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php composer 私有包,用 Satis 处理私有资源包

韩朝斑
2023-12-01

用 Satis 处理私有资源包

Satis is a static composer repository generator. It is a bit like an ultra-

lightweight, static file-based version of packagist and can be used to host the

metadata of your company's private packages, or your own. It basically acts as

a micro-packagist. You can get it from

GitHub or install via CLI:

composer.phar create-project composer/satis --stability=dev.

Satis 是一个静态的 composer 代码库生成器。

Setup

For example let's assume you have a few packages you want to reuse across your

company but don't really want to open-source. You would first define a Satis

configuration: a json file with an arbitrary name that lists your curated

repositories.

Here is an example configuration, you see that it holds a few VCS repositories,

but those could be any types of repositories. Then it

uses "require-all": true which selects all versions of all packages in the

repositories you defined.

The default file Satis looks for is satis.json in the root of the repository.

{

"name": "My Repository",

"homepage": "http://packages.example.org",

"repositories": [

{ "type": "vcs", "url": "http://github.com/mycompany/privaterepo" },

{ "type": "vcs", "url": "http://svn.example.org/private/repo" },

{ "type": "vcs", "url": "http://github.com/mycompany/privaterepo2" }

],

"require-all": true

}

If you want to cherry pick which packages you want, you can list all the packages

you want to have in your satis repository inside the classic composer require key,

using a "*" constraint to make sure all versions are selected, or another

constraint if you want really specific versions.

{

"repositories": [

{ "type": "vcs", "url": "http://github.com/mycompany/privaterepo" },

{ "type": "vcs", "url": "http://svn.example.org/private/repo" },

{ "type": "vcs", "url": "http://github.com/mycompany/privaterepo2" }

],

"require": {

"company/package": "*",

"company/package2": "*",

"company/package3": "2.0.0"

}

}

Once you did this, you just run php bin/satis build .

For example php bin/satis build config.json web/ would read the config.json

file and build a static repository inside the web/ directory.

When you ironed out that process, what you would typically do is run this

command as a cron job on a server. It would then update all your package info

much like Packagist does.

Note that if your private packages are hosted on GitHub, your server should have

an ssh key that gives it access to those packages, and then you should add

the --no-interaction (or -n) flag to the command to make sure it falls back

to ssh key authentication instead of prompting for a password. This is also a

good trick for continuous integration servers.

Set up a virtual-host that points to that web/ directory, let's say it is

packages.example.org. Alternatively, with PHP >= 5.4.0, you can use the built-in

CLI server php -S localhost:port -t satis-output-dir/ for a temporary solution.

Usage

In your projects all you need to add now is your own composer repository using

the packages.example.org as URL, then you can require your private packages and

everything should work smoothly. You don't need to copy all your repositories

in every project anymore. Only that one unique repository that will update

itself.

{

"repositories": [ { "type": "composer", "url": "http://packages.example.org/" } ],

"require": {

"company/package": "1.2.0",

"company/package2": "1.5.2",

"company/package3": "dev-master"

}

}

Security

To secure your private repository you can host it over SSH or SSL using a client

certificate. In your project you can use the options parameter to specify the

connection options for the server.

Example using a custom repository using SSH (requires the SSH2 PECL extension):

{

"repositories": [

{

"type": "composer",

"url": "ssh2.sftp://example.org",

"options": {

"ssh2": {

"username": "composer",

"pubkey_file": "/home/composer/.ssh/id_rsa.pub",

"privkey_file": "/home/composer/.ssh/id_rsa"

}

}

}

]

}

Tip: See ssh2 context options for more information.

Example using HTTP over SSL using a client certificate:

{

"repositories": [

{

"type": "composer",

"url": "https://example.org",

"options": {

"ssl": {

"local_cert": "/home/composer/.ssl/composer.pem"

}

}

}

]

}

Tip: See ssl context options for more information.

Downloads

When GitHub or BitBucket repositories are mirrored on your local satis, the build process will include

the location of the downloads these platforms make available. This means that the repository and your setup depend

on the availability of these services.

At the same time, this implies that all code which is hosted somewhere else (on another service or for example in

Subversion) will not have downloads available and thus installations usually take a lot longer.

To enable your satis installation to create downloads for all (Git, Mercurial and Subversion) your packages, add the

following to your satis.json:

{

"archive": {

"directory": "dist",

"format": "tar",

"prefix-url": "https://amazing.cdn.example.org",

"skip-dev": true

}

}

Options explained

directory: the location of the dist files (inside the output-dir)

format: optional, zip (default) or tar

prefix-url: optional, location of the downloads, homepage (from satis.json) followed by directory by default

skip-dev: optional, false by default, when enabled (true) satis will not create downloads for branches

Once enabled, all downloads (include those from GitHub and BitBucket) will be replaced with a local version.

prefix-url

Prefixing the URL with another host is especially helpful if the downloads end up in a private Amazon S3

bucket or on a CDN host. A CDN would drastically improve download times and therefore package installation.

Example: A prefix-url of http://my-bucket.s3.amazonaws.com (and directory set to dist) creates download URLs

which look like the following: http://my-bucket.s3.amazonaws.com/dist/vendor-package-version-ref.zip.

Resolving dependencies

It is possible to make satis automatically resolve and add all dependencies for your projects. This can be used

with the Downloads functionality to have a complete local mirror of packages. Just add the following

to your satis.json:

{

"require-dependencies": true

}

When searching for packages, satis will attempt to resolve all the required packages from the listed repositories.

Therefore, if you are requiring a package from Packagist, you will need to define it in your satis.json.

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