ืืื ืืืืง ืฆื ืึทืืขืืขื.
ืืื ืืื ื ืืฉื ืืขืคึฟืื ืขื ืึท ืืขื ืขืจืึทืืืืขื ืคืืจืขืจ ืึธื ืืืื ืคึฟืึทืจ ืืึธืืื ื ืืื ืงืึทืืขืงืืื ื ืืขืืจืืงืก ืคืื ืืจืื-ืคึผืึทืจืืื ืืึทืืื ืื ืืก ืืื ืกืืกืืขืืขื ืืืคึผืืืื ืืื . ืืื ืืื ืคึผืึธืกืืื ื ืืืื ืืืืืื ื. ืืขืจ ืึทืจืืืงื ืึทืกืืื ืึทื ืืืจ ืฉืืื ืืึธืื ืึท ืึทืจืืขื ืืื ืื ืืขืจืข ืกืขืจืืืืกืขืก. ืืื ืึท ืืืืฉืคึผืื ืคืื ืึท ืืึทืื ืืงืืจ ืคึฟืึทืจ ืึท ืคืื ืืจืืืกื ืืืง ืกืืืืืคืื ืืื ืกื, ืึท DBMS ืืืขื ืืืื ืืขืืืืื ื ืืื ืึท ืงืึทื ืืืื ืขืจ . ืื ืคืืจืืข ื ืืฆื ืึท ืคึผืขืงื ืคืึทืจืืืึทืืืขืจ , ืืื ืื ืืื ืืขื ืืขืงืกื ืขืก ืืืขื ืืืื ืืืืฉืคืืื ืืืืฃ ืขืก. ืคึฟืึทืจ ืื ืืื ืฆืข ืืืืืื ื, ืืืจ ืืขื ืขื ืคึผืจืืคึผืขืจืื ื ืืื ืืืขืจ ืืืืืขื ืข ืืฉืึทืจื, ืืืึธืก ืืืื ื ืขืกืืขื ืืฉืึทืจืฅ ืคืื ืึทืืข ืื ืกืขืจืืืืกืขืก ืืขื ืืฆื.
ืืึธืืื ื
ืคืืืข ืงืึธืืคึผืึทื ืืขืก ื ืืฆื ืึท ืึธื ืืืืื ืคืื ืืขืงื ืึทืืึทืืืฉืื ืฆื ืืึทืืืขื, ืงืืง ืืื ืกืขื ืืจืึทืืืื ืืึธืืก + + , ืึทืืจืืืืืืืืื ืืื ELK. ืืื ืืื ืืืขืจ ืคืึทื, ืขืก ืืื ื ืื ืืึทืจืคึฟื ืฆื ืืื ืืขืงืก ืื ืืื ืืึทืื ืืื ืืื ืืขืืืืื ื ืึท ืืขืจ ืืืืืืืืื . ืขืก ืืื ืืืจืขืืืืื ืืื ืึท ืืขืื ืคึผืขืงื, ืืืจ ืฆืืืขืืขืื ืขืก ืืื ืึท ืกืืืืฉืึทืจื ืืืจื ืืฉืึทื ืืื ื ืื ืืืึทืืืขืก ืคึฟืึทืจ ืื ืืจืขืกืก ืืื ืคึผืื ืฆื ืคึผืึทืกื ืืื ืืืขืจ ืกืืกืืขื.
ืืืึทืืืขืก.ืืึทืื
ingress:
enabled: true
annotations:
kubernetes.io/ingress.class: nginx
hosts:
- host: kube-loki.example.domain
paths:
- /
tls: []
....
persistence:
type: pvc
enabled: true
accessModes:
- ReadWriteOnce
size: 100Gi
finalizers:
- kubernetes.io/pvc-protection
existingClaim: "pv-loki"
ืฆื ืฉืืงื ืืึธืืก ืฆื ืึท ืืืึทืฉืคึผืื ื ืืฆื .
ืืืจ ืืืื ืื ืกืืึทืืืจื ืืขื ืึทืืืฉืึทื ืืืืฃ ืึทืืฅ ืืื ืืช ืคืื ืืืึธืก ืืืจ ืืืืื ืฆื ืืึทืงืืืขื ืืึธืืก. ืขืก ืืขื ืขื ืขืืืขืืข ืืืขืื ืฆื ืืึธืื ืื ืืืืืึทื ืืื ืฆื ื ืืฆื ืื ืืืึทืื. ืืื ืกืขืืขืงืืืจื ืืขื ืฉืึธืคืขืจ ืืื ืืึทืื , ืืืึธืก ืืื ืืืื ืคึผืืืึทืืึธืึธืง.
