summaryrefslogtreecommitdiffstats
path: root/manifests/profile/pacemaker/haproxy.pp
blob: f006f780d050da2ed73782ae67081a77e31e754e (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
# 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::pacemaker::haproxy
#
# HAproxy with Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*bootstrap_node*]
#   (Optional) The hostname of the node responsible for bootstrapping tasks
#   Defaults to hiera('haproxy_short_bootstrap_node_name')
#
# [*enable_load_balancer*]
#   (Optional) Whether load balancing is enabled for this cluster
#   Defaults to hiera('enable_load_balancer', true)
#
# [*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)
#
class tripleo::profile::pacemaker::haproxy (
  $bootstrap_node       = hiera('haproxy_short_bootstrap_node_name'),
  $enable_load_balancer = hiera('enable_load_balancer', true),
  $step                 = hiera('step'),
  $pcs_tries            = hiera('pcs_tries', 20),
) {
  include ::tripleo::profile::base::haproxy

  if $::hostname == downcase($bootstrap_node) {
    $pacemaker_master = true
  } else {
    $pacemaker_master = false
  }

  if $step >= 1 and $pacemaker_master and hiera('stack_action') == 'UPDATE' and $enable_load_balancer {
    tripleo::pacemaker::resource_restart_flag { 'haproxy-clone':
      subscribe => Concat['/etc/haproxy/haproxy.cfg'],
    }
  }

  if $step >= 2 and $enable_load_balancer {
    pacemaker::property { 'haproxy-role-node-property':
      property => 'haproxy-role',
      value    => true,
      tries    => $pcs_tries,
      node     => $::hostname,
    }
    if $pacemaker_master {
      $haproxy_location_rule = {
        resource_discovery => 'exclusive',
        score              => 0,
        expression         => ['haproxy-role eq true'],
      }
      # FIXME: we should not have to access tripleo::haproxy class
      # parameters here to configure pacemaker VIPs. The configuration
      # of pacemaker VIPs could move into puppet-tripleo or we should
      # make use of less specific hiera parameters here for the settings.
      pacemaker::resource::service { 'haproxy':
        op_params     => 'start timeout=200s stop timeout=200s',
        clone_params  => true,
        location_rule => $haproxy_location_rule,
        tries         => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }

      $control_vip = hiera('controller_virtual_ip')
      tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_control_vip':
        vip_name      => 'control',
        ip_address    => $control_vip,
        location_rule => $haproxy_location_rule,
        pcs_tries     => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }

      $public_vip = hiera('public_virtual_ip')
      tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_public_vip':
        ensure        => $public_vip and $public_vip != $control_vip,
        vip_name      => 'public',
        ip_address    => $public_vip,
        location_rule => $haproxy_location_rule,
        pcs_tries     => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }

      $redis_vip = hiera('redis_vip')
      tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_redis_vip':
        ensure        => $redis_vip and $redis_vip != $control_vip,
        vip_name      => 'redis',
        ip_address    => $redis_vip,
        location_rule => $haproxy_location_rule,
        pcs_tries     => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }

      $internal_api_vip = hiera('internal_api_virtual_ip')
      tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_internal_api_vip':
        ensure        => $internal_api_vip and $internal_api_vip != $control_vip,
        vip_name      => 'internal_api',
        ip_address    => $internal_api_vip,
        location_rule => $haproxy_location_rule,
        pcs_tries     => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }

      $storage_vip = hiera('storage_virtual_ip')
      tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_storage_vip':
        ensure        => $storage_vip and $storage_vip != $control_vip,
        vip_name      => 'storage',
        ip_address    => $storage_vip,
        location_rule => $haproxy_location_rule,
        pcs_tries     => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }

      $storage_mgmt_vip = hiera('storage_mgmt_virtual_ip')
      tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_storage_mgmt_vip':
        ensure        => $storage_mgmt_vip and $storage_mgmt_vip != $control_vip,
        vip_name      => 'storage_mgmt',
        ip_address    => $storage_mgmt_vip,
        location_rule => $haproxy_location_rule,
        pcs_tries     => $pcs_tries,
        require       => Pacemaker::Property['haproxy-role-node-property'],
      }
    }
  }

}