diff options
| -rw-r--r-- | lib/puppet/parser/functions/local_fence_devices.rb | 34 | ||||
| -rw-r--r-- | manifests/fencing.pp | 62 |
2 files changed, 96 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/local_fence_devices.rb b/lib/puppet/parser/functions/local_fence_devices.rb new file mode 100644 index 0000000..1ebce67 --- /dev/null +++ b/lib/puppet/parser/functions/local_fence_devices.rb @@ -0,0 +1,34 @@ +module Puppet::Parser::Functions + newfunction(:local_fence_devices, :arity =>2, :type => :rvalue, + :doc => ("Given an array of fence device configs, limit them" + + "to fence devices whose MAC address is present on" + + "some of the local NICs, and prepare a hash which can be" + + "passed to create_resources function")) do |args| + agent = args[0] + devices = args[1] + unless agent.is_a?(String) && agent.length > 0 + raise Puppet::ParseError, "local_fence_devices: Argument 'agent' must be a non-empty string. The value given was: #{agent_type}" + end + unless devices.is_a?(Array) + raise Puppet::ParseError, "local_fence_devices: Argument 'devices' must be an array. The value given was: #{devices}" + end + + # filter by agent type + agent_type_devices = devices.select { |device| device['agent'] == agent } + + # filter by local mac address + local_devices = agent_type_devices.select do |device| + function_has_interface_with(['macaddress', device['host_mac']]) + end + + # construct a hash for create_resources + return local_devices.each_with_object({}) do |device, hash| + # disallow collisions + if hash[device['host_mac']] + raise Puppet::ParseError, "local_fence_devices: Only single fence device per agent per host is allowed. Collision on #{device['host_mac']} for #{agent}" + end + + hash[device['host_mac']] = device['params'] || {} + end + end +end diff --git a/manifests/fencing.pp b/manifests/fencing.pp new file mode 100644 index 0000000..55280a9 --- /dev/null +++ b/manifests/fencing.pp @@ -0,0 +1,62 @@ +# == Class: tripleo::fencing +# +# Configure Pacemaker fencing devices for TripleO. +# +# === Parameters: +# +# [*config*] +# JSON config of fencing devices, using the following structure: +# { +# "devices": [ +# { +# "agent": "AGENT_NAME", +# "host_mac": "HOST_MAC_ADDRESS", +# "params": {"PARAM_NAME": "PARAM_VALUE"} +# } +# ] +# } +# For instance: +# { +# "devices": [ +# { +# "agent": "fence_xvm", +# "host_mac": "52:54:00:aa:bb:cc", +# "params": { +# "multicast_address": "225.0.0.12", +# "port": "baremetal_0", +# "manage_fw": true, +# "manage_key_file": true, +# "key_file": "/etc/fence_xvm.key", +# "key_file_password": "abcdef" +# } +# } +# ] +# } +# Defaults to {} +# +# [*tries*] +# Number of attempts when creating fence devices and constraints. +# Defaults to 10 +# +# [*try_sleep*] +# Delay (in seconds) between attempts when creating fence devices +# and constraints. +# Defaults to 3 +class tripleo::fencing( + $config = {}, + $tries = 10, + $try_sleep = 3, +) { + $common_params = { + 'tries' => $tries, + 'try_sleep' => $try_sleep, + } + + $all_devices = $config['devices'] + + $xvm_devices = local_fence_devices('fence_xvm', $all_devices) + create_resources('pacemaker::stonith::fence_xvm', $xvm_devices, $common_params) + + $ipmilan_devices = local_fence_devices('fence_ipmilan', $all_devices) + create_resources('pacemaker::stonith::fence_ipmilan', $ipmilan_devices, $common_params) +} |