I am deploying Percona MongoDB from Helm chart percona/psmdb-db 1.10.1. As part of my k8s cluster ecosystem, I do already have a Prometheus server which does collect Strimzi Kafka metrics.
I would like to know if I have a chance to interop PMM Client 2.x (PMM client 1.x is EOL 2022 May) installed from Helm chart with the Prometheus server ?
Taking a look to the pmm custom resources, I am pessimistic since I do not see any option regarding the mode (push/pull) … as far as I know, Prometheus is only able to pull data from agent exporter ?
Many thanks for your support.
Best regards. Richard
As confirmed by here under snapshots, a running VictoriaMetrics server is mandatory for pmm setup. No way to trigger pmm-client 2.21 in pull mode
pmm: enabled: true image: repository: percona/pmm-client tag: 2.21.0 serverHost:
Starting pmm-agent setup ... INFO[2021-12-13T16:18:38.449+00:00] Loading configuration file /usr/local/percona/pmm2/config/pmm-agent.yaml. component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/node_exporter component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/mysqld_exporter component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/mongodb_exporter component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/postgres_exporter component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/proxysql_exporter component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/rds_exporter component=setup INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/azure_exporter component=setup Checking local pmm-agent status... INFO[2021-12-13T16:18:38.450+00:00] Using /usr/local/percona/pmm2/exporters/vmagent component=setup pmm-agent is not running. Registering pmm-agent on PMM Server... Can't construct PMM Server URL. Please re-run with --server-address flag. pmm-agent setup exited with 1.
Hello @ORich ,
thanks for submitting this.
The best way here would be to utilize custom sidecar containers and run the exporter of your choice to ship metrics to Prometheus.
Please see this doc: Frequently Asked Questions
Also you can find a good example of running mongod_exporter in the following blog post: https://www.percona.com/blog/2021/03/10/a-peek-at-percona-kubernetes-operator-for-percona-server-for-mongodb-new-features/
many thanks for your swift reply. I gonna investigate sidecar containers as this option is available from Helm chart values.
By the way, don’t you plan to expose the option PMM_AGENT_SETUP_METRICS_MODE=push/pull as an Helm chart value so that we could configure the way to collect metrics from pmm-client ?
I also created a JIRAbug about pmm image tag management.
Have a good day.
Hey @ORich ,
I will check internally about adding this pull/push option. I think there might be some hidden complexity.
Also with pull, how would you ensure that prometheus gets to the right endpoint?