Adding upstream version 1.37.1.upstream/1.37.1upstream

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

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+<!--
+title: "HP Smart Storage Arrays monitoring with Netdata"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/hpssa/README.md
+sidebar_label: "HP Smart Storage Arrays"
+-->
+
+# HP Smart Storage Arrays monitoring with Netdata
+
+Monitors controller, cache module, logical and physical drive state and temperature using `ssacli` tool.
+
+Executed commands:
+
+- `sudo -n ssacli ctrl all show config detail`
+
+## Requirements:
+
+This module uses `ssacli`, which can only be executed by root. It uses
+`sudo` and assumes that it is configured such that the `netdata` user can execute `ssacli` as root without a password.
+
+- Add to your `/etc/sudoers` file:
+
+`which ssacli` shows the full path to the binary.
+
+```bash
+netdata ALL=(root)       NOPASSWD: /path/to/ssacli
+```
+
+- 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 `ssacli` 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
+```
+
+## Charts
+
+- Controller status
+- Controller temperature
+- Logical drive status
+- Physical drive status
+- Physical drive temperature
+
+## Enable the collector
+
+The `hpssa` collector is disabled by default. To enable it, use `edit-config` from the
+Netdata [config directory](/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 `hpssa` setting to `yes`. Save the file and restart the Netdata Agent with `sudo systemctl
+restart netdata`, or the [appropriate method](/docs/configure/start-stop-restart.md) for your system.
+
+## Configuration
+
+Edit the `python.d/hpssa.conf` configuration file using `edit-config` from the
+Netdata [config directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d/hpssa.conf
+```
+
+If `ssacli` cannot be found in the `PATH`, configure it in `hpssa.conf`.
+
+```yaml
+ssacli_path: /usr/sbin/ssacli
+```
+
+Save the file and restart the Netdata Agent with `sudo systemctl restart netdata`, or the [appropriate
+method](/docs/configure/start-stop-restart.md) for your system.
+