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Diffstat (limited to 'src/collectors/python.d.plugin/samba')
| l--------- | src/collectors/python.d.plugin/samba/README.md | 1 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/samba/integrations/samba.md | 221 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/samba/metadata.yaml | 205 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/samba/samba.chart.py | 144 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/samba/samba.conf | 60 |
5 files changed, 631 insertions, 0 deletions
diff --git a/src/collectors/python.d.plugin/samba/README.md b/src/collectors/python.d.plugin/samba/README.md new file mode 120000 index 000000000..3b63bbab6 --- /dev/null +++ b/src/collectors/python.d.plugin/samba/README.md @@ -0,0 +1 @@ +integrations/samba.md
\ No newline at end of file diff --git a/src/collectors/python.d.plugin/samba/integrations/samba.md b/src/collectors/python.d.plugin/samba/integrations/samba.md new file mode 100644 index 000000000..e34dd03e3 --- /dev/null +++ b/src/collectors/python.d.plugin/samba/integrations/samba.md @@ -0,0 +1,221 @@ +<!--startmeta +custom_edit_url: "https://github.com/netdata/netdata/edit/master/src/collectors/python.d.plugin/samba/README.md" +meta_yaml: "https://github.com/netdata/netdata/edit/master/src/collectors/python.d.plugin/samba/metadata.yaml" +sidebar_label: "Samba" +learn_status: "Published" +learn_rel_path: "Collecting Metrics/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/netdata-agent/configuration.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/packaging/installer/README.md#maintaining-a-netdata-agent-installation) 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/netdata-agent/configuration.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 + ``` + + diff --git a/src/collectors/python.d.plugin/samba/metadata.yaml b/src/collectors/python.d.plugin/samba/metadata.yaml new file mode 100644 index 000000000..f38fdfd36 --- /dev/null +++ b/src/collectors/python.d.plugin/samba/metadata.yaml @@ -0,0 +1,205 @@ +plugin_name: python.d.plugin +modules: + - meta: + plugin_name: python.d.plugin + module_name: samba + monitored_instance: + name: Samba + link: https://www.samba.org/samba/ + categories: + - data-collection.storage-mount-points-and-filesystems + icon_filename: "samba.svg" + related_resources: + integrations: + list: [] + info_provided_to_referring_integrations: + description: "" + keywords: + - samba + - file sharing + most_popular: false + overview: + data_collection: + metrics_description: "This collector monitors the performance metrics of Samba file sharing." + method_description: | + It is using the `smbstatus` command-line tool. + + Executed commands: + + - `sudo -n smbstatus -P` + supported_platforms: + include: [] + exclude: [] + multi_instance: false + additional_permissions: + description: | + `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: + description: "After all the permissions are satisfied, the `smbstatus -P` binary is executed." + limits: + description: "" + performance_impact: + description: "" + setup: + prerequisites: + list: + - title: Enable the samba collector + description: | + 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/netdata-agent/configuration.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/packaging/installer/README.md#maintaining-a-netdata-agent-installation) for your system. + - title: Permissions and programs + description: | + 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: + name: python.d/samba.conf + options: + description: | + 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. + folding: + title: "Config options" + enabled: true + list: + - name: update_every + description: Sets the default data collection frequency. + default_value: 5 + required: false + - name: priority + description: Controls the order of charts at the netdata dashboard. + default_value: 60000 + required: false + - name: autodetection_retry + description: Sets the job re-check interval in seconds. + default_value: 0 + required: false + - name: penalty + description: Indicates whether to apply penalty to update_every in case of failures. + default_value: yes + required: false + examples: + folding: + enabled: true + title: "Config" + list: + - name: Basic + description: A basic example configuration. + config: | + my_job_name: + name: my_name + update_every: 1 + troubleshooting: + problems: + list: [] + alerts: [] + metrics: + folding: + title: Metrics + enabled: false + description: "" + availability: [] + scopes: + - name: global + description: "These metrics refer to the entire monitored application." + labels: [] + metrics: + - name: syscall.rw + description: R/Ws + unit: "KiB/s" + chart_type: area + dimensions: + - name: sendfile + - name: recvfile + - name: smb2.rw + description: R/Ws + unit: "KiB/s" + chart_type: area + dimensions: + - name: readout + - name: writein + - name: readin + - name: writeout + - name: smb2.create_close + description: Create/Close + unit: "operations/s" + chart_type: line + dimensions: + - name: create + - name: close + - name: smb2.get_set_info + description: Info + unit: "operations/s" + chart_type: line + dimensions: + - name: getinfo + - name: setinfo + - name: smb2.find + description: Find + unit: "operations/s" + chart_type: line + dimensions: + - name: find + - name: smb2.notify + description: Notify + unit: "operations/s" + chart_type: line + dimensions: + - name: notify + - name: smb2.sm_counters + description: Lesser Ops + unit: "count" + chart_type: stacked + dimensions: + - name: tcon + - name: negprot + - name: tdis + - name: cancel + - name: logoff + - name: flush + - name: lock + - name: keepalive + - name: break + - name: sessetup diff --git a/src/collectors/python.d.plugin/samba/samba.chart.py b/src/collectors/python.d.plugin/samba/samba.chart.py new file mode 100644 index 000000000..8eebcd60c --- /dev/null +++ b/src/collectors/python.d.plugin/samba/samba.chart.py @@ -0,0 +1,144 @@ +# -*- coding: utf-8 -*- +# Description: samba netdata python.d module +# Author: Christopher Cox <chris_cox@endlessnow.com> +# SPDX-License-Identifier: GPL-3.0-or-later +# +# The netdata user needs to be able to be able to sudo the smbstatus program +# without password: +# netdata ALL=(ALL) NOPASSWD: /usr/bin/smbstatus -P +# +# This makes calls to smbstatus -P +# +# This just looks at a couple of values out of syscall, and some from smb2. +# +# The Lesser Ops chart is merely a display of current counter values. They +# didn't seem to change much to me. However, if you notice something changing +# a lot there, bring one or more out into its own chart and make it incremental +# (like find and notify... good examples). + +import re +import os + +from bases.FrameworkServices.ExecutableService import ExecutableService +from bases.collection import find_binary + +disabled_by_default = True + +update_every = 5 + +ORDER = [ + 'syscall_rw', + 'smb2_rw', + 'smb2_create_close', + 'smb2_info', + 'smb2_find', + 'smb2_notify', + 'smb2_sm_count' +] + +CHARTS = { + 'syscall_rw': { + 'options': [None, 'R/Ws', 'KiB/s', 'syscall', 'syscall.rw', 'area'], + 'lines': [ + ['syscall_sendfile_bytes', 'sendfile', 'incremental', 1, 1024], + ['syscall_recvfile_bytes', 'recvfile', 'incremental', -1, 1024] + ] + }, + 'smb2_rw': { + 'options': [None, 'R/Ws', 'KiB/s', 'smb2', 'smb2.rw', 'area'], + 'lines': [ + ['smb2_read_outbytes', 'readout', 'incremental', 1, 1024], + ['smb2_write_inbytes', 'writein', 'incremental', -1, 1024], + ['smb2_read_inbytes', 'readin', 'incremental', 1, 1024], + ['smb2_write_outbytes', 'writeout', 'incremental', -1, 1024] + ] + }, + 'smb2_create_close': { + 'options': [None, 'Create/Close', 'operations/s', 'smb2', 'smb2.create_close', 'line'], + 'lines': [ + ['smb2_create_count', 'create', 'incremental', 1, 1], + ['smb2_close_count', 'close', 'incremental', -1, 1] + ] + }, + 'smb2_info': { + 'options': [None, 'Info', 'operations/s', 'smb2', 'smb2.get_set_info', 'line'], + 'lines': [ + ['smb2_getinfo_count', 'getinfo', 'incremental', 1, 1], + ['smb2_setinfo_count', 'setinfo', 'incremental', -1, 1] + ] + }, + 'smb2_find': { + 'options': [None, 'Find', 'operations/s', 'smb2', 'smb2.find', 'line'], + 'lines': [ + ['smb2_find_count', 'find', 'incremental', 1, 1] + ] + }, + 'smb2_notify': { + 'options': [None, 'Notify', 'operations/s', 'smb2', 'smb2.notify', 'line'], + 'lines': [ + ['smb2_notify_count', 'notify', 'incremental', 1, 1] + ] + }, + 'smb2_sm_count': { + 'options': [None, 'Lesser Ops', 'count', 'smb2', 'smb2.sm_counters', 'stacked'], + 'lines': [ + ['smb2_tcon_count', 'tcon', 'absolute', 1, 1], + ['smb2_negprot_count', 'negprot', 'absolute', 1, 1], + ['smb2_tdis_count', 'tdis', 'absolute', 1, 1], + ['smb2_cancel_count', 'cancel', 'absolute', 1, 1], + ['smb2_logoff_count', 'logoff', 'absolute', 1, 1], + ['smb2_flush_count', 'flush', 'absolute', 1, 1], + ['smb2_lock_count', 'lock', 'absolute', 1, 1], + ['smb2_keepalive_count', 'keepalive', 'absolute', 1, 1], + ['smb2_break_count', 'break', 'absolute', 1, 1], + ['smb2_sessetup_count', 'sessetup', 'absolute', 1, 1] + ] + } +} + +SUDO = 'sudo' +SMBSTATUS = 'smbstatus' + + +class Service(ExecutableService): + def __init__(self, configuration=None, name=None): + ExecutableService.