Forum: CFEngine Help
Subject: fileexists() on remote host
Author: zont1
Link to topic: https://cfengine.com/forum/read.php?3,24026,24026#msg-24026
Hi,
I want to synchronize some system files with cfengine3. I've got few named
profiles and one default profile with hierarchy as following:
default/etc/inetd.conf
default/etc/sysctl.conf
profile1/etc/inetd.conf
profile2/etc/sysctl.conf
profile1 has it's own version of inetd.conf and sysctl.conf from default,
profile2 has it's own sysctl.conf and inetd.conf from default.
I try to use "files:" promises to implement this sceme but I can't find
function/method to check if file exists on remote server.
How can I check if the file exists on the remote host?
For now, I sync all config files for two profiles - profile1 and default and
then copy/install config from where it exists.
vars:
profile1::
"profile" string => "profile1";
profile2::
"profile" string => "profile2";
files:
freebsd::
"$(g.masterfiles)/$(profile)"
comment => "Copy $(profile) config files",
perms => mog("0600", "root", "wheel"),
depth_search => recurse("inf"),
copy_from => remote_sync_dcp("$(g.syncfiles)/$(profile)",
"$(g.policyhost)");
"$(g.masterfiles)/default"
comment => "Copy default config files",
perms => mog("0600", "root", "wheel"),
depth_search => recurse("inf"),
copy_from => remote_sync_dcp("$(g.syncfiles)/default",
"$(g.policyhost)");
"/etc/inetd.conf"
comment => "Install $(this.promiser) file for $(profile)",
perms => mog("0644", "root", "wheel"),
ifvarclass =>
and(fileexists("$(g.masterfiles)/$(profile)/etc/inetd.conf")),
copy_from =>
no_backup_dcp("$(g.masterfiles)/$(profile)/etc/inetd.conf"),
classes => if_repaired("reload_inetd");
"/etc/inetd.conf"
comment => "Install $(this.promiser) file for default",
perms => mog("0644", "root", "wheel"),
ifvarclass =>
not(fileexists("$(g.masterfiles)/$(profile)/etc/inetd.conf")),
copy_from =>
no_backup_dcp("$(g.masterfiles)/default/etc/inetd.conf"),
classes => if_repaired("reload_inetd");
"/etc/sysctl.conf"
comment => "Copy $(this.promiser) file for $(profile)",
perms => mog("0644", "root", "wheel"),
ifvarclass =>
and(fileexists("$(g.masterfiles)/$(profile)/etc/sysctl.conf")),
copy_from =>
no_backup_dcp("$(g.masterfiles)/$(profile)/etc/sysctl.conf"),
classes => if_repaired("start_sysctl");
"/etc/sysctl.conf"
comment => "Copy $(this.promiser) file for default",
perms => mog("0644", "root", "wheel"),
ifvarclass =>
not(fileexists("$(g.masterfiles)/$(profile)/etc/sysctl.conf")),
copy_from =>
no_backup_dcp("$(g.masterfiles)/default/etc/sysctl.conf"),
classes => if_repaired("start_sysctl");
...
commands:
reload_inetd::
"/etc/rc.d/inetd reload";
start_sysctl::
"/etc/rc.d/sysctl start";
...
body copy_from remote_sync_dcp(from, server)
{
servers => { "$(server)" };
source => "$(from)";
compare => "digest";
purge => "true";
}
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