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allow to customize how many kernels to keep on gentoo system upgrade

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This commit is contained in:
Fredrik Eriksson
2023-05-15 06:42:13 +02:00
parent aafe46d429
commit 39a61aeddd
2 changed files with 12 additions and 5 deletions
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11
config.cfg
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@ -16,9 +16,14 @@ version_sensitivity=1
# not close all deleted files (any platform) # not close all deleted files (any platform)
do_reboot=no do_reboot=no
# FreeBSD system update (freebsd-update fetch install, not freebsd-update upgrade) # Attempt to do a system upgrade
# FreeBSD: upgrade to latest patch version using freebsd-update fetch install
# Gentoo: allow upgrade of sys-kernel/-packages, clean old kernels, and update grub-config
do_system_upgrade=yes do_system_upgrade=yes
# On Gentoo kernel upgrades, remove all but the last keep_kernels kernels from /boot
keep_kernels=4
# upgrade packages # upgrade packages
do_package_upgrade=yes do_package_upgrade=yes
@ -46,9 +51,7 @@ syslog_loglevel=info
# Gentoo uses the category/package naming scheme # Gentoo uses the category/package naming scheme
dev-db/postgresql=1 dev-db/postgresql=1
# Gentoo kernel stuff should be updated manually # It's safer to upgrade zfs manually
sys-kernel/gentoo-sources=99
sys-kernel/spl=99
sys-fs/zfs-kmod=99 sys-fs/zfs-kmod=99
# FreeBSD uses the short package name (without category) # FreeBSD uses the short package name (without category)

6
sau/gentoo.py
View File

@ -196,12 +196,16 @@ def pkg_upgrade():
log.warning(line) log.warning(line)
if do_grub: if do_grub:
keep_kernels = conf.getint('default', 'keep_kernels', default=4)
if keep_kernels < 1:
log.error('keep_kernels cannot be less than one; falling back to default')
keep_kernels = 4
for root, dirs, files in os.walk('/boot'): for root, dirs, files in os.walk('/boot'):
for sysfile in ['config', 'initramfs', 'System.map', 'vmlinuz']: for sysfile in ['config', 'initramfs', 'System.map', 'vmlinuz']:
match = sorted( match = sorted(
[f for f in files if f.startswith(f'{sysfile}-')], [f for f in files if f.startswith(f'{sysfile}-')],
reverse=True) reverse=True)
for f in match[4:]: for f in match[keep_kernels:]:
log.debug(f"Removing old kernel file {f}") log.debug(f"Removing old kernel file {f}")
os.remove(os.path.join(root, f)) os.remove(os.path.join(root, f))
break break