Validating that DNS can resolve hostname to IP in LinuxNode

[nepi.git] / src / nepi / resources / linux / node.py

diff --git a/src/nepi/resources/linux/node.py b/src/nepi/resources/linux/node.py
index 72af978..7873b97 100644 (file)
--- a/src/nepi/resources/linux/node.py
+++ b/src/nepi/resources/linux/node.py
@@ -367,10 +367,14 @@ class LinuxNode(ResourceManager):
 
         self.mkdir(paths)
 
-        # Get Public IP address
+        # Get Public IP address if possible
         if not self.get("ip"):
             if self.localhost:
-                ip = socket.gethostbyname(socket.gethostname())
+                try:
+                   ip = socket.gethostbyname(socket.gethostname())
+                except:
+                    msg = "DNS can not resolve hostname %s" % self.get("hostname") 
+                    self.debug(msg)
             else:
                 ip = socket.gethostbyname(self.get("hostname"))
 
@@ -553,7 +557,8 @@ class LinuxNode(ResourceManager):
             stdout = 'stdout', 
             stderr = 'stderr', 
             sudo = False,
-            tty = False):
+            tty = False,
+            strict_host_checking = False):
         
         self.debug("Running command '%s'" % command)
         
@@ -584,7 +589,8 @@ class LinuxNode(ResourceManager):
                     agent = True,
                     identity = self.get("identity"),
                     server_key = self.get("serverKey"),
-                    tty = tty
+                    tty = tty,
+                    strict_host_checking = strict_host_checking
                     )
 
         return (out, err), proc
@@ -603,7 +609,8 @@ class LinuxNode(ResourceManager):
                     gw = self.get("gateway"),
                     agent = True,
                     identity = self.get("identity"),
-                    server_key = self.get("serverKey")
+                    server_key = self.get("serverKey"),
+                    strict_host_checking = False
                     )
         
         return pidtuple
@@ -622,7 +629,8 @@ class LinuxNode(ResourceManager):
                         gw = self.get("gateway"),
                         agent = True,
                         identity = self.get("identity"),
-                        server_key = self.get("serverKey")
+                        server_key = self.get("serverKey"),
+                        strict_host_checking = False
                         )
            
         return status
@@ -647,7 +655,8 @@ class LinuxNode(ResourceManager):
                         agent = True,
                         sudo = sudo,
                         identity = self.get("identity"),
-                        server_key = self.get("serverKey")
+                        server_key = self.get("serverKey"),
+                        strict_host_checking = False
                         )
 
         return (out, err), proc