def GetLatestBootstrapUrl():
base_url = 'http://mirrors.kernel.org/archlinux/iso/latest/'
sha1sums = utils.HttpGet(base_url + 'sha1sums.txt')
items = sha1sums.splitlines()
for item in items:
if TARGET_ARCH in item and 'bootstrap' in item:
entries = item.split()
return base_url + entries[1], entries[0]
raise RuntimeError('Cannot find Arch bootstrap url')
def DistroSpecific(g: guestfs.GuestFS):
el_release = utils.GetMetadataAttribute('el_release')
install_gce = utils.GetMetadataAttribute('install_gce_packages')
rhel_license = utils.GetMetadataAttribute('use_rhel_gce_license')
# This must be performed prior to making network calls from the guest.
# Otherwise, if /etc/resolv.conf is present, and has an immutable attribute,
# guestfs will fail with:
#
# rename: /sysroot/etc/resolv.conf to
# /sysroot/etc/i9r7obu6: Operation not permitted
utils.common.ClearEtcResolv(g)
# Some imported images haven't contained `/etc/yum.repos.d`.
if not g.exists('/etc/yum.repos.d'):
g.mkdir('/etc/yum.repos.d')
if rhel_license == 'true':
if 'Red Hat' in g.cat('/etc/redhat-release'):
g.command(['yum', 'remove', '-y', '*rhui*'])
logging.info('Adding in GCE RHUI package.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
yum_install(g, 'google-rhui-client-rhel' + el_release)
if install_gce == 'true':
logging.info('Installing GCE packages.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
if el_release == '6':
if 'CentOS' in g.cat('/etc/redhat-release'):
logging.info('Installing CentOS SCL.')
g.command(['rm', '-f', '/etc/yum.repos.d/CentOS-SCL.repo'])
yum_install(g, 'centos-release-scl')
# Install Google Cloud SDK from the upstream tar and create links for the
# python27 SCL environment.
logging.info('Installing python27 from SCL.')
yum_install(g, 'python27')
logging.info('Installing Google Cloud SDK from tar.')
sdk_base_url = 'https://dl.google.com/dl/cloudsdk/channels/rapid'
sdk_base_tar = '%s/google-cloud-sdk.tar.gz' % sdk_base_url
tar = utils.HttpGet(sdk_base_tar)
g.write('/tmp/google-cloud-sdk.tar.gz', tar)
g.command(
['tar', 'xzf', '/tmp/google-cloud-sdk.tar.gz', '-C', '/tmp'])
sdk_version = g.cat('/tmp/google-cloud-sdk/VERSION').strip()
logging.info('Getting Cloud SDK Version %s', sdk_version)
sdk_version_tar = 'google-cloud-sdk-%s-linux-x86_64.tar.gz' % sdk_version
sdk_version_tar_url = '%s/downloads/%s' % (sdk_base_url,
sdk_version_tar)
logging.info('Getting versioned Cloud SDK tar file from %s',
sdk_version_tar_url)
tar = utils.HttpGet(sdk_version_tar_url)
sdk_version_tar_file = os.path.join('/tmp', sdk_version_tar)
g.write(sdk_version_tar_file, tar)
g.mkdir_p('/usr/local/share/google')
g.command([
'tar', 'xzf', sdk_version_tar_file, '-C',
'/usr/local/share/google', '--no-same-owner'
])
logging.info('Creating CloudSDK SCL symlinks.')
sdk_bin_path = '/usr/local/share/google/google-cloud-sdk/bin'
g.ln_s(os.path.join(sdk_bin_path, 'git-credential-gcloud.sh'),
os.path.join('/usr/bin', 'git-credential-gcloud.sh'))
for binary in ['bq', 'gcloud', 'gsutil']:
binary_path = os.path.join(sdk_bin_path, binary)
new_bin_path = os.path.join('/usr/bin', binary)
bin_str = '#!/bin/bash\nsource /opt/rh/python27/enable\n%s $@' % \
binary_path
g.write(new_bin_path, bin_str)
g.chmod(0o755, new_bin_path)
else:
g.write_append('/etc/yum.repos.d/google-cloud.repo',
repo_sdk % el_release)
yum_install(g, 'google-cloud-sdk')
yum_install(g, 'google-compute-engine', 'google-osconfig-agent')
logging.info('Updating initramfs')
for kver in g.ls('/lib/modules'):
# Although each directory in /lib/modules typically corresponds to a
# kernel version [1], that may not always be true.
# kernel-abi-whitelists, for example, creates extra directories in
# /lib/modules.
#
# Skip building initramfs if the directory doesn't look like a
# kernel version. Emulates the version matching from depmod [2].
#
# 1. https://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/lib.html
# 2. https://kernel.googlesource.com/pub/scm/linux/kernel/git/mmarek/kmod
# /+/tip/tools/depmod.c#2537
if not re.match(r'^\d+.\d+', kver):
logging.debug(
'/lib/modules/{} doesn\'t look like a kernel directory. '
'Skipping creation of initramfs for it'.format(kver))
continue
if not g.exists(os.path.join('/lib/modules', kver, 'modules.dep')):
try:
g.command(['depmod', kver])
except RuntimeError as e:
logging.info(
'Failed to write initramfs for {kver}. If image fails to '
'boot, verify that depmod /lib/modules/{kver} runs on '
'the original machine'.format(kver=kver))
logging.debug('depmod error: {}'.format(e))
continue
if el_release == '6':
# Version 6 doesn't have option --kver
g.command(['dracut', '-v', '-f', kver])
else:
g.command(['dracut', '--stdlog=1', '-f', '--kver', kver])
logging.info('Update grub configuration')
if el_release == '6':
# Version 6 doesn't have grub2, file grub.conf needs to be updated by hand
g.write('/tmp/grub_gce_generated', grub_cfg)
g.sh(r'grep -P "^[\t ]*initrd|^[\t ]*root|^[\t ]*kernel|^[\t ]*title" '
r'/boot/grub/grub.conf >> /tmp/grub_gce_generated;'
r'sed -i "s/console=ttyS0[^ ]*//g" /tmp/grub_gce_generated;'
r'sed -i "/^[\t ]*kernel/s/$/ console=ttyS0,38400n8/" '
r'/tmp/grub_gce_generated;'
r'mv /tmp/grub_gce_generated /boot/grub/grub.conf')
else:
g.write('/etc/default/grub', grub2_cfg)
g.command(['grub2-mkconfig', '-o', '/boot/grub2/grub.cfg'])
# Reset network for DHCP.
logging.info('Resetting network to DHCP for eth0.')
# Remove NetworkManager-config-server if it's present. The package configures
# NetworkManager to *not* use DHCP.
# https://access.redhat.com/solutions/894763
g.command(['yum', 'remove', '-y', 'NetworkManager-config-server'])
g.write('/etc/sysconfig/network-scripts/ifcfg-eth0', ifcfg_eth0)
def DistroSpecific(g):
el_release = utils.GetMetadataParam('el_release')
install_gce = utils.GetMetadataParam('install_gce_packages')
rhel_license = utils.GetMetadataParam('use_rhel_gce_license')
if rhel_license == 'true':
if 'Red Hat' in g.cat('/etc/redhat-release'):
g.command(['yum', 'remove', '-y', '*rhui*'])
logging.info('Adding in GCE RHUI package.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
g.command([
'yum', 'install', '-y',
'google-rhui-client-rhel%s' % el_release
])
if install_gce == 'true':
logging.info('Installing GCE packages.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
if el_release == '7':
g.write_append('/etc/yum.repos.d/google-cloud.repo',
repo_sdk % el_release)
g.command(['yum', '-y', 'install', 'google-cloud-sdk'])
if el_release == '6':
if 'CentOS' in g.cat('/etc/redhat-release'):
logging.info('Installing CentOS SCL.')
g.command(['rm', '-f', '/etc/yum.repos.d/CentOS-SCL.repo'])
g.command(['yum', '-y', 'install', 'centos-release-scl'])
# Install Google Cloud SDK from the upstream tar and create links for the
# python27 SCL environment.
logging.info('Installing python27 from SCL.')
