Fix the sync.zfs state file drp copy to peer nodes

Remove the undocumented, thus unuseable, "sender" keyword. Replace it with
an autodetection of the peers nodes that need to receive the state file.

lib/resSyncZfs.py

@@ -18,7 +18,6 @@ def __init__(self,
                  target=None,
                  src=None,
                  dst=None,
-                 sender=None,
                  recursive = True,
                  snap_size=0,
                  **kwargs):
@@ -29,7 +28,6 @@ def __init__(self,
 
         self.label = "zfs of %s to %s"%(src, ",".join(target))
         self.target = target
-        self.sender = sender
         self.recursive = recursive
         self.src = src
         self.dst = dst
@@ -40,7 +38,6 @@ def _info(self):
         data = [
           ["src", self.src],
           ["dst", self.dst],
-          ["sender", self.sender if self.sender else ""],
           ["target", " ".join(self.target) if self.target else ""],
           ["recursive", str(self.recursive).lower()],
         ]
@@ -122,9 +119,10 @@ def get_dst_info(self):
 
     def get_peersenders(self):
         self.peersenders = set()
-        if 'nodes' == self.sender:
-            self.peersenders |= self.svc.nodes
-            self.peersenders -= set([rcEnv.nodename])
+        if rcEnv.nodename not in self.svc.nodes or self.target != ["drpnodes"]:
+            return
+        self.peersenders |= self.svc.nodes
+        self.peersenders -= set([rcEnv.nodename])
 
     def get_targets(self):
         self.targets = set()
@@ -398,8 +396,8 @@ def push_statefile(self, node):
         self.set_statefile()
         self._push_statefile(node)
         self.get_peersenders()
-        for s in self.peersenders:
-            self._push_statefile(s)
+        for node in self.peersenders:
+            self._push_statefile(node)
 
     def parse_statefile(self, out, node=None):
         self.set_statefile()