1
我试图让我的头绕过来自docker compose
的K8s。我想设置我的第一个荚与我推到注册表的两个容器。以下问题:通过kubernetes中的DNS将IP转换为env变量
如何通过DNS将IP获取到环境变量中,以便注册人可以连接到consul?请参阅容器注册表参数consul://consul:8500
。领事需要改变环境。
{
"kind": "Pod",
"apiVersion": "v1",
"metadata": {
"name": "service-discovery",
"labels": {
"name": "service-discovery"
}
},
"spec": {
"containers": [
{
"name": "consul",
"image": "eu.gcr.io/{myproject}/consul",
"args": [
"-server",
"-bootstrap",
"-advertise=$(MY_POD_IP)"
],
"env": [{
"name": "MY_POD_IP",
"valueFrom": {
"fieldRef": {
"fieldPath": "status.podIP"
}
}
}],
"imagePullPolicy": "IfNotPresent",
"ports": [
{
"containerPort": 8300,
"name": "server"
},
{
"containerPort": 8400,
"name": "alt-port"
},
{
"containerPort": 8500,
"name": "ui-port"
},
{
"containerPort": 53,
"name": "udp-port"
},
{
"containerPort": 8443,
"name": "https-port"
}
]
},
{
"name": "registrator",
"image": "eu.gcr.io/{myproject}/registrator",
"args": [
"-internal",
"-ip=$(MY_POD_IP)",
"consul://consul:8500"
],
"env": [{
"name": "MY_POD_IP",
"valueFrom": {
"fieldRef": {
"fieldPath": "status.podIP"
}
}
}],
"imagePullPolicy": "Always"
}
]
}
}