1 files changed, 77 insertions, 0 deletions
diff --git a/cloudinit/handlers/cc_byobu.py b/cloudinit/handlers/cc_byobu.py
new file mode 100644
index 00000000..e821b261
--- /dev/null
+++ b/cloudinit/handlers/cc_byobu.py
@@ -0,0 +1,77 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2009-2010 Canonical Ltd.
+#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
+#
+#    Author: Scott Moser <scott.moser@canonical.com>
+#    Author: Juerg Haefliger <juerg.haefliger@hp.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License version 3, as
+#    published by the Free Software Foundation.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import cloudinit.util as util
+import subprocess
+import traceback
+
+
+def handle(_name, cfg, _cloud, log, args):
+    if len(args) != 0:
+        value = args[0]
+    else:
+        value = util.get_cfg_option_str(cfg, "byobu_by_default", "")
+
+    if not value:
+        return
+
+    if value == "user" or value == "system":
+        value = "enable-%s" % value
+
+    valid = ("enable-user", "enable-system", "enable",
+             "disable-user", "disable-system", "disable")
+    if not value in valid:
+        log.warn("Unknown value %s for byobu_by_default" % value)
+
+    mod_user = value.endswith("-user")
+    mod_sys = value.endswith("-system")
+    if value.startswith("enable"):
+        bl_inst = "install"
+        dc_val = "byobu byobu/launch-by-default boolean true"
+        mod_sys = True
+    else:
+        if value == "disable":
+            mod_user = True
+            mod_sys = True
+        bl_inst = "uninstall"
+        dc_val = "byobu byobu/launch-by-default boolean false"
+
+    shcmd = ""
+    if mod_user:
+        user = util.get_cfg_option_str(cfg, "user", "ubuntu")
+        shcmd += " sudo -Hu \"%s\" byobu-launcher-%s" % (user, bl_inst)
+        shcmd += " || X=$(($X+1)); "
+    if mod_sys:
+        shcmd += "echo \"%s\" | debconf-set-selections" % dc_val
+        shcmd += " && dpkg-reconfigure byobu --frontend=noninteractive"
+        shcmd += " || X=$(($X+1)); "
+
+    cmd = ["/bin/sh", "-c", "%s %s %s" % ("X=0;", shcmd, "exit $X")]
+
+    log.debug("setting byobu to %s" % value)
+
+    try:
+        subprocess.check_call(cmd)
+    except subprocess.CalledProcessError as e:
+        log.debug(traceback.format_exc(e))
+        raise Exception("Cmd returned %s: %s" % (e.returncode, cmd))
+    except OSError as e:
+        log.debug(traceback.format_exc(e))
+        raise Exception("Cmd failed to execute: %s" % (cmd))