DefaultPasswords:
default: {}
type: json
+ RoleName:
+ default: ''
+ description: Role name on which the service is applied
+ type: string
+ RoleParameters:
+ default: {}
+ description: Parameters specific to the role
+ type: json
EndpointMap:
default: {}
description: Mapping of service endpoint -> protocol. Typically set
default: 1048576
description: Configures sysctl kernel.pid_max key
type: number
+ KernelDisableIPv6:
+ default: 0
+ description: Configures sysctl net.ipv6.{default/all}.disable_ipv6 keys
+ type: number
+ NeighbourGcThreshold1:
+ default: 1024
+ description: Configures sysctl net.ipv4.neigh.default.gc_thresh1 value.
+ This is the minimum number of entries to keep in the ARP
+ cache. The garbage collector will not run if there are
+ fewer than this number of entries in the cache.
+ type: number
+ NeighbourGcThreshold2:
+ default: 2048
+ description: Configures sysctl net.ipv4.neigh.default.gc_thresh2 value.
+ This is the soft maximum number of entries to keep in the
+ ARP cache. The garbage collector will allow the number of
+ entries to exceed this for 5 seconds before collection will
+ be performed.
+ type: number
+ NeighbourGcThreshold3:
+ default: 4096
+ description: Configures sysctl net.ipv4.neigh.default.gc_thresh3 value.
+ This is the hard maximum number of entries to keep in the
+ ARP cache. The garbage collector will always run if there
+ are more than this number of entries in the cache.
+ type: number
outputs:
role_data:
config_settings:
kernel_modules:
nf_conntrack: {}
- ip_conntrack_proto_sctp: {}
+ nf_conntrack_proto_sctp: {}
sysctl_settings:
net.ipv4.tcp_keepalive_intvl:
value: 1
value: 5
net.ipv4.tcp_keepalive_time:
value: 5
+ net.ipv4.conf.default.send_redirects:
+ value: 0
+ net.ipv4.conf.all.send_redirects:
+ value: 0
+ net.ipv4.conf.default.accept_redirects:
+ value: 0
+ net.ipv4.conf.default.secure_redirects:
+ value: 0
+ net.ipv4.conf.all.secure_redirects:
+ value: 0
+ net.ipv4.conf.default.log_martians:
+ value: 1
+ net.ipv4.conf.all.log_martians:
+ value: 1
net.nf_conntrack_max:
value: 500000
net.netfilter.nf_conntrack_max:
value: 500000
+ net.ipv6.conf.default.disable_ipv6:
+ value: {get_param: KernelDisableIPv6}
+ net.ipv6.conf.all.disable_ipv6:
+ value: {get_param: KernelDisableIPv6}
# prevent neutron bridges from autoconfiguring ipv6 addresses
net.ipv6.conf.all.accept_ra:
value: 0
value: 0
net.ipv6.conf.default.autoconf:
value: 0
+ net.ipv6.conf.default.accept_redirects:
+ value: 0
+ net.ipv6.conf.all.accept_redirects:
+ value: 0
net.core.netdev_max_backlog:
value: 10000
kernel.pid_max:
value: {get_param: KernelPidMax}
kernel.dmesg_restrict:
value: 1
+ fs.suid_dumpable:
+ value: 0
+ #avoid neighbour table overflow on large deployments
+ net.ipv4.neigh.default.gc_thresh1:
+ value: {get_param: NeighbourGcThreshold1}
+ net.ipv4.neigh.default.gc_thresh2:
+ value: {get_param: NeighbourGcThreshold2}
+ net.ipv4.neigh.default.gc_thresh3:
+ value: {get_param: NeighbourGcThreshold3}
step_config: |
include ::tripleo::profile::base::kernel