[pgpool-hackers: 3820] Re: [pgpool-committers: 6193] pgpool: Adding new wd_cli utility
Tatsuo Ishii
ishii at sraoss.co.jp
Thu Sep 17 06:45:46 JST 2020
Hi Usama,
Thank you very much!
BTW, in pgpool-general mailing list, multiple users complain that
if_down_command is not executed when former master watchdog node shuts
dow or is took over. Any suggestion for this?
https://www.pgpool.net/pipermail/pgpool-general/2020-September/007323.html
> Hi Ishii-San
>
> Sorry for the delay. I have pushed the documentation updates for the wd_cli
> utility
>
> https://git.postgresql.org/gitweb/?p=pgpool2.git;a=commitdiff;h=904d6facbfd45a53f6ac68dd13aa55cb3705ec75
>
> Thanks
> Best Regards
> Muhammad Usama
>
>
> On Wed, Sep 16, 2020 at 3:50 AM Tatsuo Ishii <ishii at sraoss.co.jp> wrote:
>
>> Hi Usama,
>>
>> Any feedback for this?
>>
>> Best regards,
>> --
>> Tatsuo Ishii
>> SRA OSS, Inc. Japan
>> English: http://www.sraoss.co.jp/index_en.php
>> Japanese:http://www.sraoss.co.jp
>>
>> From: Tatsuo Ishii <ishii at sraoss.co.jp>
>> Subject: [pgpool-hackers: 3807] Re: [pgpool-committers: 6193] pgpool:
>> Adding new wd_cli utility
>> Date: Tue, 08 Sep 2020 15:17:19 +0900 (JST)
>> Message-ID: <20200908.151719.21058270736229900.t-ishii at sraoss.co.jp>
>>
>> > Hi Usama,
>> >
>> > Have you committed documentation for this? I am organizing release
>> > notes for 4.2 now. It's difficult to add a new feature without
>> > documentations...
>> >
>> > Best regards,
>> > --
>> > Tatsuo Ishii
>> > SRA OSS, Inc. Japan
>> > English: http://www.sraoss.co.jp/index_en.php
>> > Japanese:http://www.sraoss.co.jp
>> >
>> > From: Muhammad Usama <m.usama at gmail.com>
>> > Subject: [pgpool-committers: 6193] pgpool: Adding new wd_cli utility
>> > Date: Mon, 23 Sep 2019 20:43:21 +0000
>> > Message-ID: <E1iCVB3-0007dP-8Q at gothos.postgresql.org>
>> >
>> >> Adding new wd_cli utility
>> >>
>> >> wd_cli makes it easier to integrate the external health check systems
>> with the
>> >> Pgpool-II. It provides a very convenient and easy to use interface to
>> interact with
>> >> watchdog and perform health check related node operations.
>> >>
>> >> For example:
>> >> If some external health-check system monitoring the health of the
>> watchdog
>> >> cluster detects the remote node failure. It can use wd_cli utility to
>> inform
>> >> Pgpool-II about that node failure
>> >>
>> >> $wd_cli --inform DEAD -N 'Remote watchdog name' -p 9001 -m 'node
>> 1 failed'
>> >>
>> >> Similarly when the node becomes reachable again
>> >>
>> >> $wd_cli --inform ALIVE -N 'Remote watchdog name' -p 9001 -m 'node
>> 1 found'
>> >>
>> >> This utility can also be used to get the live information of all nodes.
>> >>
>> >> $wd_cli -f simple_conf/watchdog/pgpool_wd1.conf --info -v --all
>> >>
>> >> Total Watchdog nodes configured for lifecheck: 2
>> >> *****************
>> >> Node ID: 0
>> >> Node Status code 4
>> >> Node Status: MASTER
>> >> Node Name: localhost:9991 Linux localhost.localdomain
>> >> Node Host: localhost
>> >> Node WD Port: 9001
>> >> Node Pgpool Port: 9991
>> >>
>> >> Node ID: 1
>> >> Node Status code 7
>> >> Node Status: STANDBY
>> >> Node Name: localhost:9992 Linux localhost.localdomain
>> >> Node Host: localhost
>> >> Node WD Port: 9002
>> >> Node Pgpool Port: 9992
>> >>
>> >> wd_cli provides many options for node search criteria.
>> >> See wd_cli --help for complete list of options.
>> >>
>> >> The commit also re-arrange the code related to socket communication and
>> >> watchdog IPC commands and separates the internal and external watchdog
>> >> commands to make the code structure more modular.
>> >>
>> >> The regression tests and documentation updates are not part of this
>> commit
>> >> and will be taken care of separately.
>> >>
>> >> Branch
>> >> ------
>> >> master
>> >>
>> >> Details
>> >> -------
>> >>
>> https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=6156534a7073bc6446b9bcccc1ed4a846fa82f34
>> >>
>> >> Modified Files
>> >> --------------
>> >> configure | 3 +-
>> >> configure.ac | 2 +-
>> >> src/Makefile.am | 1 +
>> >> src/Makefile.in | 17 +-
>> >> src/include/utils/fe_ports.h | 13 +-
>> >> src/include/utils/json_writer.h | 2 +-
>> >> src/include/utils/pool_stream.h | 7 +-
>> >> src/include/utils/socket_stream.h | 36 +
>> >> src/include/watchdog/wd_commands.h | 66 ++
>> >> .../{wd_ipc_commands.h => wd_internal_commands.h} | 66 +-
>> >> src/include/watchdog/wd_ipc_conn.h | 57 ++
>> >> src/include/watchdog/wd_ipc_defines.h | 2 +-
>> >> src/include/watchdog/wd_json_data.h | 14 -
>> >> src/include/watchdog/wd_lifecheck.h | 4 +-
>> >> src/main/pgpool_main.c | 10 +-
>> >> src/pcp_con/pcp_worker.c | 4 +-
>> >> src/pcp_con/recovery.c | 2 +-
>> >> src/protocol/child.c | 16 +-
>> >> src/protocol/pool_connection_pool.c | 4 +-
>> >> src/protocol/pool_process_query.c | 8 +-
>> >> src/tools/Makefile.am | 7 +-
>> >> src/tools/Makefile.in | 7 +-
>> >> src/tools/watchdog/Makefile.am | 74 ++
>> >> src/tools/watchdog/Makefile.in | 771
>> +++++++++++++++++++++
>> >> src/tools/watchdog/wd_cli.c | 749
>> ++++++++++++++++++++
>> >> src/utils/pool_stream.c | 138 +---
>> >> src/utils/psprintf.c | 4 +-
>> >> src/utils/socket_stream.c | 195 ++++++
>> >> src/watchdog/Makefile.am | 2 +
>> >> src/watchdog/Makefile.in | 3 +
>> >> src/watchdog/watchdog.c | 14 +-
>> >> src/watchdog/wd_commands.c | 757
>> ++++----------------
>> >> src/watchdog/wd_internal_commands.c | 496 +++++++++++++
>> >> src/watchdog/wd_ipc_conn.c | 282 ++++++++
>> >> src/watchdog/wd_json_data.c | 86 ---
>> >> src/watchdog/wd_lifecheck.c | 12 +-
>> >> 36 files changed, 2946 insertions(+), 985 deletions(-)
>> >>
>> > _______________________________________________
>> > pgpool-hackers mailing list
>> > pgpool-hackers at pgpool.net
>> > http://www.pgpool.net/mailman/listinfo/pgpool-hackers
>>
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