postgres.yaml
- name: Run containers
docker_compose:
project_name: main-postgres
definition:
version: '3.7'
services:
p:
image: "{{ postgres_version }}"
container_name: postgresql
restart: always
volumes:
- "{{ postgres_dir }}/data:/var/lib/postgresql/data"
- "{{ postgres_dir }}/postgres_init_scripts:/docker-entrypoint-initdb.d"
environment:
POSTGRES_PASSWORD: {{ postgres_pass }}
POSTGRES_USER: {{ postgres_user }}
ports:
- "{{ postgres_ip }}:{{ postgres_port }}:5432"
logging:
driver: "loki"
options:
loki-url: "{{ loki_url }}"
loki-batch-size: "{{ loki_batch_size }}"
loki-retries: "{{ loki_retries }}"
...
ืืื loki_url:
ืืขืืจืืงืก
ืืขืืจืืงืก ืืขื ืขื ืืขืืืืื ืคึฟืื PostgreSQL ื ืืฆื ืคืึทืจ . ืงืึทื ืืื ืืืืืฉืึทื ืคืื ืื ืืืืื ืืขืงืข ืคึผืืืึทืืึธืึธืง.
postgres.yaml
...
pexp:
image: "wrouesnel/postgres_exporter"
container_name: pexporter
restart: unless-stopped
environment:
DATA_SOURCE_NAME: "postgresql://{{ postgres_user }}:{{ postgres_pass }}@p:5432/postgres?sslmode=disable"
ports:
- "{{ postgres_ip }}:{{ postgres_exporter_port }}:9187"
logging:
driver: "json-file"
options:
max-size: "5m"
...
ืคึฟืึทืจ ืืขืจ ืงืืขืจืืื, ืืืจ ืืืขืื ืฉืจืืึทืื ืื ื ืขืืขื ืคืื ืคืื ืืจืืืกื ืืืง ืกืืืืืคืื ืืึทืืื ืื ืืก ื ืืฆื ืขื ืืคึผืึธืื ืฅ.
postgres-service.yaml
apiVersion: v1
kind: Endpoints
metadata:
name: postgres-exporter
subsets:
- addresses:
- ip: {{ .Values.service.postgres.ip }}
ports:
- port: {{ .Values.service.postgres.port }}
protocol: TCP
---
apiVersion: v1
kind: Service
metadata:
name: postgres-exporter
labels:
chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
spec:
ports:
- protocol: TCP
port: {{ .Values.service.postgres.port }}
targetPort: {{ .Values.service.postgres.port }}
ืงืึทื ืคืืืืขืจ ืคึผืจืึธืืขืืืขืืก ืฆื ืืึทืงืืืขื ืคึผืึธืกืืืจืขืก_ืขืงืกืคึผืึธืจืืขืจ ืืึทืื ืืื ืืืจืืืขืงืึธืื ืืืจื ืขืืืืื ื ืืืึทืืืขืก ืืื ืื ืกืืืืฉืึทืจื.
ืืืึทืืืขืก.ืืึทืื
scrape_configs:
...
- job_name: postgres-exporter
static_configs:
- targets:
- postgres-exporter.applicationnamespace.svc.cluster.local:9187
labels:
alias: postgres
...
ืฆื ืืืืืฉืืืึทืืืื ืื ืืืงืืืขื ืืึทืื, ืื ืกืืึทืืืจื ืื ืฆืื ืขืืขื ืืึทืฉืืึธืจื ืืื
ืืื ืงืึทื ืคืืืืขืจ ืืึทืื ืงืืืืื. ืืึธืก ืงืขื ืืืื ืืืื ืืขืืื ืืืจื ืืืึทืืืขืก ืืื ืื Grafana ืกืืืืฉืึทืจื.
ืืืึธืก ืขืก ืงืืงื ืืื
ืืื ืืึธืคึฟื ืืขื ืงืืจืฅ ืึทืจืืืงื ืืขืืึธืืคึฟื ืืืจ ืคึฟืึทืจืฉืืืื ืื ืืืืคึผื ืืขืืื ืงืขื ืืื ืืขืจ ืืขื ืืืืืื ื ืืื ืืขืจืืืขืืืขื ืืืจ ืฆืืื ืืืขื ืืืจ ืฉืืขืื ืึทืจืืืฃ ืืึธื ืืืึธืจืื ื ืืื ืืึธืืื ื ืคืื ืคืื ืืจืืืกื ืืืง ืืึทืืื ืื ืืก ืคึฟืึทืจ Loki / Prometheus ืืื ืึท Kubernetes ืงื ืืื.
ืืงืืจ: www.habr.com