g.command(['yum', '-y', 'install', 'python27'])
g.command([
'scl', 'enable', 'python27',
'pip2.7 install --upgrade google_compute_engine'
])
logging.info('Installing Google Cloud SDK from tar.')
sdk_base_url = 'https://dl.google.com/dl/cloudsdk/channels/rapid'
sdk_base_tar = '%s/google-cloud-sdk.tar.gz' % sdk_base_url
tar = utils.HttpGet(sdk_base_tar)
g.write('/tmp/google-cloud-sdk.tar.gz', tar)
g.command(
['tar', 'xzf', '/tmp/google-cloud-sdk.tar.gz', '-C', '/tmp'])
sdk_version = g.cat('/tmp/google-cloud-sdk/VERSION').strip()
logging.info('Getting Cloud SDK Version %s', sdk_version)
sdk_version_tar = 'google-cloud-sdk-%s-linux-x86_64.tar.gz' % sdk_version
sdk_version_tar_url = '%s/downloads/%s' % (sdk_base_url,
sdk_version_tar)
logging.info('Getting versioned Cloud SDK tar file from %s',
sdk_version_tar_url)
tar = utils.HttpGet(sdk_version_tar_url)
sdk_version_tar_file = os.path.join('/tmp', sdk_version_tar)
g.write(sdk_version_tar_file, tar)
g.mkdir_p('/usr/local/share/google')
g.command([
'tar', 'xzf', sdk_version_tar_file, '-C',
'/usr/local/share/google', '--no-same-owner'
])
logging.info('Creating CloudSDK SCL symlinks.')
sdk_bin_path = '/usr/local/share/google/google-cloud-sdk/bin'
g.ln_s(os.path.join(sdk_bin_path, 'git-credential-gcloud.sh'),
os.path.join('/usr/bin', 'git-credential-gcloud.sh'))
for binary in ['bq', 'gcloud', 'gsutil']:
binary_path = os.path.join(sdk_bin_path, binary)
new_bin_path = os.path.join('/usr/bin', binary)
bin_str = '#!/bin/bash\nsource /opt/rh/python27/enable\n%s $@' % binary_path
g.write(new_bin_path, bin_str)
g.chmod(0755, new_bin_path)
g.command([
'yum', '-y', 'install', 'google-compute-engine',
'python-google-compute-engine'
])
logging.info('Updating initramfs')
for kver in g.ls('/lib/modules'):
if el_release == '6':
# Version 6 doesn't have option --kver
g.command(['dracut', '-v', '-f', kver])
else:
g.command(['dracut', '-v', '-f', '--kver', kver])
logging.info('Update grub configuration')
if el_release == '6':
# Version 6 doesn't have grub2, file grub.conf needs to be updated by hand
g.write('/tmp/grub_gce_generated', grub_cfg)
g.sh(r'grep -P "^[\t ]*initrd|^[\t ]*root|^[\t ]*kernel|^[\t ]*title" '
r'/boot/grub/grub.conf >> /tmp/grub_gce_generated;'
r'sed -i "s/console=ttyS0[^ ]*//g" /tmp/grub_gce_generated;'
r'sed -i "/^[\t ]*kernel/s/$/ console=ttyS0,38400n8/" '
r'/tmp/grub_gce_generated;'
r'mv /tmp/grub_gce_generated /boot/grub/grub.conf')
else:
g.write('/etc/default/grub', grub2_cfg)
g.command(['grub2-mkconfig', '-o', '/boot/grub2/grub.cfg'])
# Reset network for DHCP.
logging.info('Resetting network to DHCP for eth0.')
