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Infrastructure GitLab Updates

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In this push, we are making a decent amount of updates to the gitlab
playbooks as well as updating the README. See below for the changes:

* README updated for further clarity
* GitLab role with further reconfiguration for group lookups
* GitLab role with further reconfiguration to disable built-in nginx
* nginx configuration added and provided to work with omnibus
* GitLab variables updated
This commit is contained in:
nazunalika 2020-12-17 23:40:14 -07:00
parent 5383853681
commit c6323199f4
7 changed files with 261 additions and 14 deletions
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14
ansible/README.md
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@ -67,6 +67,10 @@ role-* -> These playbooks call roles specifically for infrastructure tasks.
on their usage.
```
## Ansible Configuration
The ansible configuration declares our defaults for our ansible host. This is especially true for the "destinations", where the roles and collections are referenced.
## Designing Playbooks
### Pre flight and post flight
@ -152,3 +156,13 @@ Right now, this is a good template to start with: https://github.com/Darkbat91/a
When pushing to your own forked version of this repository, pre-commit must run to verify your changes. They must be passing to be pushed up. This is an absolute requirement, even for roles.
When the linter passes, the push will complete and you will be able to open a PR.
## Initializing the Ansible Host
When initializing the ansible host, you should be in `./infrastructure/ansible` so that the `ansible.cfg` is used. You will need to run the `init-rocky-ansible-host.yml` playbook and to get started, which will install all the roles and collections required for the playbooks to run.
```
% git clone https://github.com/rocky-linux/infrastructure
% cd infrastructure/ansible
% ansible-playbook playbooks/init-rocky-ansible-host.yml
```

10
ansible/playbooks/handlers/main.yml
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@ -9,6 +9,11 @@
name: httpd
state: restarted
- name: restart_nginx
service:
name: nginx
state: restarted
- name: reload_networkmanager
service:
name: NetworkManager
@ -22,3 +27,8 @@
name: "{{ chrony_service_name }}"
state: restarted
listen: "chrony service restart"
- name: restart_gitlab
command: gitlab-ctl reconfigure
register: gitlab_restart
failed_when: gitlab_restart_handler_failed_when | bool

5
ansible/playbooks/role-gitlab-ee.yml
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@ -11,11 +11,13 @@
stat:
path: /etc/no-ansible
register: no_ansible
- name: Verify if we can run ansible
assert:
that:
- "not no_ansible.stat.exists"
msg: "/etc/no-ansible exists - skipping un on this node"
- name: Install SELinux packages
package:
name: python3-policycoreutils.noarch
@ -26,6 +28,9 @@
state: present
post_tasks:
- name: Reconfigure GitLab
import_tasks: tasks/gitlab-reconfigure.yml
- name: Touching run file that ansible has ran here
file:
path: /var/log/ansible.run

