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authorJulien Dessaux2022-07-17 15:26:23 +0200
committerJulien Dessaux2022-07-17 15:26:23 +0200
commit5da6e5f3cac510dbf64e4d863c3f00c312bf3348 (patch)
treeca099897984d7458112eceb8f6fc1ddaf8516795 /content/docs/adyxax.org/git
parentFixed code blocks line wrapping (diff)
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Updated git documentations and wrote a blog post about it
Diffstat (limited to 'content/docs/adyxax.org/git')
-rw-r--r--content/docs/adyxax.org/git/_index.md8
-rw-r--r--content/docs/adyxax.org/git/backups.md7
-rw-r--r--content/docs/adyxax.org/git/cgit.md94
-rw-r--r--content/docs/adyxax.org/git/gitolite.md69
-rw-r--r--content/docs/adyxax.org/git/install.md96
5 files changed, 172 insertions, 102 deletions
diff --git a/content/docs/adyxax.org/git/_index.md b/content/docs/adyxax.org/git/_index.md
index 6f979fb..d5604ec 100644
--- a/content/docs/adyxax.org/git/_index.md
+++ b/content/docs/adyxax.org/git/_index.md
@@ -1,15 +1,19 @@
---
title: "git"
-description: adyxax.org gitea instance
+description: adyxax.org git server
---
## Introduction
-git.adyxax.org is a [gitea](https://gitea.io/) instance. For about 10 years I used a gitolite installation but I finally went for a gui instead in order to host repositories for non tech people.
+git.adyxax.org is the server hosting my git repositories. It uses gitolite as backend (reachable over ssh) with cgit and nginx as the read only web frontend.
+
+From October 2020 to June 2022 I relied on a [gitea](https://gitea.io/) instance and for the decade before that i relied on a gitolite (without a web frontend). I initially switched to gitea in order to host repositories for non tech people, but I no longer have that need. Gitea is simple enough to host but it has way too many features and way too frequent (security) updates! I therefore chose to simplify things again. I went with cgit as a web frontend because I did not want to link to github in my blog articles. Github is only a mirror of some of my work and I do not want it to be more than that.
## Captain's log
+- 2022-06-01 : Migrated to cgit on FreeBSD.
- 2021-11-12 : Migrated to a podman setup on dalinar, and from PostgreSQL to SQLite
- 2020-10-05 : Initial setup of gitea on yen.adyxax.org's OpenBSD
+- circa 2010 : Initial setup of gitolite on legend.adyxax.org's Centos 5
## Docs
diff --git a/content/docs/adyxax.org/git/backups.md b/content/docs/adyxax.org/git/backups.md
index 40ad40a..ddf9e79 100644
--- a/content/docs/adyxax.org/git/backups.md
+++ b/content/docs/adyxax.org/git/backups.md
@@ -5,8 +5,7 @@ description: Backups of git.adyxax.org
## Documentation
-Backups are configured with borg on `dalinar.adyxax.org` to `yen.adyxax.org`.
+Backups are run with borg and stored on `yen.adyxax.org`.
-There are two jobs :
-- a filesystem backup of `/srv/gitea-data`
-- a `VACUUM INTO` backup job of gitea's SQLite database
+There is only one job :
+- a filesystem backup of `/srv/git`
diff --git a/content/docs/adyxax.org/git/cgit.md b/content/docs/adyxax.org/git/cgit.md
new file mode 100644
index 0000000..75ffa5d
--- /dev/null
+++ b/content/docs/adyxax.org/git/cgit.md
@@ -0,0 +1,94 @@
+---
+title: "cgit and nginx"
+description: Installation notes of cgit
+---
+
+## Introduction
+
+This article details how I installed and configured cgit on FreeBSD to serve as the web frontend of my gitolite repositories.
