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# go.d.plugin

`go.d.plugin` is a [Netdata](https://github.com/netdata/netdata) external plugin. It is an **orchestrator** for data
collection modules written in `go`.

1. It runs as an independent process (`ps fax` shows it).
2. It is started and stopped automatically by Netdata.
3. It communicates with Netdata via a unidirectional pipe (sending data to the Netdata daemon).
4. Supports any number of data collection [modules](https://github.com/netdata/go.d.plugin/tree/master/modules).
5. Allows each [module](https://github.com/netdata/go.d.plugin/tree/master/modules) to have any number of data
collection jobs.

## Bug reports, feature requests, and questions

Are welcome! We are using [netdata/netdata](https://github.com/netdata/netdata/) repository for bugs, feature requests,
and questions.

- [GitHub Issues](https://github.com/netdata/netdata/issues/new/choose): report bugs or open a new feature request.
- [GitHub Discussions](https://github.com/netdata/netdata/discussions): ask a question or suggest a new idea.

## Install

Go.d.plugin is shipped with Netdata.

### Required Linux capabilities

All capabilities are set automatically during Netdata installation using
the [official installation method](https://github.com/netdata/netdata/blob/master/packaging/installer/README.md#install-on-linux-with-one-line-installer).
No further action required. If you have used a different installation method and need to set the capabilities manually,
see the appropriate collector readme.

| Capability | Required by |
|:--------------------|:----------------------------------------------------------------------------------------:|
| CAP_NET_RAW | [Ping](https://github.com/netdata/go.d.plugin/tree/master/modules/ping#readme) |
| CAP_NET_ADMIN | [Wireguard](https://github.com/netdata/go.d.plugin/tree/master/modules/wireguard#readme) |
| CAP_DAC_READ_SEARCH | [Filecheck](https://github.com/netdata/go.d.plugin/tree/master/modules/filecheck#readme) |

