Adding upstream version 1.44.3.upstream/1.44.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+<!--startmeta
+custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/charts.d.plugin/opensips/README.md"
+meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/charts.d.plugin/opensips/metadata.yaml"
+sidebar_label: "OpenSIPS"
+learn_status: "Published"
+learn_rel_path: "Data Collection/Telephony Servers"
+most_popular: False
+message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE"
+endmeta-->
+
+# OpenSIPS
+
+
+<img src="https://netdata.cloud/img/opensips.png" width="150"/>
+
+
+Plugin: charts.d.plugin
+Module: opensips
+
+<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
+
+## Overview
+
+Examine OpenSIPS metrics for insights into SIP server operations. Study call rates, error rates, and response times for reliable voice over IP services.
+
+The collector uses the `opensipsctl` command line utility to gather OpenSIPS metrics.
+
+This collector is supported on all platforms.
+
+This collector supports collecting metrics from multiple instances of this integration, including remote instances.
+
+
+### Default Behavior
+
+#### Auto-Detection
+
+The collector will attempt to call `opensipsctl` along with a default number of parameters, even without any configuration.
+
+#### 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 OpenSIPS instance
+
+These metrics refer to the entire monitored application.
+
+This scope has no labels.
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| opensips.dialogs_active | active, early | dialogs |
+| opensips.users | registered, location, contacts, expires | users |
+| opensips.registrar | accepted, rejected | registrations/s |
+| opensips.transactions | UAS, UAC | transactions/s |
+| opensips.core_rcv | requests, replies | queries/s |
+| opensips.core_fwd | requests, replies | queries/s |
+| opensips.core_drop | requests, replies | queries/s |
+| opensips.core_err | requests, replies | queries/s |
+| opensips.core_bad | bad_URIs_rcvd, unsupported_methods, bad_msg_hdr | queries/s |
+| opensips.tm_replies | received, relayed, local | replies/s |
+| opensips.transactions_status | 2xx, 3xx, 4xx, 5xx, 6xx | transactions/s |
+| opensips.transactions_inuse | inuse | transactions |
+| opensips.sl_replies | 1xx, 2xx, 3xx, 4xx, 5xx, 6xx, sent, error, ACKed | replies/s |
+| opensips.dialogs | processed, expire, failed | dialogs/s |
+| opensips.net_waiting | UDP, TCP | kilobytes |
+| opensips.uri_checks | positive, negative | checks / sec |
+| opensips.traces | requests, replies | traces / sec |
+| opensips.shmem | total, used, real_used, max_used, free | kilobytes |
+| opensips.shmem_fragment | fragments | fragments |
+
+
+
+## Alerts
+
+There are no alerts configured by default for this integration.
+
+
+## Setup
+
+### Prerequisites
+
+#### Install charts.d plugin
+
+If [using our official native DEB/RPM packages](https://github.com/netdata/netdata/blob/master/packaging/installer/UPDATE.md#determine-which-installation-method-you-used), make sure `netdata-plugin-chartsd` is installed.
+
+
+#### Required software
+
+The collector requires the `opensipsctl` to be installed.
+
+
+### Configuration
+
+#### File
+
+The configuration file name for this integration is `charts.d/opensips.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 charts.d/opensips.conf
+```
+#### Options
+
+The config file is sourced by the charts.d plugin. It's a standard bash file.
+
+The following collapsed table contains all the options that can be configured for the opensips collector.
+
+
+<details><summary>Config options</summary>
+
+| Name | Description | Default | Required |
+|:----|:-----------|:-------|:--------:|
+| opensips_opts | Specify parameters to the `opensipsctl` command. If the default value fails to get global status, set here whatever options are needed to connect to the opensips server. | fifo get_statistics all | no |
+| opensips_cmd | If `opensipsctl` is not in $PATH, specify it's full path here. |  | no |
+| opensips_timeout | How long to wait for `opensipsctl` to respond. | 2 | no |
+| opensips_update_every | The data collection frequency. If unset, will inherit the netdata update frequency. | 5 | no |
+| opensips_priority | The charts priority on the dashboard. | 80000 | no |
+| opensips_retries | The number of retries to do in case of failure before disabling the collector. | 10 | no |
+
+</details>
+
+#### Examples
+
+##### Custom `opensipsctl` command
+
+Set a custom path to the `opensipsctl` command
+
+```yaml
+#opensips_opts="fifo get_statistics all"
+opensips_cmd=/opt/opensips/bin/opensipsctl
+#opensips_timeout=2
+
+# the data collection frequency
+# if unset, will inherit the netdata update frequency
+#opensips_update_every=5
+
+# the charts priority on the dashboard
+#opensips_priority=80000
+
+# the number of retries to do in case of failure
+# before disabling the module
+#opensips_retries=10
+
+```
+
+
+## Troubleshooting
+
+### Debug Mode
+
+To troubleshoot issues with the `opensips` collector, run the `charts.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 `charts.d.plugin` to debug the collector:
+
+  ```bash
+  ./charts.d.plugin debug 1 opensips
+  ```
+
+