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-rw-r--r--puppet/modules/try/manifests/file.pp108
1 files changed, 80 insertions, 28 deletions
diff --git a/puppet/modules/try/manifests/file.pp b/puppet/modules/try/manifests/file.pp
index 47a8c269..cd1bb035 100644
--- a/puppet/modules/try/manifests/file.pp
+++ b/puppet/modules/try/manifests/file.pp
@@ -1,60 +1,112 @@
#
-# like built-in type "file", but gets gracefully ignored if the target does not exist or is undefined.
+# Works like the built-in type "file", but gets gracefully ignored if the target/source does not exist or is undefined.
#
-# /bin/true and /usr/bin/test are hardcoded to their paths in debian.
+# Also, if the source or target doesn't exist, and the destination is a git repo, then the file is restored from git.
+#
+# All executable paths are hardcoded to their paths in debian.
+#
+# known limitations:
+# * this is far too noisy
+# * $restore does not work for directories
+# * only file:// $source is supported
+# * $content is not supported, only $target or $source.
+# * does not auto-require all the parent directories like 'file' does
#
-
define try::file (
$ensure = undef,
$target = undef,
+ $source = undef,
+ $owner = undef,
+ $group = undef,
+ $recurse = undef,
+ $purge = undef,
+ $force = undef,
+ $mode = undef,
$restore = true) {
- if $target != undef {
- exec { "check_${name}":
- command => "/bin/true",
- onlyif => "/usr/bin/test -e '${target}'",
- loglevel => info;
+ # dummy exec to propagate requires:
+ # metaparameter 'require' will get triggered by this dummy exec
+ # so then we just need to depend on this to capture all requires.
+ # exec { $name: command => "/bin/true" }
+
+ exec {
+ "chmod_${name}":
+ command => "/bin/chmod -R ${mode} '${name}'",
+ onlyif => "/usr/bin/test $mode",
+ refreshonly => true,
+ loglevel => debug;
+ "chown_${name}":
+ command => "/bin/chown -R ${owner} '${name}'",
+ onlyif => "/usr/bin/test $owner",
+ refreshonly => true,
+ loglevel => debug;
+ "chgrp_${name}":
+ command => "/bin/chgrp -R ${group} '${name}'",
+ onlyif => "/usr/bin/test $group",
+ refreshonly => true,
+ loglevel => debug;
+ }
+
+ if $target {
+ exec { "symlink_${name}":
+ command => "/bin/ln -s ${target} ${name}",
+ onlyif => "/usr/bin/test -d '${target}'",
}
- file { "$name":
- ensure => $ensure,
- target => $target,
- require => $require ? {
- undef => Exec["check_${name}"],
- default => [ $require, Exec["check_${name}"] ]
- },
- loglevel => info;
+ } elsif $source {
+ if $ensure == 'directory' {
+ if $purge {
+ exec { "rsync_${name}":
+ command => "/usr/bin/rsync -r --delete '${source}/' '${name}'",
+ onlyif => "/usr/bin/test -d '${source}'",
+ unless => "/usr/bin/diff -rq '${source}' '${name}'",
+ notify => [Exec["chmod_${name}"], Exec["chown_${name}"], Exec["chgrp_${name}"]]
+ }
+ } else {
+ exec { "cp_r_${name}":
+ command => "/bin/cp -r '${source}' '${name}'",
+ onlyif => "/usr/bin/test -d '${source}'",
+ unless => "/usr/bin/diff -rq '${source}' '${name}'",
+ notify => [Exec["chmod_${name}"], Exec["chown_${name}"], Exec["chgrp_${name}"]]
+ }
+ }
+ } else {
+ exec { "cp_${name}":
+ command => "/bin/cp --remove-destination '${source}' '${name}'",
+ onlyif => "/usr/bin/test -e '${source}'",
+ unless => "/usr/bin/test ! -h '${name}' && /usr/bin/diff -q '${source}' '${name}'",
+ notify => [Exec["chmod_${name}"], Exec["chown_${name}"], Exec["chgrp_${name}"]]
+ }
}
}
#
- # if the target does not exist (or is undef), and the file happens to be in a git repo,
+ # if the target/source does not exist (or is undef), and the file happens to be in a git repo,
# then restore the file to its original state.
#
- if $target == undef or $restore {
+
+ if $target {
+ $target_or_source = $target
+ } else {
+ $target_or_source = $source
+ }
+
+ if ($target_or_source == undef) or $restore {
$file_basename = basename($name)
$file_dirname = dirname($name)
$command = "git rev-parse && unlink '${name}'; git checkout -- '${file_basename}' && chown --reference='${file_dirname}' '${name}'; true"
debug($command)
- if $target == undef {
+ if $target_or_source == undef {
exec { "restore_${name}":
command => $command,
cwd => $file_dirname,
- require => $require ? {
- undef => undef,
- default => [ $require ]
- },
loglevel => info;
}
} else {
exec { "restore_${name}":
- unless => "/usr/bin/test -e '${target}'",
+ unless => "/usr/bin/test -e '${target_or_source}'",
command => $command,
cwd => $file_dirname,
- require => $require ? {
- undef => undef,
- default => [ $require ]
- },
loglevel => info;
}
}