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authorAchilleas Pipinellis <axilleas@axilleas.me>2016-01-21 17:27:23 +0100
committerAchilleas Pipinellis <axilleas@axilleas.me>2016-01-21 17:27:23 +0100
commit93b942ec7c9dfc5f2f117d1d2161f69e9a39e16f (patch)
treeaf92363f0573efe6e2899ca4fd5500a9b2c6ec9a
parent36aa3e617001e3b84ed4b5dd9025261cd531344c (diff)
downloadgitlab-ce-93b942ec7c9dfc5f2f117d1d2161f69e9a39e16f.tar.gz
Refactor build artifacts documentationci/build-artifacts-documentation
[ci skip]
-rw-r--r--doc/README.md2
-rw-r--r--doc/ci/README.md2
-rw-r--r--doc/ci/artifacts/README.md50
-rw-r--r--doc/ci/build_artifacts/README.md173
-rw-r--r--doc/ci/build_artifacts/img/build_artifacts_browser.pngbin0 -> 89132 bytes
-rw-r--r--doc/ci/build_artifacts/img/build_artifacts_browser_button.pngbin0 -> 11614 bytes
6 files changed, 175 insertions, 52 deletions
diff --git a/doc/README.md b/doc/README.md
index d75c1fbfe79..f3836d32e20 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -30,7 +30,7 @@
- [User permissions](ci/permissions/README.md)
- [API](ci/api/README.md)
- [Triggering builds through the API](ci/triggers/README.md)
-- [Build artifacts](ci/artifacts/README.md)
+- [Build artifacts](ci/build_artifacts/README.md)
### CI Languages
diff --git a/doc/ci/README.md b/doc/ci/README.md
index 19d08721467..5886829be51 100644
--- a/doc/ci/README.md
+++ b/doc/ci/README.md
@@ -12,7 +12,7 @@
* [Using Variables](variables/README.md)
* [Using SSH keys](ssh_keys/README.md)
* [Triggering builds through the API](triggers/README.md)
-* [Build artifacts](artifacts/README.md)
+* [Build artifacts](build_artifacts/README.md)
### Languages
diff --git a/doc/ci/artifacts/README.md b/doc/ci/artifacts/README.md
deleted file mode 100644
index 1166304f33c..00000000000
--- a/doc/ci/artifacts/README.md
+++ /dev/null
@@ -1,50 +0,0 @@
-# Build artifacts
-
-Since version 8.2 of GitLab and version 0.7.0 of GitLab Runner, build artifacts
-created by GitLab Runner are uploaded to GitLab, and then you can download
-artifacts archive using GitLab UI.
-
-Since version 8.4 of GitLab and version 1.0 of GitLab Runner artifacts are
-compressed using ZIP format and it is possible to browse content of such an
-archive using GitLab UI, and then download a single file from inside it.
-
-## Artifacts in .gitlab-ci.yml
-
-Please look into `.gitlab-ci.yml` [documentation](../yaml/README.md).
-
-## Artifacts archive format
-
-Prior to version 8.4 of GitLab and 1.0 of GitLab Runner, build artifacts were
-compressed using `tar.gz` format.
-
-Since then, we use a ZIP format.
-
-## How build artifacts are stored
-
-After a successful build, GitLab Runner uploads an archive containing build
-artifacts to GitLab. This archive is not extracted after that, so its save a
-storage space.
-
-## How do we access content of an artifacts archive
-
-When GitLab receives an artifacts archive, archive metadata file is being
-generated. Metadata file describes all entries that are located in artifacts
-archive. This file is in a binary format, with additional GZIP compression.
-
-It is possible then to browse artifacts using GitLab UI and artifacts browser.
-
-TODO IMG
-
-GitLab does not extract artifacts archive to make it possible to browse it. We
-use artifacts metadata file instead that contains are relevant information.
-This is especially important when there is a lot of artifacts, or an archive is
-a very large file.
-
-## How do we make files downloadable
-
-When user clicks a regular file, then download of this particular file starts.
-GitLab does not extract entire artifacts archive to send a single file to user.
-
-Instead of extracting entire file, only one file is being extracted. It is not
-necessary to extract large archive, just to download a small file that is
-inside.
diff --git a/doc/ci/build_artifacts/README.md b/doc/ci/build_artifacts/README.md
new file mode 100644
index 00000000000..b02caa9edff
--- /dev/null
+++ b/doc/ci/build_artifacts/README.md
@@ -0,0 +1,173 @@
+# Introduction to build artifacts
+
+Artifacts is a list of files and directories which are attached to a build
+after it completes successfully.
+
+Since GitLab 8.2 and [GitLab Runner] 0.7.0, build artifacts that are created by
+GitLab Runner are uploaded to GitLab and are downloadable as a single archive
+(`tar.gz`) using the GitLab UI.
+
+Starting from GitLab 8.4 and GitLab Runner 1.0, the artifacts archive format
+changed to `ZIP`, and it is now possible to browse its contents, with the added
+ability of downloading the files separately.
