-#!/usr/bin/python2
-
+#!/usr/bin/python
+#
# Copyright (c) 2003 Intel Corporation
# All rights reserved.
#
# All rights reserved.
# expected /proc/partitions format
-import os, sys, string
+import os, string
import popen2
import shutil
+import traceback
+import time
from Exceptions import *
import utils
+import systeminfo
import BootServerRequest
import BootAPI
-def Run( vars, log ):
+def Run(vars, upgrade, log):
"""
- Download enough files to run rpm and yum from a chroot in
- the system image directory
+ Download core + extensions bootstrapfs tarballs and install on the hard drive
+
+ the upgrade boolean is True when we are upgrading a node root install while
+ preserving its slice contents; in that case we just perform extra cleanup
+ before unwrapping the bootstrapfs
+ this is because the running system may have extraneous files
+ that is to say, files that are *not* present in the bootstrapfs
+ and that can impact/clobber the resulting upgrade
Expect the following variables from the store:
SYSIMG_PATH the path where the system image will be mounted
PARTITIONS dictionary of generic part. types (root/swap)
and their associated devices.
- SUPPORT_FILE_DIR directory on the boot servers containing
- scripts and support files
NODE_ID the id of this machine
Sets the following variables:
are mounted.
"""
- log.write( "\n\nStep: Install: bootstrapfs tarball.\n" )
+ log.write("\n\nStep: Install: bootstrapfs tarball (upgrade={}).\n".format(upgrade))
# make sure we have the variables we need
try:
- SYSIMG_PATH= vars["SYSIMG_PATH"]
+ SYSIMG_PATH = vars["SYSIMG_PATH"]
if SYSIMG_PATH == "":
- raise ValueError, "SYSIMG_PATH"
+ raise ValueError("SYSIMG_PATH")
- PARTITIONS= vars["PARTITIONS"]
+ PARTITIONS = vars["PARTITIONS"]
if PARTITIONS == None:
- raise ValueError, "PARTITIONS"
-
- SUPPORT_FILE_DIR= vars["SUPPORT_FILE_DIR"]
- if SUPPORT_FILE_DIR == None:
- raise ValueError, "SUPPORT_FILE_DIR"
+ raise ValueError("PARTITIONS")
- NODE_ID= vars["NODE_ID"]
+ NODE_ID = vars["NODE_ID"]
if NODE_ID == "":
- raise ValueError, "NODE_ID"
+ raise ValueError("NODE_ID")
- except KeyError, var:
- raise BootManagerException, "Missing variable in vars: %s\n" % var
- except ValueError, var:
- raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
+ VERSION = vars['VERSION'] or 'unknown'
+
+ except KeyError as var:
+ raise BootManagerException("Missing variable in vars: {}\n".format(var))
+ except ValueError as var:
+ raise BootManagerException("Variable in vars, shouldn't be: {}\n".format(var))
try:
# make sure the required partitions exist
- val= PARTITIONS["root"]
- val= PARTITIONS["swap"]
- val= PARTITIONS["vservers"]
- except KeyError, part:
- log.write( "Missing partition in PARTITIONS: %s\n" % part )
+ val = PARTITIONS["root"]
+ val = PARTITIONS["swap"]
+ val = PARTITIONS["vservers"]
+ except KeyError as part:
+ log.write("Missing partition in PARTITIONS: {}\n".format(part))
return 0
- bs_request= BootServerRequest.BootServerRequest()
+ bs_request = BootServerRequest.BootServerRequest(vars)
- log.write( "turning on swap space\n" )
- utils.sysexec( "swapon %s" % PARTITIONS["swap"], log )
-
- # make sure the sysimg dir is present
- utils.makedirs( SYSIMG_PATH )
+ # in upgrade mode, since we skip InstallPartitionDisks
+ # we need to run this
+ if upgrade:
+ log.write("Upgrade mode init : Scanning for devices\n")
+ systeminfo.get_block_devices_dict(vars, log)
+ utils.sysexec_noerr("vgscan --mknodes", log)
