driver/power/aviosys9850: Add Aviosys driver

This driver implements a power port for Aviosys Power Switch 9850.

Aviosys HTTP web-interface is here https://www.aviosys.com/products/lib/httpapi.html

The command format is at http://ip:port/set.cmd?user=account+pass=password+cmd=command

Signed-off-by: Guilherme M. Ferreira <guilherme.maciel.ferreira@gmail.com>

Author: guilhermeferreira

doc/configuration.rst

@@ -155,6 +155,9 @@ Currently available are:
 ``apc``
   Controls *APU PDUs* via SNMP.
 
+``aviosys9850``
+  Controls the *AvioSys* IP Power 9850.
+
 ``digipower``
   Controls *DigiPower PDUs* via a simple HTTP API.
 

labgrid/driver/power/aviosys9850.py

@@ -0,0 +1,50 @@
+import requests
+import re
+
+from labgrid.driver.exception import ExecutionError
+
+
+# This driver implements a power port for Aviosys Power Switches.
+# Aviosys HTTP web-interface is described here https://www.aviosys.com/products/lib/httpapi.html
+# The command format is http://ip:port/set.cmd?user=account+pass=password+cmd=command
+
+# The powerdriver.py uses the 'PORT' variable => backend_port = getattr(self.backend, 'PORT', None)
+PORT = 80
+USER = "admin"
+PASS = 12345678
+NUMBER_OF_OUTLETS = 4
+
+def power_set(host, port, index, value):
+    # <!--CGI-DATABEG-->
+    # <p>
+    # p61=1</p>
+    # <!--CGI-DATAEND-->
+    index = int(index)
+    assert 1 <= index <= NUMBER_OF_OUTLETS
+    value = 1 if value else 0
+
+    r = requests.get(
+        f"http://{host}:{port}/set.cmd?user={USER}+pass={PASS}+cmd=setpower+p6{index}={value}"
+    )
+    r.raise_for_status()
+
+def power_get(host, port, index):
+    # <!--CGI-DATABEG-->
+    # <p>
+    # p61=1,p62=0,p63=0,p64=0
+    # </p>
+    # <!--CGI-DATAEND-->
+    index = int(index)
+    assert 1 <= index <= NUMBER_OF_OUTLETS
+
+    r = requests.get(
+        f"http://{host}:{port}/set.cmd?user={USER}+pass={PASS}+cmd=getpower+p6{index}=0"
+    )
+    r.raise_for_status()
+
+    data = r.text
+    matches = re.findall(r'p6(\d)=(\d)', data)
+    values = {f"p6{index}": int(value) for index, value in matches}
+
+    state = values[f"p6{index}"]
+    return bool(int(state))