ServiceEntry详解

Field	Type	Description	Required
`hosts`	`string[]`	The hosts associated with the ServiceEntry. Could be a DNS name with wildcard prefix.The hosts field is used to select matching hosts in VirtualServices and DestinationRules.For HTTP traffic the HTTP Host/Authority header will be matched against the hosts field.For HTTPs or TLS traffic containing Server Name Indication (SNI), the SNI value will be matched against the hosts field.NOTE 1: When resolution is set to type DNS and no endpoints are specified, the host field will be used as the DNS name of the endpoint to route traffic to.NOTE 2: If the hostname matches with the name of a service from another service registry such as Kubernetes that also supplies its own set of endpoints, the ServiceEntry will be treated as a decorator of the existing Kubernetes service. Properties in the service entry will be added to the Kubernetes service if applicable. Currently, the only the following additional properties will be considered by `istiod`:subjectAltNames: In addition to verifying the SANs of the service accounts associated with the pods of the service, the SANs specified here will also be verified.	Yes
`addresses`	`string[]`	The virtual IP addresses associated with the service. Could be CIDR prefix. For HTTP traffic, generated route configurations will include http route domains for both the `addresses` and `hosts` field values and the destination will be identified based on the HTTP Host/Authority header. If one or more IP addresses are specified, the incoming traffic will be identified as belonging to this service if the destination IP matches the IP/CIDRs specified in the addresses field. If the Addresses field is empty, traffic will be identified solely based on the destination port. In such scenarios, the port on which the service is being accessed must not be shared by any other service in the mesh. In other words, the sidecar will behave as a simple TCP proxy, forwarding incoming traffic on a specified port to the specified destination endpoint IP/host. Unix domain socket addresses are not supported in this field.	No
`ports`	`Port[]`	The ports associated with the external service. If the Endpoints are Unix domain socket addresses, there must be exactly one port.	Yes
`location`	`Location`	Specify whether the service should be considered external to the mesh or part of the mesh.	No
`resolution`	`Resolution`	Service discovery mode for the hosts. Care must be taken when setting the resolution mode to NONE for a TCP port without accompanying IP addresses. In such cases, traffic to any IP on said port will be allowed (i.e. `0.0.0.0:`).	Yes
`endpoints`	`WorkloadEntry[]`	One or more endpoints associated with the service. Only one of `endpoints` or `workloadSelector` can be specified.	No
`workloadSelector`	`WorkloadSelector`	Applicable only for MESH_INTERNAL services. Only one of `endpoints` or `workloadSelector` can be specified. Selects one or more Kubernetes pods or VM workloads (specified using `WorkloadEntry`) based on their labels. The `WorkloadEntry` object representing the VMs should be defined in the same namespace as the ServiceEntry.	No
`exportTo`	`string[]`	A list of namespaces to which this service is exported. Exporting a service allows it to be used by sidecars, gateways and virtual services defined in other namespaces. This feature provides a mechanism for service owners and mesh administrators to control the visibility of services across namespace boundaries.If no namespaces are specified then the service is exported to all namespaces by default.The value “.” is reserved and defines an export to the same namespace that the service is declared in. Similarly the value “*” is reserved and defines an export to all namespaces.For a Kubernetes Service, the equivalent effect can be achieved by setting the annotation “networking.istio.io/exportTo” to a comma-separated list of namespace names.	No
`subjectAltNames`	`string[]`	If specified, the proxy will verify that the server certificate’s subject alternate name matches one of the specified values.NOTE: When using the workloadEntry with workloadSelectors, the service account specified in the workloadEntry will also be used to derive the additional subject alternate names that should be verified.	No

`exportTo`

1当前名称空间

1部署sleep

kubectl apply -f samples/sleep/sleep.yaml -n istio

2修改默认访问策略

mesh下面

outboundTrafficPolicy: 
  mode: REGISTRY_ONLY

重启pod istiod使之生效

2应用serviceentry

serviceentries/se-baidu-dot.yaml

kubectl apply -f se-baidu-dot.yaml -n istio

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  exportTo: 
  - "."
  hosts:
  - "www.baidu.com"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

2名称空间

serviceentries/se-baidu-namespace.yaml

kubectl apply -f se-baidu-namespace.yaml -n istio

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  exportTo: 
  - "istio-system"
  hosts:
  - "www.baidu.com"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

修改名称空间为istio，再测试

3 所有名称空间

serviceentries/se-baidu-star.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  exportTo: 
  - "*"
  hosts:
  - "www.baidu.com"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

hosts

serviceentries/se-baidu-hosts.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  hosts:
  - "www.baidu.com"
  - "www.csdn.net"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

resolution

DNS

serviceentries/se-baidu-resolution-dns.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  hosts:
  - "www.baidu.com"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

STATIC

mongodb-se-resolution-static.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154

se-baidu-resolution-static.yaml

apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
  name: baidu
spec:
  hosts:
  - "www.baidu.com"
  ports: 
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 36.152.44.96

NONE

se-baidu-resolution-none.yaml

配置静态dns

kubectl edit cm coredns -n kube-system

hosts { 192.168.198.158 mymongodb.demo 36.152.44.96 www.baidu.com fallthrough }

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  hosts:
  - www.baidu.com
  location: MESH_EXTERNAL
  ports:
  - number: 80
    name: http
    protocol: HTTP
  resolution: NONE

进入pod访问

kubectl exec -it client-bcd749854-dnkml -n istio -- /bin/sh

wget www.baidu.com

vs dr se联合使用

1部署mongodb

yum install mongodb-org

配置mongodb远程访问

bind 0.0.0.0

启动mongod

systemctl start mongod

2创建se

mongodb-se-resolution-static-multi-ep.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
  - address: 192.168.198.155

3创建vs

vs-mongodb.yaml

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: vs-mongodb
spec:
  hosts:
  - "mymongodb.demo"
  tcp:
  - route:
    - destination:
        host: mymongodb.demo

4创建dr

dr-mongodb-random.yaml

apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: mymongodb
spec:
  host: mymongodb.demo
  trafficPolicy:
    loadBalancer:
      simple: RANDOM

5设置coredns静态dns

kubectl get cm -n kube-system coredns -o yaml

hosts { 192.168.198.158 mymongodb.demo fallthrough }

6进入mongodb pod

kubectl exec -it mongodb-v1-64d4666575-6n2dq -n istio -- /bin/bash

7访问

mongo --host mymongodb.demo

或

mongo --host 192.168.198.158

location

Name	Description
`MESH_EXTERNAL`	Signifies that the service is external to the mesh. Typically used to indicate external services consumed through APIs.
`MESH_INTERNAL`	Signifies that the service is part of the mesh. Typically used to indicate services added explicitly as part of expanding the service mesh to include unmanaged infrastructure (e.g., VMs added to a Kubernetes based service mesh).

`MESH_EXTERNAL`

serviceentries/se-baidu-star.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  exportTo: 
  - "*"
  hosts:
  - "www.baidu.com"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

`MESH_INTERNAL`

se-details-location-internal.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: details-se
spec:
  hosts:
  - details.bookinfo.com
  location: MESH_INTERNAL
  ports:
  - number: 9080
    name: http
    protocol: HTTP
  resolution: STATIC
  workloadSelector:
    labels:
      app: details

添加静态路由

hosts { 192.168.198.158 mymongodb.demo 36.152.44.96 www.baidu.com 10.68.190.94 details.bookinfo.com fallthrough }

删除client pod

kubectl delete pod client-bcd749854-dnkml -n istio

进入pod

kubectl exec -it client-bcd749854-hs2s7 -n istio -- /bin/sh

wget details.bookinfo.com:9080/details/0

addresses

se-details-adresses.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: details-se
spec:
  hosts:
  - details.bookinfo.com
  addresses:
  - 192.168.198.177/32
  - 192.168.198.178/32
  location: MESH_INTERNAL
  ports:
  - number: 9080
    name: http
    protocol: HTTP
  resolution: STATIC
  workloadSelector:
    labels:
      app: details

