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Please title the issue as follows:
[keepalived]: <short description of problem>
In the issue description, please include a longer description of the issue, along with any relevant log/command/error output.
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Installs keepalived and generates the configuration file.
node[:keepalived][:shared_address] = true
# If keepalived is using a shared address
node[:keepalived][:global][:notification_emails] = '[email protected]'
# notification emailsnode[:keepalived][:global][:notification_email_from] = "keepalived@#{node.domain}"
# from addressnode[:keepalived][:global][:smtp_server] = '127.0.0.1'
# smtp server addressnode[:keepalived][:global][:smtp_connect_timeout] = 30
# smtp connection timeoutnode[:keepalived][:global][:router_id] = 'DEFAULT_ROUT_ID'
# router IDnode[:keepalived][:global][:router_ids] = {}
# mapped router ID (see example below)
The router_ids
allow for defining different IDs based on node name within a
single role. This allows for a role structured like so:
override_attributes(
:keepalived => {
:global => {
:router_ids => {
'node1' => 'MASTER_NODE',
'node2' => 'BACKUP_NODE'
}
}
}
)
node[:keepalived][:check_scripts] = {}
# define available check scripts
Multiple check scripts can be defined. The key will provide the name of the
check script within the configuration file. The value should be a hash with
the keys: script
, interval
and weight
defined. For example, a simple
HAProxy check script:
node[:keepalived][:check_scripts][:chk_haproxy] = {
:script => 'killall -0 haproxy',
:interval => 2,
:weight => 2
}
These are fallback values instance blocks can default to if non have been explicitly defined:
node[:keepalived][:instance_defaults][:state] = 'MASTER'
# default statenode[:keepalived][:instance_defaults][:priority] = 100
# default prioritynode[:keepalived][:instance_defaults][:virtual_router_id] = 'DEFAULT_VIRT_ROUT_ID'
# default virtual router ID
node[:keepalived][:instances] = {}
Multiple instances can be defined. The key will be used to define the instance name. The value will be a hash used to describe the instance. Attributes used within the instance hash:
:ip_addresses => '127.0.0.1'
# IP address(es) used by this instance:interface => 'eth0'
# Network interface used:states => {}
# Node name mapped states:virtual_router_ids => {}
# Node name mapped virtual router IDs:priorities => {}
# Node name mapped priorities:track_script => 'check_name'
# Name of check script in use for instance:nopreempt => false
# Do not preempt:advert_int => 1
# Set advert_int:auth_type => nil
# Enable authentication (:pass or :ah):auth_pass => 'secret'
# Password used for authentication
override_attributes(
:keepalived => {
:shared_address => true,
:check_scripts => {
:chk_haproxy => {
:script => 'killall -0 haproxy',
:interval => 2,
:weight => 2
}
},
:instances => {
:vi_1 => {
:ip_addresses => '192.168.0.2',
:interface => 'eth0',
:state => 'MASTER',
:states => {
'master.domain' => :master,
'backup.domain' => :backup
},
:virtual_router_ids => {
'master.domain' => 'SERVICE_MASTER',
'backup.domain' => 'SERVICE_BACKUP'
},
:priorities => {
'master.domain' => 101,
'backup.domain' => 100
},
:track_script => 'chk_haproxy',
:nopreempt => false,
:advert_int => 1,
:auth_type => :pass,
:auth_pass => 'secret'
}
}
}
)
include_recipe 'keepalived'
node[:keepalived][:check_scripts][:chk_init] = {
:script => 'killall -0 init',
:interval => 2,
:weight => 2
}
node[:keepalived][:instances][:vi_1] = {
:ip_addresses => '10.0.2.254',
:interface => 'eth0',
:track_script => 'chk_init',
:nopreempt => false,
:advert_int => 1,
:auth_type => nil, # :pass or :ah
:auth_pass => 'secret'
}
Author:: Joshua Timberman ([email protected])
Copyright:: 2009, Opscode, Inc
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.