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Re: editfiles template; multiple edits; setting a class on update


From: Russell Adams
Subject: Re: editfiles template; multiple edits; setting a class on update
Date: Fri, 13 Jan 2006 18:33:02 -0600
User-agent: Mutt/1.4.2.1i

You're absolutely correct. The trigger is the version number, which my
current macros use a timestamp which is written to the template when
the m4 file is converted to a cfengine file.

Because I use make to handle compiles, simply touching a m4 file will
trigger a rewrite of the file on the hosts after my configs are
recompiled.

Russell

On Fri, Jan 13, 2006 at 02:58:01PM -0800, Atom Powers wrote:
> I looked at your wiki docs.
> How do you enforce your editfiles action without changing the RCS
> version? Correct me if I'm wrong, but it looks like your editfiles
> block won't begin unless your template has changed.
> 
> On 1/13/06, Adams, Russell L. <address@hidden> wrote:
> > I use my editfiles functions (ReplacementEdit and BlockEdit) for
> > exactly this.
> >
> > I have an editfiles statement that rewrites the entire file
> > (ReplacementEdit) if a new version is present, and then multiple
> > BlockEdits that see if their block is current or missing and adds them
> > if thats the case.
> >
> > Then of course I trigger a restart if the file was edited.
> >
> > See:
> >
> > http://cfwiki.org/cfwiki/index.php/Editfiles_Examples
> > http://cfwiki.org/cfwiki/index.php/Managing_Blocks_of_Code_with_Editfiles
> >
> > I've m4 macroed these and the version numbering, so if I update the m4
> > file the version number is updated which forces the file to be
> > rewritten entirely, and defines additional classes for me to trigger
> > events with.
> >
> > I could provide some code examples, etc, if you like.
> >
> > Russell
> >
> > On Fri, Jan 13, 2006 at 09:23:15AM -0800, Atom Powers wrote:
> > > I have a situation, many of them in fact, where I want to create a
> > > template file, make multiple edits to it, and then restart a service
> > > if the destination file is updated. How can I manage my editfiles
> > > without restarting the service every time cfengine runs?
> > >
> > > I could do my editfiles on "$(FileSource)/common/etc/inetd.conf"; but
> > > then that file would be copied from the masterfiles server every time
> > > cfengine runs.
> > >
> > > How have you solved this problem?
> > >
> > > For example:
> > > I have a default inetd.conf file, with sshd in it.
> > > --
> > > copy::
> > >       $(FileSource)/common/etc/inetd.conf
> > >       dest=/etc/inetd.conf
> > >       mode=664        owner=root      group=wheel
> > > --
> > > Some hosts run ftp, others run nntp:
> > > --
> > > editfiles:
> > >   ftp-server::
> > >       {  /etc/inetd.conf
> > >       AppendIfNoSuchLine "ftp    stream  tcp nowait  root
> > > /usr/libexec/ftpd   ftpd -l"
> > >        DefineClasses "newinetd"
> > >        }
> > >
> > >   nntp-server::
> > >       {  /etc/inetd.conf
> > >       AppendIfNoSuchLine "nntp   stream  tcp     nowait  news
> > > /usr/local/libexec/nntpd        nntpd"
> > >        DefineClasses "newinetd"
> > >        }
> > > --
> > > Then I restart inetd if the config file changed:
> > > --
> > > shellcommands:
> > >   newinetd::
> > >     "/etc/rc.d/inetd restart"
> > > --
> > >
> > > This will modify inetd.conf, and thus restart inetd, every time.
> > >
> > >
> > > --
> > > --
> > > Perfection is just a word I use occasionally with mustard.
> > > --Atom Powers--
> > >
> > >
> > > _______________________________________________
> > > Help-cfengine mailing list
> > > address@hidden
> > > http://lists.gnu.org/mailman/listinfo/help-cfengine
> >
> >
> > _______________________________________________
> > Help-cfengine mailing list
> > address@hidden
> > http://lists.gnu.org/mailman/listinfo/help-cfengine
> >
> 
> 
> --
> --
> Perfection is just a word I use occasionally with mustard.
> --Atom Powers--
> 
> 
> _______________________________________________
> Help-cfengine mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/help-cfengine
> 
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Russell Adams                            address@hidden

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