aboutsummaryrefslogtreecommitdiffstats
path: root/manifests/profile/base/pacemaker.pp
blob: 811b9113d72654b6adee1ec59ac104a8d73cab88 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
# Copyright 2016 Red Hat, 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.
#
# == Class: tripleo::profile::base::pacemaker
#
# Pacemaker profile for tripleo
#
# === Parameters
#
# [*step*]
#   (Optional) The current step in deployment. See tripleo-heat-templates
#   for more details.
#   Defaults to hiera('step')
#
# [*pcs_tries*]
#   (Optional) The number of times pcs commands should be retried.
#   Defaults to hiera('pcs_tries', 20)
#
# [*remote_short_node_names*]
#   (Optional) List of short node names for pacemaker remote nodes
#   Defaults to hiera('pacemaker_remote_short_node_names', [])
#
# [*remote_node_ips*]
#   (Optional) List of node ips for pacemaker remote nodes
#   Defaults to hiera('pacemaker_remote_node_ips', [])
#
# [*remote_authkey*]
#   (Optional) Authkey for pacemaker remote nodes
#   Defaults to undef
#
# [*remote_reconnect_interval*]
#   (Optional) Reconnect interval for the remote
#   Defaults to hiera('pacemaker_remote_reconnect_interval', 60)
#
# [*remote_monitor_interval*]
#   (Optional) Monitor interval for the remote
#   Defaults to hiera('pacemaker_monitor_reconnect_interval', 20)
#
# [*remote_tries*]
#   (Optional) Number of tries for the remote resource creation
#   Defaults to hiera('pacemaker_remote_tries', 5)
#
# [*remote_try_sleep*]
#   (Optional) Number of seconds to sleep between remote creation tries
#   Defaults to hiera('pacemaker_remote_try_sleep', 60)
#
# [*cluster_recheck_interval*]
#   (Optional) Set the cluster-wide cluster-recheck-interval property
#   If the hiera key does not exist or if it is set to undef, the property
#   won't be changed from its default value when there are no pacemaker_remote
#   nodes. In presence of pacemaker_remote nodes and an undef value it will
#   be set to 60s.
#   Defaults to hiera('pacemaker_cluster_recheck_interval', undef)
#
class tripleo::profile::base::pacemaker (
  $step                      = hiera('step'),
  $pcs_tries                 = hiera('pcs_tries', 20),
  $remote_short_node_names   = hiera('pacemaker_remote_short_node_names', []),
  $remote_node_ips           = hiera('pacemaker_remote_node_ips', []),
  $remote_authkey            = undef,
  $remote_reconnect_interval = hiera('pacemaker_remote_reconnect_interval', 60),
  $remote_monitor_interval   = hiera('pacemaker_remote_monitor_interval', 20),
  $remote_tries              = hiera('pacemaker_remote_tries', 5),
  $remote_try_sleep          = hiera('pacemaker_remote_try_sleep', 60),
  $cluster_recheck_interval  = hiera('pacemaker_cluster_recheck_interval', undef),
) {

  if count($remote_short_node_names) != count($remote_node_ips) {
    fail("Count of ${remote_short_node_names} is not equal to count of ${remote_node_ips}")
  }

  Pcmk_resource <| |> {
    tries     => 10,
    try_sleep => 3,
  }

  if $::hostname == downcase(hiera('pacemaker_short_bootstrap_node_name')) {
    $pacemaker_master = true
  } else {
    $pacemaker_master = false
  }

  $enable_fencing = str2bool(hiera('enable_fencing', false)) and $step >= 5

  if $step >= 1 {
    $pacemaker_short_node_names = join(hiera('pacemaker_short_node_names'), ',')
    $pacemaker_cluster_members = downcase(regsubst($pacemaker_short_node_names, ',', ' ', 'G'))
    $corosync_ipv6 = str2bool(hiera('corosync_ipv6', false))
    if $corosync_ipv6 {
      $cluster_setup_extras = { '--token' => hiera('corosync_token_timeout', 1000), '--ipv6' => '' }
    } else {
      $cluster_setup_extras = { '--token' => hiera('corosync_token_timeout', 1000) }
    }
    class { '::pacemaker':
      hacluster_pwd => hiera('hacluster_pwd'),
    } ->
    class { '::pacemaker::corosync':
      cluster_members      => $pacemaker_cluster_members,
      setup_cluster        => $pacemaker_master,
      cluster_setup_extras => $cluster_setup_extras,
      remote_authkey       => $remote_authkey,
    }
    class { '::pacemaker::stonith':
      disable => !$enable_fencing,
      tries   => $pcs_tries,
    }
    if $enable_fencing {
      include ::tripleo::fencing

      # enable stonith after all Pacemaker resources have been created
      Pcmk_resource<||> -> Class['tripleo::fencing']
      Pcmk_constraint<||> -> Class['tripleo::fencing']
      Exec <| tag == 'pacemaker_constraint' |> -> Class['tripleo::fencing']
      # enable stonith after all fencing devices have been created
      Class['tripleo::fencing'] -> Class['pacemaker::stonith']
    }
    # We have pacemaker remote nodes configured so let's add them as resources
    # We do this during step 1 right after wait-for-settle, because during step 2
    # resources might already be created on pacemaker remote nodes and we need
    # a guarantee that remote nodes are already up
    if $pacemaker_master and count($remote_short_node_names) > 0 {
      # Creates a { "node" => "ip_address", ...} hash
      $remotes_hash = hash(zip($remote_short_node_names, $remote_node_ips))
      pacemaker::resource::remote { $remote_short_node_names:
        remote_address     => $remotes_hash[$title],
        reconnect_interval => $remote_reconnect_interval,
        op_params          => "monitor interval=${remote_monitor_interval}",
        verify_on_create   => true,
        tries              => $remote_tries,
        try_sleep          => $remote_try_sleep,
      }
    }
  }

  if $step >= 2 {
    if $pacemaker_master {
      include ::pacemaker::resource_defaults
      # When we have a non-zero number of pacemaker remote nodes we
      # want to set the cluster-recheck-interval property to something
      # lower (unless the operator has explicitely set a value)
      if count($remote_short_node_names) > 0 and $cluster_recheck_interval == undef {
        pacemaker::property{ 'cluster-recheck-interval-property':
          property => 'cluster-recheck-interval',
          value    => '60s',
          tries    => $pcs_tries,
        }
      } elsif $cluster_recheck_interval != undef {
        pacemaker::property{ 'cluster-recheck-interval-property':
          property => 'cluster-recheck-interval',
          value    => $cluster_recheck_interval,
          tries    => $pcs_tries,
        }
      }
    }
  }

}