From 785cae7ccf8c69366438a446ff121ecbb7ad5465 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 8 Dec 2020 20:06:25 +0100
Subject: add grahpite web and grafana roles

---
 roles/monitoring/graphite/web/defaults/main.yml    |  5 +++
 roles/monitoring/graphite/web/handlers/main.yml    |  1 +
 roles/monitoring/graphite/web/tasks/main.yml       | 50 ++++++++++++++++++++++
 .../graphite/web/templates/nginx-vhost.conf.j2     | 20 +++++++++
 .../graphite/web/templates/uwsgi-app.ini.j2        |  8 ++++
 5 files changed, 84 insertions(+)
 create mode 100644 roles/monitoring/graphite/web/defaults/main.yml
 create mode 100644 roles/monitoring/graphite/web/handlers/main.yml
 create mode 100644 roles/monitoring/graphite/web/tasks/main.yml
 create mode 100644 roles/monitoring/graphite/web/templates/nginx-vhost.conf.j2
 create mode 100644 roles/monitoring/graphite/web/templates/uwsgi-app.ini.j2

(limited to 'roles/monitoring/graphite/web')

diff --git a/roles/monitoring/graphite/web/defaults/main.yml b/roles/monitoring/graphite/web/defaults/main.yml
new file mode 100644
index 00000000..167c39a1
--- /dev/null
+++ b/roles/monitoring/graphite/web/defaults/main.yml
@@ -0,0 +1,5 @@
+---
+# graphite_web_secret_key:  <--- pwgen -s 64 -1
+
+graphite_web_nginx_listen: 127.0.0.1:81 default_server
+graphite_web_uwsgi_port: 3031
diff --git a/roles/monitoring/graphite/web/handlers/main.yml b/roles/monitoring/graphite/web/handlers/main.yml
new file mode 100644
index 00000000..ed97d539
--- /dev/null
+++ b/roles/monitoring/graphite/web/handlers/main.yml
@@ -0,0 +1 @@
+---
diff --git a/roles/monitoring/graphite/web/tasks/main.yml b/roles/monitoring/graphite/web/tasks/main.yml
new file mode 100644
index 00000000..7c796722
--- /dev/null
+++ b/roles/monitoring/graphite/web/tasks/main.yml
@@ -0,0 +1,50 @@
+---
+- name: instsall apt packages
+  apt:
+    name: graphite-web
+    state: present
+
+- name: configure secret key
+  lineinfile:
+    path: /etc/graphite/local_settings.py
+    regexp: '#?SECRET_KEY\s*='
+    line: "SECRET_KEY = '{{ graphite_web_secret_key }}'"
+
+- name: initialize database
+  become: yes
+  become_method: su
+  become_user: "_graphite"
+  become_flags: "-s /bin/bash"
+  command: graphite-manage migrate --run-syncdb
+  args:
+    creates: /var/lib/graphite/graphite.db
+
+- name: fix sqlite database permissions
+  file:
+    path: /var/lib/graphite/graphite.db
+    owner: "_graphite"
+    group: "_graphite"
+    mode: "0600"
+
+- name: check if uwsgi plugin python3 is installed
+  assert:
+    msg: "This role needs uwsgi with python3 plugin installed"
+    that:
+      - uwsgi_plugins is defined
+      - "'python3' in uwsgi_plugins"
+
+- name: install uwsgi app
+  vars:
+    uwsgi_app:
+      name: graphite
+      content: "{{ lookup('template', 'uwsgi-app.ini.j2') }}"
+  include_role:
+    name: uwsgi/app
+
+- name: install nginx vhost
+  vars:
+    nginx_vhost:
+      name: graphite
+      content: "{{ lookup('template', 'nginx-vhost.conf.j2') }}"
+  include_role:
+    name: nginx/vhost
diff --git a/roles/monitoring/graphite/web/templates/nginx-vhost.conf.j2 b/roles/monitoring/graphite/web/templates/nginx-vhost.conf.j2
new file mode 100644
index 00000000..48b6ef73
--- /dev/null
+++ b/roles/monitoring/graphite/web/templates/nginx-vhost.conf.j2
@@ -0,0 +1,20 @@
+server {
+  listen {{ graphite_web_nginx_listen }};
+
+  server_name _;
+
+  location / {
+    include uwsgi_params;
+    uwsgi_pass 127.0.0.1:{{ graphite_web_uwsgi_port }};
+  }
+  rewrite ^/admin(.*)admin/([^/]+)/([^/]+)$ /media/$2/$3 redirect;
+  location /media {
+    alias /usr/share/python-django-common/django/contrib/admin/static/admin/;
+  }
+  location /static/ {
+    alias /usr/share/graphite-web/static/;
+  }
+
+  access_log /var/log/nginx/access-graphite.log;
+  error_log /var/log/nginx/error-graphite.log;
+}
diff --git a/roles/monitoring/graphite/web/templates/uwsgi-app.ini.j2 b/roles/monitoring/graphite/web/templates/uwsgi-app.ini.j2
new file mode 100644
index 00000000..e5b01a04
--- /dev/null
+++ b/roles/monitoring/graphite/web/templates/uwsgi-app.ini.j2
@@ -0,0 +1,8 @@
+[uwsgi]
+plugin = python3
+processes = 2
+socket = 127.0.0.1:{{ graphite_web_uwsgi_port }}
+gid = _graphite
+uid = _graphite
+chdir = /usr/share/graphite-web
+wsgi-file = /usr/share/graphite-web/graphite.wsgi
-- 
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