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authorDaniil Baturin <daniil@baturin.org>2018-05-16 10:46:03 +0700
committerGitHub <noreply@github.com>2018-05-16 10:46:03 +0700
commit97213f4c2e765202f32d99eec880fa69b252a01d (patch)
tree4f59c0009a1285586bce4642179e034d3ee47dd0
parent64caf155434202abfda5909f07f5446124d5e970 (diff)
parent3e3c18c8120bdd41793aefa0f6added6f46b5522 (diff)
downloadvyos-1x-97213f4c2e765202f32d99eec880fa69b252a01d.tar.gz
vyos-1x-97213f4c2e765202f32d99eec880fa69b252a01d.zip
Merge pull request #8 from jbrodriguez/id/hostname
T574: Add new style scripts and definitions for system host-name
-rw-r--r--interface-definitions/host-name.xml22
-rw-r--r--src/conf-mode/vyos-config-host-name.py90
2 files changed, 112 insertions, 0 deletions
diff --git a/interface-definitions/host-name.xml b/interface-definitions/host-name.xml
new file mode 100644
index 000000000..1452a956a
--- /dev/null
+++ b/interface-definitions/host-name.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+
+<!-- host-name configuration -->
+
+<interfaceDefinition>
+ <node name="system">
+ <children>
+ <node name="host-name" owner="${vyos_sbindir}/vyos-config-host-name.py">
+ <properties>
+ <help>System host name (default: vyos)</help>
+ </properties>
+ <children>
+ <leafNode name="hostname">
+ <properties>
+ <help>System host name (default: vyos)</help>
+ </properties>
+ </leafNode>
+ </children>
+ </node>
+ </children>
+ </node>
+</interfaceDefinition> \ No newline at end of file
diff --git a/src/conf-mode/vyos-config-host-name.py b/src/conf-mode/vyos-config-host-name.py
new file mode 100644
index 000000000..da053d9f6
--- /dev/null
+++ b/src/conf-mode/vyos-config-host-name.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import os
+import re
+import sys
+
+from vyos.config import Config
+from vyos.util import ConfigError
+
+hostname_config = "/etc/hostname"
+mailname_config = "/etc/mailname"
+hostname_regex = re.compile("^[A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9]$")
+
+def get_config():
+ conf = Config()
+ conf.set_level("system")
+
+ hostname = conf.return_value("host-name")
+ domain = conf.return_value("domain-name")
+
+ return {
+ "hostname": hostname,
+ "domain": domain
+ }
+
+def verify(config):
+ # check for invalid host
+
+ # pattern $VAR(@) "^[[:alnum:]][-.[:alnum:]]*[[:alnum:]]$" ; "invalid host name $VAR(@)"
+ valid = hostname_regex.match(config.hostname)
+ if (!valid):
+ raise ConfigError('invalid host name' + config.hostname)
+
+ # pattern $VAR(@) "^.{1,63}$" ; "invalid host-name length"
+ length = len(config.hostname)
+ if length < 1 or length > 63:
+ raise ConfigError('invalid host-name length')
+
+ return None
+
+
+def generate(config):
+ mailname = config.hostname
+ if config.domain != "":
+ mailname += '.' + config.domain
+
+ # update /etc/hostname
+ with open(hostname_config, 'w') as f:
+ f.write(config.hostname)
+
+ # update /etc/mailname
+ with open(mailname_config, 'w') as f:
+ f.write(mailname)
+
+ return None
+
+
+def apply(config):
+ # set hostname for the current session
+ cmd = "hostname " + config.hostname
+ os.system(cmd)
+
+ return None
+
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ sys.exit(1)