Manuia, tagata o Habr!
O le asō ou te fia taʻu atu ia te oe le auala na matou manaʻo ai e mataʻituina postgres ma isi faʻalapotopotoga i totonu o le OpenShift cluster ma le auala na matou faia ai.
I le faitotoa sa latou maua:
- Openshift
- pūlou faʻafao
- Prometheus
Ina ia galue i se talosaga java, o mea uma sa faigofie ma manino, pe sili atu le saʻo:
1) Fa'aopoopo ile build.gradle
implementation "io.micrometer:micrometer-registry-prometheus"
2) Faʻataʻitaʻi le prometheus ma le faʻatulagaina
- job_name: 'job-name'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- 'name'
3) Faʻaopoopoina se faʻaaliga i le Grafana
O mea uma lava sa fai si faigofie ma fa'atauva'a se'ia o'o mai le taimi e mata'ituina ai fa'avae o lo'o tu lata ane i lo matou igoa (ioe, e leaga lenei mea, e leai se tasi na te faia lenei mea, ae o mea eseese e tutupu).
E faapefea ona aoga?
I le faʻaopoopoga i le pod ma postgres ma prometheus lava ia, matou te manaʻomia se isi faʻalapotopotoga - faʻatau atu.
O se tagata fa'atau atu i fafo i se manatu fa'apitoa o se sooupu e aoina fua mai se talosaga po'o se server. Mo postgres exporter, o loʻo tusia i le Go, e galue i luga o le mataupu faavae o le faʻaogaina o tusitusiga SQL i totonu o le database ona ave lea e le prometheus iʻuga na maua. E fa'atagaina ai fo'i oe e fa'alautele le aofa'i o fua fa'atatau e ala i le fa'aopoopoina o oe lava.
Tatou fa'apipi'i fa'apenei (fa'aa'oa'oga deployment.yaml, le fa'amauina):
---
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
E manaʻomia foʻi se tautua ma se ata
A maeʻa le faʻapipiʻiina, matou te manaʻo moni lava e vaʻai tagata uma le tasi i le isi.
Faʻaopoopo le vaega lea i le Prometheus config:
- job_name: 'postgres_exporter'
metrics_path: '/metrics'
scrape_interval: 5s
dns_sd_configs:
- names:
- 'postgres-exporter'
type: 'A'
port: 9187
Ona aoga ai lea o mea uma, o mea uma e totoe o le faʻaopoopoina o nei mea uma i le grafana ma fiafia i le taunuuga.
I le faʻaopoopoga i le mafai ona faʻaopoopo au oe lava fesili, e mafai ona e suia tulaga i le prometheus, aoina atili fua faʻatatau.
Na faia lenei mea i se auala tutusa mo:
- Kafka
- Elasticsearch
- Mongo
PS O faʻamatalaga uma i luga o igoa, ports ma isi mea e ave mai le ea ma e leai se faʻamatalaga.
Faʻaoga talafeagai:
puna: www.habr.com