Add pharos-validator tool

Change-Id: I38e077c2c90059e39ee9871abf5d867a875827a3
Signed-off-by: Todd Gaunt <singularik@iol.unh.edu>

1 files changed, 64 insertions, 0 deletions

diff --git a/pharos-validator/src/pxe_initrd/src/bin/initial_network.py b/pharos-validator/src/pxe_initrd/src/bin/initial_network.py
new file mode 100755
index 0000000..6c98f6f
--- /dev/null
+++ b/pharos-validator/src/pxe_initrd/src/bin/initial_network.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+# bin/setup_interface
+
+# -----------------------------------------------------------------------
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#        http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# ------------------------------------------------------------------------
+
+# Author: Todd Gaunt, toddgaunt@iol.unh.edu or toddgaunt@gmail.com
+# License: Apache v2.0
+# Description: Script for setting up initial network interfaces
+# it activates dhcp on all interfaces in order to at least get the admin
+# network up
+
+import os
+import subprocess
+import netifaces
+
+def generate_interfaces_file(ifaces, os_network_file):
+    """Takes a list of interfaces and a location to save a network
+    interfaces file"""
+    interfaces = ""
+    for i in ifaces:
+        n = "auto " + str(i) + "\n" \
+            + "iface " + str(i) + " inet dhcp\n"
+        interfaces += n
+    return interfaces
+
+def set_interfaces_up(ifaces):
+    """Uses ifup command to put network devices up according to
+    interfaces file"""
+    for iface in ifaces:
+        ifupcmd = [ \
+                "ifup",
+                iface]
+        ifdowncmd = [ \
+                "ifdown",
+                iface]
+        with open(os.devnull, 'w') as fn:
+            status = subprocess.Popen(ifdowncmd, stdout=fn, stderr=fn).wait()
+            status = subprocess.Popen(ifupcmd, stdout=fn, stderr=fn).wait()
+        print(str(iface) + " " + str(status))
+
+def main():
+    os_network_file="/etc/network/interfaces"
+    ifaces = netifaces.interfaces()
+    interfaces = generate_interfaces_file(ifaces, os_network_file)
+    with open(os_network_file, 'w') as fd:
+        fd.write(interfaces)
+    set_interfaces_up(ifaces)
+
+if __name__ == "__main__":
+    main()