istio服务组件
//
# istio之VirtualService
VirtualService (opens new window)
- 当携带请求头 end-user:jason 的时候请求reviews-v2,否则请求 reviews-v3
apiVersion: networking.istio.io/v1
kind: VirtualService
metadata:
name: reviews
spec:
hosts:
- reviews
http:
- match:
- headers:
end-user:
exact: jason
route:
- destination:
host: reviews
subset: v2
- route:
- destination:
host: reviews
subset: v3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
# istio之Destination
apiVersion: networking.istio.io/v1
kind: DestinationRule
metadata:
name: my-destination-rule
spec:
host: my-svc
trafficPolicy: #全局定义
loadBalancer:
simple: RANDOM
subsets:
- name: v1
labels:
version: v1
- name: v2
labels:
version: v2
trafficPolicy:
loadBalancer:
simple: ROUND_ROBIN
- name: v3
labels:
version: v3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
# istio之Gateway
apiVersion: networking.istio.io/v1
kind: Gateway
metadata:
name: ext-host-gwy
spec:
selector:
app: my-gateway-controller
servers:
- port:
number: 443
name: https
protocol: HTTPS
hosts:
- ext-host.example.com
tls:
mode: SIMPLE
credentialName: ext-host-cert
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
# istio之VirtualService
apiVersion: networking.istio.io/v1
kind: VirtualService
metadata:
name: virtual-svc
spec:
hosts:
- ext-host.example.com
gateways:
- ext-host-gwy
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
# istio之ServiceEntry
apiVersion: networking.istio.io/v1
kind: ServiceEntry
metadata:
name: svc-entry
spec:
hosts:
- ext-svc.example.com
ports:
- number: 443
name: https
protocol: HTTPS
location: MESH_EXTERNAL
resolution: DNS
1
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
# istio之Sidecar
apiVersion: networking.istio.io/v1
kind: Sidecar
metadata:
name: default
namespace: bookinfo
spec:
egress:
- hosts:
- "./*"
- "istio-system/*"
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
//
如果此文章对您有帮助，点击 -->> 请博主喝咖啡 (opens new window)
上次更新: 2025/05/09, 11:56:57