def install_packages_uml(conn, suite, profile, target):
traits = get_traits(conn, profile)
tp = TraitParent(conn, suite)
pp = TraitPackage(conn, suite)
packages = ' '.join([p.package for p in pp.all_packages(traits, tp)])
os.system('chroot %s apt-get update' % target)
os.system('chroot %s apt-get -y install %s' % (target, packages))
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.machine_data = {}
self.familydata = {}
# It's odd, but running the same
# code for setting debconf selections
# returns a 1 on the preseed process, yet
# returns a 0 when it's done during
# the templates process.
# -- I found the problem, debconf reports
# an error if the question doesn't exist
# yet.
# This attribute helps keep track of the
# problem, and will run the debconf
# selections during the templates
# process, if the value is True.
# I don't really like this, but it seems
# to work for now, so I'm going to leave
# it as is, and come up with a better
# solution later.
self.debconf_problem = False
def install_packages_uml(conn, suite, profile, target):
traits = get_traits(conn, profile)
tp = TraitParent(conn, suite)
pp = TraitPackage(conn, suite)
packages = ' '.join([p.package for p in pp.all_packages(traits, tp)])
os.system('chroot %s apt-get update' % target)
os.system('chroot %s apt-get -y install %s' % (target, packages))
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.machine_data = {}
self.familydata = {}
# It's odd, but running the same
# code for setting debconf selections
# returns a 1 on the preseed process, yet
# returns a 0 when it's done during
# the templates process.
# -- I found the problem, debconf reports
# an error if the question doesn't exist
# yet.
# This attribute helps keep track of the
# problem, and will run the debconf
# selections during the templates
# process, if the value is True.
# I don't really like this, but it seems
# to work for now, so I'm going to leave
# it as is, and come up with a better
# solution later.
self.debconf_problem = False
def __init__(self, conn, suite):
Installer.__init__(self, conn)
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
self.trait_processes = DEFAULT_PROCESSES
if self.defenv.has_option('installer', 'trait_processes'):
self.trait_processes = self.defenv.get_list(
'trait_processes', 'installer')
self._process_map = {
'pre': self._process_pre,
'remove': self._process_remove,
'install': self._process_install,
'templates': self._process_templates,
'config': self._process_config,
'chroot': self._process_chroot,
'reconfig': self._process_reconfig,
'post': self._process_post
}
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
def __init__(self, conn, suite):
Installer.__init__(self, conn)
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
self.trait_processes = DEFAULT_PROCESSES
if self.defenv.has_option('installer', 'trait_processes'):
self.trait_processes = self.defenv.get_list('trait_processes', 'installer')
self._process_map = {
'pre' : self._process_pre,
'remove' : self._process_remove,
'install' : self._process_install,
'templates' : self._process_templates,
'config' : self._process_config,
'chroot' : self._process_chroot,
'reconfig' : self._process_reconfig,
'post' : self._process_post
}
class TraitInstallerHelper(object):
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.machine_data = {}
self.familydata = {}
# It's odd, but running the same
# code for setting debconf selections
# returns a 1 on the preseed process, yet
# returns a 0 when it's done during
# the templates process.
# -- I found the problem, debconf reports
# an error if the question doesn't exist
# yet.
# This attribute helps keep track of the
# problem, and will run the debconf
# selections during the templates
# process, if the value is True.
# I don't really like this, but it seems
# to work for now, so I'm going to leave
# it as is, and come up with a better
# solution later.
self.debconf_problem = False
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self.trait = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
#self.log.info('trait set to %s' % trait)
# helper to run commands in a chroot on the target
def chroot(self, command, failure_suppressed=False):
# we need to remove this if/else when we're sure
# we don't need it anymore
if type(command) is list:
cmd = ['chroot', str(self.target)] + command
else:
cmd = 'chroot %s %s' % (self.target, command)
return runlog(cmd, failure_suppressed=failure_suppressed)
def remove_packages(self, packages):
if packages:
#packages_arg = ' '.join(packages)
#command = 'apt-get -y remove %s' % packages_arg
command = ['apt-get', '-y', 'remove'] + packages
self.chroot(command)
else:
self.log.info('No packages to remove')
def install_packages(self, packages, unauthenticated=False):
if packages:
#packages_arg = ' '.join(packages)
opts = []
if unauthenticated:
opts.append('--allow-unauthenticated')
#command = 'apt-get -y %s install %s' % (opts, packages_arg)
command = ['apt-get', '-y'] + opts + ['install'] + packages
stmt = 'install command for trait %s is: %s' % (self.trait, ' '.join(command))
self.log.info(stmt)
self.chroot(command)
else:
self.log.info('No packages to install')
def remove_cached_debs(self):
archives = self.target / 'var/cache/apt/archives'
partial = archives / 'partial'
debs = archives.listdir('*.deb')
pdebs = partial.listdir('*.deb')
if pdebs:
self.log.warn("we found some partial debs, and this shouldn't happen")
raise RuntimeError , "partial debs found"
all_debs = debs + pdebs
for deb in all_debs:
deb.remove()
if deb.exists():
raise RemoveDebsError, 'Failed to remove %s' % deb
# order of updates is important here
def _update_templatedata(self):
self.traittemplate.template.update(self.familydata)
self.traittemplate.template.update(self.profiledata)
self.traittemplate.template.update(self.machine_data)
def _make_template_common(self, template, tmpl):
sub = self.traittemplate.template.sub()
if tmpl != sub:
self.log.info('template %s subbed' % (template.template))
return sub
def make_template(self, template):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
if tmpl.startswith('##cheetah'):
self.log.info("%s is a cheetah template" % template.template)
self._update_templatedata()
return self._make_template_common(template, tmpl)
def make_template_with_data(self, template, data):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self.traittemplate.template.update(data)
return self._make_template_common(template, tmpl)
# the template argument is a template row
# in retrospect the template column should've been 'filename'
def install_template(self, template, text):
tname = template.template
target_filename = self.target / tname
self.log.info('target template %s' % target_filename)
makepaths(target_filename.dirname())
if target_filename.isfile():
backup_filename = self.target / path('root/paella') / tname
if not backup_filename.isfile():
makepaths(backup_filename.dirname())
target_filename.copy(backup_filename)
self.log.info('template %s backed up' % tname)
else:
msg = 'overwriting previously installed template %s' % tname
self.log.info(msg)
else:
self.log.info('installing NEW template %s' % tname)
target_filename.write_bytes(text)
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
target_filename.chmod(mode)
else:
raise InstallError, 'bad mode %s, please use octal prefixed by 0' % mode
own = ':'.join([template.owner, template.grp_owner])
#command = 'chown %s %s' % (own, path('/') / template.template)
template_path = path('/') / template.template
command = ['chown', own, str(template_path)]
# This command is run in a chroot to make the correct uid, gid
self.chroot(command)
def _check_debconf_destroyed(self, config_path):
if isfile(config_path):
self.log.warn('%s is not supposed to be there' % config_path)
raise InstallDebconfError, '%s is not supposed to be there' % config_path
def set_debconf_selections(self, template):
trait = self.trait
self.log.info('Setting debconf selections for trait %s' % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
msg = "static debconf selections, no substitutions for trait %s" % trait
else:
msg = "debconf selections contain substitutions for trait %s" % trait
self.log.info(msg)
config_path = self.target / 'root/paella_debconf'
self._check_debconf_destroyed(config_path)
config_path.write_text(sub + '\n')
cmd = ['chroot', self.target,
'debconf-set-selections', '-v', '/root/paella_debconf']
try:
retval = runlog(cmd)
except RunLogError:
self.log.info('there was a problem with debconf-set-selections')
self.log.info('command was %s' % ' '.join(cmd))
# make sure that we raise an error if this is not the
# first run of debconf-set-selections
if self.debconf_problem:
msg = "We already had a problem with set_debconf_selections"
raise RuntimeError , msg
self.debconf_problem = True
# we're going to keep these files
# instead of rm'ing them, until I feel
# better about this code. Besides, the
# format of the files has to be just so
# or debconf has problems, so this is a
# good way to figure out what happened.
if False:
os.remove(config_path)
self._check_debconf_destroyed(config_path)
os.rename(config_path, '%s-%s' % (config_path, trait))
def reconfigure_debconf(self, packages):
self.log.info('running reconfigure')
os.environ['DEBIAN_FRONTEND'] = 'noninteractive'
for package in packages:
self.log.info('RECONFIGURING %s' % package)
#self.chroot('dpkg-reconfigure -plow %s' % package)
self.chroot(['dpkg-reconfigure', '-plow', package])
def make_script(self, procname):
script = self.traitscripts.get(procname)
if script is not None:
# special handling for the chroot script to ensure
# it's run in the target chroot
if procname == 'chroot':
tmpscript = make_script(procname, script, self.target, execpath=True)
#return 'chroot %s %s' % (self.target, tmpscript)
return ['chroot', str(self.target), tmpscript]
else:
return make_script(procname, script, self.target, execpath=False)
else:
return None
def get_profile_packages(conn, suite, profile):
traits = get_traits(conn, profile)
tp = TraitParent(conn, suite)
pp = TraitPackage(conn, suite)
packages = [p.package for p in pp.all_packages(traits, tp)]
return packages
class TraitInstallerHelper(object):
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
def remove_packages(self, packages):
packages_arg = ' '.join(packages)
command = 'apt-get -y remove %s' % packages_arg
def install_packages(self, packages, unauthenticated=False):
packages_arg = ' '.join(packages)
opts = ''
if unauthenticated:
opts = '--allow-unauthenticated'
command = 'apt-get -y %s install %s' % (opts, packages_arg)
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self.trait = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
#self.log.info('trait set to %s' % trait)
# the template argument is a template row
# in retrospect the template column should've been 'filename'
def install_template(self, template, text):
target_filename = self.target / template.template
makepaths(target_filename.dirname())
if target_filename.isfile():
backup_filename = self.target / path('root/paella') / template.template
if not backup_filename.isfile():
makepaths(backup_filename.dirname())
target_filename.copy(backup_filename)
target_filename.write_bytes(text)
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
target_filename.chmod(mode)
else:
raise InstallError, 'bad mode %s, please use octal prefixed by 0' % mode
own = ':'.join([template.owner, template.grp_owner])
# This command is run in a chroot to make the correct uid, gid
os.system(self.command('chown', "%s '%s'" %(own, join('/', template.template))))
class TraitInstallerHelper(object):
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self.trait = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
#self.log.info('trait set to %s' % trait)
# helper to run commands in a chroot on the target
def chroot(self, command, failure_suppressed=False):
# we need to remove this if/else when we're sure
# we don't need it anymore
if type(command) is list:
cmd = ['chroot', str(self.target)] + command
else:
cmd = 'chroot %s %s' % (self.target, command)
return runlog(cmd, failure_suppressed=failure_suppressed)
def remove_packages(self, packages):
if packages:
#packages_arg = ' '.join(packages)
#command = 'apt-get -y remove %s' % packages_arg
command = ['apt-get', '-y', 'remove'] + packages
self.chroot(command)
else:
self.log.info('No packages to remove')
def install_packages(self, packages, unauthenticated=False):
if packages:
#packages_arg = ' '.join(packages)
opts = []
if unauthenticated:
opts.append('--allow-unauthenticated')
#command = 'apt-get -y %s install %s' % (opts, packages_arg)
command = ['apt-get', '-y'] + opts + ['install'] + packages
stmt = 'install command for trait %s is: %s' % (self.trait, ' '.join(command))
self.log.info(stmt)
self.chroot(command)
else:
self.log.info('No packages to install')
def remove_cached_debs(self):
archives = self.target / 'var/cache/apt/archives'
partial = archives / 'partial'
debs = archives.listdir('*.deb')
pdebs = partial.listdir('*.deb')
all_debs = debs + pdebs
for deb in all_debs:
deb.remove()
if deb.exists():
raise RemoveDebsError, 'Failed to remove %s' % deb
# order of updates is important here
def _update_templatedata(self):
self.traittemplate.template.update(self.familydata)
self.traittemplate.template.update(self.mtypedata)
self.traittemplate.template.update(self.profiledata)
def _make_template_common(self, template, tmpl):
sub = self.traittemplate.template.sub()
if tmpl != sub:
self.log.info('template %s subbed' % (template.template))
return sub
def make_template(self, template):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
return self._make_template_common(template, tmpl)
def make_template_with_data(self, template, data):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self.traittemplate.template.update(data)
return self._make_template_common(template, tmpl)
# the template argument is a template row
# in retrospect the template column should've been 'filename'
def install_template(self, template, text):
tname = template.template
target_filename = self.target / tname
self.log.info('target template %s' % target_filename)
makepaths(target_filename.dirname())
if target_filename.isfile():
backup_filename = self.target / path('root/paella') / tname
if not backup_filename.isfile():
makepaths(backup_filename.dirname())
target_filename.copy(backup_filename)
self.log.info('template %s backed up' % tname)
else:
msg = 'overwriting previously installed template %s' % tname
self.log.info(msg)
else:
self.log.info('installing NEW template %s' % tname)
target_filename.write_bytes(text)
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
target_filename.chmod(mode)
else:
raise InstallError, 'bad mode %s, please use octal prefixed by 0' % mode
own = ':'.join([template.owner, template.grp_owner])
#command = 'chown %s %s' % (own, path('/') / template.template)
template_path = path('/') / template.template
command = ['chown', own, str(template_path)]
# This command is run in a chroot to make the correct uid, gid
self.chroot(command)
def _check_debconf_destroyed(self, config_path):
if isfile(config_path):
self.log.warn('%s is not supposed to be there' % config_path)
raise InstallDebconfError, '%s is not supposed to be there' % config_path
# here template is the template row
def install_debconf_template(self, template):
trait = self.trait
self.log.info('Installing debconf for %s' % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
msg = 'static debconf, no substitutions for trait %s' % trait
self.log.info(msg)
else:
self.log.info('templated debconf for trait %s' % trait)
config_path = self.target / 'tmp/paella_debconf'
self._check_debconf_destroyed(config_path)
config_path.write_bytes(sub + '\n')
target_path = self.target / 'var/cache/debconf/config.dat'
self.log.info('debconf config is %s %s' % (config_path, target_path))
copy_configdb(config_path, target_path)
os.remove(config_path)
self._check_debconf_destroyed(config_path)
def set_debconf_selections(self, template):
trait = self.trait
self.log.info('Setting debconf selections for trait %s' % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
msg = "static debconf selections, no substitutions for trait %s" % trait
else:
msg = "debconf selections contain substitutions for trait %s" % trait
self.log.info(msg)
config_path = self.target / 'tmp/paella_debconf'
self._check_debconf_destroyed(config_path)
config_path.write_bytes(sub + '\n')
cmd = ['chroot', self.target, 'debconf-set-selections', '/tmp/paella_debconf']
retval = subprocess.call(cmd)
if retval:
raise RuntimeError, "there was a problem with debconf-set-selections"
os.remove(config_path)
self._check_debconf_destroyed(config_path)
def reconfigure_debconf(self, packages):
self.log.info('running reconfigure')
os.environ['DEBIAN_FRONTEND'] = 'noninteractive'
for package in packages:
self.log.info('RECONFIGURING %s' % package)
self.chroot('dpkg-reconfigure -plow %s' % package)
def make_script(self, procname):
script = self.traitscripts.get(procname)
if script is not None:
# special handling for the chroot script to ensure
# it's run in the target chroot
if procname == 'chroot':
tmpscript = make_script(procname, script, self.target, execpath=True)
return 'chroot %s %s' % (self.target, tmpscript)
else:
return make_script(procname, script, self.target, execpath=False)
else:
return None
class TraitInstaller(Installer):
def __init__(self, conn, suite):
Installer.__init__(self, conn)
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
self.trait_processes = DEFAULT_PROCESSES
if self.defenv.has_option('installer', 'trait_processes'):
self.trait_processes = self.defenv.get_list('trait_processes', 'installer')
self._process_map = {
'pre' : self._process_pre,
'remove' : self._process_remove,
'install' : self._process_install,
'templates' : self._process_templates,
'config' : self._process_config,
'chroot' : self._process_chroot,
'reconfig' : self._process_reconfig,
'post' : self._process_post
}
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self._current_trait_ = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
self.log.info('trait set to %s' % self._current_trait_)
def _info(self):
return self._current_trait_, self.packages, self.templates
def _process_pre(self):
self.process_prepost_script('pre', self._current_trait_)
def _process_remove(self):
trait, packages, templates = self._info()
self.process_packages(trait, 'remove', packages)
def _process_install(self):
trait, packages, templates = self._info()
self.process_packages(trait, 'install', packages, templates)
def _process_config(self):
trait, packages, templates = self._info()
script = self._make_script('config')
if script is None:
self.log.info('there is no config script for trait %s' % trait)
else:
self.process_hooked_action(script, 'config', trait)
def _process_generic_script(self, action):
trait, packages, templates = self._info()
script = self._make_script(action)
if script is None:
self.log.info('there is no %s script for trait %s' % (action, trait))
else:
self.process_hooked_action(script, action, trait)
def _process_templates(self):
trait, packages, templates = self._info()
script = self._make_script('templates')
if script is None:
if len(templates):
self.install_templates(templates)
else:
self.process_hooked_action(script, 'templates', trait)
def _process_chroot(self):
trait, packages, templates = self._info()
script = self._make_script('chroot', execpath=True)
if script is not None:
self.log.info('chroot exists for trait %s' % trait)
self.run('chroot-script', script)
if script[0] == '/':
script = script[1:]
os.remove(join(self.target, script))
def _process_reconfig(self):
trait, packages, templates = self._info()
script = self._make_script('reconfig')
if script is None:
self.reconfigure_debconf(packages)
else:
self.process_hooked_action(script, 'reconfig', trait)
def _process_post(self):
self.process_prepost_script('post', self._current_trait_)
def process(self):
trait, packages, templates = self._info()
self.log.info('processing trait: %s' % trait)
if 'PAELLA_TARGET' not in os.environ.keys():
self.log.warn('PAELLA_TARGET not set.')
os.environ['PAELLA_TARGET'] = self.target
machine = None
curenv = {}
if 'PAELLA_MACHINE' in os.environ.keys():
machine = os.environ['PAELLA_MACHINE']
curenv = CurrentEnvironment(self.conn, machine)
if machine is not None:
self.log.info('processing trait %s on machine %s' % (trait, machine))
curenv['current_trait'] = trait
for proc in self.trait_processes:
self.log.info('processing %s for trait %s' % (proc, trait))
curenv['current_trait_process'] = proc
if proc in self._process_map.keys():
self._process_map[proc]()
else:
self._process_generic_script(proc)
self.log.info('%s has been processed for trait %s' % (proc, trait))
def run(self, name, command, args='', proc=False, chroot=True,
keeprunning=False):
tname = 'trait-%s-%s' % (self._current_trait_, name)
self.log.info('running %s' % tname)
runvalue = Installer.run(self, tname, command, args=args, proc=proc,
chroot=chroot)
return runvalue
def runscript(self, script, name, info, chroot=False):
self.log.info(info['start'])
trait = self._current_trait_
self.log.info('running script %s for trait %s' % (script, trait))
runvalue = self.run(name, script, chroot=chroot)
os.remove(script)
self.log.info(info['done'])
# prepost is either 'pre' or 'post'
def process_prepost_script(self, prepost, trait):
script = self._make_script(prepost)
runvalue = 0
if script is not None:
info = dict(start='%s script started' % prepost,
done='%s script done' % prepost)
runvalue = self.runscript(script, '%s-script' % prepost, info)
else:
self.log.info('no %s script for trait %s' % (prepost, trait))
if runvalue:
raise InstallError, 'Error in running %s script for %s' % (prepost, trait)
def process_hooked_action(self, script, action, trait):
self.log.info('%s has been hooked for trait %s' % (action, trait))
info = dict(start='%s script started' % action,
done='%s script done' % action)
runvalue = self.runscript(script, '%s-script' % action, info)
if runvalue:
InstallError, 'hooked action %s failed on trait %s' % (action, trait)
def process_packages(self, trait, action, packages, templates=[]):
script = self._make_script(action)
if script is None:
affected = [p for p in packages if p.action == action]
length = len(affected)
if length:
ing = INGDICT[action]
stmt = '%s %d packages for trait %s' % (ing, length, trait)
self.log.info(stmt)
if action == 'remove':
self.remove(affected)
elif action == 'install':
self.install(affected, templates)
else:
raise InstallError, '%s not implemented in process_packages'
else:
self.process_hooked_action(script, action, trait)
def remove(self, packages):
packages = ' '.join([p.package for p in packages])
command, args = 'apt-get -y remove', packages
runvalue = self.run('remove', command, args=args, proc=True)
if runvalue:
self.log.warn('Problem removing packages %s' % ', '.join(packages))
def install(self, packages, templates):
trait = self._current_trait_
package_args = ' '.join([p.package for p in packages])
#opts = '--force-yes'
opts = ''
if self.defenv.getboolean('installer', 'allow_unauthenticated_packages'):
opts = '--allow-unauthenticated'
cmd = 'apt-get -y %s install %s' % (opts, package_args)
stmt = 'install command for %s is %s' % (trait, cmd)
self.log.info(stmt)
runvalue = self.run('install', cmd, proc=False, keeprunning=False)
if runvalue:
self.log.warn('PROBLEM installing %s' % trait)
self.log.warn('packages --> %s' % package_args)
raise InstallError, 'problem installing packages'
if not self.defenv.getboolean('installer', 'keep_installed_packages'):
runvalue = remove_debs(self.target)
if runvalue:
self.log.warn('PROBLEM removing downloaded debs')
raise InstallError, 'problem removing downloaded debs'
else:
self.log.info('keeping packages for %s' % trait)
def install_templates(self, templates):
trait = self._current_trait_
num = len(templates)
stmt = 'in install_templates, there are %d templates for trait %s' % (num, trait)
self.log.info(stmt)
for t in templates:
if t.template == 'var/cache/debconf/config.dat':
self.log.info('Installing Debconf template ...')
self.install_debconf_template(t)
else:
self.make_template(t)
def configure(self, packages, templates):
trait = self._current_trait_
stmt = 'in configure, there are %d templates for trait %s' % (len(templates), trait)
self.log.info(stmt)
for p in packages:
for t in [t for t in templates if t.package == p.package]:
if t.template == 'var/cache/debconf/config.dat':
self.log.info('Installing Debconf template ...')
self.install_debconf_template(t)
else:
self.make_template(t)
def _make_script(self, name, execpath=False):
script = self.traitscripts.get(name)
if script is not None:
stmt = '%s script exists for trait %s' % (name, self._current_trait_)
self.log.info(stmt)
return make_script(name, script, self.target, execpath=execpath)
else:
return None
def make_template(self, template):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
self._make_template_common(template, tmpl)
def make_template_with_data(self, template, data):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self.traittemplate.template.update(data)
self._make_template_common(template, tmpl)
def _install_template(self, template, text):
target_filename = os.path.join(self.target, template.template)
self.log.info('target template %s' % target_filename)
backup_filename = os.path.join(self.target,
self.paelladir, 'original_files', template.template)
for p in target_filename, backup_filename:
makepaths(os.path.dirname(p))
if os.path.isfile(target_filename):
if not os.path.isfile(backup_filename):
cmd = 'mv %s %s' % (target_filename, os.path.dirname(backup_filename))
os.system(cmd)
self.log.info('template %s backed up' % template.template)
else:
self.log.info('overwriting previously installed template %s' % template.template)
else:
self.log.info('installing new template %s' % template.template)
newfile = file(target_filename, 'w')
newfile.write(text)
newfile.close()
# Set Ownership and Permissions
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
os.chmod(target_filename, mode)
else:
raise InstallError, 'bad mode %s, please use octal prefixed by 0' % mode
own = ':'.join([template.owner, template.grp_owner])
command = 'chown %s %s' % (own, path('/') / template.template)
chroot = 'chroot %s %s' % (self.target, command)
# This command is run in a chroot to make the correct uid, gid
subprocess.call(chroot, shell=True)
def _make_template_common(self, template, tmpl):
sub = self.traittemplate.template.sub()
if tmpl != sub:
self.log.info('template %s subbed' % (template.template))
self._install_template(template, sub)
# order of updates is important here
def _update_templatedata(self):
self.traittemplate.template.update(self.familydata)
self.traittemplate.template.update(self.mtypedata)
self.traittemplate.template.update(self.profiledata)
def install_debconf_template(self, template):
trait = self._current_trait_
self.log.info('Installing debconf for %s' % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
self.log.info('static debconf, no substitutions')
self.log.info('for trait %s ' % trait)
else:
self.log.info('templated debconf for trait %s' % trait)
config_path = join(self.target, 'tmp/paella_debconf')
if isfile(config_path):
self.log.warn('%s is not supposed to be there' % config_path)
raise RuntimeError, '%s is not supposed to be there' % config_path
debconf = file(config_path, 'w')
debconf.write(sub + '\n')
debconf.close()
target_path = join(self.target, 'var/cache/debconf/config.dat')
self.log.info('debconf config is %s %s' % (config_path, target_path))
copy_configdb(config_path, target_path)
os.remove(config_path)
def set_template_path(self, path):
self.traittemplate.template.set_path(path)
def reconfigure_debconf(self, packages):
self.log.info('running reconfigure')
reconfig = [p.package for p in packages if p.action == 'reconfig']
os.environ['DEBIAN_FRONTEND'] = 'noninteractive'
for package in reconfig:
self.log.info('RECONFIGURING %s' % package)
os.system(self.command('dpkg-reconfigure -plow %s' % package))
class TraitInstallerHelper(object):
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
def remove_packages(self, packages):
packages_arg = ' '.join(packages)
command = 'apt-get -y remove %s' % packages_arg
def install_packages(self, packages, unauthenticated=False):
packages_arg = ' '.join(packages)
opts = ''
if unauthenticated:
opts = '--allow-unauthenticated'
command = 'apt-get -y %s install %s' % (opts, packages_arg)
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self.trait = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
#self.log.info('trait set to %s' % trait)
# the template argument is a template row
# in retrospect the template column should've been 'filename'
def install_template(self, template, text):
target_filename = self.target / template.template
makepaths(target_filename.dirname())
if target_filename.isfile():
backup_filename = self.target / path(
'root/paella') / template.template
if not backup_filename.isfile():
makepaths(backup_filename.dirname())
target_filename.copy(backup_filename)
target_filename.write_bytes(text)
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
target_filename.chmod(mode)
else:
raise InstallError, 'bad mode %s, please use octal prefixed by 0' % mode
own = ':'.join([template.owner, template.grp_owner])
# This command is run in a chroot to make the correct uid, gid
os.system(
self.command('chown',
"%s '%s'" % (own, join('/', template.template))))
class TraitInstallerHelper(object):
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.machine_data = {}
self.familydata = {}
# It's odd, but running the same
# code for setting debconf selections
# returns a 1 on the preseed process, yet
# returns a 0 when it's done during
# the templates process.
# -- I found the problem, debconf reports
# an error if the question doesn't exist
# yet.
# This attribute helps keep track of the
# problem, and will run the debconf
# selections during the templates
# process, if the value is True.
# I don't really like this, but it seems
# to work for now, so I'm going to leave
# it as is, and come up with a better
# solution later.
self.debconf_problem = False
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self.trait = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ["PAELLA_TRAIT"] = trait
# self.log.info('trait set to %s' % trait)
# helper to run commands in a chroot on the target
def chroot(self, command, failure_suppressed=False):
# we need to remove this if/else when we're sure
# we don't need it anymore
if type(command) is list:
cmd = ["chroot", str(self.target)] + command
else:
cmd = "chroot %s %s" % (self.target, command)
return runlog(cmd, failure_suppressed=failure_suppressed)
def remove_packages(self, packages):
if packages:
# packages_arg = ' '.join(packages)
# command = 'apt-get -y remove %s' % packages_arg
command = ["apt-get", "-y", "remove"] + packages
self.chroot(command)
else:
self.log.info("No packages to remove")
def install_packages(self, packages, unauthenticated=False):
if packages:
command = install_packages_command(
packages, self.defenv, action="install", loginfo=self.log.info, trait=self.trait
)
self.chroot(command)
else:
self.log.info("No packages to install")
def install_packagesOrig(self, packages, unauthenticated=False):
if packages:
apt_cmd = "apt-get"
apt_opts = ""
if self.defenv.has_option("installer", "apt_command"):
apt_cmd = self.defenv.get("installer", "apt_command")
if self.defenv.has_option("installer", "apt_command_opts"):
apt_opts = self.defenv.get("installer", "apt_command_opts")
# packages_arg = ' '.join(packages)
self.log.info("apt command is %s" % apt_cmd)
opts = apt_opts.split()
unauthenticated_optdict = {"apt-get": "--allow-unauthenticated", "aptitude": "--allow-untrusted"}
if unauthenticated and unauthenticated_optdict[apt_cmd] not in opts:
opts.append(unauthenticated_optdict[apt_cmd])
if "--assume-yes" not in opts:
opts.append("--assume-yes")
if apt_cmd == "aptitude":
if "--add-user-tag" not in opts:
usertag = "paella-trait-%s" % self.trait
opts += ["--add-user-tag", usertag]
full_command = [apt_cmd] + opts + ["install"] + packages
# command = 'apt-get -y %s install %s' % (opts, packages_arg)
# command = ['apt-get', '-y'] + opts + ['install'] + packages
stmt = "install command for trait %s is: %s" % (self.trait, " ".join(full_command))
self.log.info(stmt)
self.chroot(full_command)
else:
self.log.info("No packages to install")
def remove_cached_debs(self):
archives = self.target / "var/cache/apt/archives"
partial = archives / "partial"
debs = archives.listdir("*.deb")
pdebs = partial.listdir("*.deb")
if pdebs:
self.log.error("we found some partial debs, and this shouldn't happen")
raise RuntimeError, "partial debs found"
all_debs = debs + pdebs
for deb in all_debs:
deb.remove()
if deb.exists():
msg = "Failed to remove %s" % deb
self.log.error(msg)
raise RemoveDebsError, msg
# order of updates is important here
def _update_templatedata(self):
self.traittemplate.template.update(self.familydata)
self.traittemplate.template.update(self.profiledata)
self.traittemplate.template.update(self.machine_data)
def _make_template_common(self, template, tmpl):
sub = self.traittemplate.template.sub()
if tmpl != sub:
self.log.info("template %s subbed" % (template.template))
return sub
def make_template(self, template):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
if tmpl.startswith("##cheetah"):
self.log.info("%s is a cheetah template" % template.template)
self._update_templatedata()
return self._make_template_common(template, tmpl)
def make_template_with_data(self, template, data):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self.traittemplate.template.update(data)
return self._make_template_common(template, tmpl)
# the template argument is a template row
# in retrospect the template column should've been 'filename'
def install_template(self, template, text):
tname = template.template
target_filename = self.target / tname
self.log.info("target template %s" % target_filename)
makepaths(target_filename.dirname())
if target_filename.isfile():
backup_filename = self.target / path("root/paella") / tname
if not backup_filename.isfile():
makepaths(backup_filename.dirname())
target_filename.copy(backup_filename)
self.log.info("template %s backed up" % tname)
else:
msg = "overwriting previously installed template %s" % tname
self.log.info(msg)
else:
self.log.info("installing NEW template %s" % tname)
target_filename.write_bytes(text)
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == "0" and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
target_filename.chmod(mode)
else:
msg = "bad mode %s, please use octal prefixed by 0" % mode
self.log.error(msg)
raise InstallError, msg
own = ":".join([template.owner, template.grp_owner])
# command = 'chown %s %s' % (own, path('/') / template.template)
template_path = path("/") / template.template
command = ["chown", own, str(template_path)]
# This command is run in a chroot to make the correct uid, gid
self.chroot(command)
def _check_debconf_destroyed(self, config_path):
if isfile(config_path):
self.log.error("%s is not supposed to be there" % config_path)
raise InstallDebconfError, "%s is not supposed to be there" % config_path
def set_debconf_selections(self, template):
trait = self.trait
self.log.info("Setting debconf selections for trait %s" % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
msg = "static debconf selections, no substitutions for trait %s" % trait
else:
msg = "debconf selections contain substitutions for trait %s" % trait
self.log.info(msg)
config_path = self.target / "root/paella_debconf"
self._check_debconf_destroyed(config_path)
config_path.write_text(sub + "\n")
cmd = ["chroot", self.target, "debconf-set-selections", "-v", "/root/paella_debconf"]
try:
retval = runlog(cmd)
except RunLogError:
self.log.info("there was a problem with debconf-set-selections")
self.log.info("command was %s" % " ".join(cmd))
# make sure that we raise an error if this is not the
# first run of debconf-set-selections
if self.debconf_problem:
msg = "We already had a problem with set_debconf_selections"
self.log.error(msg)
raise RuntimeError, msg
self.debconf_problem = True
# we're going to keep these files
# instead of rm'ing them, until I feel
# better about this code. Besides, the
# format of the files has to be just so
# or debconf has problems, so this is a
# good way to figure out what happened.
if False:
os.remove(config_path)
self._check_debconf_destroyed(config_path)
os.rename(config_path, "%s-%s" % (config_path, trait))
def reconfigure_debconf(self, packages):
self.log.info("running reconfigure")
os.environ["DEBIAN_FRONTEND"] = "noninteractive"
for package in packages:
self.log.info("RECONFIGURING %s" % package)
# self.chroot('dpkg-reconfigure -plow %s' % package)
self.chroot(["dpkg-reconfigure", "-plow", package])
def make_script(self, procname):
script = self.traitscripts.get(procname)
if script is not None:
# special handling for the chroot script to ensure
# it's run in the target chroot
if procname == "chroot":
tmpscript = make_script(procname, script, self.target, execpath=True)
# return 'chroot %s %s' % (self.target, tmpscript)
return ["chroot", str(self.target), tmpscript]
else:
return make_script(procname, script, self.target, execpath=False)
else:
return None
class TraitInstaller(Installer):
def __init__(self, conn, suite):
Installer.__init__(self, conn)
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
self.profiledata = {}
self.mtypedata = {}
self.familydata = {}
self.trait_processes = DEFAULT_PROCESSES
if self.defenv.has_option('installer', 'trait_processes'):
self.trait_processes = self.defenv.get_list(
'trait_processes', 'installer')
self._process_map = {
'pre': self._process_pre,
'remove': self._process_remove,
'install': self._process_install,
'templates': self._process_templates,
'config': self._process_config,
'chroot': self._process_chroot,
'reconfig': self._process_reconfig,
'post': self._process_post
}
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self._current_trait_ = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
self.log.info('trait set to %s' % self._current_trait_)
def _info(self):
return self._current_trait_, self.packages, self.templates
def _process_pre(self):
self.process_prepost_script('pre', self._current_trait_)
def _process_remove(self):
trait, packages, templates = self._info()
self.process_packages(trait, 'remove', packages)
def _process_install(self):
trait, packages, templates = self._info()
self.process_packages(trait, 'install', packages, templates)
def _process_config(self):
trait, packages, templates = self._info()
script = self._make_script('config')
if script is None:
self.log.info('there is no config script for trait %s' % trait)
else:
self.process_hooked_action(script, 'config', trait)
def _process_generic_script(self, action):
trait, packages, templates = self._info()
script = self._make_script(action)
if script is None:
self.log.info('there is no %s script for trait %s' %
(action, trait))
else:
self.process_hooked_action(script, action, trait)
def _process_templates(self):
trait, packages, templates = self._info()
script = self._make_script('templates')
if script is None:
if len(templates):
self.install_templates(templates)
else:
self.process_hooked_action(script, 'templates', trait)
def _process_chroot(self):
trait, packages, templates = self._info()
script = self._make_script('chroot', execpath=True)
if script is not None:
self.log.info('chroot exists for trait %s' % trait)
self.run('chroot-script', script)
if script[0] == '/':
script = script[1:]
os.remove(join(self.target, script))
def _process_reconfig(self):
trait, packages, templates = self._info()
script = self._make_script('reconfig')
if script is None:
self.reconfigure_debconf(packages)
else:
self.process_hooked_action(script, 'reconfig', trait)
def _process_post(self):
self.process_prepost_script('post', self._current_trait_)
def process(self):
trait, packages, templates = self._info()
self.log.info('processing trait: %s' % trait)
if 'PAELLA_TARGET' not in os.environ.keys():
self.log.warn('PAELLA_TARGET not set.')
os.environ['PAELLA_TARGET'] = self.target
machine = None
curenv = {}
if 'PAELLA_MACHINE' in os.environ.keys():
machine = os.environ['PAELLA_MACHINE']
curenv = CurrentEnvironment(self.conn, machine)
if machine is not None:
self.log.info('processing trait %s on machine %s' %
(trait, machine))
curenv['current_trait'] = trait
for proc in self.trait_processes:
self.log.info('processing %s for trait %s' % (proc, trait))
curenv['current_trait_process'] = proc
if proc in self._process_map.keys():
self._process_map[proc]()
else:
self._process_generic_script(proc)
self.log.info('%s has been processed for trait %s' % (proc, trait))
def run(self,
name,
command,
args='',
proc=False,
chroot=True,
keeprunning=False):
tname = 'trait-%s-%s' % (self._current_trait_, name)
self.log.info('running %s' % tname)
runvalue = Installer.run(self,
tname,
command,
args=args,
proc=proc,
chroot=chroot)
return runvalue
def runscript(self, script, name, info, chroot=False):
self.log.info(info['start'])
trait = self._current_trait_
self.log.info('running script %s for trait %s' % (script, trait))
runvalue = self.run(name, script, chroot=chroot)
os.remove(script)
self.log.info(info['done'])
# prepost is either 'pre' or 'post'
def process_prepost_script(self, prepost, trait):
script = self._make_script(prepost)
runvalue = 0
if script is not None:
info = dict(start='%s script started' % prepost,
done='%s script done' % prepost)
runvalue = self.runscript(script, '%s-script' % prepost, info)
else:
self.log.info('no %s script for trait %s' % (prepost, trait))
if runvalue:
raise InstallError, 'Error in running %s script for %s' % (prepost,
trait)
def process_hooked_action(self, script, action, trait):
self.log.info('%s has been hooked for trait %s' % (action, trait))
info = dict(start='%s script started' % action,
done='%s script done' % action)
runvalue = self.runscript(script, '%s-script' % action, info)
if runvalue:
InstallError, 'hooked action %s failed on trait %s' % (action,
trait)
def process_packages(self, trait, action, packages, templates=[]):
script = self._make_script(action)
if script is None:
affected = [p for p in packages if p.action == action]
length = len(affected)
if length:
ing = INGDICT[action]
stmt = '%s %d packages for trait %s' % (ing, length, trait)
self.log.info(stmt)
if action == 'remove':
self.remove(affected)
elif action == 'install':
self.install(affected, templates)
else:
raise InstallError, '%s not implemented in process_packages'
else:
self.process_hooked_action(script, action, trait)
def remove(self, packages):
packages = ' '.join([p.package for p in packages])
command, args = 'apt-get -y remove', packages
runvalue = self.run('remove', command, args=args, proc=True)
if runvalue:
self.log.warn('Problem removing packages %s' % ', '.join(packages))
def install(self, packages, templates):
trait = self._current_trait_
package_args = ' '.join([p.package for p in packages])
#opts = '--force-yes'
opts = ''
if self.defenv.getboolean('installer',
'allow_unauthenticated_packages'):
opts = '--allow-unauthenticated'
cmd = 'apt-get -y %s install %s' % (opts, package_args)
stmt = 'install command for %s is %s' % (trait, cmd)
self.log.info(stmt)
runvalue = self.run('install', cmd, proc=False, keeprunning=False)
if runvalue:
self.log.warn('PROBLEM installing %s' % trait)
self.log.warn('packages --> %s' % package_args)
raise InstallError, 'problem installing packages'
if not self.defenv.getboolean('installer', 'keep_installed_packages'):
runvalue = remove_debs(self.target)
if runvalue:
self.log.warn('PROBLEM removing downloaded debs')
raise InstallError, 'problem removing downloaded debs'
else:
self.log.info('keeping packages for %s' % trait)
def install_templates(self, templates):
trait = self._current_trait_
num = len(templates)
stmt = 'in install_templates, there are %d templates for trait %s' % (
num, trait)
self.log.info(stmt)
for t in templates:
if t.template == 'var/cache/debconf/config.dat':
self.log.info('Installing Debconf template ...')
self.install_debconf_template(t)
else:
self.make_template(t)
def configure(self, packages, templates):
trait = self._current_trait_
stmt = 'in configure, there are %d templates for trait %s' % (
len(templates), trait)
self.log.info(stmt)
for p in packages:
for t in [t for t in templates if t.package == p.package]:
if t.template == 'var/cache/debconf/config.dat':
self.log.info('Installing Debconf template ...')
self.install_debconf_template(t)
else:
self.make_template(t)
def _make_script(self, name, execpath=False):
script = self.traitscripts.get(name)
if script is not None:
stmt = '%s script exists for trait %s' % (name,
self._current_trait_)
self.log.info(stmt)
return make_script(name, script, self.target, execpath=execpath)
else:
return None
def make_template(self, template):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
self._make_template_common(template, tmpl)
def make_template_with_data(self, template, data):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self.traittemplate.template.update(data)
self._make_template_common(template, tmpl)
def _install_template(self, template, text):
target_filename = os.path.join(self.target, template.template)
self.log.info('target template %s' % target_filename)
backup_filename = os.path.join(self.target, self.paelladir,
'original_files', template.template)
for p in target_filename, backup_filename:
makepaths(os.path.dirname(p))
if os.path.isfile(target_filename):
if not os.path.isfile(backup_filename):
cmd = 'mv %s %s' % (target_filename,
os.path.dirname(backup_filename))
os.system(cmd)
self.log.info('template %s backed up' % template.template)
else:
self.log.info('overwriting previously installed template %s' %
template.template)
else:
self.log.info('installing new template %s' % template.template)
newfile = file(target_filename, 'w')
newfile.write(text)
newfile.close()
# Set Ownership and Permissions
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
os.chmod(target_filename, mode)
else:
raise InstallError, 'bad mode %s, please use octal prefixed by 0' % mode
own = ':'.join([template.owner, template.grp_owner])
command = 'chown %s %s' % (own, path('/') / template.template)
chroot = 'chroot %s %s' % (self.target, command)
# This command is run in a chroot to make the correct uid, gid
subprocess.call(chroot, shell=True)
def _make_template_common(self, template, tmpl):
sub = self.traittemplate.template.sub()
if tmpl != sub:
self.log.info('template %s subbed' % (template.template))
self._install_template(template, sub)
# order of updates is important here
def _update_templatedata(self):
self.traittemplate.template.update(self.familydata)
self.traittemplate.template.update(self.mtypedata)
self.traittemplate.template.update(self.profiledata)
def install_debconf_template(self, template):
trait = self._current_trait_
self.log.info('Installing debconf for %s' % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
self.log.info('static debconf, no substitutions')
self.log.info('for trait %s ' % trait)
else:
self.log.info('templated debconf for trait %s' % trait)
config_path = join(self.target, 'tmp/paella_debconf')
if isfile(config_path):
self.log.warn('%s is not supposed to be there' % config_path)
raise RuntimeError, '%s is not supposed to be there' % config_path
debconf = file(config_path, 'w')
debconf.write(sub + '\n')
debconf.close()
target_path = join(self.target, 'var/cache/debconf/config.dat')
self.log.info('debconf config is %s %s' % (config_path, target_path))
copy_configdb(config_path, target_path)
os.remove(config_path)
def set_template_path(self, path):
self.traittemplate.template.set_path(path)
def reconfigure_debconf(self, packages):
self.log.info('running reconfigure')
reconfig = [p.package for p in packages if p.action == 'reconfig']
os.environ['DEBIAN_FRONTEND'] = 'noninteractive'
for package in reconfig:
self.log.info('RECONFIGURING %s' % package)
os.system(self.command('dpkg-reconfigure -plow %s' % package))
class TraitInstallerHelper(object):
def __init__(self, conn, suite, target):
# target should already be a path object
self.target = path(target)
self.trait = None
# setup relation objects
self.traitpackage = TraitPackage(conn, suite)
self.traittemplate = TraitTemplate(conn, suite)
self.traitscripts = TraitScript(conn, suite)
# setup empty variable containers
self.profiledata = {}
self.machine_data = {}
self.familydata = {}
# It's odd, but running the same
# code for setting debconf selections
# returns a 1 on the preseed process, yet
# returns a 0 when it's done during
# the templates process.
# -- I found the problem, debconf reports
# an error if the question doesn't exist
# yet.
# This attribute helps keep track of the
# problem, and will run the debconf
# selections during the templates
# process, if the value is True.
# I don't really like this, but it seems
# to work for now, so I'm going to leave
# it as is, and come up with a better
# solution later.
self.debconf_problem = False
def set_trait(self, trait):
self.traitpackage.set_trait(trait)
self.traittemplate.set_trait(trait)
self.traitscripts.set_trait(trait)
self.trait = trait
self.packages = self.traitpackage.packages()
self.templates = self.traittemplate.templates()
os.environ['PAELLA_TRAIT'] = trait
#self.log.info('trait set to %s' % trait)
# helper to run commands in a chroot on the target
def chroot(self, command, failure_suppressed=False):
# we need to remove this if/else when we're sure
# we don't need it anymore
if type(command) is list:
cmd = ['chroot', str(self.target)] + command
else:
cmd = 'chroot %s %s' % (self.target, command)
return runlog(cmd, failure_suppressed=failure_suppressed)
def remove_packages(self, packages):
if packages:
#packages_arg = ' '.join(packages)
#command = 'apt-get -y remove %s' % packages_arg
command = ['apt-get', '-y', 'remove'] + packages
self.chroot(command)
else:
self.log.info('No packages to remove')
def install_packages(self, packages, unauthenticated=False):
if packages:
command = install_packages_command(packages,
self.defenv,
action='install',
loginfo=self.log.info,
trait=self.trait)
self.chroot(command)
else:
self.log.info('No packages to install')
def install_packagesOrig(self, packages, unauthenticated=False):
if packages:
apt_cmd = 'apt-get'
apt_opts = ''
if self.defenv.has_option('installer', 'apt_command'):
apt_cmd = self.defenv.get('installer', 'apt_command')
if self.defenv.has_option('installer', 'apt_command_opts'):
apt_opts = self.defenv.get('installer', 'apt_command_opts')
#packages_arg = ' '.join(packages)
self.log.info('apt command is %s' % apt_cmd)
opts = apt_opts.split()
unauthenticated_optdict = {
'apt-get': '--allow-unauthenticated',
'aptitude': '--allow-untrusted'
}
if unauthenticated and unauthenticated_optdict[apt_cmd] not in opts:
opts.append(unauthenticated_optdict[apt_cmd])
if '--assume-yes' not in opts:
opts.append('--assume-yes')
if apt_cmd == 'aptitude':
if '--add-user-tag' not in opts:
usertag = 'paella-trait-%s' % self.trait
opts += ['--add-user-tag', usertag]
full_command = [apt_cmd] + opts + ['install'] + packages
#command = 'apt-get -y %s install %s' % (opts, packages_arg)
#command = ['apt-get', '-y'] + opts + ['install'] + packages
stmt = 'install command for trait %s is: %s' % (
self.trait, ' '.join(full_command))
self.log.info(stmt)
self.chroot(full_command)
else:
self.log.info('No packages to install')
def remove_cached_debs(self):
archives = self.target / 'var/cache/apt/archives'
partial = archives / 'partial'
debs = archives.listdir('*.deb')
pdebs = partial.listdir('*.deb')
if pdebs:
self.log.error(
"we found some partial debs, and this shouldn't happen")
raise RuntimeError, "partial debs found"
all_debs = debs + pdebs
for deb in all_debs:
deb.remove()
if deb.exists():
msg = 'Failed to remove %s' % deb
self.log.error(msg)
raise RemoveDebsError, msg
# order of updates is important here
def _update_templatedata(self):
self.traittemplate.template.update(self.familydata)
self.traittemplate.template.update(self.profiledata)
self.traittemplate.template.update(self.machine_data)
def _make_template_common(self, template, tmpl):
sub = self.traittemplate.template.sub()
if tmpl != sub:
self.log.info('template %s subbed' % (template.template))
return sub
def make_template(self, template):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
if tmpl.startswith('##cheetah'):
self.log.info("%s is a cheetah template" % template.template)
self._update_templatedata()
return self._make_template_common(template, tmpl)
def make_template_with_data(self, template, data):
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self.traittemplate.template.update(data)
return self._make_template_common(template, tmpl)
# the template argument is a template row
# in retrospect the template column should've been 'filename'
def install_template(self, template, text):
tname = template.template
target_filename = self.target / tname
self.log.info('target template %s' % target_filename)
makepaths(target_filename.dirname())
if target_filename.isfile():
backup_filename = self.target / path('root/paella') / tname
if not backup_filename.isfile():
makepaths(backup_filename.dirname())
target_filename.copy(backup_filename)
self.log.info('template %s backed up' % tname)
else:
msg = 'overwriting previously installed template %s' % tname
self.log.info(msg)
else:
self.log.info('installing NEW template %s' % tname)
target_filename.write_bytes(text)
mode = template.mode
# a simple attempt to insure mode is a valid octal string
# this is one of the very rare places eval is used
# there are a few strings with 8's and 9's that will pass
# the if statement, but the eval will raise SyntaxError then.
# If the mode is unusable the install will fail at this point.
if mode[0] == '0' and len(mode) <= 7 and mode.isdigit():
mode = eval(mode)
target_filename.chmod(mode)
else:
msg = 'bad mode %s, please use octal prefixed by 0' % mode
self.log.error(msg)
raise InstallError, msg
own = ':'.join([template.owner, template.grp_owner])
#command = 'chown %s %s' % (own, path('/') / template.template)
template_path = path('/') / template.template
command = ['chown', own, str(template_path)]
# This command is run in a chroot to make the correct uid, gid
self.chroot(command)
def _check_debconf_destroyed(self, config_path):
if isfile(config_path):
self.log.error('%s is not supposed to be there' % config_path)
raise InstallDebconfError, '%s is not supposed to be there' % config_path
def set_debconf_selections(self, template):
trait = self.trait
self.log.info('Setting debconf selections for trait %s' % trait)
self.traittemplate.set_template(template.template)
tmpl = self.traittemplate.template.template
self._update_templatedata()
sub = self.traittemplate.template.sub()
if tmpl == sub:
msg = "static debconf selections, no substitutions for trait %s" % trait
else:
msg = "debconf selections contain substitutions for trait %s" % trait
self.log.info(msg)
config_path = self.target / 'root/paella_debconf'
self._check_debconf_destroyed(config_path)
config_path.write_text(sub + '\n')
cmd = [
'chroot', self.target, 'debconf-set-selections', '-v',
'/root/paella_debconf'
]
try:
retval = runlog(cmd)
except RunLogError:
self.log.info('there was a problem with debconf-set-selections')
self.log.info('command was %s' % ' '.join(cmd))
# make sure that we raise an error if this is not the
# first run of debconf-set-selections
if self.debconf_problem:
msg = "We already had a problem with set_debconf_selections"
self.log.error(msg)
raise RuntimeError, msg
self.debconf_problem = True
# we're going to keep these files
# instead of rm'ing them, until I feel
# better about this code. Besides, the
# format of the files has to be just so
# or debconf has problems, so this is a
# good way to figure out what happened.
if False:
os.remove(config_path)
self._check_debconf_destroyed(config_path)
os.rename(config_path, '%s-%s' % (config_path, trait))
def reconfigure_debconf(self, packages):
self.log.info('running reconfigure')
os.environ['DEBIAN_FRONTEND'] = 'noninteractive'
for package in packages:
self.log.info('RECONFIGURING %s' % package)
#self.chroot('dpkg-reconfigure -plow %s' % package)
self.chroot(['dpkg-reconfigure', '-plow', package])
def make_script(self, procname):
script = self.traitscripts.get(procname)
if script is not None:
# special handling for the chroot script to ensure
# it's run in the target chroot
if procname == 'chroot':
tmpscript = make_script(procname,
script,
self.target,
execpath=True)
#return 'chroot %s %s' % (self.target, tmpscript)
return ['chroot', str(self.target), tmpscript]
else:
return make_script(procname,
script,
self.target,
execpath=False)
else:
return None
def get_profile_packages(conn, suite, profile):
traits = get_traits(conn, profile)
tp = TraitParent(conn, suite)
pp = TraitPackage(conn, suite)
packages = [p.package for p in pp.all_packages(traits, tp)]
return packages
