11.7. git-daemon 伺服器

11.7. git-daemon 伺服器
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11.7.1. git-daemon - A really simple server for git repositories

在/home/gitroot/ 上運行 git 守護進程

$ cd /home/gitroot
$ mkdir test.git
$ cd test.git
$ git --bare init --shared
Initialized empty shared Git repository in /home/gitroot/test.git/

		
git daemon --verbose --export-all --base-path=/home/gitroot --enable=receive-pack --reuseaddr

允許push,否則該倉庫只能clone/pull

sudo git daemon --verbose --export-all --base-path=/home/gitroot --enable=upload-pack --enable=upload-archive --enable=receive-pack

或者增加配置項

$ git config daemon.receivepack true
$ git config --file config receive.denyCurrentBranch ignore

11.7.2. git-daemon-sysvinit

for a read-only repo:

		
$ sudo apt-get install git-daemon-sysvinit


$ dpkg -l git-daemon-sysvinit
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                   Version                  Architecture             Description
+++-======================================-========================-========================-==================================================================================
ii  git-daemon-sysvinit                    1:1.7.10.4-1ubuntu1      all                      fast, scalable, distributed revision control system (git-daemon service)


$ dpkg -L git-daemon-sysvinit
/.
/usr
/usr/share
/usr/share/git-core
/usr/share/git-core/sysvinit
/usr/share/git-core/sysvinit/sentinel
/usr/share/doc
/usr/share/doc/git-daemon-sysvinit
/usr/share/doc/git-daemon-sysvinit/copyright
/usr/share/doc/git-daemon-sysvinit/README.Debian
/etc
/etc/default
/etc/default/git-daemon
/etc/init.d
/etc/init.d/git-daemon
/usr/share/doc/git-daemon-sysvinit/changelog.Debian.gz

配置 /etc/default/git-daemon 檔案

11.7.3. inet.conf / xinetd 方式啟動

過程 11.2. git-daemon

/etc/shells

/etc/shells 最後一行添加 '/usr/bin/git-shell'
```
$ grep git /etc/shells
/usr/bin/git-shell
				
```

add new user 'git' and 'gitroot' for git

you need to assign shell with /usr/bin/git-shell

$ sudo adduser git --shell /usr/bin/git-shell
$ sudo adduser gitroot --ingroup git --shell /bin/bash

/etc/passwd

$ grep git /etc/passwd
git:x:1001:1002:,,,:/home/git:/usr/bin/git-shell
gitroot:x:1002:1002:,,,:/home/gitroot:/bin/bash

/etc/services

$ grep 9418 /etc/services
git             9418/tcp                        # Git Version Control System

/etc/inet.conf

$ grep git /etc/inet.conf
git     stream  tcp     nowait  nobody \
  /usr/bin/git-daemon git-daemon --inetd --syslog --export-all /home/gitroot

reload inetd

$ sudo pkill -HUP inetd

xinetd

目前的Linux逐漸使用xinetd.d替代inet.conf，如Redhat系列已經不再使用inet.conf, Ubuntu系列發行版已經不預裝inet與xinetd

$ apt-cache search xinetd
globus-gfork-progs - Globus Toolkit - GFork Programs
rlinetd - gruesomely over-featured inetd replacement
update-inetd - inetd configuration file updater
xinetd - replacement for inetd with many enhancements

$ sudo apt-get install xinetd

/etc/xinetd.d/

$ cat /etc/xinetd.d/git
# default: off
# description: The git server offers access to git repositories
service git
{
        disable 		= no
        type            = UNLISTED
        port            = 9418
        socket_type     = stream
        protocol 		= tcp
        wait            = no
        user            = gitroot
        server          = /usr/bin/git
        server_args     = daemon --inetd --export-all --enable=receive-pack --reuseaddr --base-path=/home/gitroot
        log_on_failure  += USERID
}

reload xinitd

$ sudo /etc/init.d/xinetd reload
 * Reloading internet superserver configuration xinetd                                       [ OK ]