g.write('/etc/sysconfig/network-scripts/ifcfg-eth0', ifcfg_eth0)
def DistroSpecific(g):
el_release = utils.GetMetadataAttribute('el_release')
install_gce = utils.GetMetadataAttribute('install_gce_packages')
rhel_license = utils.GetMetadataAttribute('use_rhel_gce_license')
# This must be performed prior to making network calls from the guest.
# Otherwise, if /etc/resolv.conf is present, and has an immutable attribute,
# guestfs will fail with:
#
# rename: /sysroot/etc/resolv.conf to
# /sysroot/etc/i9r7obu6: Operation not permitted
utils.common.ClearEtcResolv(g)
if rhel_license == 'true':
if 'Red Hat' in g.cat('/etc/redhat-release'):
g.command(['yum', 'remove', '-y', '*rhui*'])
logging.info('Adding in GCE RHUI package.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
yum_install(g, 'google-rhui-client-rhel' + el_release)
if install_gce == 'true':
logging.info('Installing GCE packages.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
if el_release == '6':
if 'CentOS' in g.cat('/etc/redhat-release'):
logging.info('Installing CentOS SCL.')
g.command(['rm', '-f', '/etc/yum.repos.d/CentOS-SCL.repo'])
yum_install(g, 'centos-release-scl')
# Install Google Cloud SDK from the upstream tar and create links for the
# python27 SCL environment.
logging.info('Installing python27 from SCL.')
yum_install(g, 'python27')
g.command(
['scl', 'enable', 'python27', 'pip2.7 install --upgrade pip'])
g.command([
'scl', 'enable', 'python27',
'pip2.7 install --upgrade google_compute_engine'
])
logging.info('Installing Google Cloud SDK from tar.')
sdk_base_url = 'https://dl.google.com/dl/cloudsdk/channels/rapid'
sdk_base_tar = '%s/google-cloud-sdk.tar.gz' % sdk_base_url
tar = utils.HttpGet(sdk_base_tar)
g.write('/tmp/google-cloud-sdk.tar.gz', tar)
g.command(
['tar', 'xzf', '/tmp/google-cloud-sdk.tar.gz', '-C', '/tmp'])
sdk_version = g.cat('/tmp/google-cloud-sdk/VERSION').strip()
logging.info('Getting Cloud SDK Version %s', sdk_version)
sdk_version_tar = 'google-cloud-sdk-%s-linux-x86_64.tar.gz' % sdk_version
sdk_version_tar_url = '%s/downloads/%s' % (sdk_base_url,
sdk_version_tar)
logging.info('Getting versioned Cloud SDK tar file from %s',
sdk_version_tar_url)
tar = utils.HttpGet(sdk_version_tar_url)
sdk_version_tar_file = os.path.join('/tmp', sdk_version_tar)
g.write(sdk_version_tar_file, tar)
g.mkdir_p('/usr/local/share/google')
g.command([
'tar', 'xzf', sdk_version_tar_file, '-C',
'/usr/local/share/google', '--no-same-owner'
])
logging.info('Creating CloudSDK SCL symlinks.')
sdk_bin_path = '/usr/local/share/google/google-cloud-sdk/bin'
g.ln_s(os.path.join(sdk_bin_path, 'git-credential-gcloud.sh'),
os.path.join('/usr/bin', 'git-credential-gcloud.sh'))
for binary in ['bq', 'gcloud', 'gsutil']:
binary_path = os.path.join(sdk_bin_path, binary)
new_bin_path = os.path.join('/usr/bin', binary)
bin_str = '#!/bin/bash\nsource /opt/rh/python27/enable\n%s $@' % \
binary_path
g.write(new_bin_path, bin_str)
g.chmod(0o755, new_bin_path)
else:
g.write_append('/etc/yum.repos.d/google-cloud.repo',
repo_sdk % el_release)
yum_install(g, 'google-cloud-sdk')
if el_release == '8':
yum_install(g, 'google-compute-engine',
'python3-google-compute-engine')
else:
yum_install(g, 'google-compute-engine',
'python-google-compute-engine')
logging.info('Updating initramfs')
for kver in g.ls('/lib/modules'):
if not g.exists(os.path.join('/lib/modules', kver, 'modules.dep')):
g.command(['depmod', kver])
if el_release == '6':
# Version 6 doesn't have option --kver
g.command(['dracut', '-v', '-f', kver])
else:
g.command(['dracut', '--stdlog=1', '-f', '--kver', kver])
logging.info('Update grub configuration')
if el_release == '6':
# Version 6 doesn't have grub2, file grub.conf needs to be updated by hand
g.write('/tmp/grub_gce_generated', grub_cfg)
g.sh(r'grep -P "^[\t ]*initrd|^[\t ]*root|^[\t ]*kernel|^[\t ]*title" '
r'/boot/grub/grub.conf >> /tmp/grub_gce_generated;'
r'sed -i "s/console=ttyS0[^ ]*//g" /tmp/grub_gce_generated;'
r'sed -i "/^[\t ]*kernel/s/$/ console=ttyS0,38400n8/" '
r'/tmp/grub_gce_generated;'
r'mv /tmp/grub_gce_generated /boot/grub/grub.conf')
else:
g.write('/etc/default/grub', grub2_cfg)
g.command(['grub2-mkconfig', '-o', '/boot/grub2/grub.cfg'])
