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authorVishal Patil <vishpat@gmail.com>2016-10-04 09:50:23 -0400
committerGitHub <noreply@github.com>2016-10-04 09:50:23 -0400
commit21891653d3b287e6d78082ee03f878de415f16de (patch)
treecce02487ed8d94a93b7c141e0579e32feb026543 /roles/openshift_loadbalancer
parentb0ddb188ef1dc8484f4d9e1f7ae58dcd4ac6a299 (diff)
parente297a8c887c6fd1ba880a6977fdfe50a3a1ea2ee (diff)
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Merge pull request #1 from abutcher/nuage_ha
Filterize haproxy front/backends and add method for specifying custom front/backends
Diffstat (limited to 'roles/openshift_loadbalancer')
-rw-r--r--roles/openshift_loadbalancer/README.md51
-rw-r--r--roles/openshift_loadbalancer/meta/main.yml4
-rw-r--r--roles/openshift_loadbalancer/tasks/main.yml4
-rw-r--r--roles/openshift_loadbalancer/templates/haproxy.cfg.j28
4 files changed, 53 insertions, 14 deletions
diff --git a/roles/openshift_loadbalancer/README.md b/roles/openshift_loadbalancer/README.md
index 81fc282be..03e837e46 100644
--- a/roles/openshift_loadbalancer/README.md
+++ b/roles/openshift_loadbalancer/README.md
@@ -1,27 +1,68 @@
OpenShift HAProxy Loadbalancer
==============================
-TODO
+OpenShift HaProxy Loadbalancer Configuration
Requirements
------------
-TODO
+This role is intended to be applied to the [lb] host group which is
+separate from OpenShift infrastructure components.
+
+This role is not re-entrant. All haproxy configuration lives in a single file.
Role Variables
--------------
-TODO
+From this role:
+
+| Name | Default value | |
+|----------------------------------------|---------------|-------------------------------------------------------|
+| openshift_loadbalancer_limit_nofile | 100000 | Limit number of open files. |
+| openshift_loadbalancer_global_maxconn | 20000 | Maximum per-process number of concurrent connections. |
+| openshift_loadbalancer_default_maxconn | 20000 | Maximum per-process number of concurrent connections. |
+| openshift_loadbalancer_frontends | none | List of frontends. See example below. |
+| openshift_loadbalancer_backends | none | List of backends. See example below. |
Dependencies
------------
-TODO
+* openshift_facts
+* os_firewall
+* openshift_repos
Example Playbook
----------------
-TODO
+```
+- name: Configure loadbalancer hosts
+ hosts: lb
+ roles:
+ - role: openshift_loadbalancer
+ openshift_loadbalancer_frontends:
+ - name: atomic-openshift-api
+ mode: tcp
+ options:
+ - tcplog
+ binds:
+ - "*:8443"
+ default_backend: atomic-openshift-api
+ openshift_loadbalancer_backends:
+ - name: atomic-openshift-api
+ mode: tcp
+ option: tcplog
+ balance: source
+ servers:
+ - name: master1
+ address: "192.168.122.221:8443"
+ opts: check
+ - name: master2
+ address: "192.168.122.222:8443"
+ opts: check
+ - name: master3
+ address: "192.168.122.223:8443"
+ opts: check
+```
License
-------
diff --git a/roles/openshift_loadbalancer/meta/main.yml b/roles/openshift_loadbalancer/meta/main.yml
index ed846a1ba..e1d78cfd0 100644
--- a/roles/openshift_loadbalancer/meta/main.yml
+++ b/roles/openshift_loadbalancer/meta/main.yml
@@ -10,11 +10,11 @@ galaxy_info:
versions:
- 7
dependencies:
-- role: openshift_loadbalancer_facts
+- role: openshift_facts
- role: os_firewall
os_firewall_allow:
- service: haproxy stats
port: "9000/tcp"
- service: haproxy balance
- port: "{{ openshift.loadbalancer.frontend_port }}/tcp"
+ port: "{{ openshift_master_api_port | default(8443) }}/tcp"
- role: openshift_repos
diff --git a/roles/openshift_loadbalancer/tasks/main.yml b/roles/openshift_loadbalancer/tasks/main.yml
index 03a7c0e4a..bb4982e2d 100644
--- a/roles/openshift_loadbalancer/tasks/main.yml
+++ b/roles/openshift_loadbalancer/tasks/main.yml
@@ -7,15 +7,13 @@
file:
path: /etc/systemd/system/haproxy.service.d
state: directory
- when: "'limit_nofile' in openshift.loadbalancer"
- name: Configure the nofile limits for haproxy
ini_file:
dest: /etc/systemd/system/haproxy.service.d/limits.conf
section: Service
option: LimitNOFILE
- value: "{{ openshift.loadbalancer.limit_nofile }}"
- when: "'limit_nofile' in openshift.loadbalancer"
+ value: "{{ openshift_loadbalancer_limit_nofile | default(100000) }}"
notify: restart haproxy
register: nofile_limit_result
diff --git a/roles/openshift_loadbalancer/templates/haproxy.cfg.j2 b/roles/openshift_loadbalancer/templates/haproxy.cfg.j2
index b9a279f5f..79e695001 100644
--- a/roles/openshift_loadbalancer/templates/haproxy.cfg.j2
+++ b/roles/openshift_loadbalancer/templates/haproxy.cfg.j2
@@ -3,7 +3,7 @@
global
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
- maxconn {{ openshift.loadbalancer.global_maxconn }}
+ maxconn {{ openshift_loadbalancer_global_maxconn | default(20000) }}
user haproxy
group haproxy
daemon
@@ -32,14 +32,14 @@ defaults
timeout server 300s
timeout http-keep-alive 10s
timeout check 10s
- maxconn {{ openshift.loadbalancer.default_maxconn }}
+ maxconn {{ openshift_loadbalancer_default_maxconn | default(20000) }}
listen stats :9000
mode http
stats enable
stats uri /
-{% for frontend in openshift.loadbalancer.frontends %}
+{% for frontend in openshift_loadbalancer_frontends %}
frontend {{ frontend.name }}
{% for bind in frontend.binds %}
bind {{ bind }}
@@ -60,7 +60,7 @@ frontend {{ frontend.name }}
{% endif %}
{% endfor %}
-{% for backend in openshift.loadbalancer.backends %}
+{% for backend in openshift_loadbalancer_backends %}
backend {{ backend.name }}
balance {{ backend.balance }}
{% if 'mode' in backend %}