments + name: grafana-dashboard-deployments + - configMap: + name: grafana-dashboard-k8s-cluster-usage + name: grafana-dashboard-k8s-cluster-usage \ No newline at end of file diff --git a/manifests/grafana/grafana.pvc.yaml b/manifests/grafana/grafana.pvc.yaml new file mode 100644 index 0000000..1869934 --- /dev/null +++ b/manifests/grafana/grafana.pvc.yaml @@ -0,0 +1,11 @@ +kind: PersistentVolumeClaim +apiVersion: v1 +metadata: + name: grafana-storage +spec: + accessModes: + - ReadWriteOnce + resources: + requests: + storage: 1Gi + storageClassName: ssd \ No newline at end of file diff --git a/manifests/grafana/grafana.sa.yaml b/manifests/grafana/grafana.sa.yaml new file mode 100644 index 0000000..1ec8b08 --- /dev/null +++ b/manifests/grafana/grafana.sa.yaml @@ -0,0 +1,4 @@ +apiVersion: v1 +kind: ServiceAccount +metadata: + name: grafana diff --git a/manifests/prometheus/prometheus-k8s-rules.yaml b/manifests/prometheus/prometheus-k8s-rules.yaml index b42564c..0c68ae4 100644 --- a/manifests/prometheus/prometheus-k8s-rules.yaml +++ b/manifests/prometheus/prometheus-k8s-rules.yaml @@ -116,17 +116,17 @@ spec: record: 'node_namespace_pod:kube_pod_info:' - expr: | count by (node) (sum by (node, cpu) ( - node_cpu{job="node-exporter"} + node_cpu_seconds_total{job="node-exporter"} * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: )) record: node:node_num_cpu:sum - expr: | - 1 - avg(rate(node_cpu{job="node-exporter",mode="idle"}[1m])) + 1 - avg(rate(node_cpu_seconds_total{job="node-exporter",mode="idle"}[1m])) record: :node_cpu_utilisation:avg1m - expr: | 1 - avg by (node) ( - rate(node_cpu{job="node-exporter",mode="idle"}[1m]) + rate(node_cpu_seconds_total{job="node-exporter",mode="idle"}[1m]) * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info:) record: node:node_cpu_utilisation:avg1m @@ -146,20 +146,20 @@ spec: record: 'node:node_cpu_saturation_load1:' - expr: | 1 - - sum(node_memory_MemFree{job="node-exporter"} + node_memory_Cached{job="node-exporter"} + node_memory_Buffers{job="node-exporter"}) + sum(node_memory_MemFree_bytes{job="node-exporter"} + node_memory_Cached_bytes{job="node-exporter"} + node_memory_Buffers_bytes{job="node-exporter"}) / - sum(node_memory_MemTotal{job="node-exporter"}) + sum(node_memory_MemTotal_bytes{job="node-exporter"}) record: ':node_memory_utilisation:' - expr: | sum by (node) ( - (node_memory_MemFree{job="node-exporter"} + node_memory_Cached{job="node-exporter"} + node_memory_Buffers{job="node-exporter"}) + (node_memory_MemFree_bytes{job="node-exporter"} + node_memory_Cached_bytes{job="node-exporter"} + node_memory_Buffers_bytes{job="node-exporter"}) * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) record: node:node_memory_bytes_available:sum - expr: | sum by (node) ( - node_memory_MemTotal{job="node-exporter"} + node_memory_MemTotal_bytes{job="node-exporter"} * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) @@ -178,13 +178,13 @@ spec: - expr: | 1 - sum by (node) ( - (node_memory_MemFree{job="node-exporter"} + node_memory_Cached{job="node-exporter"} + node_memory_Buffers{job="node-exporter"}) + (node_memory_MemFree_bytes{job="node-exporter"} + node_memory_Cached_bytes{job="node-exporter"} + node_memory_Buffers_bytes{job="node-exporter"}) * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) / sum by (node) ( - node_memory_MemTotal{job="node-exporter"} + node_memory_MemTotal_bytes{job="node-exporter"} * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) @@ -201,64 +201,64 @@ spec: ) record: node:node_memory_swap_io_bytes:sum_rate - expr: | - avg(irate(node_disk_io_time_ms{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3) + avg(irate(node_disk_io_time_seconds_total{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3) record: :node_disk_utilisation:avg_irate - expr: | avg by (node) ( - irate(node_disk_io_time_ms{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3 + irate(node_disk_io_time_seconds_total{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3 * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) record: node:node_disk_utilisation:avg_irate - expr: | - avg(irate(node_disk_io_time_weighted{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3) + avg(irate(node_disk_io_time_weighted_seconds_total{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3) record: :node_disk_saturation:avg_irate - expr: | avg by (node) ( - irate(node_disk_io_time_weighted{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3 + irate(node_disk_io_time_weighted_seconds_total{job="node-exporter",device=~"(sd|xvd|nvme).