kernel: allow to override modules & sysctl settings
Allow to easily personalize Kernel modules and sysctl settings with two new parameters. ExtraKernelModules and ExtraSysctlSettings are dictionaries that will take precedence over the defaults settings provided in the composable service. Closes-Bug: #1742440 Change-Id: I9cd43331e5e9a6074cd47040c29815ca32c61693
This commit is contained in:
Emilien Macchi
parent
88759da151
commit
ec1be1f4cd
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@ -64,6 +64,14 @@ parameters:
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default: 1024
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description: Configures sysctl fs.inotify.max_user_instances key
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type: number
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ExtraKernelModules:
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default: {}
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description: Hash of extra Kernel modules to load.
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type: json
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ExtraSysctlSettings:
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default: {}
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description: Hash of extra sysctl settings to apply.
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type: json
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outputs:
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@ -73,70 +81,74 @@ outputs:
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service_name: kernel
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config_settings:
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kernel_modules:
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nf_conntrack: {}
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nf_conntrack_proto_sctp: {}
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map_merge:
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- nf_conntrack: {}
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nf_conntrack_proto_sctp: {}
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- {get_param: ExtraKernelModules}
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sysctl_settings:
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net.ipv4.tcp_keepalive_intvl:
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value: 1
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net.ipv4.tcp_keepalive_probes:
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value: 5
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net.ipv4.tcp_keepalive_time:
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value: 5
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net.ipv4.conf.default.send_redirects:
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value: 0
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net.ipv4.conf.all.send_redirects:
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value: 0
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net.ipv4.conf.all.arp_accept:
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value: 1
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net.ipv4.conf.default.accept_redirects:
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value: 0
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net.ipv4.conf.default.secure_redirects:
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value: 0
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net.ipv4.conf.all.secure_redirects:
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value: 0
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net.ipv4.conf.default.log_martians:
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value: 1
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net.ipv4.conf.all.log_martians:
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value: 1
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net.nf_conntrack_max:
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value: 500000
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net.netfilter.nf_conntrack_max:
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value: 500000
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net.ipv6.conf.default.disable_ipv6:
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value: {get_param: KernelDisableIPv6}
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net.ipv6.conf.all.disable_ipv6:
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value: {get_param: KernelDisableIPv6}
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# prevent neutron bridges from autoconfiguring ipv6 addresses
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net.ipv6.conf.all.accept_ra:
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value: 0
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net.ipv6.conf.default.accept_ra:
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value: 0
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net.ipv6.conf.all.autoconf:
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value: 0
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net.ipv6.conf.default.autoconf:
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value: 0
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net.ipv6.conf.default.accept_redirects:
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value: 0
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net.ipv6.conf.all.accept_redirects:
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value: 0
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net.core.netdev_max_backlog:
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value: 10000
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kernel.pid_max:
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value: {get_param: KernelPidMax}
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kernel.dmesg_restrict:
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value: 1
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fs.suid_dumpable:
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value: 0
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#avoid neighbour table overflow on large deployments
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net.ipv4.neigh.default.gc_thresh1:
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value: {get_param: NeighbourGcThreshold1}
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net.ipv4.neigh.default.gc_thresh2:
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value: {get_param: NeighbourGcThreshold2}
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net.ipv4.neigh.default.gc_thresh3:
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value: {get_param: NeighbourGcThreshold3}
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# set inotify value for neutron/dnsmasq scale
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fs.inotify.max_user_instances:
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value: {get_param: InotifyIntancesMax}
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map_merge:
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- net.ipv4.tcp_keepalive_intvl:
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value: 1
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net.ipv4.tcp_keepalive_probes:
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value: 5
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net.ipv4.tcp_keepalive_time:
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value: 5
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net.ipv4.conf.default.send_redirects:
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value: 0
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net.ipv4.conf.all.send_redirects:
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value: 0
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net.ipv4.conf.all.arp_accept:
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value: 1
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net.ipv4.conf.default.accept_redirects:
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value: 0
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net.ipv4.conf.default.secure_redirects:
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value: 0
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net.ipv4.conf.all.secure_redirects:
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value: 0
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net.ipv4.conf.default.log_martians:
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value: 1
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net.ipv4.conf.all.log_martians:
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value: 1
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net.nf_conntrack_max:
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value: 500000
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net.netfilter.nf_conntrack_max:
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value: 500000
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net.ipv6.conf.default.disable_ipv6:
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value: {get_param: KernelDisableIPv6}
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net.ipv6.conf.all.disable_ipv6:
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value: {get_param: KernelDisableIPv6}
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# prevent neutron bridges from autoconfiguring ipv6 addresses
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net.ipv6.conf.all.accept_ra:
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value: 0
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net.ipv6.conf.default.accept_ra:
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value: 0
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net.ipv6.conf.all.autoconf:
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value: 0
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net.ipv6.conf.default.autoconf:
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value: 0
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net.ipv6.conf.default.accept_redirects:
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value: 0
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net.ipv6.conf.all.accept_redirects:
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value: 0
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net.core.netdev_max_backlog:
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value: 10000
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kernel.pid_max:
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value: {get_param: KernelPidMax}
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kernel.dmesg_restrict:
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value: 1
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fs.suid_dumpable:
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value: 0
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#avoid neighbour table overflow on large deployments
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net.ipv4.neigh.default.gc_thresh1:
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value: {get_param: NeighbourGcThreshold1}
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net.ipv4.neigh.default.gc_thresh2:
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value: {get_param: NeighbourGcThreshold2}
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net.ipv4.neigh.default.gc_thresh3:
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value: {get_param: NeighbourGcThreshold3}
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# set inotify value for neutron/dnsmasq scale
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fs.inotify.max_user_instances:
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value: {get_param: InotifyIntancesMax}
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- {get_param: ExtraSysctlSettings}
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step_config: |
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include ::tripleo::profile::base::kernel
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@ -0,0 +1,6 @@
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---
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features:
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- |
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Allow to easily personalize Kernel modules and sysctl settings with two new parameters.
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ExtraKernelModules and ExtraSysctlSettings are dictionaries that will take precedence
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over the defaults settings provided in the composable service.
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