90
ansible/playbooks/tasks/gitlab-reconfigure.yml Normal file
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@ -0,0 +1,90 @@
---
# We need to do some additional configuration for GitLab to ensure that it
# works and operates immediately with FreeIPA.
- name: Insert Additional GitLab EE Settings
blockinfile:
path: /etc/gitlab/gitlab.rb
block: |
gitlab_rails['ldap_group_base'] = 'cn=groups,cn=accounts,dc=rockylinux,dc=org'
gitlab_rails['ldap_admin_group'] = 'cn=gitadm,cn=groups,cn=accounts,dc=rockylinux,dc=org'
nginx['enable'] = false
nginx['external_users'] = ['nginx']
notify: restart_gitlab
- name: Install nginx normally
yum:
name: nginx
state: present
- name: Reconfigure Main nginx configuration
template:
src: "etc/nginx/nginx.conf.j2"
dest: "/etc/nginx/nginx.conf"
owner: root
group: root
mode: '0644'
backup: true
- name: Add omnibus nginx configuration
template:
src: "etc/nginx/conf.d/omnibus.conf.j2"
dest: "/etc/nginx/conf.d/omnibus.conf"
owner: root
group: root
mode: '0644'
backup: true
- name: Copy self-signed certificates from GitLab
copy:
src: "/etc/gitlab/ssl/{{ gitlab_domain }}.crt"
dest: "/etc/nginx/ssl/{{ gitlab_domain }}.crt"
owner: root
group: root
mode: '0644'
when: gitlab_create_self_signed_cert
- name: Copy self-signed certificate key
copy:
src: "/etc/gitlab/ssl/{{ gitlab_domain }}.key"
dest: "/etc/nginx/ssl/{{ gitlab_domain }}.key"
owner: root
group: root
mode: '0644'
when: gitlab_create_self_signed_cert
- name: Turn on necessary SELinux booleans
ansible.posix.seboolean:
name: "{{ item }}"
state: true
persistent: true
loop:
- httpd_can_network_connect
- httpd_can_network_relay
- httpd_read_user_content
- name: Change fcontext to GitLab unix socket for nginx
community.general.sefcontext:
target: "/var/opt/gitlab/gitlab-workhorse/sockets/socket"
setype: httpd_var_run_t
state: present
- name: Apply fcontext to GitLab unix socket for nginx
command: restorecon -v /var/opt/gitlab/gitlab-workhorse/sockets/socket
register: restorecon_result
changed_when: "restorecon_result == 0"
- name: Add firewall rules - http/s
ansible.posix.firewalld:
service: "{{ item }}"
permanent: true
state: enabled
immediate: true
loop:
- http
- https
- name: Enable and Start nginx
service:
name: nginx
enabled: true
state: started

90
ansible/playbooks/templates/etc/nginx/conf.d/omnibus.conf.j2 Normal file
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@ -0,0 +1,90 @@
upstream gitlab-workhorse {
# On GitLab versions before 13.5, the location is
# `/var/opt/gitlab/gitlab-workhorse/socket`. Change the following line
# accordingly.
server unix:/var/opt/gitlab/gitlab-workhorse/sockets/socket fail_timeout=0;
}
## Redirects all HTTP traffic to the HTTPS host
server {
## Either remove "default_server" from the listen line below,
## or delete the /etc/nginx/sites-enabled/default file. This will cause gitlab
## to be served if you visit any address that your server responds to, eg.
## the ip address of the server (http://x.x.x.x/)
listen 0.0.0.0:80;
listen [::]:80 ipv6only=on default_server;
server_name {{ gitlab_domain }}; ## Replace this with something like gitlab.example.com
server_tokens off; ## Don't show the nginx version number, a security best practice
return 301 https://$http_host$request_uri;
access_log /var/log/nginx/gitlab_access.log;
error_log /var/log/nginx/gitlab_error.log;
}
## HTTPS host
server {
listen 0.0.0.0:443 ssl;
listen [::]:443 ipv6only=on ssl default_server;
server_name {{ gitlab_domain }}; ## Replace this with something like gitlab.example.com
server_tokens off; ## Don't show the nginx version number, a security best practice
root /opt/gitlab/embedded/service/gitlab-rails/public;
## Strong SSL Security
## https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html & https://cipherli.st/
ssl on;
ssl_certificate /etc/nginx/ssl/gitlab.crt;
ssl_certificate_key /etc/nginx/ssl/gitlab.key;
# GitLab needs backwards compatible ciphers to retain compatibility with Java IDEs
ssl_ciphers "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 5m;
## See app/controllers/application_controller.rb for headers set
## [Optional] Enable HTTP Strict Transport Security
## HSTS is a feature improving protection against MITM attacks
## For more information see: https://www.nginx.com/blog/http-strict-transport-security-hsts-and-nginx/
# add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";
## [Optional] If your certficate has OCSP, enable OCSP stapling to reduce the overhead and latency of running SSL.
## Replace with your ssl_trusted_certificate. For more info see:
## - https://medium.com/devops-programming/4445f4862461
## - https://www.ruby-forum.com/topic/4419319
## - https://www.digitalocean.com/community/tutorials/how-to-configure-ocsp-stapling-on-apache-and-nginx
# ssl_stapling on;
# ssl_stapling_verify on;
# ssl_trusted_certificate /etc/nginx/ssl/stapling.trusted.crt;
# resolver 208.67.222.222 208.67.222.220 valid=300s; # Can change to your DNS resolver if desired
# resolver_timeout 5s;
## [Optional] Generate a stronger DHE parameter:
## sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 4096
##
# ssl_dhparam /etc/ssl/certs/dhparam.pem;
## Individual nginx logs for this GitLab vhost
access_log /var/log/nginx/gitlab_access.log;
error_log /var/log/nginx/gitlab_error.log;
location / {
client_max_body_size 0;
gzip off;
