Date: Sat, 29 Aug 2015 11:05:17 -0400 From: Allan Jude <allanjude@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: How to control and setup service? Message-ID: <55E1CA2D.5020203@freebsd.org> In-Reply-To: <55E1803E.7080706@freebsd.org> References: <CAAoTqfvxUznJp%2BtguAaYQ=5HfKXTG%2BGxY644wvqm4e9=E8WuHw@mail.gmail.com> <55DF261C.80009@freebsd.org> <20150827200534.GH16003@e-new.0x20.net> <CAAoTqfthyGatRokfv-umxjxNp3Qj9xE7A7veDFjQE%2B0PNUdDcA@mail.gmail.com> <CAAoTqfvHfZpdE7QcVGx_BWabdXN68XOGWOcJM33VoKfR7j6Dhw@mail.gmail.com> <55E086D3.1040700@freebsd.org> <CAAoTqfvGXevDtzHEevzuS_kwaezrJftQaY2R4H9UxNnBcEBYfg@mail.gmail.com> <CAAoTqfszP7a1ULNgZO43H_wTzjZu_kNj0n_kY5Skyj85FYUdNg@mail.gmail.com> <55E1803E.7080706@freebsd.org>
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[-- Attachment #1 --] On 2015-08-29 05:49, Stefan Esser wrote: > Am 28.08.2015 um 18:51 schrieb Pavel Timofeev: >> Sorry for top posting! It's pretty hard to write email walking under >> heavy rain and umbrella. >> So, I talked about special key, not default behaviour. >> Let me give you an example. >> You got a server (or ten) which was/were somehow configured before you. >> You want to reconfigure it/them. You don't care how and where it's >> already configured, you just want to set particular rcvars and be sure >> that no other rcvars are set. >> >> Before you came it was: >> mysql_enable="YES/NO" # no matter >> mysql_datadir="/mycozystorage/db/mysql" >> mysql_defaults_extra_file="/mycozystorage/mysql/my.cnf" >> mysql_plugin_dir="/somewhere/lib/mysql/plugin" >> mysql_log_error="/mycozystorage/db/mysql/hostname.err" >> >> then you run something like (look at -k key) >> # service -k mysql-server enable set datadir "/mysqldb" log_error >> "/mysqllogs/hostname.err" >> it becomes >> mysql_enable="YES" >> mysql_datadir="/mysqldb" >> mysql_log_error="/mysqllogs/hostname.err" >> >> I. e. sets what requested and deletes rcvars which was not requested. > > I think that the removal of the previous config state should not come > as the side-effect of some "set" command. > > I'd rather introduce a now verb for this purpose, which has the effect > of clearing all previous settings for a service, instead of overloading > the "set" operation. > > E.g.: > > # service mysql-server clearconfig > > Not sure about the best command name to use, it could also be "clean" > or "initconfig" or "defaultconfig". The semantics is that all the > rc.conf assignments for thise service are removed (including the > enable line) and the defaults from defaults/rc.conf become effective > again. > > Regards, STefan > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > I agree that that is a better design, as I would almost never actually want to remove those extra settings, and if it happened unexpectedly, I would be quite upset. -- Allan Jude [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQIcBAEBAgAGBQJV4coxAAoJEBmVNT4SmAt+hUAP/jcUpJzHnD2NiT7wQiXFc2+H 3KUtNzwc3UjDs5Xmw01iNJHZfrMcvltT4EgkaRuBIDE7h1JGrXJVuQ2fPmbRSLZw n9usA+NCOAD9iCw80rhdW4jltuADJ7/1e7HIUTHjZIgo3AdDYFYMcCRdFWzUiKhk 1lkAdOCZdu5T6KkNdNWbvudTnls1BzR6rL3UA6R/5GN9LREHEFPhbx3Flm1vypIm /fUR/e1NZu2uEdMTogmjv8qhikxSe80rx8UkMcJe10c2mNzvLsx7P4Ba0kiKgQcm rR33wzTyJq4LmaVRkyzeckXIzBVAVkQTYo+5TCiLmG13J19SVynQWx1K+GeH2TbG k6pOmCsdnyr2WUJq7Cturj/aeEFJiPJcs4QUfp8ucvw6UaJqBC8MRdjv3z3SD+Qz UzYd6/s59nRENhvjtqm+HaSqnsolspQZbgSQzvLHznEPSPwIprk77Ra783Mxl7uL 5HYMzsM0HH5CztD9wIPhWMqGDiPUua869rg8bGBntXox1f6SpgZouKB5hB74JcyB HxLOAqDHIfMhkE3LIufr1gBszx9l4liverTz9wmjxCL8VdASJXjNxDuOiRgtkwmq WPlsyHPIpcpyuJqRT0SNYOOgbzVrsWxS2iAn1QbscoB3nqHrjow2fxFGuFIwVOLv xhSldNonVCoz6jlCdETg =MtgZ -----END PGP SIGNATURE-----
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