Pushing to prometheus

PushGateway

• GitHub
• When to use the Pushgateway
• official helm chart
• ofiicial docker image

Example of pushing node-exporter metrics to pushgateway using curl/grep:

curl -s http://localhost:9256/metrics | \
  grep -v "\(\(^\| \)go_\|http_request\|http_requests\|http_response\|process_\)" | \
  curl --data-binary @- http://pushgateway.example.com:9091/metrics/job/node/instance/<INSTANCE_NAME>

Public instance

export URL='https://prometheus-pushgateway.example.net'

Delete all metrics in the group identified by {job="node",instance="sth"}:

curl -Lu "admin:$PW" -X DELETE $URL/metrics/job/node/instance/sth

prometheus-proxy

• GitHub
• Well maintained, recent releases
• Up to date, properly tagged images
  • pambrose/prometheus-agent
  • pambrose/prometheus-proxy
• No helm chart published on artifacthub

prom-aggregation-gateway

• GitHub
• No helm chart published on artifacthub
• Feature Request - HELM Chart
• The prometheus-pushgateway helm chart can get used for deploying prom-aggregation-gateway with little changes

Stale / unmaintained

PushProx

• GitHub
• Last release over 1y old
• Unversioned, unverbose official image

Authentication

• Use ingress with http auth for server
• Use basic auth via URL for the client
• PR for adding authentication to pushprox nativly: Added basic auth for proxy and /clients endpoint

PushProx helm charts

• No official helm chart
• camptocamp chart (2019) uses camptocamp/pushprox image (see above)