X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=source%2Fsteps%2FInstallBootstrapFS.py;h=39c8eccfd5d1a3f900eaf8fe03c9d67e83ef6c27;hb=fe23760f25714e4e5b1d62a1765bd69a621677bc;hp=291ffa67fdd2ab2eeef077c6da7469dde9d0fcbf;hpb=058804ef1dd26ffb3f230b9a93f1e170e6e87291;p=bootmanager.git diff --git a/source/steps/InstallBootstrapFS.py b/source/steps/InstallBootstrapFS.py index 291ffa6..39c8ecc 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. # @@ -10,6 +10,8 @@ import os, sys, string import popen2 import shutil +import traceback +import time from Exceptions import * import utils @@ -19,15 +21,12 @@ import BootAPI 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: @@ -49,14 +48,12 @@ def Run( vars, log ): if PARTITIONS == None: raise ValueError, "PARTITIONS" - SUPPORT_FILE_DIR= vars["SUPPORT_FILE_DIR"] - if SUPPORT_FILE_DIR == None: - raise ValueError, "SUPPORT_FILE_DIR" - NODE_ID= vars["NODE_ID"] if NODE_ID == "": raise ValueError, "NODE_ID" + VERSION=vars['VERSION'] or 'unknown' + except KeyError, var: raise BootManagerException, "Missing variable in vars: %s\n" % var except ValueError, var: @@ -72,7 +69,7 @@ def Run( vars, log ): log.write( "Missing partition in PARTITIONS: %s\n" % 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 ) @@ -90,85 +87,71 @@ def Run( vars, log ): vars['ROOT_MOUNTED']= 1 - # 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'], ['groupname'])) - nodegroupnames = [ nodegroup['groupname'].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) if that fails, set to planetlab-i386 + # call getNodeFlavour try: - (pldistro,arch) = file("/etc/planetlab/nodefamily").read().strip().split("-") + node_flavour = BootAPI.call_api_function(vars, "GetNodeFlavour", (NODE_ID,) ) + nodefamily = node_flavour['nodefamily'] + extensions = node_flavour['extensions'] + plain = node_flavour['plain'] 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 - - # download and extract support tarball for this step, which has - # everything we need to successfully run - - # 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) + raise BootManagerException ("Could not call GetNodeFlavour - need PLCAPI-5.0") + + # the 'plain' option is for tests mostly + 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=%s\n"%(nodefamily)) + if not extensions: + log.write("Installing only core software\n") + else: + log.write("Requested extensions %r" % extensions) + + bootstrapfs_names = [ nodefamily ] + extensions + + for name in bootstrapfs_names: + tarball = "bootstrapfs-%s%s"%(name,download_suffix) + source_file= "/boot/%s" % (tarball) dest_file= "%s/%s" % (SYSIMG_PATH, tarball) + source_hash_file= "/boot/%s.sha1sum" % (tarball) + dest_hash_file= "%s/%s.sha1sum" % (SYSIMG_PATH, tarball) + # 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) + if result: + # Download SHA1 checksum file + log.write( "downloading sha1sum for %s\n"%source_file) + result = bs_request.DownloadFile( source_hash_file, None, None, + 1, 1, dest_hash_file, + 30, 14400) + + log.write( "verifying sha1sum for %s\n"%source_file) + if not utils.check_file_hash(dest_file, dest_hash_file): + raise BootManagerException, "FATAL: SHA1 checksum does not match between %s and %s" % (source_file, source_hash_file) + log.write( "extracting %s in %s\n" % (dest_file,SYSIMG_PATH) ) - result= utils.sysexec( "tar -C %s -xpjf %s" % (SYSIMG_PATH,dest_file), log ) + result = utils.sysexec( "tar -C %s -xpf %s %s" % (SYSIMG_PATH,dest_file,uncompress_option), log ) log.write( "Done\n") utils.removefile( dest_file ) else: # the main tarball is required - if bootstrapfs_name == pldistro: - raise BootManagerException, "Unable to download main tarball %s from server." % \ + if name == nodefamily: + raise BootManagerException, "FATAL: Unable to download main tarball %s from server." % \ 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 %s not found\n"%(name)) # copy resolv.conf from the base system into our temp dir # so DNS lookups work correctly while we are chrooted @@ -199,40 +182,15 @@ def Run( vars, log ): 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") + " >%s/etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab" % (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",'w') + now=time.strftime("%Y-%b-%d @ %H:%M %Z", time.gmtime()) + stamp.write("Hard drive installed by BootManager %s\n"%VERSION) + stamp.write("Finished extraction of bootstrapfs on %s\n"%now) + stamp.write("Using nodefamily %s\n"%nodefamily) + stamp.close() return 1