refactor apex installer

JIRA: DOCTOR-100

Change-Id: I684071d35aac99ad1f5b65ae74e0a98ac726af35
Signed-off-by: dongwenjuan <dong.wenjuan@zte.com.cn>

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/utils.py b/tests/utils.py
index c5d6c1c3..f57cd266 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -8,6 +8,7 @@
 ##############################################################################
 import json
 import os
+import paramiko
 
 
 def load_json_file(full_path):
@@ -31,3 +32,47 @@ def write_json_file(full_path, data):
     with open(full_path, 'w+') as file:
         file.write(json.dumps(data))
 
+
+class SSHClient(object):
+    def __init__(self, ip, username, password=None, pkey=None,
+                 key_filename=None, log=None, look_for_keys=False,
+                 allow_agent=False):
+        self.client = paramiko.SSHClient()
+        self.client.load_system_host_keys()
+        self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        self.client.connect(ip, username=username, password=password,
+                            pkey=pkey, key_filename=key_filename,
+                            look_for_keys=look_for_keys,
+                            allow_agent=allow_agent)
+        self.log = log
+
+    def __del__(self):
+        self.client.close()
+
+    def ssh(self, command):
+        if self.log:
+            self.log.debug("Executing: %s" % command)
+        stdin, stdout, stderr = self.client.exec_command(command)
+        ret = stdout.channel.recv_exit_status()
+        output = list()
+        for line in stdout.read().splitlines():
+            output.append(line)
+        if ret:
+            if self.log:
+                self.log.debug("*** FAILED to run command %s (%s)" % (command, ret))
+            raise Exception(
+                "Unable to run \ncommand: %s\nret: %s"
+                % (command, ret))
+        if self.log:
+            self.log.debug("*** SUCCESSFULLY run command %s" % command)
+        return ret, output
+
+    def scp(self, source, dest, method='put'):
+        if self.log:
+            self.log.info("Copy %s -> %s" % (source, dest))
+        ftp = self.client.open_sftp()
+        if method == 'put':
+            ftp.put(source, dest)
+        elif method == 'get':
+            ftp.get(source, dest)
+        ftp.close()