Heat templates for deploying OpenStack
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heat_template_version: rocky
description: >
OpenStack containerized Memcached services
parameters:
ContainerMemcachedImage:
description: image
type: string
ContainerMemcachedConfigImage:
description: The container image to use for the memcached config_volume
type: string
EndpointMap:
default: {}
description: Mapping of service endpoint -> protocol. Typically set
via parameter_defaults in the resource registry.
type: json
ServiceData:
default: {}
description: Dictionary packing service data
type: json
ServiceNetMap:
default: {}
description: Mapping of service_name -> network name. Typically set
via parameter_defaults in the resource registry. This
mapping overrides those in ServiceNetMapDefaults.
type: json
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
MemcachedMaxMemory:
default: '50%'
description: The maximum amount of memory for memcached to be configured
to use when installed. This can be either a percentage ('50%')
or a fixed value ('2048').
type: string
MemcachedMaxConnections:
default: 8192
description: The maximum number of connections to be accepted by memcached
type: number
MonitoringSubscriptionMemcached:
default: 'overcloud-memcached'
type: string
Debug:
default: false
description: Set to True to enable debugging on all services.
type: boolean
MemcachedDebug:
default: ''
description: Set to True to enable debugging Memcached service.
type: string
constraints:
- allowed_values: [ '', 'true', 'True', 'TRUE', 'false', 'False', 'FALSE']
MemcachedIpSubnet:
default: ''
description: IP address/subnet on the memcached network. If empty (default), MemcachedNetwork
will be taken. Useful in the case where an operator wants to open Memcached outside
of the internal network. Use this parameter with caution and be aware of
opening memcached to external network can be dangerous.
type: string
MemcachedTLS:
default: false
description: Set to True to enable TLS on Memcached service.
type: boolean
conditions:
internal_tls_enabled: {equals: [{get_param: MemcachedTLS}, true]}
memcached_network_unset: {equals : [{get_param: MemcachedIpSubnet}, '']}
service_debug:
or:
- equals: [{get_param: MemcachedDebug}, 'true']
- equals: [{get_param: MemcachedDebug}, 'True']
- equals: [{get_param: Debug}, true]
is_ipv6:
equals:
- {get_param: [ServiceData, net_ip_version_map, {get_param: [ServiceNetMap, MemcachedNetwork]}]}
- 6
resources:
ContainersCommon:
type: ../containers-common.yaml
outputs:
role_data:
description: Role data for the Memcached API role.
value:
service_name: memcached
monitoring_subscription: {get_param: MonitoringSubscriptionMemcached}
config_settings:
map_merge:
-
# NOTE: bind IP is found in hiera replacing the network name with the local node IP
# for the given network; replacement examples (eg. for internal_api):
# internal_api -> IP
# internal_api_uri -> [IP]
# internal_api_subnet - > IP/CIDR
memcached::listen_ip:
- if:
- is_ipv6
- '::1'
- '127.0.0.1'
- str_replace:
template:
"%{hiera('$NETWORK')}"
params:
$NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
memcached::listen_ip_uri:
- if:
- is_ipv6
- '::1'
- '127.0.0.1'
- str_replace:
template:
"%{hiera('$NETWORK_uri')}"
params:
$NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
memcached::max_connections: {get_param: MemcachedMaxConnections}
memcached::max_memory: {get_param: MemcachedMaxMemory}
# https://access.redhat.com/security/cve/cve-2018-1000115
# Only accept TCP to avoid spoofed traffic amplification DoS on UDP.
memcached::udp_port: 0
memcached::verbosity:
list_join:
- ''
- - 'v'
- if:
- service_debug
- 'v'
- ''
memcached::disable_cachedump: true
tripleo::memcached::firewall_rules:
