Sanibonani bahlali baseHabr!
Namuhla ngifuna ukukutshela ukuthi besifuna kanjani ukuqapha ama-postgres nezinye izinhlangano ezimbalwa ngaphakathi kweqoqo le-OpenShift nokuthi sikwenze kanjani.
Ekungeneni babephethe:
- I-Openshift
- Helm
- Prometheus
Ukusebenza ngohlelo lwe-java, yonke into ibilula futhi isobala, noma ukunemba kakhudlwana:
1) Ukungeza ku-build.gradle
implementation "io.micrometer:micrometer-registry-prometheus"
2) Qalisa i-prometheus ngokucushwa
- job_name: 'job-name'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- 'name'
3) Ukwengeza isibonisi ku-Grafana
Yonke into yayilula futhi i-prosaic kwaze kwafika isikhathi sokuqapha izisekelo eziseduze nendawo yethu yamagama (yebo, lokhu kubi, akekho owenza lokhu, kodwa kwenzeka izinto ezahlukene).
Isebenza kanjani?
Ngaphezu kwe-pod ene-postgres kanye ne-prometheus ngokwayo, sidinga enye inhlangano - isithekelisi.
Umthumeli ngaphandle kumqondo ongabonakali umenzeli oqoqa amamethrikhi kusuka kuhlelo lokusebenza noma iseva. Kumthumeli we-postgres, kubhalwe ku-Go, kusebenza kumgomo wokusebenzisa imibhalo ye-SQL ngaphakathi kwedathabhesi bese u-prometheus ethatha imiphumela etholiwe. Lokhu futhi kukuvumela ukuthi unwebe ama-metrics aqoqiwe ngokungeza awakho.
Masiyisebenzise kanje (isibonelo i-deployment.yaml, engabophezeli):
---
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
Iphinde yadinga isevisi nokusakaza kwesithombe
Ngemuva kokuthunyelwa, sifuna ngempela ukuthi wonke umuntu abonane.
Engeza ucezu olulandelayo ku-Prometheus config:
- job_name: 'postgres_exporter'
metrics_path: '/metrics'
scrape_interval: 5s
dns_sd_configs:
- names:
- 'postgres-exporter'
type: 'A'
port: 9187
Futhi-ke konke kwasebenza, okusele nje ukufaka zonke lezi zinto ku-grafana futhi ujabulele umphumela.
Ngokungeziwe ekhonweni lokwengeza eyakho imibuzo, ungashintsha izilungiselelo ku-prometheus, uqoqe amamethrikhi amaningi ahlosiwe.
Lokhu kwenziwa ngendlela efanayo:
- KAFKA
- Islastiki
- Mongo
PS Yonke imininingwane yamagama, amachweba nokunye ithathwa emoyeni futhi ayiqukethe noma yiluphi ulwazi.
Izixhumanisi eziwusizo:
Source: www.habr.com