11.7.4. git-daemon-run

$ sudo apt-get install git-daemon-run

安裝後會創建下面兩個用戶

$ cat /etc/passwd | grep git
gitlog:x:117:65534::/nonexistent:/bin/false
gitdaemon:x:118:65534::/nonexistent:/bin/false

git-daemon-run 包攜帶的檔案

$ dpkg -L git-daemon-run
/.
/etc
/etc/sv
/etc/sv/git-daemon
/etc/sv/git-daemon/run
/etc/sv/git-daemon/log
/etc/sv/git-daemon/log/run
/usr
/usr/share
/usr/share/doc
/usr/share/doc/git-daemon-run
/usr/share/doc/git-daemon-run/changelog.gz
/usr/share/doc/git-daemon-run/changelog.Debian.gz
/usr/share/doc/git-daemon-run/README.Debian
/usr/share/doc/git-daemon-run/copyright

同時創建下面配置檔案

$ find /etc/sv/git-daemon/
/etc/sv/git-daemon/
/etc/sv/git-daemon/run
/etc/sv/git-daemon/supervise
/etc/sv/git-daemon/log
/etc/sv/git-daemon/log/run
/etc/sv/git-daemon/log/supervise

編輯/etc/sv/git-daemon/run配置

		
$ sudo vim /etc/sv/git-daemon/run

#!/bin/sh
exec 2>&1
echo 'git-daemon starting.'
exec chpst -ugitdaemon \
  "$(git --exec-path)"/git-daemon --verbose --reuseaddr \
    --base-path=/var/cache /var/cache/git

git-daemon --verbose --reuseaddr \
    --base-path=/var/cache /var/cache/git

改為

git-daemon --verbose --reuseaddr \
	--enable=receive-pack --export-all --base-path=/opt/git

	提示
* 我加上了一個--export-all 使用該選項後，在git倉庫中就不必創建git-daemon-export-ok檔案。其他選項--enable=upload-pack --enable=upload-archive --enable=receive-pack

提示

* 我加上了一個--export-all 使用該選項後，在git倉庫中就不必創建git-daemon-export-ok檔案。

其他選項--enable=upload-pack --enable=upload-archive --enable=receive-pack

/etc/services 檔案中加入

# Local services
git             9418/tcp                        # Git Version Control System

確認已經加入

$ grep 9418 /etc/services

啟動git-daemon

$ sudo sv stop git-daemon

or

$ sudo runsv git-daemon
runsv git-daemon: fatal: unable to change to directory: file does not exist

掃瞄git連接埠，確認git-daemon已經啟動

$ nmap localhost

Starting Nmap 5.00 ( http://nmap.org ) at 2012-01-31 10:45 CST
Warning: Hostname localhost resolves to 2 IPs. Using 127.0.0.1.
Interesting ports on localhost (127.0.0.1):
Not shown: 989 closed ports
PORT     STATE SERVICE
21/tcp   open  ftp
22/tcp   open  ssh
53/tcp   open  domain
80/tcp   open  http
111/tcp  open  rpcbind
139/tcp  open  netbios-ssn
445/tcp  open  microsoft-ds
1723/tcp open  pptp
3128/tcp open  squid-http
3306/tcp open  mysql
9418/tcp open  git

11.7.5. Testing

		
$ sudo mkdir -p /opt/git/example.git
$ cd /opt/git/example.git
$ git init
$ sudo vim example.git/.git/config
[receive]
denyCurrentBranch = ignore

$ sudo chown gitdaemon -R /opt/git/*
$ touch git-daemon-export-ok

.git/config 檔案應該是下面這樣

$ cat example.git/.git/config
[core]
	repositoryformatversion = 0
	filemode = true
	bare = false
	logallrefupdates = true

[receive]
denyCurrentBranch = ignore

git-clone git://localhost/example.git

		
neo@deployment:/tmp$ git clone git://localhost/example.git example.git
Cloning into example.git...
warning: You appear to have cloned an empty repository.
neo@deployment:/tmp$ cd example.git/
neo@deployment:/tmp/example.git$ echo helloworld > hello.txt
neo@deployment:/tmp/example.git$ git add hello.txt
neo@deployment:/tmp/example.git$ git commit -m 'Initial commit'
[master (root-commit) 65a0f83] Initial commit
 1 files changed, 1 insertions(+), 0 deletions(-)
 create mode 100644 hello.txt

我們添加了一些檔案 push 到伺服器

$ git push origin master
Counting objects: 3, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 214 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
To git://localhost/example.git
 * [new branch]      master -> master

然後再git clone，可以看到檔案數目

		
$ git-clone git://localhost/example.git
Cloning into example...
remote: Counting objects: 3, done.
remote: Compressing objects: 100% (2/2), done.
remote: Total 3 (delta 0), reused 0 (delta 0)
Receiving objects: 100% (3/3), done.

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