[Akonadi] [Bug 386173] akonadictl stop does not shut down database

[Martin Steigerwald]

https://bugs.kde.org/show_bug.cgi?id=386173

--- Comment #18 from Martin Steigerwald <Martin at Lichtvoll.de> ---
Created attachment 120932
  --> https://bugs.kde.org/attachment.cgi?id=120932&action=edit
akonadiserver.error with english locale, PostgreSQL properly shut down

(In reply to Daniel Vrátil from comment #17)
> Thanks for the logs, both of you. Indeed it appears that Akonadi mistakenly
> thinks, that Postgres is no longer running.
> 
> Do you guys use non-english locale by default?

Yes:

% locale
LANG=de_DE.UTF-8
LANGUAGE=de
LC_CTYPE="de_DE.UTF-8"
LC_NUMERIC="de_DE.UTF-8"
LC_TIME="de_DE.UTF-8"
LC_COLLATE="de_DE.UTF-8"
LC_MONETARY="de_DE.UTF-8"
LC_MESSAGES="de_DE.UTF-8"
LC_PAPER="de_DE.UTF-8"
LC_NAME="de_DE.UTF-8"
LC_ADDRESS="de_DE.UTF-8"
LC_TELEPHONE="de_DE.UTF-8"
LC_MEASUREMENT="de_DE.UTF-8"
LC_IDENTIFICATION="de_DE.UTF-8"
LC_ALL=


> Could you please run the following command both when Postgres IS running and
> when it is NOT running, and paste its output here?
> 
>     pg_ctl status --pgdata=$HOME/.local/share/akonadi/db_data

Running:

LANG=en /usr/lib/postgresql/11/bin/pg_ctl status
--pgdata=$HOME/.local/share/akonadi/db_data
pg_ctl: server is running (PID: 25164)
/usr/lib/postgresql/11/bin/postgres "-D"
"/home/martin/.local/share/akonadi/db_data" "-k/tmp/akonadi-martin.wTqoXj" "-h"
""

with my locale:

% /usr/lib/postgresql/11/bin/pg_ctl status
--pgdata=$HOME/.local/share/akonadi/db_data 
pg_ctl: Server läuft (PID: 25164)
/usr/lib/postgresql/11/bin/postgres "-D"
"/home/martin/.local/share/akonadi/db_data" "-k/tmp/akonadi-martin.wTqoXj" "-h"
""

After akonadictl stop:

% LANG=en /usr/lib/postgresql/11/bin/pg_ctl status
--pgdata=$HOME/.local/share/akonadi/db_data
pg_ctl: server is running (PID: 25164)
/usr/lib/postgresql/11/bin/postgres "-D"
"/home/martin/.local/share/akonadi/db_data" "-k/tmp/akonadi-martin.wTqoXj" "-h"
""

with my locale same as above.

Stopped PostgreSQL process manually:

% LANG=en /usr/lib/postgresql/11/bin/pg_ctl status
--pgdata=$HOME/.local/share/akonadi/db_data
pg_ctl: no server running

% /usr/lib/postgresql/11/bin/pg_ctl status
--pgdata=$HOME/.local/share/akonadi/db_data 
pg_ctl: kein Server läuft

Test with US english locale:

% locale              
LANG=en
LANGUAGE=en
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=en_US.UTF-8

% akonadictl --verbose start

% akonadictl stop

Works. Stops database process just fine. akonadiserver.error attached.

Well Daniel, fix would be easy I bet: Just start external commend with English
locale if you need to parse strings in the output.

Is there no better way than than parsing output? pg_ctl returns 3 as exit code
if server is not running (see pg_ctl (1)):

       status mode checks whether a server is running in the specified
       data directory. If it is, the server's PID and the command line
       options that were used to invoke it are displayed. If the
       server is not running, pg_ctl returns an exit status of 3. If
       an accessible data directory is not specified, pg_ctl returns
       an exit status of 4.

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