Dumelang, baahi ba Habr!
Kajeno ke batla ho u joetsa hore na re hlile re batla ho beha leihlo li-postgres le mekhatlo e meng e 'maloa ka har'a sehlopha sa OpenShift le hore na re e entse joang.
Monyako ba ne ba ena le:
- Openshift
- helmete
- Prometheus
Ho sebetsa ka sesebelisoa sa java, ntho e 'ngoe le e' ngoe e ne e le bonolo ebile e hlakile, kapa e nepile haholoanyane:
1) Ho eketsa ho haha.nyala
implementation "io.micrometer:micrometer-registry-prometheus"
2) Matha prometheus ka tlhophiso
- job_name: 'job-name'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- 'name'
3) Ho eketsa pontšo ho Grafana
Ntho e 'ngoe le e' ngoe e ne e le bonolo ebile e le prosaic ho fihlela nako e fihla ea ho lekola metheo e haufi le sebaka sa rona sa mabitso (e, sena se mpe, ha ho motho ea etsang sena, empa ho etsahala lintho tse fapaneng).
E sebetsa joang?
Ho phaella ho pod e nang le li-postgres le prometheus ka boeona, re hloka mokhatlo o mong hape - morekisi.
Morekisi kantle ho mohopolo o hlakileng ke moemeli ea bokellang litekanyetso ho tsoa ts'ebelisong kapa ho seva. Bakeng sa morekisi oa postgres, e ngotsoe ho Go, e sebetsa ka molao-motheo oa ho tsamaisa mangolo a SQL ka har'a database ebe prometheus e nka liphetho tse fumanoeng. Sena se boetse se u lumella ho holisa metrics e bokeletsoeng ka ho eketsa ea hau.
Ha re e sebeliseng tjena (mohlala deployment.yaml, e sa tlameng):
---
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 ne e boetse e hloka tšebeletso le mokhoa oa litšoantšo
Ka mor'a ho romelloa, re hlile re batla hore bohle ba bonane.
Kenya sengoathoana se latelang ho Prometheus config:
- job_name: 'postgres_exporter'
metrics_path: '/metrics'
scrape_interval: 5s
dns_sd_configs:
- names:
- 'postgres-exporter'
type: 'A'
port: 9187
'Me joale ntho e' ngoe le e 'ngoe e ile ea sebetsa, se setseng ke ho kenyelletsa lintho tsena kaofela ho grafana le ho thabela sephetho.
Ntle le bokhoni ba ho eketsa lipotso tsa hau, o ka fetola litlhophiso ho prometheus, ho bokella metrics e lebisitsoeng ho feta.
Sena se ile sa etsoa ka tsela e tšoanang bakeng sa:
- Kafka
- Elasticsearch
- mongo
PS Lintlha tsohle tsa mabitso, likoung le tse ling kaofela li nkuoa moeeng 'me ha li na tlhahisoleseling.
Lihokela tse sebetsang:
Source: www.habr.com