feat/remove-haproxy #24

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lanson merged 7 commits from feat/remove-haproxy into main 2024-10-06 11:46:57 +00:00
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aap_hub: null
automation_kind: null
category: null
critical: null
description: null
dt_dev: null
dt_prod: null
dt_update: 26/08/2024
requester: null
subCategory: null
time_saving: null
users: null
version: null

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<!-- DOCSIBLE START -->
# 📃 Role overview
## hashistack_ingress
Description: Deploys an ingress reverse-proxy on a hashistack-ansible managed nomad cluster
| Field | Value |
|---------------|------------|
| Readme update | 26/08/2024 |
### Tasks
## Author Information
Bertrand Lanson
#### License
license (BSD, MIT)
#### Minimum Ansible Version
2.10
#### Platforms
- **Ubuntu**: ['focal', 'jammy', 'noble']
- **Debian**: ['bullseye', 'bookworm']
<!-- DOCSIBLE END -->

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---
# defaults file for hashistack_ingress
hashistack_ingress_nomad_api_addr: "http://127.0.0.1:4646"
hashistack_ingress_nomad_api_token:
hashistack_ingress_job_name: HashistackHAProxyIngress
hashistack_ingress_datacenters: []
hashistack_ingress_namespace: default
hashistack_ingress_replicas: 1
hashistack_ingress_enable_consul_service: true
hashistack_ingress_virtual_ip_keepalived_version: latest
hashistack_ingress_virtual_ip_addr: "192.168.1.1"
hashistack_ingress_virtual_ip_interface: eth0
hashistack_ingress_virtual_ip_vrrp_interface: "{{ hashistack_ingress_virtual_ip_interface }}"
hashistack_ingress_virtual_ip_vrrp_router_id: 50
hashistack_ingress_virtual_ip_vrrp_priority: 100
hashistack_ingress_virtual_ip_vrrp_advertise_interval: 1
hashistack_ingress_virtual_ip_vrrp_password: password
hashistack_ingress_enable_http: true
hashistack_ingress_enable_https: false
hashistack_ingress_enable_prometheus_metrics: false
hashistack_ingress_enable_admin_interface: false
hashistack_ingress_admin_interface_password: password
hashistack_ingress_virtual_ip_haproxy_version: latest
hashistack_ingress_haproxy_global:
- log /dev/log local0
- log /dev/log local1 notice
- stats socket {{ deploy_haproxy_socket }} level admin
- chroot {{ deploy_haproxy_chroot }}
- daemon
- description hashistack haproxy
hashistack_ingress_haproxy_defaults:
- log global
- mode http
- option httplog
- option dontlognull
- timeout connect 5000
- timeout client 5000
- timeout server 5000
hashistack_ingress_haproxy_frontends: []
hashistack_ingress_haproxy_backends: []
hashistack_ingress_haproxy_listen: []

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---
# handlers file for hashistack_ingress

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---
# meta file for hashistack_ingress
galaxy_info:
namespace: "ednz_cloud"
role_name: "hashistack_ingress"
author: "Bertrand Lanson"
description: "Deploys an ingress reverse-proxy on a hashistack-ansible managed nomad cluster"
license: "license (BSD, MIT)"
min_ansible_version: "2.10"
platforms:
- name: Ubuntu
versions:
- focal
- jammy
- noble
- name: Debian
versions:
- bullseye
- bookworm
galaxy_tags:
- "ubuntu"
- "debian"
- "hashicorp"
- "nomad"
- "haproxy"
- "ingress"
dependencies: []

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---
# task/main file for hashistack_ingress

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#! /bin/sh

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# {{ ansible_managed }}
global
{% for option in hashistack_ingress_haproxy_global %}
{{ option }}
{% endfor %}
defaults
{% for option in hashistack_ingress_haproxy_defaults %}
{{ option }}
{% endfor %}
{% for frontend in hashistack_ingress_haproxy_frontends + hashistack_ingress_mandatory_frontends %}
frontend {{ frontend.name }}
{% for option in frontend.options %}
{{ option }}
{% endfor %}
{% endfor %}
{% for backend in hashistack_ingress_haproxy_backends %}
backend {{ backend.name }}
{% for option in backend.options%}
{{ option }}
{% endfor %}
{% endfor %}
{% for listen in hashistack_ingress_haproxy_listen %}
listen {{ listen.name }}
{% for option in listen.options %}
{{ option }}
{% endfor %}
{% endfor %}

