trying to use paramiki

src/client/agent.py

@@ -0,0 +1,13 @@
+import paramiko
+
+PKEY_PATH = '/home/luca/.ssh/notanamber_rsa'
+HOSTNAME = '107.152.32.78' 
+USERNAME = 'notanamber'
+
+class ParaAgent():
+
+  def __init__(self):
+    pkey = paramiko.RSAKey.from_private_key_file(PKEY_PATH)
+    self.client = paramiko.SSHClient()
+    _c = self.client
+    _c.connect(hostname=HOSTNAME, username=USERNAME, pkey=pkey, look_for_keys=False)

src/snapshot/snap.py

@@ -10,10 +10,17 @@ def dcsnap(path: str, filename=None):
 
 
 def diffsnap(snapshot_a, snapshot_b, path='./'):
+  '''
+    snapshot is a tree represented by dictionary {k, val} when k can be folder or file
+    and val can be a dictionary or an hash
+
+    @param                 snapshot_a                 snapshot computed at time t0
+    @param                 snapshot_b                 snapshot computed at time t1
+  '''
   for name_a, hsh_a in snapshot_a.items():
     hsh_b = snapshot_b.get(name_a)
     if hsh_b is None:
-      print(f'{path}{name_a} present in snapshot_a but removed in snapshot_b, subtree {hsh_b} removed in snapshot_b')
+      print(f'{path}{name_a} present in snapshot_a but removed in snapshot_b, subtree {name_a} removed in snapshot_b')
       continue
     if type(hsh_a) != type(hsh_a):
       print(f'{path}{name_a} present in snapshot_a and in snapshot_b, but different type')
@@ -32,3 +39,18 @@ def diffsnap(snapshot_a, snapshot_b, path='./'):
       else:
         print(f'{path}{name_a} present in snapshot_a and in snapshot_b, snapshot_a: {hsh_a}, snapshot_b: {hsh_b}, unchanged')
 
+def findsubtree(snapshot, subtree, path='./'):
+  '''
+    @param     subtree              dict
+  '''
+  subtree_key  = list(subtree.keys())[0]
+  subtree_val = list(subtree.values())[0]
+
+  for snap_key, snap_val in snapshot.items():
+    if snap_key != subtree_key:
+      if isinstance(snap_val, dict):
+        path = '%s%s/' % (path, snap_key)
+        findsubtree(snap_val, subtree, path)
+    else:
+      if snap_val == subtree_val:
+        print(f'subtree found in snapshot in path {path}')