File iscsi-discovery_auth-enable-is-a-number-not-a-s... of Package targetcli-fb.15595

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File iscsi-discovery_auth-enable-is-a-number-not-a-string of Package targetcli-fb.15595

From: Lee Duncan <lduncan@suse.com>
Date: Thu, 15 Aug 2019 08:38:35 -0700
Subject: iscsi discovery_auth enable is a number not a string
Git-commit: dc8d9d83cef8489f3b6aec1609299cdba70eda34

The discovery_auth attribute group in the /iscsi node
has several attributes, and all area treated like strings,
even though "enable" is a number in sysfs, accepting either
zero or one. It would break backwards compatability to
convert this attribute to be a boolean, so at least
treat it like a proper number instead of a string.

This avoids stack dumps like the following when trying
to set this attribute to 'true' or 'false':

> /iscsi> set discovery_auth enable=false
> Traceback (most recent call last):
>   File "/usr/bin/targetcli", line 122, in <module>
>     main()
>   File "/usr/bin/targetcli", line 112, in main
>     shell.run_interactive()
>   File "/usr/lib/python3.6/site-packages/configshell_fb/shell.py", line 905, in run_interactive
>     self._cli_loop()
>   File "/usr/lib/python3.6/site-packages/configshell_fb/shell.py", line 734, in _cli_loop
>     self.run_cmdline(cmdline)
>   File "/usr/lib/python3.6/site-packages/configshell_fb/shell.py", line 848, in run_cmdline
>     self._execute_command(path, command, pparams, kparams)
>   File "/usr/lib/python3.6/site-packages/configshell_fb/shell.py", line 823, in _execute_command
>     result = target.execute_command(command, pparams, kparams)
>   File "/usr/lib/python3.6/site-packages/configshell_fb/node.py", line 1406, in execute_command
>     return method(*pparams, **kparams)
>   File "/usr/lib/python3.6/site-packages/configshell_fb/node.py", line 522, in ui_command_set
>     group_setter(param, value)
>   File "/usr/lib/python3.6/site-packages/targetcli/ui_target.py", line 134, in ui_setgroup_discovery_auth
>     self.rtsnode.discovery_enable_auth = value
>   File "/usr/lib/python3.6/site-packages/rtslib_fb/fabric.py", line 243, in _set_discovery_enable_auth
>     if int(enable):
> ValueError: invalid literal for int() with base 10: 'false'

Now the output will be:

> Not setting enable! Syntax error, 'false' is not a NUMBER.

Acked-by: Lee Duncan <lduncan@suse.com>
---
 targetcli/ui_target.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/targetcli/ui_target.py b/targetcli/ui_target.py
index 0c3fe1b708db..16ccae715688 100644
--- a/targetcli/ui_target.py
+++ b/targetcli/ui_target.py
@@ -34,7 +34,8 @@ from .ui_backstore import complete_path
 from .ui_node import UINode, UIRTSLibNode
 
 auth_params = ('userid', 'password', 'mutual_userid', 'mutual_password')
-discovery_params = auth_params + ("enable",)
+int_params = ('enable',)
+discovery_params = auth_params + int_params
 
 class UIFabricModule(UIRTSLibNode):
     '''
@@ -47,8 +48,12 @@ class UIFabricModule(UIRTSLibNode):
         self.refresh()
         if self.rtsnode.has_feature('discovery_auth'):
             for param in discovery_params:
-                self.define_config_group_param('discovery_auth',
-                                               param, 'string')
+                if param in int_params:
+                    self.define_config_group_param('discovery_auth',
+                                                   param, 'number')
+                else:
+                    self.define_config_group_param('discovery_auth',
+                                                   param, 'string')
         self.refresh()
 
     # Support late params

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File iscsi-discovery_auth-enable-is-a-number-not-a-string of Package targetcli-fb.15595

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