added support for cluster replacement

pull/1/head
Marco Lettere 2 years ago
parent 1aa5a12e26
commit b593aabc91
  1. 56
      ansible/roles/cluster-replacement/defaults/main.yml
  2. 16
      ansible/roles/cluster-replacement/tasks/main.yml
  3. 56
      ansible/roles/cluster-replacement/templates/haproxy-docker-swarm.yaml.j2
  4. 75
      ansible/roles/cluster-replacement/templates/haproxy.cfg.j2
  5. 3
      ansible/roles/cluster-replacement/vars/main.yml
  6. 2
      ansible/roles/common/defaults/main.yaml
  7. 1
      ansible/roles/conductor/defaults/main.yaml
  8. 22
      ansible/roles/conductor/templates/conductor-swarm.yaml.j2
  9. 29
      ansible/site-with-cluster-replacement.yaml

@ -0,0 +1,56 @@
---
haproxy_latest_release: True
haproxy_version: 2.2
haproxy_repo_key: 'http://haproxy.debian.net/bernat.debian.org.gpg'
haproxy_debian_latest_repo: "deb http://haproxy.debian.net {{ ansible_lsb.codename }}-backports-{{ haproxy_version }} main"
haproxy_ubuntu_latest_repo: "ppa:vbernat/haproxy-{{ haproxy_version }}"
haproxy_pkg_state: present
haproxy_enabled: True
haproxy_loglevel: info
haproxy_k_bind_non_local_ip: True
haproxy_docker_container: False
haproxy_docker_version: '{{ haproxy_version }}.4'
haproxy_docker_image: 'haproxytech/haproxy-debian:{{ haproxy_version }}.4'
haproxy_docker_compose_dir: /srv/haproxy_swarm
haproxy_docker_restart_policy: 'on-failure'
haproxy_ha_with_keepalived: False
haproxy_docker_swarm_networks:
- '{{ docker_swarm_portainer_network }}'
haproxy_docker_swarm_additional_networks: []
haproxy_docker_swarm_haproxy_constraints:
- 'node.role == manager'
haproxy_docker_swarm_additional_services: [{ acl_name: 'conductor-server', acl_rule: 'hdr_dom(host) -i conductor-server.int.d4science.net', stack_name: 'conductor', service_name: 'conductor-server', service_replica_num: '2', service_port: '8080', service_overlay_network: 'conductor-network', stick_sessions: False, stick_on_cookie: True, stick_cookie: 'JSESSIONID', stick_table: 'type ip size 2m expire 180m', balance_type: 'roundrobin', backend_options: '', http_check_enabled: True, http_check: 'meth GET uri /api/health ver HTTP/1.1 hdr Host localhost', http_check_expect: 'rstatus (2|3)[0-9][0-9]' }, { acl_name: 'conductor-ui', acl_rule: 'hdr_dom(host) -i conductor-ui.int.d4science.net', stack_name: 'conductor', service_name: 'conductor-ui', service_replica_num: '2', service_port: '5000', service_overlay_network: 'conductor-network', stick_sessions: False, stick_on_cookie: True, stick_cookie: 'JSESSIONID', stick_table: 'type ip size 2m expire 180m', balance_type: 'roundrobin', backend_options: '', http_check_enabled: True, http_check: 'meth GET uri / ver HTTP/1.1 hdr Host localhost', http_check_expect: 'rstatus (2|3)[0-9][0-9]' }]
# - { acl_name: 'service', acl_rule: 'hdr_dom(host) -i service.example.com', stack_name: 'stack', service_name: 'service', service_replica_num: '1', service_port: '9999', service_overlay_network: 'service-network', stick_sessions: False, stick_on_cookie: True, stick_cookie: 'JSESSIONID', stick_table: 'type ip size 2m expire 180m', balance_type: 'roundrobin', backend_options: '', http_check_enabled: True, http_check: 'meth HEAD uri / ver HTTP/1.1 hdr Host localhost', http_check_expect: 'rstatus (2|3)[0-9][0-9]', allowed_networks: '192.168.1.0/24 192.168.2.0/24' }
haproxy_default_port: 80
haproxy_terminate_tls: False
haproxy_ssl_port: 443
haproxy_admin_port: 8880
haproxy_admin_socket: /run/haproxy/admin.sock
haproxy_install_additional_pkgs: False
haproxy_additional_pkgs:
- haproxyctl
- haproxy-log-analysis
haproxy_nagios_check: False
# It's a percentage
haproxy_nagios_check_w: 70
haproxy_nagios_check_c: 90
# Used by some other role as defaults, eg docker-swarm
haproxy_spread_checks: 5
haproxy_connect_timeout: 10s
haproxy_client_timeout: 120s
haproxy_server_timeout: 480s
haproxy_global_keepalive_timeout: 10s
haproxy_client_keepalive_timeout: 5184000s
haproxy_backend_maxconn: 2048
haproxy_check_interval: 3s
haproxy_check_timeout: 2s
haproxy_maxconns: 4096
haproxy_sysctl_conntrack_max: 131072