+
+## Installation
+
+cgit can be bootstrapped with the following :
+```yaml
+pkg install cgit fcgiwrap
+```
+
+## Configuration
+
+Here is my `/usr/local/etc/cgitrc-adyxax` file:
+```cfg
+about-filter=/usr/local/lib/cgit/filters/about-formatting.sh
+clone-url=https://$HTTP_HOST/$CGIT_REPO_URL
+enable-commit-graph=1
+enable-follow-links=1
+enable-git-config=1
+enable-log-filecount=1
+enable-log-linecount=1
+enable-subject-links=1
+mimetype.gif=image/gif
+mimetype.html=text/html
+mimetype.jpg=image/jpeg
+mimetype.jpeg=image/jpeg
+mimetype.pdf=application/pdf
+mimetype.png=image/png
+mimetype.svg=image/svg+xml
+noplainemail=1
+readme=:README.md
+remove-suffix=1
+snapshots=tar.gz tar.bz2 zip
+root-desc=All public git repositories by Adyxax
+#root-readme=/var/www/htdocs/about.html
+root-title=Adyxax's git repositories
+virtual-root=/
+scan-path=/home/git/repositories
+```
+
+## fcgiwrap
+
+fcgiwrap is a necessary interface for nginx to call cgit. It is entirely configured from `/etc/rc.conf`, you just need to add:
+```cfg
+fcgiwrap_enable="YES"
+fcgiwrap_profiles="git"
+fcgiwrap_git_socket="unix:/var/run/fcgiwrap/git.socket"
+fcgiwrap_git_user="git"
+fcgiwrap_git_group="git"
+fcgiwrap_git_socket_owner="www"
+fcgiwrap_git_socket_group="www"
+```
+
+This ensures the cgit processes run as the `git` user, while nginx running as the `www` user can connect to it.
+
+## nginx
+
+I presume nginx is already setup, here is the snippet of configuration needed to serve cgit with fcgiwrap:
+```cfg
+server {
+ listen 80;
+ listen [::]:80;
+ server_name git.adyxax.org;
+ location / {
+ return 308 https://$server_name$request_uri;
+ }
+}
+server {
+ listen 443 ssl;
+ listen [::]:443 ssl;
+ server_name git.adyxax.org;
+ location /adyxax {
+ try_files $uri @cgit-adyxax;
+ }
+ location @cgit-adyxax {
+ include fastcgi_params;
+ fastcgi_param CGIT_CONFIG /usr/local/etc/cgitrc-adyxax;
+ fastcgi_param SCRIPT_FILENAME /usr/local/www/cgit/cgit.cgi;
+ fastcgi_param PATH_INFO $uri;
+ fastcgi_param QUERY_STRING $args;
+ fastcgi_param HTTP_HOST $server_name;
+ fastcgi_pass unix:/var/run/fcgiwrap/git.socket;
+ }
+
+ ssl_certificate /usr/local/etc/adyxax.org.fullchain;
+ ssl_certificate_key /usr/local/etc/adyxax.org.key;
+}
+```
diff --git a/content/docs/adyxax.org/git/gitolite.md b/content/docs/adyxax.org/git/gitolite.md
new file mode 100644
index 0000000..a9aba2e
--- /dev/null
+++ b/content/docs/adyxax.org/git/gitolite.md
@@ -0,0 +1,69 @@
+---
+title: "gitolite"
+description: Installation notes of gitolite
+---
+
+## Introduction
+
+This article details how I installed and configured gitolite on FreeBSD, with ansible.
+
+## Installation
+
+gitolite can be bootstrapped with the following :
+```yaml
+- name: Install common freebsd packages
+ package:
+ name:
+ - gitolite
+```
+
+I create a system group and a system user:
+```yaml
+- name: Create git group on server
+ group:
+ name: git
+ system: yes
+- name: Create git user on server
+ user:
+ name: git
+ group: git
+ shell: /bin/sh
+ home: /srv/git
+ createhome: yes
+ system: yes
+ password: '*'
+```
+
+Repositories will be kept under `/srv/git`. This password is a special value for the user module that specifies a disabled password.