两个address第一个不生效，最后一个生效，改为一个address再试

ports

http端口：

serviceentries/se-baidu-star.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  exportTo: 
  - "*"
  hosts:
  - "www.baidu.com"
  ports:
  - number: 80
    name: http
    protocol: HTTP
  location: MESH_EXTERNAL
  resolution: DNS

443端口

se-baidu-ports-https.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: baidu
spec:
  exportTo: 
  - "*"
  hosts:
  - "www.baidu.com"
  ports:
  - number: 443
    name: https
    protocol: HTTPS
  location: MESH_EXTERNAL
  resolution: DNS

se-jd-ports-https.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: jd-api
spec:
  hosts:
  - api.jd.com
  ports:
  - number: 443
    name: https
    protocol: HTTPS
  resolution: DNS

kubectl exec -it sleep-557747455f-wqtls -n istio -- /bin/sh

curl 百度一下，你就知道

curl 多快好省，购物上京东！

使用egress

se-cnn.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: cnn
spec:
  hosts:
  - edition.cnn.com
  ports:
  - number: 80
    name: http-port
    protocol: HTTP
  - number: 443
    name: https
    protocol: HTTPS
  resolution: DNS

cnn-egressgateway.yaml

apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
  name: cnn-egressgateway
spec:
  selector:
    istio: egressgateway
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - edition.cnn.com

dr-egressgateway-cnn.yaml

apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: dr-egressgateway-cnn
spec:
  host: istio-egressgateway.istio-system.svc.cluster.local
  subsets:
  - name: cnn

vs-cnn.yaml

apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: direct-cnn-through-egress-gateway
spec:
  hosts:
  - edition.cnn.com
  gateways:
  - istio-egressgateway
  - mesh
  http:
  - match:
    - gateways:
      - mesh
      port: 80
    route:
    - destination:
        host: istio-egressgateway.istio-system.svc.cluster.local
        subset: cnn
        port:
          number: 80
      weight: 100
  - match:
    - gateways:
      - istio-egressgateway
      port: 80
    route:
    - destination:
        host: edition.cnn.com
        port:
          number: 80
      weight: 100

curl http://edition.cnn.com/politics -I

查看egress日志

kubectl logs istio-egressgateway-bd6d77495-vmhvg -n istio-system -f

endpoints

Field	Type	Description	Required
`address`	`string`	Address associated with the network endpoint without the port. Domain names can be used if and only if the resolution is set to DNS, and must be fully-qualified without wildcards. Use the form unix:///absolute/path/to/socket for Unix domain socket endpoints.	Yes
`ports`	`map`	Set of ports associated with the endpoint. If the port map is specified, it must be a map of servicePortName to this endpoint’s port, such that traffic to the service port will be forwarded to the endpoint port that maps to the service’s portName. If omitted, and the targetPort is specified as part of the service’s port specification, traffic to the service port will be forwarded to one of the endpoints on the specified `targetPort`. If both the targetPort and endpoint’s port map are not specified, traffic to a service port will be forwarded to one of the endpoints on the same port.NOTE 1: Do not use for `unix://` addresses.NOTE 2: endpoint port map takes precedence over targetPort.	No
`labels`	`map`	One or more labels associated with the endpoint.	No
`network`	`string`	Network enables Istio to group endpoints resident in the same L3 domain/network. All endpoints in the same network are assumed to be directly reachable from one another. When endpoints in different networks cannot reach each other directly, an Istio Gateway can be used to establish connectivity (usually using the `AUTO_PASSTHROUGH` mode in a Gateway Server). This is an advanced configuration used typically for spanning an Istio mesh over multiple clusters.	No
`locality`	`string`	The locality associated with the endpoint. A locality corresponds to a failure domain (e.g., country/region/zone). Arbitrary failure domain hierarchies can be represented by separating each encapsulating failure domain by /. For example, the locality of an an endpoint in US, in US-East-1 region, within availability zone az-1, in data center rack r11 can be represented as us/us-east-1/az-1/r11. Istio will configure the sidecar to route to endpoints within the same locality as the sidecar. If none of the endpoints in the locality are available, endpoints parent locality (but within the same network ID) will be chosen. For example, if there are two endpoints in same network (networkID “n1”), say e1 with locality us/us-east-1/az-1/r11 and e2 with locality us/us-east-1/az-2/r12, a sidecar from us/us-east-1/az-1/r11 locality will prefer e1 from the same locality over e2 from a different locality. Endpoint e2 could be the IP associated with a gateway (that bridges networks n1 and n2), or the IP associated with a standard service endpoint.	No
`weight`	`uint32`	The load balancing weight associated with the endpoint. Endpoints with higher weights will receive proportionally higher traffic.	No
`serviceAccount`	`string`	The service account associated with the workload if a sidecar is present in the workload. The service account must be present in the same namespace as the configuration ( WorkloadEntry or a ServiceEntry)