@ -0,0 +1,16 @@
---
- name: Generate haproxy config
template:
src: templates/haproxy.cfg.j2
dest: "{{ target_path }}/haproxy.cfg"
- name: Generate haproxy-docker-swarm
template:
src: templates/haproxy-docker-swarm.yaml.j2
dest: "{{ target_path }}/haproxy-swarm.yaml"
- name: Create the overlay network that will be joined by the proxied services
docker_network:
name: '{{ haproxy_docker_overlay_network }}'
driver: overlay
scope: swarm

@ -0,0 +1,56 @@
version: '3.6'
services:
haproxy:
image: {{ haproxy_docker_image }}
configs:
- source: haproxy-config
target: /usr/local/etc/haproxy/haproxy.cfg
networks:
- {{ haproxy_docker_overlay_network }}
volumes:
#- /etc/haproxy:/usr/local/etc/haproxy:ro
- /var/run/docker.sock:/var/run/docker.sock
ports:
- target: {{ haproxy_default_port }}
published: {{ haproxy_default_port }}
protocol: tcp
mode: host
- target: {{ haproxy_ssl_port }}
published: {{ haproxy_ssl_port }}
protocol: tcp
mode: host
- target: {{ haproxy_admin_port }}
published: {{ haproxy_admin_port }}
protocol: tcp
mode: host
dns: [127.0.0.11]
deploy:
mode: replicated
replicas: 1
update_config:
parallelism: 1
delay: 20s
placement:
constraints:
- "node.role==manager"
restart_policy:
condition: {{ haproxy_docker_restart_policy}}
delay: 20s
max_attempts: 5
window: 120s
resources:
limits:
cpus: '2.0'
memory: 768M
reservations:
cpus: '1.0'
memory: 384M
logging:
driver: 'journald'
configs:
haproxy-config:
file: ./haproxy.cfg
networks:
{{ haproxy_docker_overlay_network }}:
external: true

@ -0,0 +1,75 @@
global
log fd@2 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 4000
user haproxy
group haproxy
stats socket /var/lib/haproxy/stats expose-fd listeners
master-worker
resolvers docker
nameserver dns1 127.0.0.11:53
resolve_retries 3
timeout resolve 1s
timeout retry 1s
hold other 10s
hold refused 10s
hold nx 10s
hold timeout 10s
hold valid 10s
hold obsolete 10s
defaults
timeout connect 10s
timeout client 30s
timeout server 30s
log global
monitor-uri /_haproxy_health_check
timeout http-keep-alive {{ haproxy_global_keepalive_timeout }}
timeout connect {{ haproxy_connect_timeout }}
timeout client {{ haproxy_client_timeout }}
timeout server {{ haproxy_server_timeout }}
timeout check {{ haproxy_check_timeout }}
timeout http-request 10s # slowloris protection
default-server inter 3s fall 2 rise 2 slowstart 60s
# Needed to preserve the stick tables
peers mypeers
peer local_haproxy 127.0.0.1:1024
frontend http
bind *:{{ haproxy_default_port }}
mode http
option http-keep-alive
{% for srv in haproxy_docker_swarm_additional_services %}
use_backend {{ srv.acl_name }}_bck if { {{ srv.acl_rule }} }
{% endfor %}
#
# Backends
#
{% for srv in haproxy_docker_swarm_additional_services %}
backend {{ srv.acl_name }}_bck
mode http
option httpchk
balance {{ srv.balance_type | default('roundrobin') }}
{% if srv.http_check_enabled is defined and srv.http_check_enabled %}
http-check send {{ srv.http_check }}
http-check expect {{ srv.http_check_expect }}
{% endif %}
{% if srv.stick_sessions %}
{% if srv.stick_on_cookie %}
cookie {{ srv.stick_cookie }}
{% else %}
stick on src
stick-table {{ srv.stick_table }}
{% endif %}
{% endif %}
server-template {{ srv.service_name }}- {{ srv.service_replica_num }} {{ srv.stack_name }}_{{ srv.service_name }}:{{ srv.service_port }} {{ srv.backend_options | default('') }} check resolvers docker init-addr libc,none
{% endfor %}