+ utils.sysexec_noerr("vgchange -ay", log)
- log.write( "mounting root file system\n" )
- utils.sysexec( "mount -t ext3 %s %s" % (PARTITIONS["root"],SYSIMG_PATH), log )
+ # debugging info - show in either mode
+ utils.display_disks_status(PARTITIONS, "In InstallBootstrapFS", log)
- log.write( "mounting vserver partition in root file system\n" )
- utils.makedirs( SYSIMG_PATH + "/vservers" )
- utils.sysexec( "mount -t ext3 %s %s/vservers" % (PARTITIONS["vservers"],
- SYSIMG_PATH), log )
+ utils.breakpoint("we need to make /dev/mapper/* appear")
- vars['ROOT_MOUNTED']= 1
+ log.write("turning on swap space\n")
+ utils.sysexec("swapon {}".format(PARTITIONS["swap"]), log)
- # check which nodegroups we are part of (>=4.0)
- utils.breakpoint("querying nodegroups for loading extensions")
- try:
- nodes = BootAPI.call_api_function(vars, "GetNodes", ([NODE_ID], ['nodegroup_ids']))
- node = nodes[0]
- nodegroups = BootAPI.call_api_function(vars, "GetNodeGroups", (node['nodegroup_ids'], ['name']))
- nodegroupnames = [ nodegroup['name'].lower() for nodegroup in nodegroups ]
-
- except:
- log.write("WARNING : Failed to query nodegroups - installing only core software\n")
- nodegroupnames = []
- pass
-
- # see also GetBootMedium in PLCAPI that does similar things
- # figuring the default node family:
- # (1) look at /etc/planetlab/nodefamily on the bootcd
- # (2) otherwise use GetPlcRelease()
- # (3) if everything else fails, set to planetlab-i386
- try:
- (pldistro,arch) = file("/etc/planetlab/nodefamily").read().split("-")
- except:
- # fetch the pldistro our myplc was built upon
- try:
- plc_release = BootAPI.call_api_function (vars, "GetPlcRelease",())
- pldistro = plc_release ['build']['planetlab-distro']
- arch = plc_release ['build']['target-arch']
- except:
- (pldistro,arch) = ("planetlab","i386")
-
- # scan nodegroupnames - temporary, as most of this nodegroup-based info
- # should be more adequately defined in the nodes data model
- known_archs = [ 'i386', 'x86_64' ]
- extensions = []
- # (1) if groupname == arch, nodefamily becomes pldistro-groupname
- # (2) else if groupname looks like pldistro-arch, it is taken as a nodefamily
- # (3) otherwise groupname is taken as an extension
- for nodegroupname in nodegroupnames:
- if nodegroupname in known_archs:
- arch = nodegroupname
- else:
- is_nodefamily = False
- for known_arch in known_archs:
- try:
- (api_pldistro,api_arch)=nodegroupname.split("-")
- # sanity check
- if api_arch != known_arch: raise Exception,"mismatch"
- (pldistro,arch) = (api_pldistro, api_arch)
- is_nodefamily = True
- break
- except:
- pass
- if not is_nodefamily:
- extensions.append(nodegroupname)
-
- bootstrapfs_names = [ pldistro ] + extensions
+ # make sure the sysimg dir is present
+ utils.makedirs(SYSIMG_PATH)
+
+ log.write("mounting root file system\n")
+ utils.sysexec("mount -t ext3 {} {}".format(PARTITIONS["root"], SYSIMG_PATH), log)
+
+ fstype = 'ext3' if vars['virt']=='vs' else 'btrfs'
+
+ one_partition = vars['ONE_PARTITION']=='1'
+
+ if (not one_partition):
+ log.write("mounting vserver partition in root file system (type {})\n".format(fstype))
+ utils.makedirs(SYSIMG_PATH + "/vservers")
+ utils.sysexec("mount -t {} {} {}/vservers"\
+ .format(fstype, PARTITIONS["vservers"], SYSIMG_PATH), log)
+
+ #if vars['virt']=='lxc':
+ # NOTE: btrfs quota is supported from version: >= btrfs-progs-0.20 (f18+)
+ # older versions will not recongize the 'quota' command.
