/usr/share/pyshared/mic/ec2convert/ec2config.py is in mic2 0.24.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | #!/usr/bin/python -tt
#
# ec2config.py: Convert a virtual appliance image in an EC2 AMI
#
# Copyright 2008, Red Hat Inc.
# Joseph Boggs <jboggs@redhat.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# 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 Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os
import sys
import logging
import random
import shutil
import mic.ec2convert.rpmcheck as rpmcheck
import mic.ec2convert.fs as fs
class EC2Config:
def makedev(self,tmpdir):
os.popen("/sbin/MAKEDEV -d %s/dev -x console" % tmpdir)
os.popen("/sbin/MAKEDEV -d %s/dev -x null" % tmpdir)
os.popen("/sbin/MAKEDEV -d %s/dev -x zero" % tmpdir)
return True
def fstab(self,tmpdir):
logging.info("* - Updating /etc/fstab")
fstab_path = tmpdir + "/etc/fstab"
os.system("touch " + fstab_path)
fstab = open(fstab_path, "w")
ec2_fstab = "/dev/sda1 / ext3 defaults 1 1\n"
ec2_fstab += "/dev/sda2 /mnt ext3 defaults 1 2\n"
ec2_fstab += "/dev/sda3 swap swap defaults 0 0\n"
ec2_fstab += "none /dev/pts devpts gid=5,mode=620 0 0\n"
ec2_fstab += "none /dev/shm tmpfs defaults 0 0\n"
ec2_fstab += "none /proc proc defaults 0 0\n"
ec2_fstab += "none /sys sysfs defaults 0 0\n"
fstab.writelines(ec2_fstab)
fstab.close()
return True
def rclocal_config(self,tmpdir):
rclocal_path = tmpdir + "/etc/rc.local"
rclocal = open(rclocal_path, "w")
logging.info("* - Creating rc.local configuration\n")
ec2_rclocal = "if [ ! -d /root/.ssh ] ; then\n"
ec2_rclocal += "mkdir -p /root/.ssh\n"
ec2_rclocal += "chmod 700 /root/.ssh\n"
ec2_rclocal += "fi\n\n"
ec2_rclocal += " # Fetch public key using HTTP\n"
ec2_rclocal += "curl -f http://169.254.169.254/latest/meta-data/public-keys/0/openssh-key > /tmp/my-key\n"
ec2_rclocal += "if [ $? -eq 0 ] ; then\n"
ec2_rclocal += "cat /tmp/my-key >> /root/.ssh/authorized_keys\n"
ec2_rclocal += "chmod 600 /root/.ssh/authorized_keys\n"
ec2_rclocal += "rm /tmp/my-key\n"
ec2_rclocal += "fi\n\n"
ec2_rclocal += "# or fetch public key using the file in the ephemeral store:\n"
ec2_rclocal += "if [ -e /mnt/openssh_id.pub ] ; then\n"
ec2_rclocal += "cat /mnt/openssh_id.pub >> /root/.ssh/authorized_keys\n"
ec2_rclocal += "chmod 600 /root/.ssh/authorized_keys\n"
ec2_rclocal += "fi\n\n"
ec2_rclocal += "# Update the EC2 AMI creation tools\n"
ec2_rclocal += "echo Updating ec2-ami-tools\n"
ec2_rclocal += "curl -o /tmp/ec2-ami-tools.noarch.rpm http://s3.amazonaws.com/ec2-downloads/ec2-ami-tools.noarch.rpm && \n"
ec2_rclocal += "rpm -Uvh /tmp/ec2-ami-tools.noarch.rpm && \n"
ec2_rclocal += "echo \" + Updated ec2-ami-tools\"\n"
rclocal.writelines(ec2_rclocal)
rclocal.close()
return True
def ssh_config(self,tmpdir):
try:
sshdconfig_path = tmpdir + "/etc/ssh/sshd_config"
sshdconfig = open(sshdconfig_path,"w")
except IOError, (errno, strerror):
logging.error( "%s, %s" % (strerror,sshdconfig_path))
logging.error( "The openssh_server package must be installed to convert and function properly on EC2" )
return False
else:
logging.info("* - Creating ssh configuration")
ec2_sshdconfig = "UseDNS no\n"
ec2_sshdconfig +="PermitRootLogin without-password\n"
sshdconfig.writelines(ec2_sshdconfig)
sshdconfig.close()
return True
def eth0_config(self,tmpdir):
try:
logging.info("* - Creating eth0 configuration")
eth0_path = tmpdir + "/etc/sysconfig/network-scripts/ifcfg-eth0"
os.system("touch %s" % eth0_path)
eth0 = open(eth0_path, "w")
except IOError, (errno, strerror):
logging.info( "%s, %s" % (strerror,eth0_path) )
return False
else:
ec2_eth0 = "ONBOOT=yes\n"
ec2_eth0 += "DEVICE=eth0\n"
ec2_eth0 += "BOOTPROTO=dhcp\n"
eth0.writelines(ec2_eth0)
eth0.close()
os.system("chroot %s /sbin/chkconfig network on" % tmpdir)
logging.info("* - Prevent nosegneg errors")
os.system("echo \"hwcap 0 nosegneg\" > %s/etc/ld.so.conf.d/nosegneg.conf" % tmpdir)
return True
def ami_tools(self,tmpdir):
logging.info("Adding EC2 Tools")
if os.path.isdir(tmpdir + "/home/ec2"):
pass
else:
os.mkdir(tmpdir + "/home/ec2")
ec2td = os.system("curl -o /tmp/ec2-api-tools-1.2-9739.zip http://s3.amazonaws.com/ec2-downloads/ec2-api-tools-1.2-9739.zip")
if ec2td == 0:
os.system("unzip -qo /tmp/ec2-api-tools-1.2-9739.zip -d /home/ec2")
else:
logging.error( "EC2 tools download error!")
return False
return True
def kernel_modules(self,tmpdir):
logging.info("Configure image for accepting the EC2 kernel")
kd = os.system("curl -o /tmp/kernel-xen-2.6.21.7-2.fc8.i686.rpm http://kojipkgs.fedoraproject.org/packages/kernel-xen-2.6/2.6.21.7/2.fc8/i686/kernel-xen-2.6.21.7-2.fc8.i686.rpm")
if kd == 0:
os.system("rpm -ivh --nodeps /tmp/kernel-xen-2.6.21.7-2.fc8.i686.rpm --root=%s" % tmpdir)
else:
logging.error("Kernel download error!")
return False
return True
def convert(imagefile, inputtype, tmpdirectory, checkrpms, sshconfig, newimagepath):
tmpdir = tmpdirectory + "/ec2-convert-" + (''.join(random.sample('123567890abcdefghijklmnopqrstuvwxyz', 8)))
tmpimage = tmpdir + "-tmpimage"
newimage = tmpimage + "/ec2-diskimage.img"
if inputtype == "loopbackfs":
fsutil = fs.LoopbackFSImage()
elif inputtype == "diskimage":
fsutil = fs.LoopBackDiskImage()
elif options.inputtype == "directory":
fsutil = fs.DirectoryImage()
else:
logging.error("No input type was provided")
return False
os.mkdir(tmpdir)
os.mkdir(tmpimage)
if inputtype =="diskimage" or inputtype == "loopbackfs":
logging.info("Copying %s to %s" % (imagefile,tmpimage))
shutil.copy(imagefile,newimage)
fsutil.setup_fs(imagefile,tmpdir)
if checkrpms:
if not rpmcheck.checkpkgs(tmpdir):
return False
config = EC2Config()
# Each method returns TRUE if successful, or false if it failed
# We catch false and return False if we failed.
if not config.makedev(tmpdir):
return False
if not config.fstab(tmpdir):
return False
if not config.rclocal_config(tmpdir):
return False
if not sshconfig:
if config.ssh_config(tmpdir):
return False
if not config.eth0_config(tmpdir):
return False
if not config.ami_tools(tmpdir):
return False
if not config.kernel_modules(tmpdir):
return False
fsutil.unmount(tmpdir)
shutil.move(newimage,newimagepath)
fsutil.cleanup(tmpdir)
return True
|