Forum: Cfengine Help
Subject: expand_template non-convergant?
Author: sauer
Link to topic: https://cfengine.com/forum/read.php?3,21562,21562#msg-21562
So, I have a bundle which expands a template, and it seems to be editing the
file everytime it runs. I find this bothersome. This doesn't happen on other
templates, but those have variables which don't expand to things containing
newlines, which is what I perhaps naiively suspect the problem to be here..
Anyone see what obvious thing I'm overlooking?
For the record, I eventually got this working without the template by just
getting rid of the join and using
edit_line => insert_lines("@(set_securetty.tty_list)"),
But I still want to know why the template version below, bad as it is, was
recreating the same file every time.
Here's the original bundle (with a shortened list of ttys):
bundle agent set_securetty {
vars:
"securettypath" string => "/etc/securetty";
"template" string => "/path/to/securetty.template";
# ports which should be in the file on all platforms
any::
"tty_common"slist => {
"console"
};
# per-OS ports
linux::
"tty_os" slist => {
"ttyS0",
"ttyS1"
};
!linux::
"tty_os" slist => {
""
};
any::
"tty_list" policy => "ifdefined",
slist => { @(tty_common), @(tty_os) };
"ttys" string => join("$(const.n)", "tty_list");
reports:
edited_securetty::
"Changed $(securettypath)";
files:
"$(securettypath)"
perms => mog("644", "root", "root"),
create => "true",
edit_defaults => empty,
edit_line => expand_template("$(template)"),
classes => if_repaired("edited_securetty"),
comment => "Set perms and content of $(securettypath)",
handle => "manage_securetty";
}
The template was just this:
# cat /path/to/securetty.template
$(set_securetty.ttys)
Thanks.
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