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Prometheus integration with StorageGRID fails due to certificate mismatch

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Category:
storagegrid
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sgrid
Last Updated:

Applies to

  • StorageGRID
  • Prometheus

Issue

  • When integrating an external Prometheus with NetApp StorageGRID, metrics cannot be retrieved.
  • The error message observed in Prometheus GUI:

Error scraping target: Get "https://[target-url]/federate?match%5B%5D=%7B__name__%3D~%22alertmanager_.%2A%7Ccassandra_.%2A%7Cnode_.%2A%7Cstoragegrid_.%2A%22%7D": tls: failed to verify certificate: x509: certificate is not valid for any names, but wanted to match [target-url]

  • When testing connection via curl by specifying the corresponding certificates, the result shows The SSL certificate error

Example:

[root@localhost ~]# curl https://xxxx:9091/federate -v --cert /etc/prometheus/cert/certificate.pem --key /etc/prometheus/cert/private_key.pem --cacert /etc/prometheus/cert/ca_certificate.pem
*   Trying x.x.x.x:9091...
...
<body>
<center><h1>400 Bad Request</h1></center>
<center>The SSL certificate error</center>
<hr><center>nginx</center>
</body>

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