Jean-Philippe Evrard 2de7b4954c Fix haproxy checks
In the precedent patch [1], I suggested the removal of the test script
used, but that change was not included in the commit.

Therefore, the wiring is currently done with a ping test script,
but the test script has no ip address to ping (incomplete command),
leading to failures.

Instead we should ping on an IP that's reachable on all cases,
which defaults to the default route, or a localhost, unless
the user decides to define its own ip address (like an upstream
router, or a public IP).

[1]: https://review.openstack.org/#/c/580379/

Change-Id: I2f818fd8ed6600ffc0de9557ad56a769ec09881e
2018-07-17 09:31:55 +00:00

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---
# Copyright 2015, Jean-Philippe Evrard <jean-philippe@evrard.me>
#
# 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.
keepalived_ping_count: 1
keepalived_ping_interval: 10
keepalived_ubuntu_src: "native"
keepalived_ping_address: "{{ ansible_default_ipv4['gateway'] | default('127.0.0.1') }}"
keepalived_sync_groups:
haproxy:
instances:
- external
- internal
notify_script: /etc/keepalived/haproxy_notify.sh
##if a src_*_script is defined, it will be uploaded from src_*_script
##on the deploy host to the *_script location. Make sure *_script is
##a location in that case.
src_notify_script: "{{ playbook_dir }}/../scripts/keepalived_haproxy_notifications.sh"
keepalived_global_defs:
- "enable_script_security"
keepalived_scripts:
haproxy_check_script:
check_script: "/bin/kill -0 `cat /var/run/haproxy.pid`"
pingable_check_script:
check_script: "/bin/ping -c {{ keepalived_ping_count }} {{ keepalived_ping_address }} 1>&2"
interval: "{{ keepalived_ping_interval }}"
fall: 2
rise: 4
# If you have more than 5 keepalived nodes, you should build your own script
# (handling master and backups servers), and replace in keepalived_instances:
# priority: "{{ (groups['haproxy']|length-groups['haproxy'].index(inventory_hostname)*50 }}"
# by
# priority: "{{ (groups['haproxy'].index(inventory_hostname) == 0) | ternary('100','50') }}"
keepalived_instances:
external:
interface: "{{ haproxy_keepalived_external_interface | default(management_bridge) }}"
state: "{{ (groups['haproxy'].index(inventory_hostname) == 0) | ternary('MASTER', 'BACKUP') }}"
virtual_router_id: "{{ haproxy_keepalived_external_virtual_router_id | default ('10') }}"
priority: "{{ (groups['haproxy']|length-groups['haproxy'].index(inventory_hostname))*50 }}"
authentication_password: "{{ haproxy_keepalived_authentication_password }}"
vips:
- "{{ haproxy_keepalived_external_vip_cidr | default('169.254.1.1/24') }} dev {{ haproxy_keepalived_external_interface | default(management_bridge) }}"
track_scripts:
- haproxy_check_script
- pingable_check_script
internal:
interface: "{{ haproxy_keepalived_internal_interface | default(management_bridge) }}"
state: "{{ (groups['haproxy'].index(inventory_hostname) == 0) | ternary('MASTER', 'BACKUP') }}"
virtual_router_id: "{{ haproxy_keepalived_internal_virtual_router_id | default ('11') }}"
priority: "{{ (groups['haproxy']|length-groups['haproxy'].index(inventory_hostname))*50 }}"
authentication_password: "{{ haproxy_keepalived_authentication_password }}"
track_scripts:
- haproxy_check_script
- pingable_check_script
vips:
- "{{ haproxy_keepalived_internal_vip_cidr | default('169.254.2.1/24') }} dev {{ haproxy_keepalived_internal_interface | default(management_bridge) }}"