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diff --git a/collectors/python.d.plugin/samba/integrations/samba.md b/collectors/python.d.plugin/samba/integrations/samba.md new file mode 100644 index 00000000..1bd1664e --- /dev/null +++ b/collectors/python.d.plugin/samba/integrations/samba.md @@ -0,0 +1,221 @@ +<!--startmeta +custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/samba/README.md" +meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/samba/metadata.yaml" +sidebar_label: "Samba" +learn_status: "Published" +learn_rel_path: "Data Collection/Storage, Mount Points and Filesystems" +most_popular: False +message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE" +endmeta--> + +# Samba + + +<img src="https://netdata.cloud/img/samba.svg" width="150"/> + + +Plugin: python.d.plugin +Module: samba + +<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" /> + +## Overview + +This collector monitors the performance metrics of Samba file sharing. + +It is using the `smbstatus` command-line tool. + +Executed commands: + +- `sudo -n smbstatus -P` + + +This collector is supported on all platforms. + +This collector only supports collecting metrics from a single instance of this integration. + +`smbstatus` is used, which can only be executed by `root`. It uses `sudo` and assumes that it is configured such that the `netdata` user can execute `smbstatus` as root without a password. + + +### Default Behavior + +#### Auto-Detection + +After all the permissions are satisfied, the `smbstatus -P` binary is executed. + +#### Limits + +The default configuration for this integration does not impose any limits on data collection. + +#### Performance Impact + +The default configuration for this integration is not expected to impose a significant performance impact on the system. + + +## Metrics + +Metrics grouped by *scope*. + +The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels. + + + +### Per Samba instance + +These metrics refer to the entire monitored application. + +This scope has no labels. + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| syscall.rw | sendfile, recvfile | KiB/s | +| smb2.rw | readout, writein, readin, writeout | KiB/s | +| smb2.create_close | create, close | operations/s | +| smb2.get_set_info | getinfo, setinfo | operations/s | +| smb2.find | find | operations/s | +| smb2.notify | notify | operations/s | +| smb2.sm_counters | tcon, negprot, tdis, cancel, logoff, flush, lock, keepalive, break, sessetup | count | + + + +## Alerts + +There are no alerts configured by default for this integration. + + +## Setup + +### Prerequisites + +#### Enable the samba collector + +The `samba` collector is disabled by default. To enable it, use `edit-config` from the Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `python.d.conf` file. + +```bash +cd /etc/netdata # Replace this path with your Netdata config directory, if different +sudo ./edit-config python.d.conf +``` +Change the value of the `samba` setting to `yes`. Save the file and restart the Netdata Agent with `sudo systemctl restart netdata`, or the [appropriate method](https://github.com/netdata/netdata/blob/master/docs/configure/start-stop-restart.md) for your system. + + +#### Permissions and programs + +To run the collector you need: + +- `smbstatus` program +- `sudo` program +- `smbd` must be compiled with profiling enabled +- `smbd` must be started either with the `-P 1` option or inside `smb.conf` using `smbd profiling level` + +The module uses `smbstatus`, which can only be executed by `root`. It uses `sudo` and assumes that it is configured such that the `netdata` user can execute `smbstatus` as root without a password. + +- add to your `/etc/sudoers` file: + + `which smbstatus` shows the full path to the binary. + + ```bash + netdata ALL=(root) NOPASSWD: /path/to/smbstatus + ``` + +- Reset Netdata's systemd unit [CapabilityBoundingSet](https://www.freedesktop.org/software/systemd/man/systemd.exec.html#Capabilities) (Linux distributions with systemd) + + The default CapabilityBoundingSet doesn't allow using `sudo`, and is quite strict in general. Resetting is not optimal, but a next-best solution given the inability to execute `smbstatus` using `sudo`. + + + As the `root` user, do the following: + + ```cmd + mkdir /etc/systemd/system/netdata.service.d + echo -e '[Service]\nCapabilityBoundingSet=~' | tee /etc/systemd/system/netdata.service.d/unset-capability-bounding-set.conf + systemctl daemon-reload + systemctl restart netdata.service + ``` + + + +### Configuration + +#### File + +The configuration file name for this integration is `python.d/samba.conf`. + + +You can edit the configuration file using the `edit-config` script from the +Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md#the-netdata-config-directory). + +```bash +cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata +sudo ./edit-config python.d/samba.conf +``` +#### Options + +There are 2 sections: + +* Global variables +* One or more JOBS that can define multiple different instances to monitor. + +The following options can be defined globally: priority, penalty, autodetection_retry, update_every, but can also be defined per JOB to override the global values. + +Additionally, the following collapsed table contains all the options that can be configured inside a JOB definition. + +Every configuration JOB starts with a `job_name` value which will appear in the dashboard, unless a `name` parameter is specified. + + +<details><summary>Config options</summary> + +| Name | Description | Default | Required | +|:----|:-----------|:-------|:--------:| +| update_every | Sets the default data collection frequency. | 5 | no | +| priority | Controls the order of charts at the netdata dashboard. | 60000 | no | +| autodetection_retry | Sets the job re-check interval in seconds. | 0 | no | +| penalty | Indicates whether to apply penalty to update_every in case of failures. | yes | no | + +</details> + +#### Examples + +##### Basic + +A basic example configuration. + +<details><summary>Config</summary> + +```yaml +my_job_name: + name: my_name + update_every: 1 + +``` +</details> + + + +## Troubleshooting + +### Debug Mode + +To troubleshoot issues with the `samba` collector, run the `python.d.plugin` with the debug option enabled. The output +should give you clues as to why the collector isn't working. + +- Navigate to the `plugins.d` directory, usually at `/usr/libexec/netdata/plugins.d/`. If that's not the case on + your system, open `netdata.conf` and look for the `plugins` setting under `[directories]`. + + ```bash + cd /usr/libexec/netdata/plugins.d/ + ``` + +- Switch to the `netdata` user. + + ```bash + sudo -u netdata -s + ``` + +- Run the `python.d.plugin` to debug the collector: + + ```bash + ./python.d.plugin samba debug trace + ``` + + |