Istio 附帶的 Plugin 安裝
目錄
Istio 官方安裝套件附帶的套件安裝方式,包含各服務的 Istio Ingress Gateway 設定檔。
安裝 Istio 官方工具中附帶的服務
執行以下命令時,需確認目前 bash 所在位置為 istioctl 工具的資料夾中。
建議安裝 prometheus 與 kiali
- 安裝全部
kubectl apply -f samples/addons
個別安裝
prometheus
kubectl apply -f samples/addons/prometheus.yaml
Kiali
kubectl apply -f samples/addons/kiali.yaml
Grafana
kubectl apply -f samples/addons/grafana.yaml
Jaeger
kubectl apply -f samples/addons/jaeger.yaml
Zipkin
與 jaeger 為同質服務,則一安裝即可
kubectl apply -f samples/addons/extras/zipkin.yaml
Prometheus Operator
kubectl apply -f samples/addons/extras/prometheus-operator.yaml
各個套件的 gateway 設定
參考 : https://istio.io/latest/docs/tasks/observability/gateways/
- prometheus (普羅米修斯)
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: prometheus-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-prom
protocol: HTTP
hosts:
- "prometheus.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: prometheus-vs
namespace: istio-system
spec:
hosts:
- "prometheus.${INGRESS_DOMAIN}"
gateways:
- prometheus-gateway
http:
- route:
- destination:
host: prometheus
port:
number: 9090
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: prometheus
namespace: istio-system
spec:
host: prometheus
trafficPolicy:
tls:
mode: DISABLE
---
EOF
- Kiali
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: kiali-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-kiali
protocol: HTTP
hosts:
- "kiali.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: kiali-vs
namespace: istio-system
spec:
hosts:
- "kiali.${INGRESS_DOMAIN}"
gateways:
- kiali-gateway
http:
- route:
- destination:
host: kiali
port:
number: 20001
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: kiali
namespace: istio-system
spec:
host: kiali
trafficPolicy:
tls:
mode: DISABLE
---
EOF
- Grafana
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: grafana-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-grafana
protocol: HTTP
hosts:
- "grafana.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: grafana-vs
namespace: istio-system
spec:
hosts:
- "grafana.${INGRESS_DOMAIN}"
gateways:
- grafana-gateway
http:
- route:
- destination:
host: grafana
port:
number: 3000
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: grafana
namespace: istio-system
spec:
host: grafana
trafficPolicy:
tls:
mode: DISABLE
---
EOF
- 追蹤 (Jaeger/Zipkin)
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: tracing-gateway
namespace: istio-system
spec:
selector:
istio: ingressgateway
servers:
- port:
number: 80
name: http-tracing
protocol: HTTP
hosts:
- "tracing.${INGRESS_DOMAIN}"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: tracing-vs
namespace: istio-system
spec:
hosts:
- "tracing.${INGRESS_DOMAIN}"
gateways:
- tracing-gateway
http:
- route:
- destination:
host: tracing
port:
number: 80
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: tracing
namespace: istio-system
spec:
host: tracing
trafficPolicy:
tls:
mode: DISABLE
---
EOF
解除安裝
kubectl -n istio-system delete gateway grafana-gateway kiali-gateway prometheus-gateway tracing-gateway
kubectl -n istio-system delete virtualservice grafana-vs kiali-vs prometheus-vs tracing-vs
kubectl -n istio-system delete destinationrule grafana kiali prometheus tracing