+
+## Initial setup
+
+For this step you need to upload your public ssh key to the server and put it in the `/srv/git` directory. The following will then create a `gitolite-admin` repository and configure your public ssh key so that you can access it:
+```sh
+su - git
+gitolite setup -pk id_ed25519.pub
+```
+
+You should then be able to clone the `gitolite-admin` repository on your workstation:
+```sh
+git clone git@git.adyxax.org:gitolite-admin
+```
+
+## Configuration
+
+In order to customize the cgit frontend, I needed to allow some git configuration keys in `/srv/git/.gitolite.rc`. I manage the whole file with ansible, but here is the relevant line near the top of the file:
+```perl
+GIT_CONFIG_KEYS => 'cgit.desc cgit.extra-head-content cgit.homepage cgit.hide cgit.ignore cgit.owner cgit.section',
+```
+
+These keys allow me to specify repositories like this:
+```perl
+repo adyxax/bareos-zabbix-check
+ RW+ = adyxax
+ config cgit.desc = A Zabbix check for bareos backups
+ config cgit.extra-head-content=<meta name="go-import" content="git.adyxax.org/adyxax/bareos-zabbix-check git https://git.adyxax.org/adyxax/bareos-zabbix-check">
+ config cgit.owner = Julien Dessaux
+ config cgit.section = Active
+```
+
+The `cgit.extra-head-content` is vital for `go get` and `go install` to work properly and took me some google-fu to figure out.
diff --git a/content/docs/adyxax.org/git/install.md b/content/docs/adyxax.org/git/install.md
deleted file mode 100644
index a53aaba..0000000
--- a/content/docs/adyxax.org/git/install.md
+++ /dev/null
@@ -1,96 +0,0 @@
----
-title: "Installation"
-description: Installation notes of gitea on podman
----
-
-## Introduction
-
-Please refer to [the official website](https://docs.gitea.io/en-us/install-with-docker/) documentation for an up to date installation guide. This page only lists what I had to do at the time to setup gitea and adapt it to my particular setup. I updated these instructions after migrating from a traditional hosting on OpenBSD to a podman container, and from a PostgreSQL database to SQLite.
-
-## Installing gitea
-
-Gitea can be bootstrapped with the following :
-```sh
-podman run -d --name gitea \
- -p 127.0.0.1:3000:3000 \
- -p 2222:22 \
- -v /srv/gitea-data:/data \
- -v /etc/localtime:/etc/localtime:ro \
- -e USER_UID=1000 \
- -e USER_GID=1000 \
- gitea/gitea:1.15.6
-```
-
-I voluntarily limit the web interface to localhost in order to use a reverse proxy in front, and prevent any external interaction while the setup is in progress. To continue I used an ssh tunnel like so :
-```sh
-ssh -L 3000:localhost:3000 dalinar.adyxax.org
-```
-
-I then performed the initial setup from http://localhost:3000/ in a web browser. Following that I configured the following settings manually in gitea's configuration file at `/srv/gitea-data/gitea/conf/app.ini`:
-```conf
-[server]
-LANDING_PAGE = explore
-
-[other]
-SHOW_FOOTER_BRANDING = false
-SHOW_FOOTER_VERSION = false
-SHOW_FOOTER_TEMPLATE_LOAD_TIME = false
-```
-
-The container needs to be restarted following this :
-```sh
-podman restart gitea
-```
-
-## nginx reverse proxy
-
-dalinar is an Alpine linux, nginx is simply installed with :
-```sh
-apk add ninx
-```
-
-The configuration in `/etc/nginx/http.d/git.conf` looks like :
-```conf
-server {
- listen 80;
- listen [::]:80;
- server_name git.adyxax.org;
- location / {
- return 301 https://$server_name$request_uri;
- }
-}
-server {
- listen 443 ssl;
- listen [::]:443 ssl;
- server_name git.adyxax.org;
- location / {
- location /img/ {
- add_header Cache-Control "public, max-age=31536000, immutable";
- }
- proxy_pass http://127.0.0.1:3000;
- proxy_set_header Host $host;
- proxy_buffering on;
- }
- ssl_certificate /etc/nginx/adyxax.org-fullchain.cer;
- ssl_certificate_key /etc/nginx/adyxax.org.key;
-}
-```
-
-```sh
-/etc/init.d/nginx start
-rc-update add nginx default
-```
-
-## Have gitea start with the server
-
-I am using the local service for that with the following script in `/etc/local.d/gitea.start` :
-```sh
-#!/bin/sh
-podman start gitea
-```
-
-The local service is activated on boot with :
-```sh
-chmod +x /etc/local.d/gitea.start
-rc-update add local default
-```