From c850c0a76b39c22ae0090d4c7e7155e7cc12a62b Mon Sep 17 00:00:00 2001
From: Augustus Kling <augustus.kling@gmail.com>
Date: Tue, 24 Dec 2013 12:29:02 +0100
Subject: [PATCH] Basic handling of locales.
---
system/locale | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 101 insertions(+)
create mode 100644 system/locale
diff --git a/system/locale b/system/locale
new file mode 100644
index 00000000000..350c1449e19
--- /dev/null
+++ b/system/locale
@@ -0,0 +1,101 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+import os
+import os.path
+from subprocess import Popen, PIPE, call
+
+DOCUMENTATION = '''
+---
+module: locale
+short_description: Creates of removes locales.
+description:
+ - Manages locales by editing /etc/locale.gen and invoking locale-gen.
+version_added: "1.5"
+options:
+ name:
+ description:
+ - Name and encoding of the locale, such as "en_GB.UTF-8".
+ required: true
+ default: null
+ aliases: []
+ state:
+ description:
+ - Whether the locale shall be present.
+ required: false
+ choices: ["present", "absent"]
+ default: "present"
+'''
+
+EXAMPLES = '''
+# Ensure a locale exists.
+- locale: name=de_CH.UTF-8 state=present
+'''
+
+# ===========================================
+# location module specific support methods.
+#
+
+def is_present(name):
+ """Checks if the given locale is currently installed."""
+ output = Popen(["locale", "-a"], stdout=PIPE).communicate()[0]
+ return any(fix_case(name) == fix_case(line) for line in output.splitlines())
+
+def fix_case(name):
+ """locale -a might return the encoding in either lower or upper case.
+ Passing through this function makes them uniform for comparisons."""
+ return name.replace(".utf8", ".UTF-8")
+
+def replace_line(existing_line, new_line):
+ """Replaces lines in /etc/locale.gen"""
+ with open("/etc/locale.gen", "r") as f:
+ lines = [line.replace(existing_line, new_line) for line in f]
+ with open("/etc/locale.gen", "w") as f:
+ f.write("".join(lines))
+
+# ==============================================================
+# main
+
+def main():
+
+ module = AnsibleModule(
+ argument_spec = dict(
+ name = dict(required=True),
+ state = dict(choices=['present','absent'], required=True),
+ ),
+ supports_check_mode=True
+ )
+
+ name = module.params['name']
+ if not "." in name:
+ module.fail_json(msg="Locale does not match pattern. Did you specify the encoding?")
+ state = module.params['state']
+
+ if not os.path.exists("/etc/locale.gen"):
+ module.fail_json(msg="/etc/locale.gen missing. Is the package “locales” installed?")
+
+ prev_state = "present" if is_present(name) else "absent"
+ changed = (prev_state!=state)
+
+ if module.check_mode:
+ module.exit_json(changed=changed)
+ else:
+ encoding = name.split(".")[1]
+ if changed:
+ if state=="present":
+ # Create locale.
+ replace_line("# "+name+" "+encoding, name+" "+encoding)
+ else:
+ # Delete locale.
+ replace_line(name+" "+encoding, "# "+name+" "+encoding)
+
+ localeGenExitValue = call("locale-gen")
+ if localeGenExitValue!=0:
+ module.fail_json(msg="locale.gen failed to execute, it returned "+localeGenExitValue)
+
+ module.exit_json(name=name, changed=changed, msg="OK")
+
+# import module snippets
+from ansible.module_utils.basic import *
+
+main()
\ No newline at end of file