[rqd] Add new config option RQD_USE_PATH_ENV_VAR. (#1241)

Author: romainf-ubi

rqd/rqd/__main__.py

@@ -28,7 +28,7 @@
 
 Optional configuration file:
 ----------------------------
-in /etc/rqd3/rqd3.conf:
+In /etc/opencue/rqd.conf (on Linux) or %LOCALAPPDATA%/OpenCue/rqd.conf (on Windows):
 [Override]
 OVERRIDE_CORES = 2
 OVERRIDE_PROCS = 3
@@ -89,14 +89,17 @@ def setupLogging():
 
 def usage():
     """Prints command line syntax"""
-    s = sys.stderr
-    print("SYNOPSIS", file=s)
-    print("  ", sys.argv[0], "[options]\n", file=s)
-    print("  -d | --daemon          => Run as daemon", file=s)
-    print("       --nimbyoff        => Disables nimby activation", file=s)
-    print("  -c                     => Provide an alternate config file", file=s)
-    print("                            Defaults to /etc/rqd3/rqd3.conf", file=s)
-    print("                            Config file is optional", file=s)
+    usage_msg = f"""SYNOPSIS
+  {sys.argv[0]} [options]
+
+  -d | --daemon          => Run as daemon
+       --nimbyoff        => Disables nimby activation
+  -c                     => Provide an alternate config file
+                            On Linux: defaults to /etc/opencue/rqd.conf
+                            On Windows: Defaults to %LOCALAPPDATA%/OpenCue/rqd.conf
+                            Config file is optional
+"""
+    print(usage_msg, file=sys.stderr)
 
 
 def main():

rqd/rqd/rqconstants.py

@@ -66,6 +66,10 @@
 RQD_RETRY_CRITICAL_REPORT_DELAY = 30
 RQD_USE_IP_AS_HOSTNAME = True
 RQD_USE_IPV6_AS_HOSTNAME = False
+
+# Use the PATH environment variable from the RQD host.
+RQD_USE_PATH_ENV_VAR = False
+
 RQD_BECOME_JOB_USER = True
 RQD_CREATE_USER_IF_NOT_EXISTS = True
 RQD_TAGS = ''
@@ -111,7 +115,7 @@
     SYS_HERTZ = os.sysconf('SC_CLK_TCK')
 
 if platform.system() == 'Windows':
-    CONFIG_FILE = os.path.expandvars('$LOCALAPPDATA/OpenCue/rqd.conf')
+    CONFIG_FILE = os.path.expandvars('%LOCALAPPDATA%/OpenCue/rqd.conf')
 else:
     CONFIG_FILE = '/etc/opencue/rqd.conf'
 
@@ -177,6 +181,8 @@
             RQD_USE_IP_AS_HOSTNAME = config.getboolean(__section, "RQD_USE_IP_AS_HOSTNAME")
         if config.has_option(__section, "RQD_USE_IPV6_AS_HOSTNAME"):
             RQD_USE_IPV6_AS_HOSTNAME = config.getboolean(__section, "RQD_USE_IPV6_AS_HOSTNAME")
+        if config.has_option(__section, "RQD_USE_PATH_ENV_VAR"):
+            RQD_USE_PATH_ENV_VAR = config.getboolean(__section, "RQD_USE_PATH_ENV_VAR")
         if config.has_option(__section, "RQD_BECOME_JOB_USER"):
             RQD_BECOME_JOB_USER = config.getboolean(__section, "RQD_BECOME_JOB_USER")
         if config.has_option(__section, "RQD_TAGS"):

rqd/rqd/rqmachine.py

@@ -507,6 +507,8 @@ def getHostname(self):
     @rqd.rqutil.Memoize
     def getPathEnv(self):
         """Returns the correct path environment for the given machine"""
+        if rqd.rqconstants.RQD_USE_PATH_ENV_VAR:
+            return os.getenv('PATH')
         if platform.system() == 'Linux':
             return '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
         if platform.system() == 'Windows':