[check_postgres] Super user role

David Christensen david at endpoint.com
Mon Oct 19 14:56:10 UTC 2020


Hi Norman,

You can check HEAD on the repo (or just retrieve from here):

https://raw.githubusercontent.com/bucardo/check_postgres/master/check_postgres.pl

Best,

David
--
David Christensen
Senior Software and Database Engineer
End Point Corporation
david at endpoint.com
785-727-1171


> On Oct 19, 2020, at 9:19 AM, Norman Wong <Norman.Wong at cn.ca> wrote:
> 
> Yes.  I would be able to test in our environment.
> 
> 
> -----Original Message-----
> From: David Christensen <david at endpoint.com>
> Sent: Monday, October 19, 2020 10:05 AM
> To: Norman Wong <Norman.Wong at cn.ca>
> Cc: check_postgres at bucardo.org; Luc Galasso <Luc.Galasso at cn.ca>
> Subject: Re: [check_postgres] Super user role
> 
> 
> So after doing some research on this looks like 9.6 and up, but sounds like it will still work in your case. Would you be able to test a patch to check this support?
> 
> Sent from my iPhone
> 
>> On Oct 19, 2020, at 8:01 AM, Norman Wong <Norman.Wong at cn.ca> wrote:
>> 
>> We are running only on supported versions of Postgresql Community edition (so 9.6+).
>> 
>> I did a quick and dirty update to the perl code and hardcoded a 'SET ROLE' before each command.  It works without problem.  I am able to run all the checks requiring Super User access without a Altering the monitoring role.
>> 
>> Thanks for you quick response.
>> 
>> Norm
>> 
>> 
>> -----Original Message-----
>> From: David Christensen <david at endpoint.com>
>> Sent: Sunday, October 18, 2020 1:08 PM
>> To: Norman Wong <Norman.Wong at cn.ca>
>> Cc: check_postgres at bucardo.org
>> Subject: Re: [check_postgres] Super user role
>> 
>> Hi Norman,
>> 
>> You’re envisioning something which if set just does a `SET ROLE …` after making the connection but before running the individual checks? This does not seem like it would be very hard given a `psql` >= 9.5, as we could add the additional commands to the generated `psql` commands.
>> 
>> Supporting versions earlier than this would be quite a bit harder.
>> Would that support your needs or do you have older databases than 9.5?
>> (If 9.5 is in fact the cutoff for support, I’m fine with adding new
>> features that would support all supported PostgreSQL versions.)
>> 
>> Best,
>> 
>> David
>> --
>> David Christensen
>> Senior Software and Database Engineer
>> End Point Corporation
>> david at endpoint.com
>> 785-727-1171
>> 
>> 
>>> On Oct 15, 2020, at 1:29 PM, Norman Wong <Norman.Wong at cn.ca> wrote:
>>> 
>>> Thanks for producing this great module.  I’d like to suggest a small addition.
>>> 
>>> In our organization we do not grant superuser to any login roles.  There is a group role with superuser authority.  Superuser privilege cannot be inherited.  The login roles in this group must explicitly set the role to the superuser group to elevate their privileges.
>>> 
>>> There are a number of checks within check_postgres.pl that require superuser privilege.  Would it be possible to have a parameter where we can pass the superuser group role (e.g. –role )?
>>> 
>>> Thanks,
>>> 
>>> 
>>> Norman Wong, BMath, FLMI, RRCP Certified Specialist Database, IT
>>> Technology & Infrastructure for Db2, Postgresql, Hana DB, and Versant
>>> Management | Information Technology
>>> T: 514-399-7264 | C: 514-206-2258
>>> Celebrating 100 years | Célébrons nos 100 ans
>>> 
>>> 
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>> 

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