@ -0,0 +1,3 @@
---
cluster_replacement: True
haproxy_docker_overlay_network: 'haproxy-public'

@ -1,3 +1,3 @@
---
target_path: /tmp/conductor_stack
target_path: /tmp/conductor_stack_haproxy
conductor_network: conductor-network

@ -2,3 +2,4 @@
conductor_replicas: 2
conductor_config: conductor-swarm-config.properties
conductor_config_template: "{{ conductor_config }}.j2"

@ -7,12 +7,19 @@ services:
image: nubisware/conductor-server
networks:
- {{ conductor_network }}
{% if (cluster_replacement is defined and cluster_replacement) or (cluster_check is defined and cluster_check) %}
- {{ haproxy_docker_overlay_network }}
{% endif %}
{% if (cluster_replacement is not defined or not cluster_replacement) or (cluster_check is not defined or not cluster_check) %}
ports:
- "8080:8080"
{% endif %}
deploy:
mode: replicated
replicas: {{ conductor_replicas }}
#endpoint_mode: dnsrr
{% if (cluster_replacement is defined and cluster_replacement) or (cluster_check is defined and cluster_check) %}
endpoint_mode: dnsrr
{% endif %}
placement:
constraints: [node.role == worker]
restart_policy:
@ -33,12 +40,19 @@ services:
image: nubisware/conductor-ui
networks:
- {{ conductor_network }}
{% if (cluster_replacement is defined and cluster_replacement) or (cluster_check is defined and cluster_check) %}
- {{ haproxy_docker_overlay_network }}
{% endif %}
{% if (cluster_replacement is not defined or not cluster_replacement) or (cluster_check is not defined or not cluster_check) %}
ports:
- "5000:5000"
{% endif %}
deploy:
mode: replicated
replicas: {{ conductor_replicas }}
#endpoint_mode: dnsrr
{% if (cluster_replacement is defined and cluster_replacement) or (cluster_check is defined and cluster_check) %}
endpoint_mode: dnsrr
{% endif %}
placement:
constraints: [node.role == worker]
restart_policy:
@ -49,6 +63,10 @@ services:
networks:
{{ conductor_network }}:
{% if (cluster_replacement is defined and cluster_replacement) or (cluster_check is defined and cluster_check) %}
{{ haproxy_docker_overlay_network }}:
external: True
{% endif %}
configs:
swarm-config:

@ -0,0 +1,29 @@
---
- hosts: localhost
roles:
- common
- elasticsearch
- dynomite
tasks:
- name: Start dynomite and es
docker_stack:
name: conductor
state: present
compose:
- "{{ target_path }}/dynomite-swarm.yaml"
- "{{ target_path }}/elasticsearch-swarm.yaml"
- hosts: localhost
roles:
- common
- cluster-replacement
- conductor
tasks:
- name: Start conductor
docker_stack:
name: conductor
state: present
compose:
- "{{ target_path }}/conductor-swarm.yaml"
- "{{ target_path }}/haproxy-swarm.yaml"
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