https://istio.io/latest/docs/reference/config/networking/workload-entry/#WorkloadEntry

address

mongodb-se-resolution-static-multi-ep.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
  - address: 192.168.198.155

labels

1创建se

endpoints/se-mongodb-labels.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
    labels:
      version: v1
  - address: 192.168.198.155
    labels:
      version: v2

2创建vs

endpoints/vs-mongodb-v1.yaml

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: vs-mongodb
spec:
  hosts:
  - "mymongodb.demo"
  tcp:
  - route:
    - destination:
        host: mymongodb.demo
        subset: v1

3创建dr

endpoints/dr-mongodb.yaml

apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: mymongodb
spec:
  host: mymongodb.demo
  trafficPolicy:
    loadBalancer:
      simple: RANDOM
  subsets:
  - name: v1
    labels:
      version: v1
  - name: v2
    labels:
      version: v2

4访问

kubectl exec -it mongodb-v1-64d4666575-6n2dq -n istio -- /bin/bash

mongo --host mymongodb.demo

结果都路由到v1版本

locality

region/zone/subzone

distribute

[root@master01 kube]# kubectl get node --show-labels
NAME              STATUS   ROLES    AGE   VERSION   LABELS
192.168.198.154   Ready    master   22d   v1.20.5   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/arch=amd64,kubernetes.io/hostname=192.168.198.154,kubernetes.io/os=linux,kubernetes.io/role=master,topology.istio.io/subzone=sz01,topology.kubernetes.io/region=us-central1,topology.kubernetes.io/zone=z1
192.168.198.155   Ready    master   22d   v1.20.5   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/arch=amd64,kubernetes.io/hostname=192.168.198.155,kubernetes.io/os=linux,kubernetes.io/role=master,topology.istio.io/subzone=sz02,topology.kubernetes.io/region=us-central2,topology.kubernetes.io/zone=z2
192.168.198.156   Ready    node     22d   v1.20.5   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/arch=amd64,kubernetes.io/hostname=192.168.198.156,kubernetes.io/os=linux,kubernetes.io/role=node,topology.istio.io/subzone=sz03,topology.kubernetes.io/region=us-central3,topology.kubernetes.io/zone=z3

endpoints/se-mongodb-locality.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
    locality: "us-central1/z1/sz01"
    labels:
      version: v1
  - address: 192.168.198.155
    labels:
      version: v2
    locality: "us-central2/z2/sz02"

topology.kubernetes.io/region=us-central1

topology.kubernetes.io/zone=z1

topology.istio.io/subzone=sz01

endpoints/dr-mongodb-locality.yaml

apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: dr-mongodb
spec:
  host: mymongodb.demo
  trafficPolicy:
    loadBalancer:
      localityLbSetting:
        enabled: true
        distribute:
        - from: "us-central1/z1/*"
          to:
            #"us-central3/z3/*": 100
            "us-central2/z2/*": 100
            #"us-central1/z1/*": 100
    outlierDetection:
      consecutive5xxErrors: 1
      interval: 5m
      baseEjectionTime: 15m

endpoints/vs-mongodb-locality.yaml

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: vs-mongodb
spec:
  hosts:
  - "mymongodb.demo"
  tcp:
  - route:
    - destination:
        host: mymongodb.demo

kubectl exec -it mongodb-v1-64d4666575-hl6br -n istio -- /bin/bash

mongo --host 192.168.198.158

failover

endpoints/dr-mongodb-locality-failover.yaml

apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: dr-mongodb
spec:
  host: mymongodb.demo
  trafficPolicy:
    loadBalancer:
      localityLbSetting:
        enabled: true
        failover:
        - from: us-central1/z1/sz01
          to: us-central2/z2/sz02
        - from: us-central2/z2/sz02
          to: us-central1/z1/sz01
    outlierDetection:
      consecutive5xxErrors: 1
      interval: 1s
      baseEjectionTime: 15m

network

endpoints/se-mongodb-network.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
    network: n1
  - address: 192.168.198.155

