Support sending mail or resource information formatted output by table

[bertreyking]

What would you like to be added?

1. Use cronjob to complete resource information collection and email sending (to cc)

   • resources save to file (such as：pod、deployment)

2. Resources are distinguished by tables such as: pod, deployment

NAMESPACE             CLUSTER              NAME                                                              READY   STATUS              RESTARTS        AGE     IP     
          NODE       NOMINATED NODE   READINESS GATES
app-stack             cluster1   backend                                                           1/1     Running             0               83d     10.233.
106.153   master01   <none>           <none>
calico-apiserver      cluster1  calico-apiserver-846699985f-l8sr4                                 1/1     Running             1 (24d ago)     51d     10.233.
106.161   master01   <none>           <none>
clusterpedia-system   cluster1   clusterpedia-apiserver-77bf5d9865-7hwrg                           1/1     Running             0               80d     10.233.
106.155  
monitoring            cluster2     prometheus-adapter-5598c6b549-v8tsf                               1/1     Running             0               10d     172.29.
48.7      worker02   <none>           <none>
monitoring            cluster2     prometheus-k8s-0                                                  2/2     Running             0               10d     172.29.
48.19     worker02   <none>           <none>
monitoring            cluster2     prometheus-operator-7cb89c4795-4kw4j                              2/2     Running             0               10d     172.29.
48.8      worker02   <none>           <none>

Why is this needed?

Keep historical data for a period of time and check it at any time (such as: when the log uses hostpath mode, you can quickly locate the node where the pod is located and the log file)

[clusterpedia-bot]

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[bertreyking]

Sorry(Problem 2 does not seem to need to be resolved)，today I found that the resource information has been differentiated by different resource and kind in the (db)resources table

mysql:
SELECT * FROM clusterpedia.resources where resource = 'deployments' limit 2 \G
SELECT * FROM clusterpedia.resources where resource = 'pods' limit 1 \G