[Bucardo-general] Install Bucardo on Amazon RDS PostgreSQL

Mon Jan 15 19:29:13 UTC 2018

i also saw this is logs of the source RDS database instance:

2018-01-15 18:52:12 UTC:???(???):ticadmin at auth:[12826]:ERROR: query string
argument of EXECUTE is null
2018-01-15 18:52:12 UTC:???(???):ticadmin at auth:[12826]:CONTEXT: PL/pgSQL
function bucardo.bucardo_delta_check(text,text) line 24 at EXECUTE statement
2018-01-15 18:52:12 UTC:???(???):ticadmin at auth:[12826]:STATEMENT: SELECT *
FROM bucardo.bucardo_delta_check($1,$2)
2018-01-15 18:52:23 UTC::[unknown]@[unknown]:[13046]:WARNING:
pg_getnameinfo_all() failed: Temporary failure in name resolution
2018-01-15 18:52:33 UTC:???(???):ticadmin at auth:[13046]:ERROR: query string
argument of EXECUTE is null
2018-01-15 18:52:33 UTC:???(???):ticadmin at auth:[13046]:CONTEXT: PL/pgSQL
function bucardo.bucardo_delta_check(text

On Mon, Jan 15, 2018 at 12:17 PM, caleb ayodele <ulo23k at gmail.com> wrote:

