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-rw-r--r--manifests/defines/replace.pp25
1 files changed, 25 insertions, 0 deletions
diff --git a/manifests/defines/replace.pp b/manifests/defines/replace.pp
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+# common/manifests/defines/replace.pp -- replace a pattern in a file with a string
+# Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at>
+# See LICENSE for the full license granted to you.
+
+# Usage:
+#
+# # replace the current port in /etc/munin/munin-node.conf
+# # with a new, only disturbing the file when needed
+# replace { set_munin_node_port:
+# file => "/etc/munin/munin-node.conf",
+# pattern => "^port (?!$port)[0-9]*",
+# replacement => "port $port"
+# }
+define replace($file, $pattern, $replacement) {
+ $pattern_no_slashes = slash_escape($pattern)
+ $replacement_no_slashes = slash_escape($replacement)
+ exec { "replace_${pattern}_${file}":
+ command => "/usr/bin/perl -pi -e 's/$pattern_no_slashes/$replacement_no_slashes/' '$file'",
+ onlyif => "/usr/bin/perl -ne 'BEGIN { \$ret = 1; } \$ret = 0 if /$pattern_no_slashes/; END { exit \$ret; }' '$file'",
+ alias => "exec_$name",
+ }
+}
+
+
+