我有一个名为mongodb的服务。根据文档,服务主机和端口应该通过 $MONGODB_SERVICE_HOST 和 $MONGODB_SERVICE_PORT 对同一集群中的其他 pod 可用。
但是,这些都没有在我的前端 pod 中设置。这个工作有什么要求?
前端控制器.json
{
"id": "frontend",
"kind": "ReplicationController",
"apiVersion": "v1beta1",
"desiredState": {
"replicas": 1,
"replicaSelector": {"name": "spatula", "role": "frontend"},
"podTemplate": {
"desiredState": {
"manifest": {
"version": "v1beta1",
"id": "frontend",
"containers": [{
"name": "frontend",
"image": "gcr.io/crafty_apex_841/spatula_frontend",
"cpu": 100,
"ports": [{"name": "spatula-server", "containerPort": 80}]
}]
}
},
"labels": { "name": "spatula", "role": "frontend" }
}
},
"labels": { "name": "spatula", "role": "frontend" }
}
前端服务.json
{
"apiVersion": "v1beta1",
"kind": "Service",
"id": "frontend",
"port": 80,
"containerPort": "spatula-server",
"labels": { "name": "spatula", "role": "frontend" },
"selector": { "name": "spatula", "role": "frontend" },
"createExternalLoadBalancer": true
}
mongodb-service.json
{
"apiVersion": "v1beta1",
"kind": "Service",
"id": "mongodb",
"port": 27017,
"containerPort": "mongodb-server",
"labels": { "name": "spatula", "role": "mongodb" },
"selector": { "name": "spatula", "role": "mongodb" }
}
mongodb-controller.json
{
"id": "mongodb",
"kind": "ReplicationController",
"apiVersion": "v1beta1",
"desiredState": {
"replicas": 1,
"replicaSelector": {"name": "spatula", "role": "mongodb"},
"podTemplate": {
"desiredState": {
"manifest": {
"version": "v1beta1",
"id": "mongodb",
"containers": [{
"name": "mongodb",
"image": "dockerfile/mongodb",
"cpu": 100,
"ports": [{"name": "mongodb-server", "containerPort": 27017}]
}]
}
},
"labels": { "name": "spatula", "role": "mongodb" }
}
},
"labels": { "name": "spatula", "role": "mongodb" }
}
服务:
$ gcloud preview container services list
NAME LABELS SELECTOR IP PORT
mongodb name=spatula,role=mongodb name=spatula,role=mongodb 10.111.240.154 27017
吊舱:
$ gcloud preview container pods list
POD IP CONTAINER(S) IMAGE(S) HOST LABELS STATUS
9ffd980f-ab56-11e4-ad76-42010af069b6 10.108.0.11 mongodb dockerfile/mongodb k8s-spatula-node-1.c.crafty-apex-841.internal/104.154.44.77 name=spatula,role=mongodb Running