> i installed burcado on a separated EC2 instance with postgres9.6
>
> i created a bucardo database in the postgres instance
>
> the bucardo install created a bucardo user and created several tables
>
> i dumped the source database into the target
>
> i created the source/target database with bucardo and also create a herd
>
> i added all the tables and sequences to the herd
>
> i created a sync and started bucardo
>
>
> This is what i saw in the logs:
>
> 24176) [Sun Jan 14 21:37:38 2018] KID (auth_migrate) Kid has died, error
> is: DBD::Pg::st execute failed: ERROR:  query string argument of EXECUTE is
> null CONTEXT:  PL/pgSQL function bucardo.bucardo_delta_check(text,text)
> line 24 at EXECUTE statement at /usr/local/share/perl5/Bucardo.pm line
> 3400. Line: 5041 Main DB state: ? Error: none DB auth93 state: 22004 Error:
> 7 DB auth96 state: ? Error: none
> (24176) [Sun Jan 14 21:37:38 2018] KID (auth_migrate) Kid 24176 exiting at
> cleanup_kid. Sync "auth_migrate" public.activation_token_id_seq Reason:
> DBD::Pg::st execute failed: ERROR:  query string argument of EXECUTE is
> null CONTEXT:  PL/pgSQL function bucardo.bucardo_delta_check(text,text)
> line 24 at EXECUTE statement at /usr/local/share/perl5/Bucardo.pm line
> 3400. Line: 5041 Main DB state: ? Error: none DB auth93 state: 22004 Error:
> 7 DB auth96 state: ? Error: none
> (24150) [Sun Jan 14 21:37:38 2018] MCP Starting check_sync_health
> (24179) [Sun Jan 14 21:37:49 2018] KID (auth_migrate) New kid, sync
> "auth_migrate" alive=1 Parent=24154 PID=24179 kicked=1
> (24179) [Sun Jan 14 21:37:50 2018] KID (auth_migrate) Kid has died, error
> is: DBD::Pg::st execute failed: ERROR:  query string argument of EXECUTE is
> null CONTEXT:  PL/pgSQL function bucardo.bucardo_delta_check(text,text)
> line 24 at EXECUTE statement at /usr/local/share/perl5/Bucardo.pm line
> 3400. Line: 5041 Main DB state: ? Error: none DB auth93 state: 22004 Error:
> 7 DB auth96 state: ? Error: none
> (24179) [Sun Jan 14 21:37:50 2018] KID (auth_migrate) Kid 24179 exiting at
> cleanup_kid. Sync "auth_migrate" public.activation_token_id_seq Reason:
> DBD::Pg::st execute failed: ERROR:  query string argument of EXECUTE is
> null CONTEXT:  PL/pgSQL function bucardo.bucardo_delta_check(text,text)
> line 24 at EXECUTE statement at /usr/local/share/perl5/Bucardo.pm line
> 3400. Line: 5041 Main DB state: ? Error: none DB auth93 state: 22004 Error:
> 7 DB auth96 state: ? Error: none
>
>
> I think it might have something to do with a fucntion called
> *bucardo_delta_check(text,text)* but i looked for the function in the
> database and couldn't find it.
>
> On Mon, Jan 15, 2018 at 11:32 AM, caleb ayodele <ulo23k at gmail.com> wrote:
>
>> Hi David,
>>
>>
>> I followed the instructions from the below websites.
>>
>> http://saifulmuhajir.web.id/postgresql-amazon-rds-as-a-maste
>> r-how-to-replicate-from-aws/
>>
>> https://www.endpoint.com/blog/2017/06/06/amazon-aws-upgrades
>> -to-postgres-with
>>
>> https://bucardo.org/Bucardo/Installation/
>>
>> On Mon, Jan 15, 2018 at 11:14 AM, David Christensen <david at endpoint.com>
>> wrote:
>>
>>> Hi Caleb,
>>>
>>> Can you provide the steps you used to setup/install?
>>>
>>> Best,
>>>
>>> David
>>>
>>>
>>> On Jan 14, 2018, at 2:28 PM, caleb ayodele <ulo23k at gmail.com> wrote:
>>>
>>> Thanks for the quick response. i was able to use your documentation on
>>> the installation and was able to start bucardo but i ran into some issues.
>>>
>>> *issue #1*
>>>
>>> i got this error:
>>> *Last error:              : Failed : DBD::Pg::st execute failed: ERROR:
>>> query string argument of EXECUTE is null CONTEXT:  PL/pgSQL function
>>> bucardo.bucardo_delta_check(text,text) line 24 at EXECUTE statement at
>>> /usr/local/share/perl5/Bucardo.pm line 3400. Line: 5041 Main DB state: ?
>>> Error: none DB auth93 state: 22004 Error: 7 DB auth96 state: ? Error: none
>>> (KID 23032)*
>>>
>>> *issue #2*
>>>
>>> Bucardo is not replicating to the target
>>>
>>> On Sat, Jan 13, 2018 at 7:37 PM, Saiful Muhajir <saifulmuhajir at gmail.com
>>> > wrote:
>>>
>>>> The steps is quite straightforward as documented. The only difference
>>>> is that you need a standalone bucardo server where you would install
>>>> Postgres with ability to install bucardo, such as EC2 instances.
>>>>
>>>> Once bucardo server is ready, add the source and target RDS servers and
>>>> continue from there as the documents said.
>>>>
>>>> To summarized:
>>>> - prepare an EC2 instances to install bucardo
>>>> - add both source and target in bucardo server
>>>> - add tables, relgroups, syncs, and start
>>>>
>>>>
>>>> On 13 Jan 2018 7:00 pm, <bucardo-general-request at bucardo.org> wrote:
>>>>
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>>>>    1. Install Bucardo on Amazon RDS PostgreSQL (caleb ayodele)
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>>
>>>> Message: 1
>>>> Date: Sat, 13 Jan 2018 01:01:54 -0500
>>>> From: caleb ayodele <ulo23k at gmail.com>
>>>> To: bucardo-general at bucardo.org
>>>> Subject: [Bucardo-general] Install Bucardo on Amazon RDS PostgreSQL
>>>> Message-ID: <53D7880E-6415-4CE3-B6E0-88BDDCA5EC47 at gmail.com>
>>>> Content-Type: text/plain; charset=utf-8
>>>>
>>>> I want to do a migration from RDS Postgres 9.3 to 9.6 with little down
>>>> time and I was wondering if it is possible for Bucardo to work on RDS
>>>> Postgres. If so, please let me know how to install it because I can?t seem
>>>> to get around the plperlu extension part.
>>>>
>>>> ------------------------------
>>>>
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>>>>
>>>> End of Bucardo-general Digest, Vol 120, Issue 3
>>>> ***********************************************
>>>>
>>>>
>>>>
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>>> _______________________________________________
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>>>
>>> --
>>> David Christensen
>>> End Point Corporation
>>> david at endpoint.com
>>> 785-727-1171 <(785)%20727-1171>
>>>
>>>
>>>
>>>
>>
>
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