## Available modules

| Name | Monitors |
|:----------------------------------------------------------------------------------------------------|:-----------------------------:|
| [activemq](https://github.com/netdata/go.d.plugin/tree/master/modules/activemq) | ActiveMQ |
| [apache](https://github.com/netdata/go.d.plugin/tree/master/modules/apache) | Apache |
| [bind](https://github.com/netdata/go.d.plugin/tree/master/modules/bind) | ISC Bind |
| [cassandra](https://github.com/netdata/go.d.plugin/tree/master/modules/cassandra) | Cassandra |
| [chrony](https://github.com/netdata/go.d.plugin/tree/master/modules/chrony) | Chrony |
| [cockroachdb](https://github.com/netdata/go.d.plugin/tree/master/modules/cockroachdb) | CockroachDB |
| [consul](https://github.com/netdata/go.d.plugin/tree/master/modules/consul) | Consul |
| [coredns](https://github.com/netdata/go.d.plugin/tree/master/modules/coredns) | CoreDNS |
| [couchbase](https://github.com/netdata/go.d.plugin/tree/master/modules/couchbase) | Couchbase |
| [couchdb](https://github.com/netdata/go.d.plugin/tree/master/modules/couchdb) | CouchDB |
| [dnsdist](https://github.com/netdata/go.d.plugin/tree/master/modules/dnsdist) | Dnsdist |
| [dnsmasq](https://github.com/netdata/go.d.plugin/tree/master/modules/dnsmasq) | Dnsmasq DNS Forwarder |
| [dnsmasq_dhcp](https://github.com/netdata/go.d.plugin/tree/master/modules/dnsmasq_dhcp) | Dnsmasq DHCP |
| [dns_query](https://github.com/netdata/go.d.plugin/tree/master/modules/dnsquery) | DNS Query RTT |
| [docker](https://github.com/netdata/go.d.plugin/tree/master/modules/docker) | Docker Engine |
| [docker_engine](https://github.com/netdata/go.d.plugin/tree/master/modules/docker_engine) | Docker Engine |
| [dockerhub](https://github.com/netdata/go.d.plugin/tree/master/modules/dockerhub) | Docker Hub |
| [elasticsearch](https://github.com/netdata/go.d.plugin/tree/master/modules/elasticsearch) | Elasticsearch/OpenSearch |
| [energid](https://github.com/netdata/go.d.plugin/tree/master/modules/energid) | Energi Core |
| [envoy](https://github.com/netdata/go.d.plugin/tree/master/modules/envoy) | Envoy |
| [example](https://github.com/netdata/go.d.plugin/tree/master/modules/example) | - |
| [filecheck](https://github.com/netdata/go.d.plugin/tree/master/modules/filecheck) | Files and Directories |
| [fluentd](https://github.com/netdata/go.d.plugin/tree/master/modules/fluentd) | Fluentd |
| [freeradius](https://github.com/netdata/go.d.plugin/tree/master/modules/freeradius) | FreeRADIUS |
| [haproxy](https://github.com/netdata/go.d.plugin/tree/master/modules/haproxy) | HAProxy |
| [hdfs](https://github.com/netdata/go.d.plugin/tree/master/modules/hdfs) | HDFS |
| [httpcheck](https://github.com/netdata/go.d.plugin/tree/master/modules/httpcheck) | Any HTTP Endpoint |
| [isc_dhcpd](https://github.com/netdata/go.d.plugin/tree/master/modules/isc_dhcpd) | ISC DHCP |
| [k8s_kubelet](https://github.com/netdata/go.d.plugin/tree/master/modules/k8s_kubelet) | Kubelet |
| [k8s_kubeproxy](https://github.com/netdata/go.d.plugin/tree/master/modules/k8s_kubeproxy) | Kube-proxy |
| [k8s_state](https://github.com/netdata/go.d.plugin/tree/master/modules/k8s_state) | Kubernetes cluster state |
| [lighttpd](https://github.com/netdata/go.d.plugin/tree/master/modules/lighttpd) | Lighttpd |
| [logind](https://github.com/netdata/go.d.plugin/tree/master/modules/logind) | systemd-logind |
| [logstash](https://github.com/netdata/go.d.plugin/tree/master/modules/logstash) | Logstash |
| [mongoDB](https://github.com/netdata/go.d.plugin/tree/master/modules/mongodb) | MongoDB |
| [mysql](https://github.com/netdata/go.d.plugin/tree/master/modules/mysql) | MySQL |
| [nginx](https://github.com/netdata/go.d.plugin/tree/master/modules/nginx) | NGINX |
| [nginxplus](https://github.com/netdata/go.d.plugin/tree/master/modules/nginxplus) | NGINX Plus |
| [nginxvts](https://github.com/netdata/go.d.plugin/tree/master/modules/nginxvts) | NGINX VTS |
| [ntpd](https://github.com/netdata/go.d.plugin/tree/master/modules/ntpd) | NTP daemon |
| [nvme](https://github.com/netdata/go.d.plugin/tree/master/modules/nvme) | NVMe devices |
| [openvpn](https://github.com/netdata/go.d.plugin/tree/master/modules/openvpn) | OpenVPN |
| [openvpn_status_log](https://github.com/netdata/go.d.plugin/tree/master/modules/openvpn_status_log) | OpenVPN |
| [pgbouncer](https://github.com/netdata/go.d.plugin/tree/master/modules/pgbouncer) | PgBouncer |
| [phpdaemon](https://github.com/netdata/go.d.plugin/tree/master/modules/phpdaemon) | phpDaemon |
| [phpfpm](https://github.com/netdata/go.d.plugin/tree/master/modules/phpfpm) | PHP-FPM |
| [pihole](https://github.com/netdata/go.d.plugin/tree/master/modules/pihole) | Pi-hole |
| [pika](https://github.com/netdata/go.d.plugin/tree/master/modules/pika) | Pika |
| [ping](https://github.com/netdata/go.d.plugin/tree/master/modules/ping) | Any network host |
| [prometheus](https://github.com/netdata/go.d.plugin/tree/master/modules/prometheus) | Any Prometheus Endpoint |
| [portcheck](https://github.com/netdata/go.d.plugin/tree/master/modules/portcheck) | Any TCP Endpoint |
| [postgres](https://github.com/netdata/go.d.plugin/tree/master/modules/postgres) | PostgreSQL |
| [powerdns](https://github.com/netdata/go.d.plugin/tree/master/modules/powerdns) | PowerDNS Authoritative Server |
| [powerdns_recursor](https://github.com/netdata/go.d.plugin/tree/master/modules/powerdns_recursor) | PowerDNS Recursor |
| [proxysql](https://github.com/netdata/go.d.plugin/tree/master/modules/proxysql) | ProxySQL |
| [pulsar](https://github.com/netdata/go.d.plugin/tree/master/modules/portcheck) | Apache Pulsar |
| [rabbitmq](https://github.com/netdata/go.d.plugin/tree/master/modules/rabbitmq) | RabbitMQ |
| [redis](https://github.com/netdata/go.d.plugin/tree/master/modules/redis) | Redis |
| [scaleio](https://github.com/netdata/go.d.plugin/tree/master/modules/scaleio) | Dell EMC ScaleIO |
| [SNMP](https://github.com/netdata/go.d.plugin/blob/master/modules/snmp) | SNMP |
| [solr](https://github.com/netdata/go.d.plugin/tree/master/modules/solr) | Solr |
| [squidlog](https://github.com/netdata/go.d.plugin/tree/master/modules/squidlog) | Squid |
| [springboot2](https://github.com/netdata/go.d.plugin/tree/master/modules/springboot2) | Spring Boot2 |
| [supervisord](https://github.com/netdata/go.d.plugin/tree/master/modules/supervisord) | Supervisor |
| [systemdunits](https://github.com/netdata/go.d.plugin/tree/master/modules/systemdunits) | Systemd unit state |
| [tengine](https://github.com/netdata/go.d.plugin/tree/master/modules/tengine) | Tengine |
| [traefik](https://github.com/netdata/go.d.plugin/tree/master/modules/traefik) | Traefik |
| [upsd](https://github.com/netdata/go.d.plugin/tree/master/modules/upsd) | UPSd (Nut) |
| [unbound](https://github.com/netdata/go.d.plugin/tree/master/modules/unbound) | Unbound |
| [vcsa](https://github.com/netdata/go.d.plugin/tree/master/modules/vcsa) | vCenter Server Appliance |
| [vernemq](https://github.com/netdata/go.d.plugin/tree/master/modules/vernemq) | VerneMQ |
| [vsphere](https://github.com/netdata/go.d.plugin/tree/master/modules/vsphere) | VMware vCenter Server |
| [web_log](https://github.com/netdata/go.d.plugin/tree/master/modules/weblog) | Apache/NGINX |
| [wireguard](https://github.com/netdata/go.d.plugin/tree/master/modules/wireguard) | WireGuard |
| [whoisquery](https://github.com/netdata/go.d.plugin/tree/master/modules/whoisquery) | Domain Expiry |
| [windows](https://github.com/netdata/go.d.plugin/tree/master/modules/windows) | Windows |
| [x509check](https://github.com/netdata/go.d.plugin/tree/master/modules/x509check) | Digital Certificates |
| [zookeeper](https://github.com/netdata/go.d.plugin/tree/master/modules/zookeeper) | ZooKeeper |

