update etcdctl outpout with json
Jimmy Song
parent
82eed1effb
commit
0dc7acd897
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@ -97,89 +97,35 @@ metadata:
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ConfigMap中的内容是存储到etcd中的，然后查询etcd：
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```bash
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ETCDCTL_API=3 etcdctl get /registry/configmaps/default/nginx-config
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/registry/configmaps/default/nginx-config
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ETCDCTL_API=3 etcdctl get /registry/configmaps/default/nginx-config -w json|python -m json.tool
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```
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注意使用 v3 版本的 etcdctl API，下面是输出结果：
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```bash
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k8s
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v1 ConfigMap<61>
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T
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nginx-configdefault"*$18d70527-7686-11e7-bfbd-8af1e3a7c5bd28B
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<20>ʀ<EFBFBD><CA80><EFBFBD><EFBFBD>xz<78>
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nginx.conf<6E>
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worker_processes 1;
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events { worker_connections 1024; }
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http {
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sendfile on;
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server {
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listen 80;
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# a test endpoint that returns http 200s
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location / {
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proxy_pass http://httpstat.us/200;
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proxy_set_header X-Real-IP $remote_addr;
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```json
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{
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"count": 1,
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"header": {
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"cluster_id": 12091028579527406772,
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"member_id": 16557816780141026208,
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"raft_term": 36,
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"revision": 29258723
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},
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"kvs": [
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{
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"create_revision": 14925806,
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"key": "L3JlZ2lzdHJ5L2NvbmZpZ21hcHMvZGVmYXVsdC9uZ2lueC1jb25maWc=",
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"mod_revision": 14925806,
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"value": "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",
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"version": 1
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}
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}
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server {
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listen 80;
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server_name api.hello.world;
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location / {
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proxy_pass http://l5d.default.svc.cluster.local;
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proxy_set_header Host $host;
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proxy_set_header Connection "";
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proxy_http_version 1.1;
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more_clear_input_headers 'l5d-ctx-*' 'l5d-dtab' 'l5d-sample';
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}
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}
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server {
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listen 80;
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server_name www.hello.world;
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location / {
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# allow 'employees' to perform dtab overrides
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if ($cookie_special_employee_cookie != "letmein") {
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more_clear_input_headers 'l5d-ctx-*' 'l5d-dtab' 'l5d-sample';
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}
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# add a dtab override to get people to our beta, world-v2
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set $xheader "";
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if ($cookie_special_employee_cookie ~* "dogfood") {
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set $xheader "/host/world => /srv/world-v2;";
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}
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proxy_set_header 'l5d-dtab' $xheader;
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proxy_pass http://l5d.default.svc.cluster.local;
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proxy_set_header Host $host;
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proxy_set_header Connection "";
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proxy_http_version 1.1;
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}
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}
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}"
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]
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}
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```
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输出中在 `nginx.conf` 配置文件的基础中增加了文件头内容，是kubernetes增加的。
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其中的value就是 `nginx.conf` 配置文件的内容。
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可以使用base64解码查看具体值，关于etcdctl的使用请参考[使用etcdctl访问kuberentes数据](../guide/using-etcdctl-to-access-kubernetes-data.md)。
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## 代码
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