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|
# File 'modules/base/manifests/kernel.pp', line 8
class base::kernel(
$overlayfs,
) {
if ! $overlayfs {
kmod::blacklist { 'wmf_overlay':
modules => [
'overlayfs',
'overlay',
],
}
} else {
kmod::blacklist { 'wmf_overlay':
ensure => absent,
}
# On a fresh node overlay may be unloaded automatically by the OS
# if no fs needs it. In this case the kern.log should look like:
# kernel: request_module fs-overlay succeeded, but still no fs?
# This may lead to unwanted side effects, like Docker not finding
# the overlay kernel module loaded and falling back to
# the device-mapper storage driver.
# Therefore we explicitly load the overlay module when the overlayfs
# option is true.
kmod::module { 'overlay':
ensure => 'present',
}
}
kmod::blacklist { 'wmf':
modules => [
'asn1_decoder',
'aufs',
'usbip-core',
'usbip-host',
'vhci-hcd',
'dccp',
'dccp_ipv6',
'dccp_ipv4',
'dccp_probe',
'dccp_diag',
'n_hdlc',
'intel_cstate',
'intel_rapl_perf',
'intel_uncore',
'macsec',
'parport',
'parport_pc',
'ppdev',
'acpi_power_meter',
'bluetooth',
'v4l2-common',
'floppy',
'cdrom',
'binder_linux',
'n_gsm',
'algif_aead',
'appletalk',
'rxrpc',
'nfc',
'esp4',
'esp6',
'tipc',
'atm',
'slip',
'slhc',
'sctp',
'rds',
'rds_rdma',
'rds_tcp',
'mpls_iptunnel',
'mpls_router',
'ah6',
'ah4',
'pppoe',
'kcm',
'phonet',
],
}
# File systems not in use, blacklist as additional bandaid
kmod::blacklist { 'wmf-filesystems':
modules => [
'btrfs',
'erofs',
'exfat',
'f2fs',
'hfs',
'hfsplus',
'jfs',
'jffs2',
'nilfs2',
'orangefs',
'squashfs',
],
}
# Network schedulers/packet mangling module we don't use or need
kmod::blacklist { 'wmf-network-schedulers':
modules => [
'act_connmark',
'act_pedit',
'sch_red',
'sch_taprio',
],
}
file { '/usr/local/bin/kernel-purge':
ensure => file,
mode => '0755',
source => 'puppet:///modules/base/kernel/kernel-purge.sh',
}
systemd::timer::job { 'kernel-purge':
ensure => present,
description => 'Purge unused kernels',
user => 'root',
command => '/usr/local/bin/kernel-purge -p',
interval => {'start' => 'OnCalendar', 'interval' => 'monthly'},
}
}
|