X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=source%2Fsteps%2FInstallBootstrapFS.py;h=9180e55dcdac21e25f41196a52c4c1c30aef75b3;hb=f52080486db907ba6557d1047730c638c4562790;hp=2c49acc5ad8c8cbc1daa5bcb520facbbb13310b1;hpb=9807dbe301e4e078c07bff4df81ff33811a5cca7;p=bootmanager.git diff --git a/source/steps/InstallBootstrapFS.py b/source/steps/InstallBootstrapFS.py index 2c49acc..9180e55 100644 --- a/source/steps/InstallBootstrapFS.py +++ b/source/steps/InstallBootstrapFS.py @@ -1,5 +1,5 @@ #!/usr/bin/python - +# # Copyright (c) 2003 Intel Corporation # All rights reserved. # @@ -7,10 +7,11 @@ # 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 @@ -18,17 +19,14 @@ import BootServerRequest import BootAPI -def Run( vars, log ): +def Run(vars, 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 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: @@ -38,203 +36,185 @@ def Run( vars, log ): are mounted. """ - log.write( "\n\nStep: Install: bootstrapfs tarball.\n" ) + log.write("\n\nStep: Install: bootstrapfs tarball.\n") # 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(vars) + bs_request = BootServerRequest.BootServerRequest(vars) - log.write( "turning on swap space\n" ) - utils.sysexec( "swapon %s" % PARTITIONS["swap"], log ) + log.write("turning on swap space\n") + utils.sysexec("swapon {}".format(PARTITIONS["swap"]), log) # make sure the sysimg dir is present - utils.makedirs( SYSIMG_PATH ) - - log.write( "mounting root file system\n" ) - utils.sysexec( "mount -t ext3 %s %s" % (PARTITIONS["root"],SYSIMG_PATH), 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 ) - - vars['ROOT_MOUNTED']= 1 - - # which extensions are we part of ? - utils.breakpoint("Checking for the extension(s) tags") - extensions = [] - try: - extension_tag = BootAPI.call_api_function(vars, "GetNodeExtensions", (NODE_ID,) ) - if extension_tag: - extensions = extension_tag.split() - - except: - log.write("WARNING : Failed to query tag 'extensions'\n") - log.write(traceback.format_exc()) + 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'] + # 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") - - # check if the plain-bootstrapfs tag is set - download_suffix=".tar.bz2" - untar_option="-j" - try: - if BootAPI.call_api_function (vars, "GetNodePlainBootstrapfs", (NODE_ID,) ): - download_suffix=".tar" - untar_option="" - except: - log.write("WARNING : Failed to query tag 'plain-bootstrapfs'\n") - log.write(traceback.format_exc()) - - if not untar_option: - log.write("Using uncompressed bootstrapfs images\n") - - # see also GetBootMedium in PLCAPI that does similar things - # figuring the default node family: - # (1) get node's tags 'arch' and 'pldistro' - # (2) if unsuccessful search /etc/planetlab/nodefamily on the bootcd - # (3) if that fails, set to planetlab-i386 - - try: - api_pldistro = BootAPI.call_api_function(vars, "GetNodePldistro", (NODE_ID,) ) - except: - log.write("WARNING : Failed to query tag 'pldistro'\n") - api_pldistro = None - try: - api_arch = BootAPI.call_api_function(vars, "GetNodeArch", (NODE_ID,) ) - except: - log.write("WARNING : Failed to query tag 'arch'\n") - api_arch = None - try: - (etc_pldistro,etc_arch) = file("/etc/planetlab/nodefamily").read().strip().split("-") - except: - log.write("WARNING : Failed to parse /etc/planetlab/nodefamily\n") - (etc_pldistro,etc_arch)=(None,None) - default_pldistro="planetlab" - default_arch="i386" - - if api_pldistro: - pldistro = api_pldistro - log.write ("Using pldistro from pldistro API tag\n") - elif etc_pldistro: - pldistro = etc_pldistro - log.write ("Using pldistro from /etc/planetlab/nodefamily\n") + log.write("Installing only core software\n") else: - pldistro = default_pldistro - log.write ("Using default pldistro\n") - - if api_arch: - arch = api_arch - log.write ("Using arch from arch API tag\n") - elif etc_arch: - arch = etc_arch - log.write ("Using arch from /etc/planetlab/nodefamily\n") - else: - arch = default_arch - log.write ("Using default arch\n") - - log.write ("Using nodefamily=%s-%s\n"%(pldistro,arch)) - - bootstrapfs_names = [ pldistro ] + extensions + 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%s"%(bootstrapfs_name,arch,download_suffix) - 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 -xpf %s %s" % (SYSIMG_PATH,dest_file,untar_option), 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 print 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(SYSIMG_PATH, "rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab") - - # the yum config has changed entirely; - # in addition yum installs have more or less never worked - let's forget about this - # maybe NodeManager could profitably do the job instead - if yum_extensions: - log.write("WARNING : yum installs for node extensions are not supported anymore\n") + # 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)) + stamp.write("Using nodefamily {}\n".format(nodefamily)) + stamp.close() return 1