3 # Copyright (c) 2003 Intel Corporation
6 # Copyright (c) 2004-2006 The Trustees of Princeton University
8 # expected /proc/partitions format
10 import os, sys, string
14 from Exceptions import *
16 import BootServerRequest
22 Download enough files to run rpm and yum from a chroot in
23 the system image directory
25 Expect the following variables from the store:
26 SYSIMG_PATH the path where the system image will be mounted
27 PARTITIONS dictionary of generic part. types (root/swap)
28 and their associated devices.
29 SUPPORT_FILE_DIR directory on the boot servers containing
30 scripts and support files
31 NODE_ID the id of this machine
33 Sets the following variables:
34 TEMP_BOOTCD_PATH where the boot cd is remounted in the temp
36 ROOT_MOUNTED set to 1 when the the base logical volumes
40 log.write( "\n\nStep: Install: Bootstrapping RPM.\n" )
42 # make sure we have the variables we need
44 SYSIMG_PATH= vars["SYSIMG_PATH"]
46 raise ValueError, "SYSIMG_PATH"
48 PARTITIONS= vars["PARTITIONS"]
49 if PARTITIONS == None:
50 raise ValueError, "PARTITIONS"
52 SUPPORT_FILE_DIR= vars["SUPPORT_FILE_DIR"]
53 if SUPPORT_FILE_DIR == None:
54 raise ValueError, "SUPPORT_FILE_DIR"
56 NODE_ID= vars["NODE_ID"]
58 raise ValueError, "NODE_ID"
61 raise BootManagerException, "Missing variable in vars: %s\n" % var
62 except ValueError, var:
63 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
67 # make sure the required partitions exist
68 val= PARTITIONS["root"]
69 val= PARTITIONS["swap"]
70 val= PARTITIONS["vservers"]
71 except KeyError, part:
72 log.write( "Missing partition in PARTITIONS: %s\n" % part )
75 bs_request= BootServerRequest.BootServerRequest()
77 log.write( "turning on swap space\n" )
78 utils.sysexec( "swapon %s" % PARTITIONS["swap"], log )
80 # make sure the sysimg dir is present
81 utils.makedirs( SYSIMG_PATH )
83 log.write( "mounting root file system\n" )
84 utils.sysexec( "mount -t ext3 %s %s" % (PARTITIONS["root"],SYSIMG_PATH), log )
86 log.write( "mounting vserver partition in root file system\n" )
87 utils.makedirs( SYSIMG_PATH + "/vservers" )
88 utils.sysexec( "mount -t ext3 %s %s/vservers" % (PARTITIONS["vservers"],
91 vars['ROOT_MOUNTED']= 1
93 # check which nodegroups we are part of (>=4.0)
96 nodes = BootAPI.call_api_function(vars, "GetNodes", ([NODE_ID], ['nodegroup_ids']))
98 nodegroups = BootAPI.call_api_function(vars, "GetNodeGroups", (node['nodegroup_ids'], ['name']))
99 for nodegroup in nodegroups:
100 tarballs.append("PlanetLab-Bootstrap-%s.tar.bz2" % nodegroup['name'].lower())
103 tarballs += ["PlanetLab-Bootstrap.tar.bz2", "alpina-BootstrapRPM.tar.bz2"]
105 # download and extract support tarball for
106 # this step, which has everything
107 # we need to successfully run
108 for step_support_file in tarballs:
109 source_file= "%s/%s" % (SUPPORT_FILE_DIR,step_support_file)
110 dest_file= "%s/%s" % (SYSIMG_PATH, step_support_file)
112 # 30 is the connect timeout, 7200 is the max transfer time
113 # in seconds (2 hours)
114 log.write( "downloading %s\n" % step_support_file )
115 result= bs_request.DownloadFile( source_file, None, None,
119 # New bootstrap tarball contains everything necessary to
120 # boot, no need to bootstrap further.
121 vars['SKIP_INSTALL_BASE']= (step_support_file == "PlanetLab-Bootstrap.tar.bz2")
125 raise BootManagerException, "Unable to download %s from server." % \
128 log.write( "extracting %s in %s\n" % (dest_file,SYSIMG_PATH) )
129 result= utils.sysexec( "tar -C %s -xpjf %s" % (SYSIMG_PATH,dest_file), log )
130 utils.removefile( dest_file )
132 # copy resolv.conf from the base system into our temp dir
133 # so DNS lookups work correctly while we are chrooted
134 log.write( "Copying resolv.conf to temp dir\n" )
135 utils.sysexec( "cp /etc/resolv.conf %s/etc/" % SYSIMG_PATH, log )
137 # Copy the boot server certificate(s) and GPG public key to
138 # /usr/boot in the temp dir.
139 log.write( "Copying boot server certificates and public key\n" )
141 if os.path.exists("/usr/boot"):
142 utils.makedirs(SYSIMG_PATH + "/usr")
143 shutil.copytree("/usr/boot", SYSIMG_PATH + "/usr/boot")
144 elif os.path.exists("/usr/bootme"):
145 utils.makedirs(SYSIMG_PATH + "/usr/boot")
146 boot_server = file("/usr/bootme/BOOTSERVER").readline().strip()
147 shutil.copy("/usr/bootme/cacert/" + boot_server + "/cacert.pem",
148 SYSIMG_PATH + "/usr/boot/cacert.pem")
149 file(SYSIMG_PATH + "/usr/boot/boot_server", "w").write(boot_server)
150 shutil.copy("/usr/bootme/pubring.gpg", SYSIMG_PATH + "/usr/boot/pubring.gpg")
152 # For backward compatibility
153 if os.path.exists("/usr/bootme"):
154 utils.makedirs(SYSIMG_PATH + "/mnt/cdrom")
155 shutil.copytree("/usr/bootme", SYSIMG_PATH + "/mnt/cdrom/bootme")
157 # Import the GPG key into the RPM database so that RPMS can be verified
158 utils.makedirs(SYSIMG_PATH + "/etc/pki/rpm-gpg")
159 utils.sysexec("gpg --homedir=/root --export --armor" \
160 " --no-default-keyring --keyring %s/usr/boot/pubring.gpg" \
161 " >%s/etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab" % (SYSIMG_PATH, SYSIMG_PATH))
162 utils.sysexec("chroot %s rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab" % \