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-rwxr-xr-xec2-set-apt-sources.py44
1 files changed, 32 insertions, 12 deletions
diff --git a/ec2-set-apt-sources.py b/ec2-set-apt-sources.py
index 0cf4f09d..46ca0a48 100755
--- a/ec2-set-apt-sources.py
+++ b/ec2-set-apt-sources.py
@@ -21,8 +21,21 @@
import os
import sys
import urllib
+import socket
+import apt
+import apt_pkg
from Cheetah.Template import Template
+def checkServer():
+ s = socket.socket()
+ try:
+ address = '169.254.169.254'
+ port = 80
+ s.connect((address,port))
+ except socket.error, e:
+ print "!!! Unable to connect to %s." % address
+ sys.exit(0)
+
def detectZone():
api_ver = '2008-02-01'
metadat = None
@@ -36,18 +49,25 @@ def detectZone():
return(archive)
-t = os.popen("lsb_release -c").read()
-codename = t.split()
-mirror = detectZone()
-distro = codename[1]
+def updateList():
+ mirror = detectZone()
+ if not os.path.exists("/var/run/ec2/sources.lists"):
+ t = os.popen("lsb_release -c").read()
+ codename = t.split()
+ distro = codename[1]
-mp = {'mirror' : mirror, 'codename' : distro}
-t = Template(file="/etc/ec2-init/templates/sources.list.tmpl", searchList=[mp])
+ mp = {'mirror' : mirror, 'codename' : distro}
+ t = Template(file="/etc/ec2-init/templates/sources.list.tmpl", searchList=[mp])
+ f = open("/var/run/ec2/sources.list", "w")
+ f.write('%s' %(t))
+ f.close()
-f = open("/var/run/ec2/sources.list", "w")
-f.write('%s' %(t))
-f.close()
+ if not os.path.exists("/etc/apt/sources.list-ec2-init"):
+ os.system("mv /etc/apt/sources.list /etc/apt/sources.list-ec2-init")
+ os.symlink("/var/run/ec2/sources.list", "/etc/apt/sources.list")
+ cache = apt.Cache(apt.progress.OpProgress())
+ prog = apt.progress.FetchProgress()
+ cache.update(prog)
-os.system("mv /etc/apt/sources.list /etc/apt/sources.list-ec2-init")
-os.system("ln -s /var/run/ec2/sources.list /etc/apt/sources.list")
-os.system("apt-get update 2>&1 > /dev/null")
+checkServer()
+updateList()