+"}[1m]) / 1e3 * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) record: node:node_disk_saturation:avg_irate - expr: | - sum(irate(node_network_receive_bytes{job="node-exporter",device="eth0"}[1m])) + - sum(irate(node_network_transmit_bytes{job="node-exporter",device="eth0"}[1m])) + sum(irate(node_network_receive_bytes_total{job="node-exporter",device="eth0"}[1m])) + + sum(irate(node_network_transmit_bytes_total{job="node-exporter",device="eth0"}[1m])) record: :node_net_utilisation:sum_irate - expr: | sum by (node) ( - (irate(node_network_receive_bytes{job="node-exporter",device="eth0"}[1m]) + - irate(node_network_transmit_bytes{job="node-exporter",device="eth0"}[1m])) + (irate(node_network_receive_bytes_total{job="node-exporter",device="eth0"}[1m]) + + irate(node_network_transmit_bytes_total{job="node-exporter",device="eth0"}[1m])) * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) record: node:node_net_utilisation:sum_irate - expr: | - sum(irate(node_network_receive_drop{job="node-exporter",device="eth0"}[1m])) + - sum(irate(node_network_transmit_drop{job="node-exporter",device="eth0"}[1m])) + sum(irate(node_network_receive_drop_total{job="node-exporter",device="eth0"}[1m])) + + sum(irate(node_network_transmit_drop_total{job="node-exporter",device="eth0"}[1m])) record: :node_net_saturation:sum_irate - expr: | sum by (node) ( - (irate(node_network_receive_drop{job="node-exporter",device="eth0"}[1m]) + - irate(node_network_transmit_drop{job="node-exporter",device="eth0"}[1m])) + (irate(node_network_receive_drop_total{job="node-exporter",device="eth0"}[1m]) + + irate(node_network_transmit_drop_total{job="node-exporter",device="eth0"}[1m])) * on (namespace, pod) group_left(node) node_namespace_pod:kube_pod_info: ) record: node:node_net_saturation:sum_irate - name: kube-prometheus-node-recording.rules rules: - - expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[3m])) BY (instance) + - expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait"}[3m])) BY (instance) record: instance:node_cpu:rate:sum - expr: sum((node_filesystem_size{mountpoint="/"} - node_filesystem_free{mountpoint="/"})) BY (instance) record: instance:node_filesystem_usage:sum - - expr: sum(rate(node_network_receive_bytes[3m])) BY (instance) - record: instance:node_network_receive_bytes:rate:sum + - expr: sum(rate(node_network_receive_bytes_total[3m])) BY (instance) + record: instance:node_network_receive_bytes_total:rate:sum - expr: sum(rate(node_network_transmit_bytes[3m])) BY (instance) record: instance:node_network_transmit_bytes:rate:sum - - expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[5m])) WITHOUT (cpu, mode) + - expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait"}[5m])) WITHOUT (cpu, mode) / ON(instance) GROUP_LEFT() count(sum(node_cpu) BY (instance, cpu)) BY (instance) record: instance:node_cpu:ratio - - expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[5m])) + - expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait"}[5m])) record: cluster:node_cpu:sum_rate5m - expr: cluster:node_cpu:rate5m / count(sum(node_cpu) BY (instance, cpu)) record: cluster:node_cpu:ratio @@ -501,7 +501,7 @@ spec: expr: | sum(namespace_name:kube_pod_container_resource_requests_memory_bytes:sum) / - sum(node_memory_MemTotal) + sum(node_memory_MemTotal_bytes) > (count(node:node_num_cpu:sum)-1) / @@ -528,7 +528,7 @@ spec: expr: | sum(kube_resourcequota{job="kube-state-metrics", type="hard", resource="requests.memory"}) / - sum(node_memory_MemTotal{job="node-exporter"}) + sum(node_memory_MemTotal_bytes{job="node-exporter"}) > 1.5 for: 5m labels: diff --git a/teardown b/teardown index 0598904..10b54ff 100755 --- a/teardown +++ b/teardown @@ -1,4 +1,12 @@ #!/usr/bin/env bash +RED='\033[0;31m' +GREEN='\033[0;32m' +ORANGE='\033[0;33m' +BLUE='\033[0;34m' +PURPLE='\033[0;35m' +GREEN_PS3=$'\e[0;32m' +ORANGE_PS3=$'\e[0;33m' +WHITE='\033[0;37m' if [ -z "${KUBECONFIG}" ]; then export KUBECONFIG=~/.kube/config @@ -14,7 +22,7 @@ kctl() { kctl delete -f manifests/node-exporter kctl delete -f manifests/kube-state-metrics -kctl delete -f manifests/grafana +find manifests/grafana -type f ! -name grafana.pvc.yaml -exec kubectl --namespace "$NAMESPACE" delete -f {} \; find manifests/prometheus -type f ! -name prometheus-k8s-rbac.yaml -exec kubectl --namespace "$NAMESPACE" delete -f {} \; kubectl delete -f manifests/prometheus/prometheus-k8s-rbac.yaml kctl delete -f manifests/alertmanager @@ -36,3 +44,8 @@ kubectl delete clusterrolebinding admin-binding #delete created custom resource definitions kubectl get crd -o 'jsonpath={.items[*].metadata.name}' | xargs -n 1 | fgrep coreos.com | xargs kubectl delete crd + +#manually remove persistent volumes instructions +echo -e "${GREEN}The persistent volumes for Grafana and Prometeus were not removed!" +echo -e "${GREEN}To remove them, please run te following command:" +echo -e "${WHITE}kubectl get pvc -n ${NAMESPACE} | grep 'grafana\|prometheus' | cut -d " " -f 1 | xargs -n 1 kubectl delete pvc -n ${NAMESPACE}" \ No newline at end of file