Add client/server managment from the command line

glances/glances.py

@@ -4270,6 +4270,7 @@ def printSyntax():
     print(_("\t-p PORT\t\tDefine the client/server TCP port (default: %d)" %
             server_port))
     print(_("\t-P password\tDefine a client/server password"))
+    print(_("\tor --password\tEnter the password from the command line"))
     print(_("\t-r\t\tDisable process list"))
     print(_("\t-s\t\tRun Glances in server mode"))
     print(_("\t-t seconds\tSet refresh time in seconds (default: %d sec)" %
@@ -4303,6 +4304,28 @@ def signal_handler(signal, frame):
     end()
 
 
+def getpassword(description = "", confirm = False):
+    """
+    Read a password from the command line (with confirmation if confirm = True)
+    """
+    import getpass
+
+    if (description != ""): 
+        sys.stdout.write("%s\n" % description)
+        
+    password1 = getpass.getpass(_("Password: "));
+    if (confirm):
+        password2 = getpass.getpass(_("Password (confirm): "))
+    else:
+        return password1
+
+    if (password1 == password2):
+        return password1
+    else:
+        sys.stdout.write(_("[Warning] Passwords did not match, please try again...\n"))
+        return getpassword(description = description, confirm = confirm)
+
+
 def main():
     # Glances - Init stuff
     ######################
@@ -4459,6 +4482,8 @@ def main():
         if html_tag or csv_tag:
             print(_("Error: Cannot use both -s and -o flag"))
             sys.exit(2)
+        if (password == ''):
+            password = getpassword(description = _("Define the password for the Glances server"), confirm = True)
 
     if client_tag:
         if html_tag or csv_tag:
@@ -4468,6 +4493,8 @@ def main():
             print(_("Error: Cannot use both -c and -C flag"))
             print(_("       Limits are set based on the server ones"))
             sys.exit(2)
+        if (password == ''):
+            password = getpassword(description = _("Enter the Glances server password"), confirm = False)
 
     if html_tag:
         if not html_lib_tag: