GKE 入口无法在一个主机下路由多个路径

Question

我无法获得使用GKE Ingress- host: api.mysite.com下的任何路径，我不明白为什么。当我尝试路线时，我得到 404。

在下面的示例中，我希望api.mysite.com/v1/和api.mysite.com/v2/路由到适当的服务(我通过nodeport公开了这些服务)。不幸的是，我只得到了 404 归还给我。

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: gce-ingress
namespace: default
annotations:
kubernetes.io/ingress.global-static-ip-name: my-global-ip
spec:
rules:
- host: mysite.com
http:
paths:
- backend:
serviceName: webserver
servicePort: 8080
- host: www.mysite.com
http:
paths:
- backend:
serviceName: webserver
servicePort: 8080
- host: api.mysite.com
http:
paths:
- path: /v2/*
backend:
serviceName: api-v2
servicePort: 9000
- path: /v1/*
backend:
serviceName: api-v1
servicePort: 8000

公开服务的节点端口：

apiVersion: v1
kind: Service
metadata:
name: webserver
labels:
app: webserver
namespace: default
spec:
selector:
app: webserver
type: NodePort
ports:
- port: 8080
name: http
protocol: TCP
targetPort: 8080
---
apiVersion: v1
kind: Service
metadata:
name: api-v2
labels:
app: api-v2
namespace: default
spec:
selector:
app: api-v2
type: NodePort
ports:
- port: 9000
name: http
protocol: TCP
targetPort: 8080
---
apiVersion: v1
kind: Service
metadata:
name: api-v1
labels:
app: api-v1
namespace: default
spec:
selector:
app: api-v1
type: NodePort
ports:
- port: 8000
name: http
protocol: TCP
targetPort: 8080

我测试入口时的结果(真实主机名和 ip 已编辑)：

$ curl api.mysite.com/v1/ -v
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Dload  Upload   Total   Spent    Left  Speed
0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 123.123.123.123...
* TCP_NODELAY set
* Connected to api.mysite.com (123.123.123.123) port 80 (#0)
> GET /v1/ HTTP/1.1
> Host: api.mysite.com
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Server: gunicorn/19.9.0
< Date: Mon, 24 Jun 2019 00:01:34 GMT
< Content-Type: text/html
< X-Frame-Options: SAMEORIGIN
< Content-Length: 77
< Via: 1.1 google
<
{ [77 bytes data]
100    77  100    77    0     0     77      0  0:00:01 --:--:--  0:00:01   706
* Connection #0 to host api.mysite.com left intact
<h1>Not Found</h1><p>The requested resource was not found on this server.</p>

---

$ curl api.mysite.com/v2/ -v
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Dload  Upload   Total   Spent    Left  Speed
0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 123.123.123.123...
* TCP_NODELAY set
* Connected to api.mysite.com (123.123.123.123) port 80 (#0)
> GET /v2/ HTTP/1.1
> Host: api.mysite.com
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Server: gunicorn/19.9.0
< Date: Mon, 24 Jun 2019 00:01:37 GMT
< Content-Type: text/html
< X-Frame-Options: SAMEORIGIN
< Content-Length: 77
< Via: 1.1 google
<
{ [77 bytes data]
100    77  100    77    0     0     77      0  0:00:01 --:--:--  0:00:01   987
* Connection #0 to host api.mysite.com left intact
<h1>Not Found</h1><p>The requested resource was not found on this server.</p>

---

$ curl api.mysite.com/v1 -v
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Dload  Upload   Total   Spent    Left  Speed
0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 123.123.123.123...
* TCP_NODELAY set
* Connected to api.mysite.com (123.123.123.123) port 80 (#0)
> GET /v1 HTTP/1.1
> Host: api.mysite.com
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Mon, 24 Jun 2019 00:01:40 GMT
< Content-Length: 21
< Content-Type: text/plain; charset=utf-8
< Via: 1.1 google
<
{ [21 bytes data]
100    21  100    21    0     0     21      0  0:00:01 --:--:--  0:00:01   269
* Connection #0 to host api.mysite.com left intact
default backend - 404

---

$ curl api.mysite.com/v2 -v
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Dload  Upload   Total   Spent    Left  Speed
0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 123.123.123.123...
* TCP_NODELAY set
* Connected to api.mysite.com (123.123.123.123) port 80 (#0)
> GET /v2 HTTP/1.1
> Host: api.mysite.com
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Mon, 24 Jun 2019 00:01:44 GMT
< Content-Length: 21
< Content-Type: text/plain; charset=utf-8
< Via: 1.1 google
<
{ [21 bytes data]
100    21  100    21    0     0     21      0  0:00:01 --:--:--  0:00:01   333
* Connection #0 to host api.mysite.com left intact
default backend - 404

Answer 1

为了重现该问题，我遵循了下一个文档，该文档解释了如何使用入口设置 HTTP 负载平衡，然后作为可选操作，您可以保留静态 IP 地址并在同一负载均衡器上为多个应用程序提供服务。

按照上述 URL 逐步操作对我来说效果很好：

https://cloud.google.com/kubernetes-engine/docs/tutorials/http-balancer

希望它对你有用。