# https://access.redhat.com/security/cve/cve-2018-1000115
# Only accept TCP to avoid spoofed traffic amplification DoS on UDP.
# Memcached traffic shouldn't be open on the internet.
# Even if binding is configured on internal_api network, enforce it
# via firewall as well.
if:
- memcached_network_unset
- map_merge:
repeat:
for_each:
<%net_cidr%>:
get_param:
- ServiceData
- net_cidr_map
- {get_param: [ServiceNetMap, MemcachedNetwork]}
template:
'121 memcached <%net_cidr%>':
dport: 11211
proto: 'tcp'
source: <%net_cidr%>
- '121 memcached':
dport: 11211
proto: 'tcp'
source: {get_param: MemcachedIpSubnet}
memcached::logstdout: true
tripleo::profile::base::memcached::enable_internal_memcached_tls: {get_param: MemcachedTLS}
-
if:
- internal_tls_enabled
- generate_service_certificates: true
tripleo::memcached::service_certificate: '/etc/pki/tls/certs/memcached.crt'
tripleo::profile::base::memcached::certificate_specs:
service_certificate: '/etc/pki/tls/certs/memcached.crt'
service_key: '/etc/pki/tls/private/memcached.key'
hostname:
str_replace:
template: "%{hiera('fqdn_$NETWORK')}"
params:
$NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
principal:
str_replace:
template: "memcached/%{hiera('fqdn_$NETWORK')}"
params:
$NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
postsave_cmd: "/usr/bin/certmonger-memcached-refresh.sh"
- {}
service_config_settings:
collectd:
tripleo.collectd.plugins.memcached:
- memcached
collectd::plugin::memcached::instances:
local:
host: "%{hiera('memcached::listen_ip_uri')}"
port: 11211
# BEGIN DOCKER SETTINGS
puppet_config:
config_volume: 'memcached'
puppet_tags: 'file'
step_config: |
include ::tripleo::profile::base::memcached
config_image: {get_param: ContainerMemcachedConfigImage}
kolla_config:
/var/lib/kolla/config_files/memcached.json:
command: bash -c $* -- eval source /etc/sysconfig/memcached; exec /usr/bin/memcached -p ${PORT} -u ${USER} -m ${CACHESIZE} -c ${MAXCONN} $OPTIONS >> /var/log/memcached/memcached.log 2>&1
config_files:
- source: "/var/lib/kolla/config_files/src/*"
dest: "/"
merge: true
preserve_properties: true
- source: "/var/lib/kolla/config_files/src-tls/*"
dest: "/"
merge: true
preserve_properties: true
optional: true
permissions:
- path: /var/log/memcached
owner: memcached:memcached
recurse: true
- path: /etc/pki/tls/certs/memcached.crt
owner: memcached:memcached
optional: true
- path: /etc/pki/tls/private/memcached.key
owner: memcached:memcached
optional: true
docker_config:
step_1:
memcached:
start_order: 0
image: {get_param: ContainerMemcachedImage}
net: host
privileged: false
restart: always
healthcheck:
test: /openstack/healthcheck
volumes:
list_concat:
- {get_attr: [ContainersCommon, volumes]}
-
- /var/lib/kolla/config_files/memcached.json:/var/lib/kolla/config_files/config.json:ro
- /var/lib/config-data/puppet-generated/memcached:/var/lib/kolla/config_files/src:rw,z
- /var/log/containers/memcached:/var/log/memcached:rw
- if:
- internal_tls_enabled
-
- /etc/pki/tls/certs/memcached.crt:/var/lib/kolla/config_files/src-tls/etc/pki/tls/certs/memcached.crt:ro
- /etc/pki/tls/private/memcached.key:/var/lib/kolla/config_files/src-tls/etc/pki/tls/private/memcached.key:ro
- null
environment:
KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
metadata_settings:
if:
- internal_tls_enabled
-
- service: memcached
network: {get_param: [ServiceNetMap, MemcachedNetwork]}
type: node
- null
host_prep_tasks:
- name: create persistent directories
file:
path: "{{ item.path }}"
state: directory
setype: "{{ item.setype }}"
mode: "{{ item.mode }}"
with_items:
- { 'path': /var/log/containers/memcached, 'setype': container_file_t, 'mode': '0750' }
upgrade_tasks: []
external_upgrade_tasks:
- when:
- step|int == 1
tags:
- never
- system_upgrade_transfer_data
- system_upgrade_stop_services
block:
- name: Stop memcached container
import_role:
name: tripleo-container-stop
vars:
tripleo_containers_to_stop:
- memcached
tripleo_delegate_to: "{{ groups['memcached'] | default([]) }}"