# Reset network for DHCP.
logging.info('Resetting network to DHCP for eth0.')
# Remove NetworkManager-config-server if it's present. The package configures
# NetworkManager to *not* use DHCP.
# https://access.redhat.com/solutions/894763
g.command(['yum', 'remove', '-y', 'NetworkManager-config-server'])
g.write('/etc/sysconfig/network-scripts/ifcfg-eth0', ifcfg_eth0)
def DistroSpecific(spec: TranslateSpec):
g = spec.g
el_release = spec.el_release
# This must be performed prior to making network calls from the guest.
# Otherwise, if /etc/resolv.conf is present, and has an immutable attribute,
# guestfs will fail with:
#
# rename: /sysroot/etc/resolv.conf to
# /sysroot/etc/i9r7obu6: Operation not permitted
utils.common.ClearEtcResolv(g)
# Some imported images haven't contained `/etc/yum.repos.d`.
if not g.exists('/etc/yum.repos.d'):
g.mkdir('/etc/yum.repos.d')
if spec.distro == Distro.RHEL:
if spec.use_rhel_gce_license:
run(g, ['yum', 'remove', '-y', '*rhui*'])
logging.info('Adding in GCE RHUI package.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
yum_install(g, 'google-rhui-client-rhel' + el_release)
# Historically, translations have failed for corrupt dbcache and rpmdb.
if yum_is_on_path(spec):
run(g, 'yum clean -y all')
if spec.install_gce:
logging.info('Installing GCE packages.')
g.write('/etc/yum.repos.d/google-cloud.repo',
repo_compute % el_release)
if el_release == '6':
# yum operations fail when the epel repo is used with stale
# ca-certificates, causing translation to fail. To avoid that,
# update ca-certificates when the epel repo is found.
#
# The `--disablerepo` flag does the following:
# 1. Skip the epel repo for *this* operation only.
# 2. Block update if the epel repo isn't found.
p = run(g,
'yum update -y ca-certificates --disablerepo=epel',
raiseOnError=False)
logging.debug('Attempted conditional update of '
'ca-certificates. Success expected only '
'if epel repo is installed. Result={}'.format(p))
# Install Google Cloud SDK from the upstream tar and create links for the
# python27 SCL environment.
logging.info('Installing python27 from SCL.')
yum_install(g, 'python27')
logging.info('Installing Google Cloud SDK from tar.')
sdk_base_url = 'https://dl.google.com/dl/cloudsdk/channels/rapid'
sdk_base_tar = '%s/google-cloud-sdk.tar.gz' % sdk_base_url
tar = utils.HttpGet(sdk_base_tar)
g.write('/tmp/google-cloud-sdk.tar.gz', tar)
run(g,
['tar', 'xzf', '/tmp/google-cloud-sdk.tar.gz', '-C', '/tmp'])
sdk_version = g.cat('/tmp/google-cloud-sdk/VERSION').strip()
logging.info('Getting Cloud SDK Version %s', sdk_version)
sdk_version_tar = 'google-cloud-sdk-%s-linux-x86_64.tar.gz' % sdk_version
sdk_version_tar_url = '%s/downloads/%s' % (sdk_base_url,
sdk_version_tar)
logging.info('Getting versioned Cloud SDK tar file from %s',
sdk_version_tar_url)
tar = utils.HttpGet(sdk_version_tar_url)
sdk_version_tar_file = os.path.join('/tmp', sdk_version_tar)
g.write(sdk_version_tar_file, tar)
g.mkdir_p('/usr/local/share/google')
run(g, [
'tar', 'xzf', sdk_version_tar_file, '-C',
'/usr/local/share/google', '--no-same-owner'
])
logging.info('Creating CloudSDK SCL symlinks.')
