ื ืืืื ืืื, ืืืื ืืืืืื ืขืจ ืคืื ืืืจ!
ืืืึทื ื ืืื ืืืืื ืฆื ืืึธืื ืืืจ ืืื ืืืจ ืืึทืงืข ืืขืืืืื ืฆื ืืึธื ืืืึธืจ ืคึผืึธืกืืืจืขืก ืืื ืึท ืคึผืึธืจ ืคืื ืื ืืขืจืข ืขื ืืืืื ืืื ืื OpenShift ืงื ืืื ืืื ืืื ืืืจ ืืึธืื ืืึธืก.
ืืฒื ืืจืฒื ืืื ื ืืืื ืืฒ ืืขืืื:
- ืึธืคึผืฉืืคื
- ืจืืืขืจ
- ืคึผืจืึธืืขืืืขืืก
ืฆื ืึทืจืืขืื ืืื ืึท ื'ืืื ืึทืคึผืืึทืงืืืฉืึทื, ืึทืืฅ ืืื ืืึทื ืฅ ืคึผืฉืื ืืื ืืจืึทื ืกืคึผืขืจืึทื ื, ืึธืืขืจ ืฆื ืืืื ืืขืจ ืืขื ืื:
1) ืึทืืื ื ืฆื build.gradle
implementation "io.micrometer:micrometer-registry-prometheus"2) ืืืืคื ืคึผืจืึธืืขืืืขืืก ืืื ืงืึทื ืคืืืืขืจืืืฉืึทื
- job_name: 'job-name'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- 'name'3) ืึทืืื ื ืึท ืึทืจืืืกืืืืึทืื ืฆื Grafana
ืึทืืฅ ืืื ืืขืืืขื ืืึทื ืฅ ืคึผืฉืื ืืื ืคึผืจืึธืืึทืืฉ ืืื ืืขืจ ืืึธืืขื ื ืืขืงืืืขื ืฆื ืืึธื ืืืึธืจ ืื ืืึทืกืขืก ืืืึธืก ืืขื ืขื ืืืื ื ืืจืืื ืืื ืืื ืืืขืจ ื ืึธืืขื ืคึผืืึทืฅ (ืืึธ, ืืึธืก ืืื ืฉืืขืื, ืงืืื ืขืจ ืืื ืืึธืก, ืึธืืขืจ ืคืึทืจืฉืืืขื ืข ืืืื ืคึผืึทืกืืจื).
ืืืืืืื ืืจืืืื ืขืก?
ืืื ืืขืจืฆื ืฆื ืื ืคึผืึธื ืืื ืคึผืึธืกืืืจืขืก ืืื ืคึผืจืึธืืขืืืขืืก ืืื, ืืืจ ืืึทืจืคึฟื ื ืึธื ืืืื ืขื ืืืื - ืขืงืกืคึผืึธืจืืขืจ.
ืึท ืขืงืกืคึผืึธืจืืขืจ ืืื ืึทื ืึทืืกืืจืึทืงื ืืึทืืจืืฃ ืืื ืึทื ืึทืืขื ื ืืืึธืก ืงืึทืืขืงืฅ ืืขืืจืืงืก ืคืื ืึท ืึทืคึผืืึทืงืืืฉืึทื ืึธืืขืจ ืืคืืื ืึท ืกืขืจืืืขืจ. ืคึฟืึทืจ ืคึผืึธืกืืืจืขืก ืขืงืกืคึผืึธืจืืขืจ, ืขืก ืืื ืืขืฉืจืืื ืืื Go, ืขืก ืึทืจืืขื ืืืืฃ ืืขื ืคึผืจืื ืฆืืคึผ ืคืื ืคืืืกื ืืืง ืกืงื ืกืงืจืืคึผืก ืื ืื ืืึทืืึทืืืืก ืืื ืืขืืึธืื ืคึผืจืึธืืขืืืขืืก ื ืขืื ืื ืืืงืืืขื ืจืขืืืืืึทืื. ืืึธืก ืืืื ืึทืืึทืื ืืืจ ืฆื ืืงืกืคึผืึทื ื ืื ืืขืืืืื ืืขืืจืืงืก ืืืจื ืึทืืื ื ืืืื ืืืืืขื ืข.
