Tsiku labwino, okhala ku Habr!
Lero ndikufuna ndikuuzeni momwe timafunira kuyang'anira ma postgres ndi mabungwe ena angapo mkati mwa gulu la OpenShift ndi momwe tinachitira.
Pakhomo anali ndi:
- Openshift
- Helm
- Prometheus
Kuti mugwiritse ntchito pulogalamu ya java, chilichonse chinali chosavuta komanso chowonekera, kapena kunena zomveka bwino:
1) Kuwonjezera build.gradle
implementation "io.micrometer:micrometer-registry-prometheus"
2) Thamangani prometheus ndi kasinthidwe
- job_name: 'job-name'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- 'name'
3) Kuwonjezera chiwonetsero ku Grafana
Chilichonse chinali chophweka komanso chodziwika bwino mpaka nthawi inafika yoyang'anira maziko omwe ali pafupi ndi dzina lathu (inde, izi ndi zoipa, palibe amene amachita izi, koma zinthu zosiyanasiyana zimachitika).
Zimagwira ntchito bwanji?
Kuphatikiza pa pod yokhala ndi postgres ndi prometheus yokha, timafunikira gulu linanso - wogulitsa kunja.
Wotumiza kunja mu lingaliro lachilendo ndi wothandizira yemwe amatolera ma metric kuchokera ku pulogalamu kapena seva. Kwa otumiza kunja kwa postgres, zalembedwa mu Go, zimagwira ntchito poyendetsa zolemba za SQL mkati mwa database ndiyeno prometheus amatenga zotsatira zomwe zapezedwa. Izi zimakupatsaninso mwayi wokulitsa ma metric omwe asonkhanitsidwa powonjezera anu.
Tiyeni tiyike motere (chitsanzo deployment.yaml, osamanga):
---
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
Zinafunikanso utumiki ndi chithunzithunzi
Pambuyo potumizidwa, tikufunadi kuti aliyense awone wina ndi mnzake.
Onjezani chidutswa chotsatira ku Prometheus config:
- job_name: 'postgres_exporter'
metrics_path: '/metrics'
scrape_interval: 5s
dns_sd_configs:
- names:
- 'postgres-exporter'
type: 'A'
port: 9187
Ndipo zonse zidayenda, chomwe chatsala ndikuwonjezera zinthu zonsezi ku grafana ndikusangalala ndi zotsatira zake.
Kuphatikiza pa kuthekera kowonjezera mafunso anu, mutha kusintha zosintha mu prometheus, kusonkhanitsa ma metric omwe mukufuna.
Izi zidachitika mwanjira yofananira:
- Kafka
- Elasticsearch
- Mongo
PS Deta yonse pamayina, madoko ndi zina zonse zimatengedwa mlengalenga ndipo zilibe chidziwitso chilichonse.
Maulalo othandiza:
Source: www.habr.com