Merge "Automatic Deployment"

1 files changed, 56 insertions, 0 deletions

diff --git a/fuel/deploy/cloud_deploy/ssh_client.py b/fuel/deploy/cloud_deploy/ssh_client.py
new file mode 100644
index 0000000..b9aad6c
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/ssh_client.py
@@ -0,0 +1,56 @@
+import paramiko
+from cloud import common
+
+TIMEOUT = 600
+LOG = common.LOG
+
+class SSHClient(object):
+
+    def __init__(self, host, username, password):
+        self.host = host
+        self.username = username
+        self.password = password
+        self.client = None
+
+    def open(self, timeout=TIMEOUT):
+        self.client = paramiko.SSHClient()
+        self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        self.client.connect(self.host, username=self.username,
+                            password=self.password, timeout=timeout)
+
+    def close(self):
+        if self.client is not None:
+            self.client.close()
+            self.client = None
+
+    def execute(self, command, sudo=False, timeout=TIMEOUT):
+        if sudo and self.username != 'root':
+            command = "sudo -S -p '' %s" % command
+        stdin, stdout, stderr = self.client.exec_command(command,
+                                                         timeout=timeout)
+        if sudo:
+            stdin.write(self.password + '\n')
+            stdin.flush()
+        return ''.join(''.join(stderr.readlines()) +
+                       ''.join(stdout.readlines()))
+
+    def run(self, command):
+        transport = self.client.get_transport()
+        transport.set_keepalive(1)
+        chan = transport.open_session()
+        chan.exec_command(command)
+
+        while not chan.exit_status_ready():
+            if chan.recv_ready():
+                data = chan.recv(1024)
+                while data:
+                    print data
+                    data = chan.recv(1024)
+
+            if chan.recv_stderr_ready():
+                error_buff = chan.recv_stderr(1024)
+                while error_buff:
+                    print error_buff
+                    error_buff = chan.recv_stderr(1024)
+        exit_status = chan.recv_exit_status()
+        LOG.debug('Exit status %s' % exit_status)
\ No newline at end of file