nginx-prometheus-exporter部署失败
nginx-prometheus-exporter部署失败
提问于 2019-05-15 04:04:46
我正在尝试使用nginx-prometheus-exporter部署Nginx。以下是我的部署
apiVersion: apps/v1beta1
kind: Deployment
metadata:
namespace: local
name: nginx
spec:
replicas: 1
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx
imagePullPolicy: Always
ports:
- name: nginx-port
containerPort: 80
protocol: TCP
livenessProbe:
httpGet:
path: /
port: nginx-port
httpHeaders:
- name: Host
value: KubernetesLivenessProbe
initialDelaySeconds: 10
timeoutSeconds: 1
periodSeconds: 15
readinessProbe:
httpGet:
path: /
port: nginx-port
httpHeaders:
- name: Host
value: KubernetesLivenessProbe
initialDelaySeconds: 3
timeoutSeconds: 1
periodSeconds: 8
volumeMounts:
- mountPath: /etc/nginx/conf.d/ # mount nginx-conf volume to /etc/nginx
readOnly: true
name: frontend-conf
- name: nginx-exporter
image: nginx/nginx-prometheus-exporter:0.3.0
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- name: nginx-ex-port
containerPort: 9113
args:
- -nginx.scrape-uri=http://nginx.local.svc.cluster.local:80/stub_status
volumes:
- name: frontend-conf
configMap:
name: frontend-conf # place ConfigMap `nginx-conf` on /etc/nginx
items:
- key: frontend.local.conf
path: frontend.local.conf 单容器pod可以工作，但在添加nginx-prometheus-exporter sidecar容器时失败。
mackbook: xyz$ kubectl logs nginx-6dbbdb64fb-8drmc -c nginx-exporter
2019/05/14 20:17:48 Starting NGINX Prometheus Exporter Version=0.3.0 GitCommit=6570275
2019/05/14 20:17:53 Could not create Nginx Client: Failed to create NginxClient: failed to get http://nginx.local.svc.cluster.local:80/stub_status: Get http://nginx.local.svc.cluster.local:80/stub_status: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)还可以从运行在不同名称空间中的另一个容器执行curl http://nginx.local.svc.cluster.local。
有人知道指定-nginx.scrape-uri的正确方式是什么吗？
来自Nginx容器
root@nginx-6fd866c4d7-t8wwf:/# curl localhost/stub_status
<html>
<head><title>404 Not Found</title></head>
<body>
<h1>404 Not Found</h1>
<ul>
<li>Code: NoSuchKey</li>
<li>Message: The specified key does not exist.</li>
<li>Key: beta/stub_status</li>
<li>RequestId: 3319E5A424C7BA31</li>
<li>HostId: zVv5zuAyzqbB2Gw3w1DavEJwgq2sbgI8RPMf7RmPsNQoh/9ftxCmiSwyj/j6q/K3lxEEeUy6aZM=</li>
</ul>
<hr/>
</body>
</html>
root@nginx-6fd866c4d7-t8wwf:/#回答 1
Stack Overflow用户
回答已采纳
发布于 2019-05-15 04:27:44
nginx容器监听80端口，您配置sidecar访问8080端口。此外，您将其部署在"production“名称空间中，但使用"test”访问nginx。
尝试使用-nginx.scrape-uri=http://nginx.production.svc.cluster.local:80/stub_status。
顺便说一句，您必须知道Pod中的容器共享一个IP地址和端口空间，并且可以通过localhost找到彼此。
所以你可以使用-nginx.scrape-uri=http://localhost/stub_status。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/56137852
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