jin, i wonder if this would be better confined as classic?
/manik On Mon, Mar 13, 2017 at 1:29 AM, Jin Hsieh <jin.hs...@canonical.com> wrote: > Hello guys, > > We are making a workable mail solution snap, > the selected back-end services are Postfix(SMTP) and Dovecot(POP3/IMAP). > > For those services as you known they have some dependencies with classic > paths, > for example the /etc/postfix/main.cf and /etc/dovecot/dovecot.conf so we > made some changes on the upstream code, > to get the environment variables such as SNAP, SNAP_DATA/SNAP_COMMON by > getenv(), > then replace the classic one into $SNAP_DATA/etc/postfix/* to make it works > properly. > > Also, for a bigger snap like this, > the component(one of the parts) will execute external command to trigger > another one, > in such the case Postfix forks its child process: pipe to call dovecot-lda > (which is a sub-process of Dovecot), > to complete the mail retrieving function, now I would say *it is lucky to > have a useful configuration parameter* "export_environment" in Postfix, > so that we can make sure the commands could be executed correctly in our > snap world with specific $SNAP exported. > http://www.postfix.org/postconf.5.html > > > But you could recognize the modification we made *is hard to upstream guys > to accept/merge the changes into their trunk*, > so many getenv("SNAP") in the code or in where the code flow uses > clean_env() we also need to cache the SNAP-related variables, > I am wondering if we have a better way to do this, for example an interface > or environment-sharing could make the life easier? > 1. then have the chances to make the upstream code up without > getenv("SNAP") to make their code snap-adaptive > 2. then have a much regular way to export environment when one > component calls another one externally without "export_environment" support > > Any feedback would be welcomed, > many thanks. > > BR. > Jin > -- > Snapcraft mailing list > Snapcraft@lists.snapcraft.io > Modify settings or unsubscribe at: https://lists.ubuntu.com/ > mailman/listinfo/snapcraft > -- Snapcraft mailing list Snapcraft@lists.snapcraft.io Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/snapcraft