+
+## Enabling build artifacts
+
+If you are searching for ways to use the artifacts feature, jump to
+[Defining artifacts in `.gitlab-ci.yml`](#defining-artifacts-in-gitlab-ciyml).
+
+The artifacts feature is enabled by default in all GitLab installations.
+
+If by any chance you want to disable the artifacts feature on your GitLab
+instance, follow the steps below.
+
+---
+
+**In Omnibus installations:**
+
+1. Edit `/etc/gitlab/gitlab.rb` and add the following line:
+
+ ```ruby
+ gitlab_rails['artifacts_enabled'] = false
+ ```
+
+1. Save the file and [reconfigure GitLab][] for the changes to take effect.
+
+---
+
+**In installations from source:**
+
+1. Edit `/home/git/gitlab/config/gitlab.yml` and add or amend the following lines:
+
+ ```yaml
+ artifacts:
+ enabled: false
+ ```
+
+1. Save the file and [restart GitLab][] for the changes to take effect.
+
+## Defining artifacts in `.gitlab-ci.yml`
+
+A simple example of using the artifacts definition in `.gitlab-ci.yml` would be
+the following:
+
+```yaml
+pdf:
+ script: xelatex mycv.tex
+ artifacts:
+ paths:
+ - mycv.pdf
+```
+
+A job named `pdf` calls the `xelatex` command in order to build a pdf file from
+the latex source file `mycv.tex`. We then define the `artifacts` paths which in
+turn are defined with the `paths` keyword. All paths to files and directories
+are relative to the repository that was cloned during the build.
+
+For more examples on artifacts, follow the
+[separate artifacts yaml documentation](../yaml/README.md#artifacts).
+
+## Storing build artifacts
+
+After a successful build, GitLab Runner uploads an archive containing the build
+artifacts to GitLab.
+
+To change the location where the artifacts are stored, follow the steps below.
+
+---
+
+**In Omnibus installations:**
+
+_The artifacts are stored by default in
+`/var/opt/gitlab/gitlab-rails/shared/artifacts`._
+
+1. To change the storage path for example to `/mnt/storage/artifacts`, edit
+ `/etc/gitlab/gitlab.rb` and add the following line:
+
+ ```ruby
+ gitlab_rails['artifacts_path'] = "/mnt/storage/artifacts"
+ ```
+
+1. Save the file and [reconfigure GitLab][] for the changes to take effect.
+
+---
+
+**In installations from source:**
+
+_The artifacts are stored by default in
+`/home/git/gitlab/shared/artifacts`._
+
+1. To change the storage path for example to `/mnt/storage/artifacts`, edit
+ `/home/git/gitlab/config/gitlab.yml` and add or amend the following lines:
+
+ ```yaml
+ artifacts:
+ enabled: true
+ path: /mnt/storage/artifacts
+ ```
+
+1. Save the file and [restart GitLab][] for the changes to take effect.
+
+## Browsing build artifacts
+
+When GitLab receives an artifacts archive, an archive metadata file is also
+generated. This metadata file describes all the entries that are located in the
+artifacts archive itself. The metadata file is in a binary format, with
+additional GZIP compression.
+
+GitLab does not extract the artifacts archive in order to save space, memory
+and disk I/O. It instead inspects the metadata file which contains all the
+relevant information. This is especially important when there is a lot of
+artifacts, or an archive is a very large file.
+
+---
+
+After a successful build, if you visit the build's specific page, you can see
+that there are two buttons.
+
+One is for downloading the artifacts archive and the other for browsing its
+contents.
+
+![Build artifacts browser button](img/build_artifacts_browser_button.png)
+
+---
+
+The archive browser shows the name and the actual file size of each file in the
+archive. If your artifacts contained directories, then you are also able to
+browse inside them.
+
+Below you can see an image of three different file formats, as well as two
+directories.
+
+![Build artifacts browser](img/build_artifacts_browser.png)
+
+---
+
+## Downloading build artifacts
+
+If you need to download the whole archive, there are buttons in various places
+inside GitLab that make that possible.
+
+1. While on the builds page, you can see the download icon for each build's
+ artifacts archive in the right corner
+
+1. While inside a specific build, you are presented with a download button
+ along with the one that browses the archive
+
+1. And finally, when browsing and archive you can see the download button at
+ the top right corner
+
+---
+
+Note that GitLab does not extract the entire artifacts archive to send just a
+single file to the user.
+
+When clicking on a specific file, [GitLab Workhorse] extracts it from the
+archive and the download begins.
+
+This implementation saves space, memory and disk I/O.
+
+[gitlab runner]: https://gitlab.com/gitlab-org/gitlab-ci-multi-runner "GitLab Runner repository"
+[reconfigure gitlab]: ../../administration/restart_gitlab.md "How to restart GitLab documentation"
+[restart gitlab]: ../../administration/restart_gitlab.md "How to restart GitLab documentation"
+[gitlab workhorse]: https://gitlab.com/gitlab-org/gitlab-workhorse "GitLab Workhorse repository"
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