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Jonathan Lebon e94f8c9b5f compose: Fix mutate-os-release handling 
I noticed that the latest Fedora Atomic Host 28 and Silverblue did not
have an `OSTREE_VERSION` line in `/etc/os-release` even though both
specified `mutate-os-release` in their manifests. This turned out to be
due to the fact that `/usr/lib/os-release` is now a symlink to a
variant-specific file (e.g. `os-release-atomichost`), so we would
fallback to mutating `/usr/lib/os.release.d/os-release-fedora` instead.

Fix this by just taking the nuclear option of running `realpath` in the
rootfs directly. This is more maintainable than trying to keep up with
changes in variants/naming/etc. There's related discussions to this in
the original [PR](https://github.com/projectatomic/rpm-ostree/pull/410)
which introduced the feature re. resolving symlinks within the rootfs.

Closes: #1481
Approved by: jlebon
2018-08-06 01:32:49 +00:00
.github Fix GitHub issue template formatting 2018-03-14 21:54:16 +00:00
api-doc lib: Expose new API around basearch 2017-07-21 16:02:41 +00:00
buildutil buildutils: Add libglnx.m4 to .gitignore 2018-04-05 15:26:46 +00:00
ci ci: Pepper in date markers to help debug timing 2018-07-21 14:43:48 +00:00
design Initial renaming pass of "jigdo" to "rojig" 2018-02-26 15:32:50 +00:00
docs postprocess: Error if units with machineid-compat: false 2018-08-06 00:33:56 +00:00
experiments-and-demos/skopeo2ostree experiments-and-demos: New subdir with skopeo2ostree Dockerfile 2018-01-11 14:07:17 +00:00
libdnf@1cad4373cf Update libdnf, disable Python bindings 2018-07-31 17:13:50 +00:00
libglnx@470af8763f Update libglnx 2018-07-17 18:35:38 +00:00
man app: Lift kargs out of experimental 2018-06-26 19:14:56 +00:00
packaging packaging: Fix Rust vendoring 2018-06-08 15:42:03 +00:00
rust rust: Add support for inline rojig spec files 2018-08-03 16:54:47 +00:00
scripts core/scripts: Support /var/lib/rpm-state 2018-03-28 18:37:17 +00:00
src compose: Fix mutate-os-release handling 2018-08-06 01:32:49 +00:00
tests compose: Fix mutate-os-release handling 2018-08-06 01:32:49 +00:00
vagrant Vagrantfile: specify full path to using_sshfs 2016-12-21 20:00:43 +00:00
.dir-locals.el .dir-locals.el: Global Emacs style settings 2017-01-12 16:09:16 +00:00
.editorconfig tree: add vimrc and editorconfig 2017-10-02 14:36:44 +00:00
.gitmodules .gitmodules: Update URL for libglnx 2018-05-29 14:22:46 +00:00
.papr.yml ci: Bump f28-compose by 10 minutes 2018-07-24 20:15:10 +00:00
.vimrc tree: add vimrc and editorconfig 2017-10-02 14:36:44 +00:00
autogen.sh build-sys: Fix use of libglnx configure bits 2017-12-15 16:32:39 +00:00
configure.ac core: Use new rpmtsSetVfyLevel() API for writing rpmdb 2018-07-31 19:22:30 +00:00
CONTRIBUTING.md docs: fix ostree and CONTRIBUTING.md links 2016-07-12 15:46:53 +00:00
COPYING COPYING: Update to latest LGPLv2+ 2014-03-10 16:40:16 -04:00
git.mk build: Use git.mk, make git status clean 2016-03-10 14:36:44 -05:00
HACKING.md hacking: make it easier to use a custom tree 2017-09-01 19:58:55 +00:00
LICENSE Add a LICENSE symlink 2016-04-28 13:09:22 +00:00
Makefile-daemon.am daemon: Don't use absolute path for gdbus-codegen 2018-06-05 18:09:59 +00:00
Makefile-decls.am packaging: Support vendoring the Rust sources 2018-06-06 15:52:48 +00:00
Makefile-lib-defines.am lib: Add version macros and version checking function 2017-07-21 20:35:26 +00:00
Makefile-lib.am lib: Expose new API around basearch 2017-07-21 16:02:41 +00:00
Makefile-libdnf.am build: Always recurse build into libdnf/ 2017-04-13 16:10:14 +00:00
Makefile-libpriv.am build-sys: Mark libpriv symbols as private 2018-03-28 15:18:11 +00:00
Makefile-man.am man: Add rpm-ostreed-automatic page 2018-03-07 22:54:33 +00:00
Makefile-rpm-ostree.am rust: Add a make rustfmt, run it 2018-07-05 13:58:22 +00:00
Makefile-tests.am tests: Move upgrade/rebase tests from unit to vmcheck/test-upgrades 2018-04-25 20:28:56 +00:00
Makefile.am build-sys: Add some gitignore for Rust bits 2018-06-11 13:08:41 +00:00
mkdocs.yml docs: Start using mkdocs 2016-03-09 11:10:58 -05:00
README.md README.md: Fix youtube link 2018-04-14 15:24:54 +00:00
Vagrantfile Vagrantfile: specify full path to using_sshfs 2016-12-21 20:00:43 +00:00

README.md

rpm-ostree: A true hybrid image/package system

rpm-ostree combines libostree (an image system), with libdnf (a package system), bringing many of the benefits of both together.

                         +-----------------------------------------+
                         |                                         |
                         |       rpm-ostree (daemon + CLI)         |
                  +------>                                         <---------+
                  |      |     status, upgrade, rollback,          |         |
                  |      |     pkg layering, initramfs --enable    |         |
                  |      |                                         |         |
                  |      +-----------------------------------------+         |
                  |                                                          |
                  |                                                          |
                  |                                                          |
+-----------------|-------------------------+        +-----------------------|-----------------+
|                                           |        |                                         |
|         libostree (image system)          |        |            libdnf (pkg system)          |
|                                           |        |                                         |
|   C API, hardlink fs trees, system repo,  |        |    ties together libsolv (SAT solver)   |
|   commits, atomic bootloader swap         |        |    with librepo (RPM repo downloads)    |
|                                           |        |                                         |
+-------------------------------------------+        +-----------------------------------------+

For more information, see the online manual: Read The Docs (rpm-ostree)

Features:

  • Transactional, background image-based (versioned/checksummed) upgrades
  • OS rollback without affecting user data (/usr but not /etc, /var) via libostree
  • Client-side package layering (and overrides)
  • Easily make your own: rpm-ostree compose tree

Projects using rpm-ostree

Project Atomic is an umbrella project for delivering upstream container technologies and combined with a minimized, atomically upgradable host system to Fedora, Red Hat Enterprise Linux, and CentOS.

rpm-ostree is the underlying technology for host updates. The headlining project is "Atomic Host", which is a server variant oriented towards running Linux containers using e.g. Kubernetes. However, there is now also a Workstation variant, showing the full generality of the rpm-ostree model.

Manual

For more information, see the online manual: Read The Docs (rpm-ostree)

Talks and media

A number of Project Atomic talks are available; see for example this post which has a bigger collection that also includes talks on containers.

rpm-ostree specific talks: