toolkit/iso/py/util/iso_utils.py

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"""
Builds ISO's for Rocky Linux.
Louis Abel <label AT rockylinux.org>
"""
import logging
import sys
import os
import os.path
import subprocess
import shlex
import time
import re
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from productmd.common import SortedConfigParser
from common import Color
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from jinja2 import Environment, FileSystemLoader
class IsoBuild:
"""
This helps us build the generic ISO's for a Rocky Linux release. In
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particular, this is for the boot images.
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While there is a function for building the DVD and live images, this not
the main design of this class. The other functions can be called on their
own to facilitate those particular builds.
"""
def __init__(
self,
rlvars,
config,
major,
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rc: bool = False,
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isolation: str = 'auto',
compose_dir_is_here: bool = False,
image=None,
logger=None
):
self.image = image
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self.fullname = rlvars['fullname']
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self.distname = config['distname']
self.shortname = config['shortname']
# Relevant config items
self.major_version = major
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self.compose_dir_is_here = compose_dir_is_here
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self.disttag = config['dist']
self.date_stamp = config['date_stamp']
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self.timestamp = time.time()
self.compose_root = config['compose_root']
self.compose_base = config['compose_root'] + "/" + major
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self.iso_drop = config['compose_root'] + "/" + major + "/isos"
self.current_arch = config['arch']
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self.required_pkgs = rlvars['iso_map']['required_pkgs']
self.mock_work_root = config['mock_work_root']
self.lorax_result_root = config['mock_work_root'] + "/" + "lorax"
self.mock_isolation = isolation
self.iso_map = rlvars['iso_map']
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self.release_candidate = rc
# Relevant major version items
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self.release = rlvars['revision']
self.minor_version = rlvars['revision'].split('.')[1]
self.revision = rlvars['revision'] + "-" + rlvars['rclvl']
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self.rclvl = rlvars['rclvl']
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self.repos = rlvars['iso_map']['repos']
self.repo_base_url = config['repo_base_url']
self.project_id = rlvars['project_id']
self.extra_files = rlvars['extra_files']
self.staging_dir = os.path.join(
config['staging_root'],
config['category_stub'],
self.revision
)
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# Templates
file_loader = FileSystemLoader('templates')
self.tmplenv = Environment(loader=file_loader)
self.compose_latest_dir = os.path.join(
config['compose_root'],
major,
"latest-Rocky-{}".format(major)
)
self.compose_latest_sync = os.path.join(
self.compose_latest_dir,
"compose"
)
self.compose_log_dir = os.path.join(
self.compose_latest_dir,
"work/logs"
)
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self.iso_work_dir = os.path.join(
self.compose_latest_dir,
"work/iso",
config['arch']
)
# This is temporary for now.
if logger is None:
self.log = logging.getLogger("iso")
self.log.setLevel(logging.INFO)
handler = logging.StreamHandler(sys.stdout)
handler.setLevel(logging.INFO)
formatter = logging.Formatter(
'%(asctime)s :: %(name)s :: %(message)s',
'%Y-%m-%d %H:%M:%S'
)
handler.setFormatter(formatter)
self.log.addHandler(handler)
self.log.info('iso build init')
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self.repolist = self.build_repo_list()
self.log.info(self.revision)
def run(self):
work_root = os.path.join(
self.compose_latest_dir,
'work'
)
sync_root = self.compose_latest_sync
log_root = os.path.join(
work_root,
"logs"
)
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self.iso_build()
self.log.info('Compose repo directory: %s' % sync_root)
self.log.info('ISO Build Logs: %s' % log_root)
self.log.info('ISO Build completed.')
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def build_repo_list(self):
"""
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Builds the repo dictionary
"""
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repolist = []
for name in self.repos:
if not self.compose_dir_is_here:
constructed_url = '{}/{}/repo/hashed-{}/{}'.format(
self.repo_base_url,
self.project_id,
name,
self.current_arch
)
else:
constructed_url = 'file://{}/{}/{}/os'.format(
self.compose_latest_sync,
name,
self.current_arch
)
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repodata = {
'name': name,
'url': constructed_url
}
repolist.append(repodata)
return repolist
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def iso_build(self):
"""
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This does the general ISO building for the current running
architecture. This generates the mock config and the general script
needed to get this part running.
"""
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# Check for local build, build accordingly
# Check for arch specific build, build accordingly
# local AND arch cannot be used together, local supersedes. print
# warning.
self.generate_iso_scripts()
print()
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def generate_iso_scripts(self):
"""
Generates the scripts needed to be ran in the mock roots
"""
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self.log.info('Generating ISO configuration and scripts')
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mock_iso_template = self.tmplenv.get_template('isomock.tmpl.cfg')
mock_sh_template = self.tmplenv.get_template('isobuild.tmpl.sh')
iso_template = self.tmplenv.get_template('buildImage.tmpl.sh')
mock_iso_path = '/var/tmp/lorax-' + self.major_version + '.cfg'
mock_sh_path = '/var/tmp/isobuild.sh'
iso_template_path = '/var/tmp/buildImage.sh'
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rclevel = ''
if self.release_candidate:
rclevel = '-' + self.rclvl
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mock_iso_template_output = mock_iso_template.render(
arch=self.current_arch,
major=self.major_version,
fullname=self.fullname,
required_pkgs=self.required_pkgs,
dist=self.disttag,
repos=self.repolist,
user_agent='{{ user_agent }}',
)
mock_sh_template_output = mock_sh_template.render(
arch=self.current_arch,
major=self.major_version,
isolation=self.mock_isolation,
builddir=self.mock_work_root,
shortname=self.shortname,
)
iso_template_output = iso_template.render(
arch=self.current_arch,
major=self.major_version,
minor=self.minor_version,
shortname=self.shortname,
repos=self.repolist,
variant=self.iso_map['variant'],
lorax=self.iso_map['lorax_removes'],
distname=self.distname,
revision=self.release,
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rc=rclevel,
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)
mock_iso_entry = open(mock_iso_path, "w+")
mock_iso_entry.write(mock_iso_template_output)
mock_iso_entry.close()
mock_sh_entry = open(mock_sh_path, "w+")
mock_sh_entry.write(mock_sh_template_output)
mock_sh_entry.close()
iso_template_entry = open(iso_template_path, "w+")
iso_template_entry.write(iso_template_output)
iso_template_entry.close()
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# !!! Send help, we would prefer to do this using the productmd python
# !!! library. If you are reading this and you can help us, please do so!
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def treeinfo_write(self):
"""
Ensure treeinfo is written correctly
"""
print()
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# !!! Send help, we would prefer to do this using the productmd python
# !!! library. If you are reading this and you can help us, please do so!
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def discinfo_write(self):
"""
Ensure discinfo is written correctly
"""
#with open(file_path, "w") as f:
# f.write("%s\n" % self.timestamp)
# f.write("%s\n" % self.fullname)
# f.write("%s\n" % self.arch)
# if disc_numbers:
# f.write("%s\n" % ",".join([str(i) for i in disc_numbers]))
print()
def write_media_repo(self):
"""
Ensure media.repo exists
"""
data = [
"[InstallMedia]",
"name=%s" % self.fullname,
"mediaid=%s" % self.timestamp,
"metadata_expire=-1",
"gpgcheck=0",
"cost=500",
"",
]
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def build_extra_iso(self):
"""
Builds DVD images based on the data created from the initial lorax on
each arch. This should NOT be called during the usual run() section.
"""
print()
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def generate_graft_points(self):
"""
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Get a list of packages for an extras ISO. This should NOT be called
during the usual run() section.
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"""
print()
class LiveBuild:
"""
This helps us build the live images for Rocky Linux.
"""