1616da335b
A previous change [1] enabled ndisc_notify, which is the IPv6 equivalent
for IPv4's arp_notify. Enable the latter to keep them consistent with
each other.
Change-Id: I15e8348585a9c0ee824a4c123677992010980b9e
Related-Bug: #1827927
(cherry picked from commit f3df90f2c0)
196 lines
6.9 KiB
YAML
196 lines
6.9 KiB
YAML
heat_template_version: rocky
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description: >
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Load kernel modules with kmod and configure kernel options with sysctl.
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parameters:
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ServiceData:
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default: {}
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description: Dictionary packing service data
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type: json
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ServiceNetMap:
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default: {}
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description: Mapping of service_name -> network name. Typically set
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via parameter_defaults in the resource registry. This
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mapping overrides those in ServiceNetMapDefaults.
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type: json
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DefaultPasswords:
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default: {}
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type: json
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RoleName:
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default: ''
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description: Role name on which the service is applied
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type: string
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RoleParameters:
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default: {}
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description: Parameters specific to the role
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type: json
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EndpointMap:
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default: {}
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description: Mapping of service endpoint -> protocol. Typically set
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via parameter_defaults in the resource registry.
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type: json
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KernelPidMax:
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default: 1048576
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description: Configures sysctl kernel.pid_max key
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type: number
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KernelDisableIPv6:
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default: 0
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description: Configures sysctl net.ipv6.{default/all}.disable_ipv6 keys
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type: number
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KernelIpForward:
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default: 1
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description: Configures net.ipv4.ip_forward key
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type: number
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KernelIpNonLocalBind:
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default: 1
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description: Configures net.ipv{4,6}.ip_nonlocal_bind key
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type: number
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NeighbourGcThreshold1:
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default: 1024
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description: Configures sysctl net.ipv4.neigh.default.gc_thresh1 value.
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This is the minimum number of entries to keep in the ARP
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cache. The garbage collector will not run if there are
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fewer than this number of entries in the cache.
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type: number
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NeighbourGcThreshold2:
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default: 2048
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description: Configures sysctl net.ipv4.neigh.default.gc_thresh2 value.
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This is the soft maximum number of entries to keep in the
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ARP cache. The garbage collector will allow the number of
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entries to exceed this for 5 seconds before collection will
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be performed.
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type: number
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NeighbourGcThreshold3:
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default: 4096
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description: Configures sysctl net.ipv4.neigh.default.gc_thresh3 value.
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This is the hard maximum number of entries to keep in the
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ARP cache. The garbage collector will always run if there
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are more than this number of entries in the cache.
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type: number
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InotifyIntancesMax:
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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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tags:
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- role_specific
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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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tags:
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- role_specific
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resources:
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# Merging role-specific parameters (RoleParameters) with the default parameters.
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# RoleParameters will have the precedence over the default parameters.
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RoleParametersValue:
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type: OS::Heat::Value
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properties:
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type: json
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value:
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map_replace:
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- map_replace:
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- extra_kernel_modules: ExtraKernelModules
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extra_sysctl_settings: ExtraSysctlSettings
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- values: {get_param: [RoleParameters]}
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- values:
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ExtraKernelModules: {get_param: ExtraKernelModules}
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ExtraSysctlSettings: {get_param: ExtraSysctlSettings}
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outputs:
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role_data:
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description: Role data for the Kernel modules
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value:
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service_name: kernel
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config_settings:
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kernel_modules:
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map_merge:
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- nf_conntrack: {}
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- {get_attr: [RoleParametersValue, value, extra_kernel_modules]}
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sysctl_settings:
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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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# always allow ipv6 on loopback for rabbitmq, see +bug/1780065
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net.ipv6.conf.lo.disable_ipv6:
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value: 0
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# enable/disable ip forward for undercloud/docker
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net.ipv4.ip_forward:
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value: {get_param: KernelIpForward}
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net.ipv4.ip_nonlocal_bind:
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value: {get_param: KernelIpNonLocalBind}
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net.ipv6.ip_nonlocal_bind:
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value: {get_param: KernelIpNonLocalBind}
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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.ipv4.conf.all.arp_notify:
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value: 1
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net.ipv6.conf.all.ndisc_notify:
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value: 1
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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_attr: [RoleParametersValue, value, extra_sysctl_settings]}
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step_config: |
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include ::tripleo::profile::base::kernel
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