不成功

weight

endpoints/se-mongodb-weight.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
    weight: 10
  - address: 192.168.198.155
    weight: 90

serviceAccount

endpoints/se-mongodb-serviceaccount.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27017
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
    serviceAccount: mongov1
  - address: 192.168.198.155
    serviceAccount: mongov2

不知道起什么作用

ports

endpoints/se-mongodb-endpoint-ports.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: mongodb-se
spec:
  hosts:
  - mymongodb.demo 
  addresses:
  - "192.168.198.158/32"
  ports:
  - number: 27019
    name: mongodb
    protocol: MONGO
  location: MESH_EXTERNAL
  resolution: STATIC
  endpoints:
  - address: 192.168.198.154
    ports:
      mongodb: 27017
  - address: 192.168.198.155
    ports:
      mongodb: 27017

mongo --host mymongodb.demo --port 27019

subjectAltNames

在default部署details2

details2-deploy.yaml

se-details-subject-alt-names.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: details-se
spec:
  hosts:
  - details.default.com
  addresses:
  - 192.168.198.159
  location: MESH_INTERNAL
  ports:
  - number: 9080
    name: http
    protocol: HTTP
  resolution: STATIC
  subjectAltNames:
  - "aa"
  workloadSelector:
    labels:
      app: default-details

不知道有什么作用

workloadSelector

在default部署details2

details2-deploy.yaml

apiVersion: v1
kind: Service
metadata:
  name: details
  labels:
    app: details
    service: details
spec:
  ports:
  - port: 9080
    name: http
  selector:
    app: details
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: bookinfo-details
  labels:
    account: details
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: details-v1
  labels:
    app: default-details
    version: v1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: default-details
      version: v1
  template:
    metadata:
      labels:
        app: default-details
        version: v1
    spec:
      serviceAccountName: bookinfo-details
      containers:
      - name: details
        image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 9080
        securityContext:
          runAsUser: 1000

se-details-workloadSelector.yaml

apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
  name: details-se
spec:
  hosts:
  - details.default.com
  addresses:
  - 192.168.198.159
  location: MESH_INTERNAL
  ports:
  - number: 9080
    name: http
    protocol: HTTP
  resolution: STATIC
  workloadSelector:
    labels:
      app: default-details

kubectl apply -f se-details-workloadSelector.yaml

标签：ServiceEntry,name,mongodb,istio,192.168,详解,hosts,io
From： https://blog.51cto.com/u_11979904/5948167

欢迎关注我的公众号：

学习目标

什么是ServiceEntry

资源详解

`exportTo`

1当前名称空间

2名称空间

3 所有名称空间

hosts

resolution

DNS

STATIC

NONE

vs dr se联合使用

location

`MESH_EXTERNAL`

`MESH_INTERNAL`

addresses

ports

使用egress

endpoints

address

labels

locality

network

weight

serviceAccount

ports

subjectAltNames

workloadSelector

相关文章

赞助商

阅读排行

ServiceEntry详解

欢迎关注我的公众号：

学习目标

什么是ServiceEntry

资源详解

​​exportTo​​

1当前名称空间

2名称空间

3 所有名称空间

hosts

resolution

DNS

STATIC

NONE

vs dr se联合使用

location

​​MESH_EXTERNAL​​

​​MESH_INTERNAL​​

addresses

ports

使用egress

endpoints

address

labels

locality

network

weight

serviceAccount

ports

subjectAltNames

workloadSelector

相关文章

赞助商

阅读排行

`exportTo`

`MESH_EXTERNAL`

`MESH_INTERNAL`