ืืื ืก ืฆืขืืืืงืืขื ืขืก ืืื ืืึธืก (ืืืึทืฉืคึผืื deployment.yaml, ื ืื-ืืืื ืืื ื):
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: postgres-exporter
labels:
app: {{ .Values.name }}
monitoring: prometheus
spec:
serviceName: {{ .Values.name }}
replicas: 1
revisionHistoryLimit: 5
template:
metadata:
labels:
app: postgres-exporter
monitoring: prometheus
spec:
containers:
- env:
- name: DATA_SOURCE_URI
value: postgresdb:5432/pstgr?sslmode=disable
- name: DATA_SOURCE_USER
value: postgres
- name: DATA_SOURCE_PASS
value: postgres
resources:
limits:
cpu: 100m
memory: 50Mi
requests:
cpu: 100m
memory: 50Mi
livenessProbe:
tcpSocket:
port: metrics
initialDelaySeconds: 30
periodSeconds: 30
readinessProbe:
tcpSocket:
port: metrics
initialDelaySeconds: 10
periodSeconds: 30
image: exporter
name: postgres-exporter
ports:
- containerPort: 9187
name: metricsืขืก ืืืื ืคืืจืืื ืื ืึท ืืื ืกื ืืื ืืืึทืืืฉืกืืจืื
ื ืึธื ืืืคึผืืืืืึทื ื, ืืืจ ืืึทืงืข ืืืืื ืึทืืขืืขื ืฆื ืืขื ืืขืืขืจ ืื ืืขืจืขืจ.
ืืืื ืื ืคืืืืขื ืืข ืฉืืืง ืฆื ืื ืคึผืจืึธืืขืืืขืืก ืงืึทื ืคืืืืขืจืืืฉืึทื:
- job_name: 'postgres_exporter'
metrics_path: '/metrics'
scrape_interval: 5s
dns_sd_configs:
- names:
- 'postgres-exporter'
type: 'A'
port: 9187ืืื ืืขืืึธืื ืึทืืฅ ืืขืืจืืขื, ืึทืืข ืืืึธืก ืืืืืื ืืื ืฆื ืืืืื ืึทืืข ืื ืฉืืึธืคึผื ืฆื ืื ืืจืึทืคืึทื ืึท ืืื ืื ืื ืื ืจืขืืืืืึทื.
ืืื ืึทืืืฉืึทื ืฆื ืื ืคืืืืงืืื ืฆื ืืืืื ืืืื ืืืืืขื ืข ืคึฟืจืืื, ืืืจ ืงืขื ืขื ืืืืฉื ืื ืกืขืืืื ืืก ืืื ืคึผืจืึธืืขืืืขืืก, ืงืึทืืขืงืืื ื ืืขืจ ืืึทืจืืขืืขื ืืขืืจืืงืก.
ืืึธืก ืืื ืืขืืื ืืื ืึท ืขื ืืขื ืืืขื ืคึฟืึทืจ:
- ืงืึทืคืงืึท
- ืขืืึทืกืืืงืกืึทืจืืฉ
- ืืึธื ืืึธ
ืคึผืก ืื ืืึทืื ืืืืฃ ื ืขืืขื, ืคึผืึธืจืฅ ืืื ืื ืื ืืื ืืขื ืขื ืืขื ืืืขื ืคืื ืื ืืืคื ืืื ืึผืืื ืงืืื ืืื ืคึฟืึธืจืืึทืฆืืข.
ื ืืฆืืง ืืื ืงืก:
ืืงืืจ: www.habr.com