syagent

src/client/agent.py

@@ -1,13 +1,31 @@
 import paramiko
 
+HOSTS_KEYS_PATH = '/home/luca/.ssh/known_hosts'
 PKEY_PATH = '/home/luca/.ssh/notanamber_rsa'
+
 HOSTNAME = '107.152.32.78' 
 USERNAME = 'notanamber'
 
-class ParaAgent():
+class SyncAgent():
 
   def __init__(self):
-    pkey = paramiko.RSAKey.from_private_key_file(PKEY_PATH)
+    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)
+    self.client.load_host_keys(filename=HOSTS_KEYS_PATH)
+
+  def connect(self):
+    self.client.connect(hostname=HOSTNAME, username=USERNAME, pkey=self.pkey, look_for_keys=False)
+
+  def close(self):
+    self.client.close()
+
+  def compute_hash(self, name):
+    self.connect()
+    stdin, stdout, stderr = self.client.exec_command("sha256sum %s | awk '{print $1}'" % (name, ))
+    # self.close()
+    ostream = stdout.read()
+    estream = stderr.read()
+    # stdout.read().strip() is the hash
+    if estream:
+      print("Command failed for this reason: %s" % (estream))
+    return ostream.strip()