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164 lines
7.8 KiB
Markdown
164 lines
7.8 KiB
Markdown
# Docker compose environment for VictoriaMetrics
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Docker compose environment for VictoriaMetrics includes VictoriaMetrics components,
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[Alertmanager](https://prometheus.io/docs/alerting/latest/alertmanager/)
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and [Grafana](https://grafana.com/).
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For starting the docker-compose environment ensure you have docker installed and running and access to the Internet.
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**All commands should be executed from the root directory of [the repo](https://github.com/VictoriaMetrics/VictoriaMetrics).**
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To spin-up environment with VictoriaMetrics components run one of the following commands:
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```
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make docker-single-up # start single server VictoriaMetrics
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or
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make docker-cluster-up # start cluster VictoriaMetrics
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```
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To shut down the docker-compose environment run one the following commands:
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```
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make docker-single-down # shutdown single server VictoriaMetrics
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or
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make docker-cluster-down # shutdown cluster VictoriaMetrics
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```
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Optionally, environment with [VictoriaMetrics Grafana datasource](https://github.com/VictoriaMetrics/grafana-datasource)
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can be started with the following commands:
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```
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make docker-single-vm-datasource-up # start single server
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make docker-single-vm-datasource-down # shut down single server
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make docker-cluster-vm-datasource-up # start cluster
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make docker-cluster-vm-datasource-down # shutdown cluster
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```
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## VictoriaMetrics single server
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VictoriaMetrics will be accessible on the following ports:
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* `--graphiteListenAddr=:2003`
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* `--opentsdbListenAddr=:4242`
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* `--httpListenAddr=:8428`
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The communication scheme between components is the following:
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* [vmagent](#vmagent) sends scraped metrics to `single server VictoriaMetrics`;
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* [grafana](#grafana) is configured with datasource pointing to `single server VictoriaMetrics`;
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* [vmalert](#vmalert) is configured to query `single server VictoriaMetrics` and send alerts state
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and recording rules back to it;
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* [alertmanager](#alertmanager) is configured to receive notifications from `vmalert`.
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To access Grafana use link [http://localhost:3000](http://localhost:3000).
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To access [vmui](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#vmui)
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use link [http://localhost:8428/vmui](http://localhost:8428/vmui).
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To access `vmalert` use link [http://localhost:8428/vmalert](http://localhost:8428/vmalert/).
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## VictoriaMetrics cluster
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VictoriaMetrics cluster environment consists of `vminsert`, `vmstorage` and `vmselect` components.
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`vminsert` has exposed port `:8480`, access to `vmselect` components goes through `vmauth` on port `:8427`,
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and the rest of components are available only inside the environment.
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The communication scheme between components is the following:
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* [vmagent](#vmagent) sends scraped metrics to `vminsert`;
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* `vminsert` forwards data to `vmstorage`;
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* `vmselect`s are connected to `vmstorage` for querying data;
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* [vmauth](#vmauth) balances incoming read requests among `vmselect`s;
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* [grafana](#grafana) is configured with datasource pointing to `vmauth`;
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* [vmalert](#vmalert) is configured to query `vmselect`s via `vmauth` and send alerts state
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and recording rules to `vminsert`;
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* [alertmanager](#alertmanager) is configured to receive notifications from `vmalert`.
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To access Grafana use link [http://localhost:3000](http://localhost:3000).
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To access [vmui](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#vmui)
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use link [http://localhost:8427/select/0/prometheus/vmui/](http://localhost:8427/select/0/prometheus/vmui/).
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To access `vmalert` use link [http://localhost:8427/select/0/prometheus/vmalert/](http://localhost:8427/select/0/prometheus/vmalert/).
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## vmagent
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vmagent is used for scraping and pushing time series to VictoriaMetrics instance.
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It accepts Prometheus-compatible configuration [prometheus.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/prometheus.yml)
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with listed targets for scraping.
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[Web interface link](http://localhost:8429/).
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## vmauth
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[vmauth](https://docs.victoriametrics.com/vmauth.html) acts as a [balancer](https://docs.victoriametrics.com/vmauth.html#load-balancing)
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to spread the load across `vmselect`'s. [Grafana](#grafana) and [vmalert](#vmalert) use vmauth for read queries.
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vmauth config is available [here](ttps://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/auth-cluster.yml)
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## vmalert
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vmalert evaluates alerting rules [alerts.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts.yml)
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to track VictoriaMetrics health state. It is connected with AlertManager for firing alerts,
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and with VictoriaMetrics for executing queries and storing alert's state.
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[Web interface link](http://localhost:8880/).
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## alertmanager
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AlertManager accepts notifications from `vmalert` and fires alerts.
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All notifications are blackholed according to [alertmanager.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alertmanager.yml) config.
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[Web interface link](http://localhost:9093/).
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## Grafana
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To access service open following [link](http://localhost:3000).
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Default credential:
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* login - `admin`
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* password - `admin`
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Grafana is provisioned by default with following entities:
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* `VictoriaMetrics` datasource
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* `VictoriaMetrics - cluster` datasource
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* `VictoriaMetrics overview` dashboard
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* `VictoriaMetrics - cluster` dashboard
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* `VictoriaMetrics - vmagent` dashboard
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* `VictoriaMetrics - vmalert` dashboard
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Remember to pick `VictoriaMetrics - cluster` datasource when viewing `VictoriaMetrics - cluster` dashboard.
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If environment was started via `docker-single-vm-datasource-up` or `docker-cluster-vm-datasource-up`, then
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Grafana will have [VictoriaMetrics Grafana datasource](https://github.com/VictoriaMetrics/grafana-datasource)
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installed by default.
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## Alerts
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See below a list of recommended alerting rules for various VictoriaMetrics components for running in production.
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Some of the alerting rules thresholds are just recommendations and could require an adjustment. The list
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of alerting rules is the following:
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* [alerts-health.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts-health.yml):
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alerting rules related to all VictoriaMetrics components for tracking their "health" state;
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* [alerts.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts.yml):
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alerting rules related to [single-server VictoriaMetrics](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html) installation;
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* [alerts-cluster.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts-cluster.yml):
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alerting rules related to [cluster version of VictoriaMetrics](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html);
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* [alerts-vmagent.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts-vmagent.yml):
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alerting rules related to [vmagent](https://docs.victoriametrics.com/vmagent.html) component;
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* [alerts-vmalert.yml](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts-vmalert.yml):
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alerting rules related to [vmalert](https://docs.victoriametrics.com/vmalert.html) component;
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Please, also see [how to monitor](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#monitoring)
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VictoriaMetrics installations.
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## VictoriaLogs server
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VictoriaLogs will be accessible on the following port: `--httpListenAddr=:9428`
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[Fluent Bit](https://docs.fluentbit.io/manual) is used to send logs to VictoriaLogs instance.
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Fluent Bit is configured to send logs from running containers to VictoriaLogs instance.
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Additionally, it is configured to listen for syslog logs on port `5140` and send them to VictoriaLogs instance.
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To access VictoriaLogs UI use link [http://localhost:9428/select/vmui/](http://localhost:9428/select/vmui/).
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Please, also see [how to monitor](https://docs.victoriametrics.com/VictoriaLogs/#monitoring)
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VictoriaLogs installations.
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