## Configuration

Edit the `go.d.conf` configuration file using `edit-config` from the
Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/netdata-agent/configuration.md#the-netdata-config-directory), which is typically
at `/etc/netdata`.

```bash
cd /etc/netdata # Replace this path with your Netdata config directory
sudo ./edit-config go.d.conf
```

Configurations are written in [YAML](http://yaml.org/).

- [plugin configuration](https://github.com/netdata/go.d.plugin/blob/master/config/go.d.conf)
- [specific module configuration](https://github.com/netdata/go.d.plugin/tree/master/config/go.d)

### Enable a collector

To enable a collector you should edit `go.d.conf` to uncomment the collector in question and change it from `no`
to `yes`.

For example, to enable the `example` plugin you would need to update `go.d.conf` from something like:

```yaml
modules:
# example: no
```

to

```yaml
modules:
example: yes
```
Then [restart netdata](https://github.com/netdata/netdata/blob/master/docs/configure/start-stop-restart.md) for the
change to take effect.
## Contributing
If you want to contribute to this project, we are humbled. Please take a look at
our [contributing guidelines](https://github.com/netdata/.github/blob/main/CONTRIBUTING.md) and don't hesitate to
contact us in our forums.
### How to develop a collector
Read [how to write a Netdata collector in Go](https://github.com/netdata/go.d.plugin/blob/master/docs/how-to-write-a-module.md).
## Troubleshooting
Plugin CLI:
```sh
Usage:
orchestrator [OPTIONS] [update every]

Application Options:
-m, --modules= module name to run (default: all)
-c, --config-dir= config dir to read
-w, --watch-path= config path to watch
-d, --debug debug mode
-v, --version display the version and exit

Help Options:
-h, --help Show this help message
```

To debug specific module:

```sh
# become user netdata
sudo su -s /bin/bash netdata

# run plugin in debug mode
./go.d.plugin -d -m <module name>
```

Change `<module name>` to the module name you want to debug. See the [whole list](#available-modules) of available
modules.

## Netdata Community

This repository follows the Netdata Code of Conduct and is part of the Netdata Community.

- [Community Forums](https://community.netdata.cloud)
- [Netdata Code of Conduct](https://github.com/netdata/.github/blob/main/CODE_OF_CONDUCT.md)
We've relocated our code to the [netdata/netdata](https://github.com/netdata/netdata/tree/master/src/go/) repository. Further development and updates will now take place in the new repository.

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