From 67428ad5a66ee57d1212e5af74cb9e9ed81d2c7b Mon Sep 17 00:00:00 2001
From: Scott Moser <smoser@ubuntu.com>
Date: Tue, 29 Jul 2014 09:52:02 -0400
Subject: do not put comments in /etc/timezone

comments in /etc/timezone are not expected, and can cause problems
if another tool tries to read it.

LP: #1341710
---
 cloudinit/distros/__init__.py |  9 +++++++++
 cloudinit/distros/arch.py     | 13 +------------
 cloudinit/distros/debian.py   | 13 +------------
 cloudinit/distros/gentoo.py   | 13 +------------
 4 files changed, 12 insertions(+), 36 deletions(-)

(limited to 'cloudinit/distros')

diff --git a/cloudinit/distros/__init__.py b/cloudinit/distros/__init__.py
index 55d6bcbc..1a56dfb3 100644
--- a/cloudinit/distros/__init__.py
+++ b/cloudinit/distros/__init__.py
@@ -856,3 +856,12 @@ def fetch(name):
     mod = importer.import_module(locs[0])
     cls = getattr(mod, 'Distro')
     return cls
+
+
+def set_etc_timezone(tz, tz_file=None, tz_conf="/etc/timezone",
+                     tz_local="/etc/localtime"):
+    util.write_file(tz_conf, str(tz).rstrip() + "\n")
+    # This ensures that the correct tz will be used for the system
+    if tz_local and tz_file:
+        util.copy(tz_file, self.tz_local_fn)
+    return
diff --git a/cloudinit/distros/arch.py b/cloudinit/distros/arch.py
index 310c3dff..9f11b89c 100644
--- a/cloudinit/distros/arch.py
+++ b/cloudinit/distros/arch.py
@@ -32,8 +32,6 @@ LOG = logging.getLogger(__name__)
 class Distro(distros.Distro):
     locale_conf_fn = "/etc/locale.gen"
     network_conf_dir = "/etc/netctl"
-    tz_conf_fn = "/etc/timezone"
-    tz_local_fn = "/etc/localtime"
     resolve_conf_fn = "/etc/resolv.conf"
     init_cmd = ['systemctl']  # init scripts
 
@@ -161,16 +159,7 @@ class Distro(distros.Distro):
         return hostname
 
     def set_timezone(self, tz):
-        tz_file = self._find_tz_file(tz)
-        # Note: "" provides trailing newline during join
-        tz_lines = [
-            util.make_header(),
-            str(tz),
-            "",
-        ]
-        util.write_file(self.tz_conf_fn, "\n".join(tz_lines))
-        # This ensures that the correct tz will be used for the system
-        util.copy(tz_file, self.tz_local_fn)
+        set_etc_timezone(tz=tz, tz_file=self._find_tz_file(tz))
 
     def package_command(self, command, args=None, pkgs=None):
         if pkgs is None:
diff --git a/cloudinit/distros/debian.py b/cloudinit/distros/debian.py
index 1ae232fd..7cf4a9ef 100644
--- a/cloudinit/distros/debian.py
+++ b/cloudinit/distros/debian.py
@@ -46,8 +46,6 @@ class Distro(distros.Distro):
     hostname_conf_fn = "/etc/hostname"
     locale_conf_fn = "/etc/default/locale"
     network_conf_fn = "/etc/network/interfaces"
-    tz_conf_fn = "/etc/timezone"
-    tz_local_fn = "/etc/localtime"
 
     def __init__(self, name, cfg, paths):
         distros.Distro.__init__(self, name, cfg, paths)
@@ -133,16 +131,7 @@ class Distro(distros.Distro):
         return "127.0.1.1"
 
     def set_timezone(self, tz):
-        tz_file = self._find_tz_file(tz)
-        # Note: "" provides trailing newline during join
-        tz_lines = [
-            util.make_header(),
-            str(tz),
-            "",
-        ]
-        util.write_file(self.tz_conf_fn, "\n".join(tz_lines))
-        # This ensures that the correct tz will be used for the system
-        util.copy(tz_file, self.tz_local_fn)
+        set_etc_timezone(tz=tz, tz_file=self._find_tz_file(tz))
 
     def package_command(self, command, args=None, pkgs=None):
         if pkgs is None:
diff --git a/cloudinit/distros/gentoo.py b/cloudinit/distros/gentoo.py
index 09f8d8ea..c4b02de1 100644
--- a/cloudinit/distros/gentoo.py
+++ b/cloudinit/distros/gentoo.py
@@ -31,8 +31,6 @@ LOG = logging.getLogger(__name__)
 class Distro(distros.Distro):
     locale_conf_fn = "/etc/locale.gen"
     network_conf_fn = "/etc/conf.d/net"
-    tz_conf_fn = "/etc/timezone"
-    tz_local_fn = "/etc/localtime"
     init_cmd = ['']  # init scripts
 
     def __init__(self, name, cfg, paths):
@@ -140,16 +138,7 @@ class Distro(distros.Distro):
         return hostname
 
     def set_timezone(self, tz):
-        tz_file = self._find_tz_file(tz)
-        # Note: "" provides trailing newline during join
-        tz_lines = [
-            util.make_header(),
-            str(tz),
-            "",
-        ]
-        util.write_file(self.tz_conf_fn, "\n".join(tz_lines))
-        # This ensures that the correct tz will be used for the system
-        util.copy(tz_file, self.tz_local_fn)
+        set_etc_timezone(tz=tz, tz_file=self._find_tz_file(tz))
 
     def package_command(self, command, args=None, pkgs=None):
         if pkgs is None:
-- 
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