+ #log.write("Enabling btrfs quota on {}/vservers\n".format(SYSIMG_PATH))
+ #utils.sysexec_noerr("btrfs quota enable {}/vservers".format(SYSIMG_PATH))
+
+ vars['ROOT_MOUNTED'] = 1
+
+ # this is now retrieved in GetAndUpdateNodeDetails
+ nodefamily = vars['nodefamily']
+ extensions = vars['extensions']
+
+ # in upgrade mode: we need to cleanup the disk to make
+ # it safe to just untar the new bootstrapfs tarball again
+ # on top of the hard drive
+ if upgrade:
+ CleanupSysimgBeforeUpgrade(SYSIMG_PATH, nodefamily, log)
+
+ # the 'plain' option is for tests mostly
+ plain = vars['plain']
+ if plain:
+ download_suffix = ".tar"
+ uncompress_option = ""
+ log.write("Using plain bootstrapfs images\n")
+ else:
+ download_suffix = ".tar.bz2"
+ uncompress_option = "-j"
+ log.write("Using compressed bootstrapfs images\n")
+
+ log.write ("Using nodefamily={}\n".format(nodefamily))
+ if not extensions:
+ log.write("Installing only core software\n")
+ else:
+ log.write("Requested extensions {}\n".format(extensions))
+
+ bootstrapfs_names = [ nodefamily ] + extensions
- # download and extract support tarball for this step, which has
- # everything we need to successfully run
+ for name in bootstrapfs_names:
+ tarball = "bootstrapfs-{}{}".format(name, download_suffix)
+ source_file = "/boot/{}".format(tarball)
+ dest_file = "{}/{}".format(SYSIMG_PATH, tarball)
- # we first try to find a tarball, if it is not found we use yum instead
- yum_extensions = []
- # download and extract support tarball for this step,
- for bootstrapfs_name in bootstrapfs_names:
- tarball = "bootstrapfs-%s-%s.tar.bz2"%(bootstrapfs_name,arch)
- source_file= "%s/%s" % (SUPPORT_FILE_DIR,tarball)
- dest_file= "%s/%s" % (SYSIMG_PATH, tarball)
+ source_hash_file = "/boot/{}.sha1sum".format(tarball)
+ dest_hash_file = "{}/{}.sha1sum".format(SYSIMG_PATH, tarball)
+ time_beg = time.time()
+ log.write("downloading {}\n".format(source_file))
# 30 is the connect timeout, 14400 is the max transfer time in
# seconds (4 hours)
- log.write( "downloading %s\n" % source_file )
- result= bs_request.DownloadFile( source_file, None, None,
+ result = bs_request.DownloadFile(source_file, None, None,
1, 1, dest_file,
30, 14400)
+ time_end = time.time()
+ duration = int(time_end - time_beg)
+ log.write("Done downloading ({} seconds)\n".format(duration))
if result:
- log.write( "extracting %s in %s\n" % (dest_file,SYSIMG_PATH) )
- result= utils.sysexec( "tar -C %s -xpjf %s" % (SYSIMG_PATH,dest_file), log )
- log.write( "Done\n")
- utils.removefile( dest_file )
+ # Download SHA1 checksum file
+ log.write("downloading sha1sum for {}\n".format(source_file))
+ result = bs_request.DownloadFile(source_hash_file, None, None,
+ 1, 1, dest_hash_file,
+ 30, 14400)
+
+ log.write("verifying sha1sum for {}\n".format(source_file))
+ if not utils.check_file_hash(dest_file, dest_hash_file):
+ raise BootManagerException(
+ "FATAL: SHA1 checksum does not match between {} and {}"\
+ .format(source_file, source_hash_file))
+
+
+ time_beg = time.time()
+ log.write("extracting {} in {}\n".format(dest_file, SYSIMG_PATH))
+ result = utils.sysexec("tar -C {} -xpf {} {}".format(SYSIMG_PATH, dest_file, uncompress_option), log)
+ time_end = time.time()
+ duration = int(time_end - time_beg)
+ log.write("Done extracting ({} seconds)\n".format(duration))
+ utils.removefile(dest_file)
else:
# the main tarball is required
- if bootstrapfs_name == pldistro:
- raise BootManagerException, "Unable to download main tarball %s from server." % \
- source_file
+ if name == nodefamily:
+ raise BootManagerException(
+ "FATAL: Unable to download main tarball {} from server."\
+ .format(source_file))
+ # for extensions, just issue a warning
else:
- log.write("tarball for %s-%s not found, scheduling a yum attempt\n"%(bootstrapfs_name,arch))
- yum_extensions.append(bootstrapfs_name)
+ log.write("WARNING: tarball for extension {} not found\n".format(name))
# copy resolv.conf from the base system into our temp dir
# so DNS lookups work correctly while we are chrooted
- log.write( "Copying resolv.conf to temp dir\n" )
- utils.sysexec( "cp /etc/resolv.conf %s/etc/" % SYSIMG_PATH, log )
+ log.write("Copying resolv.conf to temp dir\n")
+ utils.sysexec("cp /etc/resolv.conf {}/etc/".format(SYSIMG_PATH), log)
