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update readme of prometheus scraping

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kongfei 2022-07-15 17:32:04 +08:00
parent b562a6717d
commit 0d93aa9081
1 changed files with 5 additions and 3 deletions
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prometheus/README.md
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@ -70,11 +70,13 @@ subjects:
---
```
2. get token
Scraping in cluster, token will be auto mount into pod with path ```/var/run/secrets/kubernetes.io/serviceaccount/token```, you do not need to care about it.
Scraping out of cluster, you can get token with this way and save it to file, then fill `bearer_token_file` in file `k8s/scrape_with_token.yaml`
Recommended Strongly: Scraping in cluster, token will be auto mount into pod with path ```/var/run/secrets/kubernetes.io/serviceaccount/token```, you do not need to care about it. Replace all Vars with your own in file `k8s/in_cluster_scrape.yaml`.
Scraping out of cluster, you can get token with this way and save it to file, then fill `bearer_token_file` in file `k8s/scrape_with_token.yaml`
```
secrets=$(kubectl get serviceaccount categraf-serviceaccount -o jsonpath={.secrets[].name})
kubectl get secrets ${secrets} -o jsonpath={.data.token} | base64 -d
```
`k8s/scrape_with_cafile.yaml` and `k8s/scrape_with_kubecofnig.yaml` is recommended only if you are proficient in
X509 client certs.