sdk_bin_path = '/usr/local/share/google/google-cloud-sdk/bin'
g.ln_s(os.path.join(sdk_bin_path, 'git-credential-gcloud.sh'),
os.path.join('/usr/bin', 'git-credential-gcloud.sh'))
for binary in ['bq', 'gcloud', 'gsutil']:
binary_path = os.path.join(sdk_bin_path, binary)
new_bin_path = os.path.join('/usr/bin', binary)
bin_str = '#!/bin/bash\nsource /opt/rh/python27/enable\n%s $@' % \
binary_path
g.write(new_bin_path, bin_str)
g.chmod(0o755, new_bin_path)
logging.info('Enabling rsyslog')
run(g, 'chkconfig rsyslog on')
else:
g.write_append('/etc/yum.repos.d/google-cloud.repo',
repo_sdk % el_release)
yum_install(g, 'google-cloud-sdk')
yum_install(g, 'google-compute-engine', 'google-osconfig-agent')
logging.info('Updating initramfs')
for kver in g.ls('/lib/modules'):
logging.debug('Updating initramfs for ' + kver)
# Although each directory in /lib/modules typically corresponds to a
# kernel version [1], that may not always be true.
# kernel-abi-whitelists, for example, creates extra directories in
# /lib/modules.
#
# Skip building initramfs if the directory doesn't look like a
# kernel version. Emulates the version matching from depmod [2].
#
# 1. https://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/lib.html
# 2. https://kernel.googlesource.com/pub/scm/linux/kernel/git/mmarek/kmod
# /+/tip/tools/depmod.c#2537
if not re.match(r'^\d+.\d+', kver):
logging.debug(
'/lib/modules/{} doesn\'t look like a kernel directory. '
'Skipping creation of initramfs for it'.format(kver))
continue
# We perform a best-effort attempt to rebuild initramfs; if there's a
# failure, continue while giving the user some debug tips. This is
# sensible since the existing initramfs may work for booting. Or the
# failure may be associated with an older kernel that will never be used.
cmds = []
if not g.exists(os.path.join('/lib/modules', kver, 'modules.dep')):
cmds.append(['depmod', kver])
if el_release == '6':
# Version 6 doesn't have option --kver
cmds.append(['dracut', '-v', '-f', kver])
else:
cmds.append(['dracut', '--stdlog=1', '-f', '--kver', kver])
for cmd in cmds:
try:
run(g, cmd)
except RuntimeError as e:
cmd_string = ' '.join(cmd)
logging.debug('`{cmd}` error: {err}'.format(cmd=cmd_string,
err=e))
msg = (
'Failed to write initramfs for {kver}. If the image '
'fails to boot: Boot the original machine, remove unused '
'kernel versions, verify that `{cmd}` runs, re-export '
'the disks, and re-import.').format(kver=kver,
cmd=cmd_string)
logging.info(msg)
break
logging.info('Update grub configuration')
if el_release == '6':
# Version 6 doesn't have grub2, file grub.conf needs to be updated by hand
g.write('/tmp/grub_gce_generated', grub_cfg)
run(
g,
r'grep -P "^[\t ]*initrd|^[\t ]*root|^[\t ]*kernel|^[\t ]*title" '
r'/boot/grub/grub.conf >> /tmp/grub_gce_generated;'
r'sed -i "s/console=ttyS0[^ ]*//g" /tmp/grub_gce_generated;'
r'sed -i "/^[\t ]*kernel/s/$/ console=ttyS0,38400n8/" '
r'/tmp/grub_gce_generated;'
r'mv /tmp/grub_gce_generated /boot/grub/grub.conf')
else:
g.write('/etc/default/grub', grub2_cfg)
run(g, ['grub2-mkconfig', '-o', '/boot/grub2/grub.cfg'])
reset_network_for_dhcp(spec)