# Copy the boot server certificate(s) and GPG public key to
# /usr/boot in the temp dir.
- log.write( "Copying boot server certificates and public key\n" )
+ log.write("Copying boot server certificates and public key\n")
if os.path.exists("/usr/boot"):
- utils.makedirs(SYSIMG_PATH + "/usr")
- shutil.copytree("/usr/boot", SYSIMG_PATH + "/usr/boot")
+ # do nothing in case of upgrade
+ if not os.path.exists(SYSIMG_PATH + "/usr/boot"):
+ utils.makedirs(SYSIMG_PATH + "/usr")
+ shutil.copytree("/usr/boot", SYSIMG_PATH + "/usr/boot")
elif os.path.exists("/usr/bootme"):
- utils.makedirs(SYSIMG_PATH + "/usr/boot")
- boot_server = file("/usr/bootme/BOOTSERVER").readline().strip()
- shutil.copy("/usr/bootme/cacert/" + boot_server + "/cacert.pem",
- SYSIMG_PATH + "/usr/boot/cacert.pem")
- file(SYSIMG_PATH + "/usr/boot/boot_server", "w").write(boot_server)
- shutil.copy("/usr/bootme/pubring.gpg", SYSIMG_PATH + "/usr/boot/pubring.gpg")
+ # do nothing in case of upgrade
+ if not os.path.exists(SYSIMG_PATH + "/usr/bootme"):
+ utils.makedirs(SYSIMG_PATH + "/usr/boot")
+ boot_server = file("/usr/bootme/BOOTSERVER").readline().strip()
+ shutil.copy("/usr/bootme/cacert/" + boot_server + "/cacert.pem",
+ SYSIMG_PATH + "/usr/boot/cacert.pem")
+ file(SYSIMG_PATH + "/usr/boot/boot_server", "w").write(boot_server)
+ shutil.copy("/usr/bootme/pubring.gpg", SYSIMG_PATH + "/usr/boot/pubring.gpg")
# For backward compatibility
if os.path.exists("/usr/bootme"):
- utils.makedirs(SYSIMG_PATH + "/mnt/cdrom")
- shutil.copytree("/usr/bootme", SYSIMG_PATH + "/mnt/cdrom/bootme")
-
- # Import the GPG key into the RPM database so that RPMS can be verified
- utils.makedirs(SYSIMG_PATH + "/etc/pki/rpm-gpg")
- utils.sysexec("gpg --homedir=/root --export --armor" \
- " --no-default-keyring --keyring %s/usr/boot/pubring.gpg" \
- " >%s/etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab" % (SYSIMG_PATH, SYSIMG_PATH))
- utils.sysexec("chroot %s rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab" % \
- SYSIMG_PATH)
-
- # yum-based extensions:
- # before we can use yum, yum.conf needs to get installed
- # xxx this should probably depend on the node's nodegroup, at least among alpha, beta ..
- # however there does not seem to be a clear interface for that in yum.conf.php
- # so let's keep it simple for the bootstrap phase, as yum.conf will get overwritten anyway
- if yum_extensions:
- getDict = {'gpgcheck':1,'arch':arch}
- url="PlanetLabConf/yum.conf.php"
- dest="%s/etc/yum.conf"%SYSIMG_PATH
- log.write("downloading bootstrap yum.conf\n")
- yumconf=bs_request.DownloadFile (url,getDict,None,
- 1, 1, dest)
- if not yumconf:
- log.write("Cannot fetch %s from %s - aborting yum extensions"%(dest,url))
- # failures here should not stop the install process
- return 1
-
- # yum also needs /proc to be mounted
- # do it here so as to not break the tarballs-only case
- cmd = "mount -t proc none %s/proc" % SYSIMG_PATH
- utils.sysexec( cmd, log )
- # we now just need to yum groupinstall everything
- for extension in yum_extensions:
- yum_command="yum groupinstall extension%s"%extension
- utils.breakpoint ("before chroot %s %s"%(SYSIMG_PATH,yum_command))
- log.write("Attempting to install extension %s through yum\n"%extension)
- utils.sysexec_noerr("chroot %s %s" % (SYSIMG_PATH,yum_command))
- # xxx how to check that this completed correctly ?
- # let's cleanup
- utils.sysexec_noerr( "umount %s/proc" % SYSIMG_PATH, log )
- utils.breakpoint ("Done with yum extensions")
+ # do nothing in case of upgrade
+ if not os.path.exists(SYSIMG_PATH + "/mnt/cdrom/bootme"):
+ utils.makedirs(SYSIMG_PATH + "/mnt/cdrom")
+ shutil.copytree("/usr/bootme", SYSIMG_PATH + "/mnt/cdrom/bootme")
+
+ # ONE_PARTITION => new distribution type
+ if (vars['ONE_PARTITION'] != '1'):
+ # Import the GPG key into the RPM database so that RPMS can be verified
+ utils.makedirs(SYSIMG_PATH + "/etc/pki/rpm-gpg")
+ utils.sysexec("gpg --homedir=/root --export --armor"
+ " --no-default-keyring --keyring {}/usr/boot/pubring.gpg"
+ " > {}/etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab".format(SYSIMG_PATH, SYSIMG_PATH), log)
+ utils.sysexec_chroot(SYSIMG_PATH, "rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab", log)
+
+ # keep a log on the installed hdd
+ stamp = file(SYSIMG_PATH + "/bm-install.txt", 'a')
+ now = time.strftime("%Y-%b-%d @ %H:%M %Z", time.gmtime())
+ stamp.write("Hard drive installed by BootManager {}\n".format(VERSION))
+ stamp.write("Finished extraction of bootstrapfs on {}\n".format(now))
+ # do not modify this, the upgrade code uses this line for checking compatibility
+ stamp.write("Using nodefamily {}\n".format(nodefamily))
+ stamp.close()
return 1
+
+# the upgrade hook
+def CleanupSysimgBeforeUpgrade(sysimg, target_nodefamily, log):
+
+ areas_to_cleanup = [
+ '/boot',
+ '/usr',
+ '/var',
+ '/etc',
+ '/run',
+ '/vsys',
+ ]
+
+ target_pldistro, target_fcdistro, target_arch = target_nodefamily.split('-')
+
+ # minimal check : not all configurations are possible...
+
+ installed_pldistro, installed_fcdistro, installed_arch = None, None, None
+ installed_virt = None
+ prefix = "Using nodefamily "
+ try:
+ with open("{}/bm-install.txt".format(sysimg)) as infile:
+ for line in infile:
+ if line.startswith(prefix):
+ installed_nodefamily = line.replace(prefix,"").strip()
+ installed_pldistro, installed_fcdistro, installed_arch = installed_nodefamily.split('-')
+ # do not break here, bm-install is additive, we want the last one..
+ with open("{}/etc/planetlab/virt".format(sysimg)) as infile:
+ installed_virt = infile.read().strip()
+ except Exception as e:
+ traceback.print_exc()
+ raise BootManagerException("Could not retrieve data about previous installation - cannot upgrade")
+
+ # moving from vservers to lxc also means another filesystem
+ # so plain reinstall is the only option
+ if installed_virt != 'lxc':
+ message = """Can only upgrade nodes already running lxc containers
+a node running vservers has its /vservers/ partition formatted as ext3
+and we need btrfs to move to containers
+your only option here is reinstall"""
+ raise BootManagerException(message)
+
+ # changing arch is not reasonable either
+ if target_arch != installed_arch:
+ raise BootManagerException("Cannot upgrade from arch={} to arch={}"
+ .format(installed_arch, target_arch))
+
+ if target_pldistro != installed_pldistro:
+ log.write("\nWARNING: upgrading across pldistros {} to {} - might not work well..\n"
+ .format(installed_pldistro, target_pldistro))
+
+ # otherwise at this point we do not do any more advanced checking
+ log.write("\n\nPseudo step CleanupSysimgBeforeUpgrade : cleaning up hard drive\n")
+
+ for area in areas_to_cleanup:
+ utils.sysexec("rm -rf {}/{}".format(sysimg, area))
git://git.onelab.eu / bootmanager.git / blobdiff