## https://github.com/gitlabhq/gitlabhq/issues/694
## Some requests take more than 30 seconds.
proxy_read_timeout 300;
proxy_connect_timeout 300;
proxy_redirect off;
proxy_http_version 1.1;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Ssl on;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_pass http://gitlab-workhorse;
}
}

37
ansible/playbooks/templates/etc/nginx/nginx.conf.j2 Normal file
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@ -0,0 +1,37 @@
# MANAGED BY ANSIBLE
# Hostname: {{ inventory_host }}
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
worker_connections 1024;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Load modular configuration files from the /etc/nginx/conf.d directory.
# See http://nginx.org/en/docs/ngx_core_module.html#include
# for more information.
# All server configurations should go here
include /etc/nginx/conf.d/*.conf;
}

29
ansible/playbooks/vars/gitlab.yml
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@ -1,6 +1,6 @@
---
gitlab_domain: git.rockylinux.org
gitlab_external_url: "https://{gitlab_domain}/"
gitlab_external_url: "https://{{ gitlab_domain }}/"
# Location where all the git repositories will be stored.
gitlab_git_data_dir: "/var/opt/gitlab/git-data"
@ -8,16 +8,17 @@ gitlab_git_data_dir: "/var/opt/gitlab/git-data"
gitlab_backup_path: "/var/opt/gitlab/backups"
gitlab_edition: "gitlab-ee"
gitlab_redirect_http_to_https: "true"
# SSL Self-signed Certificate Configuration.
# Eventually we will have legitimate certificates to use, such as LetsEncrypt
gitlab_create_self_signed_cert: "true"
gitlab_self_signed_cert_subj: "/C=US/ST=Missouri/L=Saint Louis/O=IT/CN={{ gitlab_domain }}"
gitlab_ssl_certificate: "/etc/gitlab/ssl/{{ gitlab_domain }}.crt"
gitlab_ssl_certificate_key: "/etc/gitlab/ssl/{{ gitlab_domain }}.key"
# SSL Self-signed Certificate Configuration.
gitlab_create_self_signed_cert: "true"
gitlab_self_signed_cert_subj: "/C=US/ST=Missouri/L=Saint Louis/O=IT/CN={{ gitlab_domain }}"
# LDAP Configuration
gitlab_ldap_enabled: "true"
gitlab_ldap_host: "rockylinux.org"
gitlab_ldap_host: "ipa001.rockylinux.org"
gitlab_ldap_port: "389"
gitlab_ldap_uid: "uid"
gitlab_ldap_method: "start_tls"
@ -38,17 +39,17 @@ gitlab_email_display_name: "Gitlab"
gitlab_email_reply_to: "gitlab@rockylinux.org"
# SMTP configuration
gitlab_smtp_enable: "false"
gitlab_smtp_address: "smtp.server"
gitlab_smtp_port: "465"
gitlab_smtp_user_name: "smtp user"
gitlab_smtp_password: "smtp password"
gitlab_smtp_domain: "rockylinux.org"
gitlab_smtp_address: "smtp.gmail.com"
gitlab_smtp_port: "587"
gitlab_smtp_user_name: "username@gmail.com"
gitlab_smtp_password: "whateverThisIs"
gitlab_smtp_domain: "gmail.com"
gitlab_smtp_authentication: "login"
gitlab_smtp_enable_starttls_auto: "true"
gitlab_smtp_tls: "false"
gitlab_smtp_tls: "true"
gitlab_smtp_openssl_verify_mode: "none"
gitlab_smtp_ca_path: "/etc/ssl/certs"
gitlab_smtp_ca_file: "/etc/ssl/certs/ca-certificates.crt"
gitlab_smtp_ca_path: "/etc/pki/tls/certs"
gitlab_smtp_ca_file: "/etc/pki/tls/certs/ca-bundle.crt"
# In case of reverse proxy
gitlab_nginx_listen_port: 8080