ืืื ืืื, ืชืืฉืื ืืืจ!
ืืืื ืื ื ืจืืฆื ืืกืคืจ ืืื ืืื ืืืืช ืจืฆืื ื ืืคืงื ืขื postgres ืืขืื ืืื ืืฉืืืืช ืืชืื ืืฉืืื OpenShift ืืืื ืขืฉืื ื ืืช ืื.
ืืื ืืกื ืืื ืืื:
- ืืจืืช ืคืชืืื
- ืืื
- ืคืจืืืชืืืก
ืืื ืืขืืื ืขื ืืืฉืื Java, ืืื ืืื ืื ืคืฉืื ืืฉืงืืฃ, ืื ืืืชืจ ืืืืง:
1) ืืืกืคื ื-build.gradle
implementation "io.micrometer:micrometer-registry-prometheus"
2) ืืคืขื ืคืจืืืชืืืก ืขื ืชืฆืืจื
- job_name: 'job-name'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- 'name'
3) ืืืกืคืช ืชืฆืืื ืืืจืคืื ื
ืืื ืืื ืื ืคืฉืื ืืคืจืืืื ืขื ืฉืืืืข ืืจืืข ืื ืืจ ืืช ืืืกืืกืื ืฉื ืืฆืืื ืืงืจืืช ืืงืื ืืืจืื ืืฉืืืช ืฉืื ื (ืื, ืื ืจืข, ืืฃ ืืื ืื ืขืืฉื ืืช ืื, ืืื ืืืจืื ืฉืื ืื ืงืืจืื).
ืืื ืื ืขืืื?
ืื ืืกืฃ ืืชืจืืื ืขื postgres ื-prometheus ืขืฆืื, ืื ืื ื ืฆืจืืืื ืขืื ืืฉืืช ืืืช - ืืฆืืื ืืช.
ืืฆืืื ืืงืื ืกืคื ืืืคืฉื ืืื ืกืืื ืฉืืืกืฃ ืืืืื ืืืคืืืงืฆืื ืื ืืคืืื ืืฉืจืช. ืขืืืจ postgres exporter, ืื ืืชืื ื-Go, ืื ืขืืื ืขื ืืขืืงืจืื ืฉื ืืคืขืืช ืกืงืจืืคืืื ืฉื SQL ืืชืื ืืกื ืื ืชืื ืื ืืื prometheus ืืืงื ืืช ืืชืืฆืืืช ืฉืืชืงืืื. ืื ืื ืืืคืฉืจ ืื ืืืจืืื ืืช ืืืืืื ืฉื ืืกืคื ืขื ืืื ืืืกืคืช ืืืืืื ืฉืื.
ืืื ื ืคืจืืก ืืช ืื ืื (ืืืืื 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: metrics
ืื ืื ืืจืฉ ืฉืืจืืช ืืชืืืืช
ืืืืจ ืืคืจืืกื, ืื ืื ื ืืืืช ืจืืฆืื ืฉืืืื ืืจืื ืืื ืืช ืืฉื ื.
ืืืกืฃ ืืช ืืืฆืืจื ืืืื ืืชืฆืืจืช ืคืจืืืชืืืก:
- job_name: 'postgres_exporter'
metrics_path: '/metrics'
scrape_interval: 5s
dns_sd_configs:
- names:
- 'postgres-exporter'
type: 'A'
port: 9187
ืืื ืืื ืขืื, ืื ืื ืฉื ืฉืืจ ืื ืืืืกืืฃ ืืช ืื ืืืืจืื ืืืื ืืืจืืคื ื ืืืืื ืืช ืืืชืืฆืื.
ืื ืืกืฃ ืืืืืืช ืืืืกืืฃ ืฉืืืืชืืช ืืฉืื, ืืชื ืืืื ืืฉื ืืช ืืช ืืืืืจืืช ื-prometheus, ืืืกืืฃ ืืืืื ืืืืงืืื ืืืชืจ.
ืื ื ืขืฉื ืืฆืืจื ืืืื ืขืืืจ:
- ืงืคืงื
- Elasticsearch
- Mongo
ื .ื ืื ืื ืชืื ืื ืขื ืฉืืืช, ืืฆืืืืช ืืื ืืฉืืจ ื ืืงืืื ืืืืืืืจ ืืืื ื ืืืืืื ืืืืข.
ืงืืฉืืจืื ืฉืืืืฉืืื:
ืืงืืจ: www.habr.com