我正在尝试在 Google Cloud Platform 的 kubernetes 中部署 laravel 应用程序。
我遵循了几个教程,并成功地在 docker VM 上进行了本地尝试。
https://learnk8s.io/blog/kubernetes-deploy-laravel-the-easy-way
https://blog.cloud66.com/deploying-your-laravel-php-applications-with-cloud-66/
但是当尝试在 kubernetes 中部署时,使用入口为应用程序分配域名。我不断收到 502 bad gateway 页面。
我正在使用带有图像 k8s.gcr.io/nginx-ingress-controller:0.8.3 的 nginx 入口 Controller ,我的入口如下
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: ingress
annotations:
kubernetes.io/ingress.class: "nginx"
spec:
tls:
- hosts:
- domainname.com
secretName: sslcertificate
rules:
- host: domain.com
http:
paths:
- backend:
serviceName: service
servicePort: 80
path: /
这是我的应用程序服务
apiVersion: v1
kind: Service
metadata:
name: service
labels:
name: demo
version: v1
spec:
ports:
- port: 80
targetPort: 8080
protocol: TCP
selector:
name: demo
type: NodePort
这是我的入口 Controller
apiVersion: v1
kind: Service
metadata:
name: default-http-backend
labels:
k8s-app: default-http-backend
spec:
ports:
- port: 80
targetPort: 8080
protocol: TCP
name: http
selector:
k8s-app: default-http-backend
---
apiVersion: v1
kind: ReplicationController
metadata:
name: default-http-backend
spec:
replicas: 1
selector:
k8s-app: default-http-backend
template:
metadata:
labels:
k8s-app: default-http-backend
spec:
terminationGracePeriodSeconds: 60
containers:
- name: default-http-backend
# Any image is permissable as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: gcr.io/google_containers/defaultbackend:1.0
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
---
apiVersion: v1
kind: ReplicationController
metadata:
name: nginx-ingress-controller
labels:
k8s-app: nginx-ingress-lb
spec:
replicas: 1
selector:
k8s-app: nginx-ingress-lb
template:
metadata:
labels:
k8s-app: nginx-ingress-lb
name: nginx-ingress-lb
spec:
terminationGracePeriodSeconds: 60
containers:
- image: gcr.io/google_containers/nginx-ingress-controller:0.8.3
name: nginx-ingress-lb
imagePullPolicy: Always
readinessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
livenessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
timeoutSeconds: 1
# use downward API
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
ports:
- containerPort: 80
hostPort: 80
- containerPort: 443
hostPort: 443
# we expose 18080 to access nginx stats in url /nginx-status
# this is optional
- containerPort: 18080
hostPort: 18080
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-http-backend
这是我的 laravel 应用程序部署
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: demo-rc
labels:
name: demo
version: v1
spec:
strategy:
type: Recreate
template:
metadata:
labels:
name: demo
version: v1
spec:
containers:
- image: gcr.io/projectname/laravelapp:vx
name: app-pod
ports:
- containerPort: 8080
我试图将域条目添加到主机文件但没有运气!
我必须为 nginx 入口 Controller 添加到 configmap.yaml 文件中的特定配置吗?
最佳答案
简而言之,为了能够通过外部域名 (singapore.smartlabplatform.com) 访问您的应用程序,您需要为 GCP L4 负载均衡器的外部 IP 地址创建一个 DNS 记录(换句话说,这就是您默认的 EXTERNAL-IP nginx-ingress-controller 的服务),这里被视为待处理:
==> v1/Service
NAME TYPE CLUSTER-IP EXTERNAL-IP
nginx-ingress-controller LoadBalancer 10.7.248.226 pending
nginx-ingress-default-backend ClusterIP 10.7.245.75 none
这该怎么做?在 GKE 教程页面 here 上有说明.
在您的环境的当前状态下,您只能通过两种方式访问您的应用程序:
$ curl laravel-kubernetes-demo.default.svc.cluster.local
<title>Laravel Kubernetes Demo :: LearnK8s</title>
如果您想要所有的魔法,比如自动创建 DNS 记录,那么随着
host: domain.com
的出现而发生。在你的入口资源规范中,你应该使用 external-dns (使 Kubernetes 资源可通过公共(public) DNS 服务器发现)和 here是关于如何专门为 GKE 设置它的教程。
关于laravel - 在 Kubernetes 中部署 Laravel,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54468657/