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job "{{ hashistack_ingress_job_name }}" {
datacenters = {{ hashistack_ingress_datacenters }}
type = "service"
priority = 85
namespace = {{ hashistack_ingress_namespace }}
group "haproxy" {
network {
mode = "bridge"
port "http" {
to = 80
static = 80
}
port "https" {
to = 443
static = 443
}
port "stats" {
to = 9000
}
}
{% if hashistack_ingress_enable_http %}
service {
name = "haproxy-http"
provider = "{{ "consul" if hashistack_ingress_enable_consul_service else "nomad"}}"
port = "http"
task = "loadbalancer"
check {
type = "http"
port = "stats"
path = "/health"
interval = "10s"
timeout = "2s"
}
tags = []
}
{% endif %}
{% if hashistack_ingress_enable_https %}
service {
name = "haproxy-https"
provider = "{{ "consul" if hashistack_ingress_enable_consul_service else "nomad"}}"
port = "https"
task = "loadbalancer"
check {
type = "http"
port = "stats"
path = "/health"
interval = "10s"
timeout = "2s"
}
tags = []
}
{% endif %}
service {
name = "haproxy-stats"
provider = "{{ "consul" if hashistack_ingress_enable_consul_service else "nomad"}}"
port = "stats"
task = "loadbalancer"
check {
type = "http"
port = "stats"
path = "/health"
interval = "10s"
timeout = "2s"
}
tags = []
}
{% if hashistack_ingress_enable_prometheus_metrics %}
service {
name = "loadbalancer-exporter"
port = "prometheus-exporter"
task = "loadbalancer"
tags = []
}
{% endif %}
task "keepalived" {
driver = "docker"
lifecycle {
hook = "poststart"
sidecar = true
}
config {
image = "{{ hashistack_ingress_keepalived_image }}:{{ hashistack_ingress_virtual_ip_keepalived_version }}"
network_mode = "host"
cap_add = [
"NET_ADMIN",
"NET_BROADCAST",
"NET_RAW"
]
mount {
type = "bind"
source = "secrets/keepalived.conf"
target = "/etc/keepalived/keepalived.conf"
}
mount {
type = "bind"
source = "secrets/chk_haproxy.sh"
target = "/etc/keepalived/scripts.d/chk_haproxy.sh"
}
mount {
type = "bind"
target = "/var/run/docker.sock"
source = "/var/run/docker.sock"
readonly = true
}
}
template {
data = <<-EOT
{% include "keepalived.conf.j2" %}
EOT
destination = "secrets/keepalived.conf"
}
template {
data = <<-EOT
{% include "chk_haproxy.sh.j2" %}
EOT
destination = "secrets/chk_haproxy.sh"
perms = "755"
}
resources {
cpu = 50
memory = 10
}
}
task "loadbalancer" {
driver = "docker"
config {
image = "{{ hashistack_ingress_haproxy_image }}:{{ hashistack_ingress_virtual_ip_haproxy_version }}"
mount {
type = "bind"
source = "secrets/haproxy.cfg"
target = "/usr/local/etc/haproxy/haproxy.cfg"
}
}
template {
data = <<-EOT
{% include "haproxy.cfg.j2" %}
EOT
destination = "secrets/haproxy.cfg"
}
resources {
cpu = 128
memory = 256
}
}
}
}

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global_defs {
script_user root
enable_script_security
}
vrrp_script chk_haproxy {
script "/etc/keepalived/scripts.d/chk_haproxy.sh"
user root
interval 3
weight 0
rise 6
fall 1
}
vrrp_instance haproxy {
interface {{ hashistack_ingress_virtual_ip_vrrp_interface }}
state {{ hashistack_ingress_keepalived_init_state }}
virtual_router_id {{ hashistack_ingress_virtual_ip_vrrp_router_id }}
priority {{ hashistack_ingress_virtual_ip_vrrp_priority }}
advert_int {{ hashistack_ingress_virtual_ip_vrrp_advertise_interval }}
authentication {
auth_type PASS
auth_pass {{ hashistack_ingress_virtual_ip_vrrp_password }}
}
virtual_ipaddress {
{{ hashistack_ingress_virtual_ip_addr }}/32 dev {{ hashistack_ingress_virtual_ip_interface }}
}
track_script {
chk_haproxy
}
notify /etc/keepalived/scripts.d/notify.sh
}

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---
# vars file for hashistack_ingress
hashistack_ingress_keepalived_image: ednxzu/keepalived
hashistack_ingress_haproxy_image: haproxytech/haproxy-debian
hashistack_ingress_keepalived_init_state: BACKUP
hashistack_ingress_template_haproxy_cfg: "{{ lookup('ansible.builtin.template', 'haproxy.cfg.j2') }}"
hashistack_ingress_template_keepalived_conf: "{{ lookup('ansible.builtin.template', 'keepalived.conf.j2') }}"
hashistack_ingress_template_chk_haproxy_sh: "{{ lookup('ansible.builtin.template', 'chk_haproxy.sh.j2') }}"
hashistack_ingress_mandatory_frontends:
- name: monitoring
options:
- bind :9000
- mode http
- option httpchk
- "{{'stats enable' if hashistack_ingress_enable_admin_interface else omit }}"
- "{{'stats uri /stats' if hashistack_ingress_enable_admin_interface else omit }}"
- "{{'stats refresh 30s' if hashistack_ingress_enable_admin_interface else omit }}"
- "{{'stats show-desc' if hashistack_ingress_enable_admin_interface else omit }}"
- "{{'stats show-legends' if hashistack_ingress_enable_admin_interface else omit }}"
- "{{'stats auth admin:'~hashistack_ingress_admin_interface_password if hashistack_ingress_enable_admin_interface else omit }}"
- http-check send meth GET uri /health ver HTTP/1.1 hdr Host localhost
- http-check expect status 200
- acl health_check_ok nbsrv() ge 1
- monitor-uri /health
- "{{'http-request use-service prometheus-exporter if { path /metrics }' if hashistack_ingress_enable_prometheus_metrics else omit }}"