starlingx/stx-puppet
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Merge "Reserving libvirt default migration port range"

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Zuul 2021-08-30 18:58:00 +00:00 committed by Gerrit Code Review
commit f5515b18b0
1 changed files with 20 additions and 1 deletions
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21
puppet-manifests/src/modules/platform/manifests/sysctl.pp
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@ -102,8 +102,13 @@ class platform::sysctl::controller::reserve_ports
# from the ephemeral port range. This will avoid potential port conflicts
# that will cause the tiller pod to crash when the port is assigned to
# another client/server
#
# libvirt v4.7.0 hardcodes the ports 49152-49215 as its default port range
# for migrations (qemu.conf). Reserve them from the ephemeral port range.
# This will avoid potential port conflicts that will cause migration
# failures when the port is assigned to another service
sysctl::value { 'net.ipv4.ip_local_reserved_ports':
value => '35357,44134-44136'
value => '35357,44134-44136,49152-49215'
}
}
@ -164,6 +169,7 @@ class platform::sysctl::controller
class platform::sysctl::compute {
include ::platform::sysctl
include ::platform::sysctl::compute::reserve_ports
# Increase min_free_kbytes to 128 MiB from 88 MiB, helps prevent OOM
sysctl::value { 'vm.min_free_kbytes':
@ -171,6 +177,19 @@ class platform::sysctl::compute {
}
}
class platform::sysctl::compute::reserve_ports
inherits ::platform::sysctl::params {
# Reserve ports in the ephemeral port range:
#
# libvirt v4.7.0 hardcodes the ports 49152-49215 as its default port range
# for migrations (qemu.conf). Reserve them from the ephemeral port range.
# This will avoid potential port conflicts that will cause migration
# failures when the port is assigned to another service
sysctl::value { 'net.ipv4.ip_local_reserved_ports':
value => '49152-49215'
}
}
class platform::sysctl::storage {
include ::platform::sysctl