__init__(self, configuration=configuration, name=name) + self.order = ORDER + self.definitions = CHARTS + self.rgx_smb2 = re.compile(r'(smb2_[^:]+|syscall_.*file_bytes):\s+(\d+)') + + def check(self): + smbstatus_binary = find_binary(SMBSTATUS) + if not smbstatus_binary: + self.error("can't locate '{0}' binary".format(SMBSTATUS)) + return False + + if os.getuid() == 0: + self.command = ' '.join([smbstatus_binary, '-P']) + return ExecutableService.check(self) + + sudo_binary = find_binary(SUDO) + if not sudo_binary: + self.error("can't locate '{0}' binary".format(SUDO)) + return False + command = [sudo_binary, '-n', '-l', smbstatus_binary, '-P'] + smbstatus = '{0} -P'.format(smbstatus_binary) + allowed = self._get_raw_data(command=command) + if not (allowed and allowed[0].strip() == smbstatus): + self.error("not allowed to run sudo for command '{0}'".format(smbstatus)) + return False + self.command = ' '.join([sudo_binary, '-n', smbstatus_binary, '-P']) + return ExecutableService.check(self) + + def _get_data(self): + """ + Format data received from shell command + :return: dict + """ + raw_data = self._get_raw_data() + if not raw_data: + return None + + parsed = self.rgx_smb2.findall(' '.join(raw_data)) + + return dict(parsed) or None diff --git a/src/collectors/python.d.plugin/samba/samba.conf b/src/collectors/python.d.plugin/samba/samba.conf new file mode 100644 index 000000000..db15d4e9e --- /dev/null +++ b/src/collectors/python.d.plugin/samba/samba.conf @@ -0,0 +1,60 @@ +# netdata python.d.plugin configuration for samba +# +# This file is in YaML format. Generally the format is: +# +# name: value +# +# There are 2 sections: +# - global variables +# - one or more JOBS +# +# JOBS allow you to collect values from multiple sources. +# Each source will have its own set of charts. +# +# JOB parameters have to be indented (using spaces only, example below). + +# ---------------------------------------------------------------------- +# Global Variables +# These variables set the defaults for all JOBs, however each JOB +# may define its own, overriding the defaults. + +# update_every sets the default data collection frequency. +# If unset, the python.d.plugin default is used. +update_every: 5 + +# priority controls the order of charts at the netdata dashboard. +# Lower numbers move the charts towards the top of the page. +# If unset, the default for python.d.plugin is used. +# priority: 60000 + +# penalty indicates whether to apply penalty to update_every in case of failures. +# Penalty will increase every 5 failed updates in a row. Maximum penalty is 10 minutes. +# penalty: yes + +# autodetection_retry sets the job re-check interval in seconds. +# The job is not deleted if check fails. +# Attempts to start the job are made once every autodetection_retry. +# This feature is disabled by default. +# autodetection_retry: 0 + +# ---------------------------------------------------------------------- +# JOBS (data collection sources) +# +# The default JOBS share the same *name*. JOBS with the same name +# are mutually exclusive. Only one of them will be allowed running at +# any time. This allows autodetection to try several alternatives and +# pick the one that works. +# +# Any number of jobs is supported. +# +# All python.d.plugin JOBS (for all its modules) support a set of +# predefined parameters. These are: +# +# job_name: +# name: myname # the JOB's name as it will appear at the +# # dashboard (by default is the job_name) +# # JOBs sharing a name are mutually exclusive +# update_every: 1 # the JOB's data collection frequency +# priority: 60000 # the JOB's order on the dashboard +# penalty: yes # the JOB's penalty +# autodetection_retry: 0 # the JOB's re-check interval in seconds
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