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Simon McVittie c733e21a84 Terminate individual tests after (10 * $TEST_TIMEOUT_FACTOR) minutes 
While using the Automake parallel test harness, if a test hangs for
long enough for an external watchdog to kill the entire build process
(as happens in Debian sbuild after 150 minutes with no activity on
stdout/stderr), the logs will not be shown. If we make an individual
test time out sooner, logs are more likely to be shown.

We use SIGABRT so that the process(es) under test will dump core,
allowing the point at which ostree is blocking to be analyzed.
After 1 minute, if any have not died, we kill them again with SIGKILL.

To support slow platforms and slow debugging tools, if
TEST_TIMEOUT_FACTOR is set, multiply the 10 minute timeout by that.

Signed-off-by: Simon McVittie <smcv@debian.org>

Closes: #607
Approved by: cgwalters
 		2016-12-01 18:22:51 +00:00
apidoc lib: Add an API to GPG verify a commit given a remote 2016-11-17 11:33:41 +00:00
bsdiff@1edf9f6568 bsdiff: change submodule location 2015-03-26 23:33:07 +01:00
build-aux Add infrastructure for "make syntax-check" 2015-01-30 15:27:36 +01:00
buildutil Terminate individual tests after (10 * $TEST_TIMEOUT_FACTOR) minutes 2016-12-01 18:22:51 +00:00
contrib/golang contrib: indent golang code using only tabs instead of both tabs and spaces 2016-04-07 12:25:24 +00:00
docs Fix broken link in docs/CONTRIBUTING.md 2016-11-22 14:00:15 +00:00
libglnx@abd37a4790 libglnx: Bump to master (for -fsanitize fixes) 2016-10-28 17:47:50 +00:00
man man: Mention bare-user in manpages, along with the other modes 2016-11-30 15:47:24 +00:00
manual-tests tests/delta-crosscheck: Add missing --from 2016-07-29 14:30:42 +00:00
packaging Final excision of libgsystem dependency 2016-08-09 15:36:09 +00:00
src [ASAN] set-origin: Squash a leak 2016-11-30 18:51:26 +00:00
tests [ASAN] tests: Fix leaks 2016-11-30 18:51:26 +00:00
.gitmodules bsdiff: change submodule location 2015-03-26 23:33:07 +01:00
.redhat-ci.Dockerfile .redhat-ci.yml: use new build key 2016-11-09 17:35:40 +00:00
.redhat-ci.yml .redhat-ci.yml: no longer install libubsan & clang 2016-11-10 18:10:58 +00:00
.travis.yml travis-ci: Enable stretch (the future Debian 9), replacing unstable 2016-11-29 14:11:50 +00:00
CONTRIBUTING.md Rewrite manual in mkdocs 2016-01-28 09:31:37 -05:00
COPYING COPYING: Update to latest FSF with current address 2014-01-16 10:22:30 -05:00
GNUmakefile Add infrastructure for "make syntax-check" 2015-01-30 15:27:36 +01:00
Makefile-boot.am Move ostree-* executables to /usr/lib/ostree 2016-08-11 14:04:59 +00:00
Makefile-decls.am build: clean up ostree-remount if building without systemd 2016-11-29 14:11:50 +00:00
Makefile-libostree-defines.am libostree: mark ostree_repo_checkout_tree_at as deprecated 2016-07-30 11:24:52 +00:00
Makefile-libostree.am libostree: mark ostree_repo_checkout_tree_at as deprecated 2016-07-30 11:24:52 +00:00
Makefile-man.am build: Actually distribute man page XML source 2016-09-01 19:23:49 +00:00
Makefile-ostree.am remote: Add commands to add and remove cookies for a remote 2016-11-05 17:34:09 +00:00
Makefile-otutil.am lib: Use sd_journal directly (optionally) 2016-06-21 18:24:17 +00:00
Makefile-switchroot.am build: clean up ostree-remount if building without systemd 2016-11-29 14:11:50 +00:00
Makefile-tests.am tests: prepend to an existing LD_LIBRARY_PATH, GI_TYPELIB_PATH 2016-12-01 14:23:40 +00:00
Makefile.am build: Set --enable-man during distcheck 2016-09-01 19:03:23 +00:00
README-historical.md README: Just link to wiki, move most of it to README-historical.md 2014-01-20 18:00:09 -05:00
README.md README: Fix broken link 2016-07-14 20:32:41 +00:00
TODO Fix repeated words. 2015-01-30 15:27:36 +01:00
autogen.sh libglnx porting: Migrate to new tempfile code 2016-07-29 19:02:41 +00:00
cfg.mk small cleanups 2016-04-08 18:43:18 +00:00
configure.ac Release 2016.14 2016-11-23 16:20:49 +00:00
git.mk Use git.mk 2016-04-07 12:49:40 +00:00
maint.mk tests: prefix invocation of ostree with where missing 2015-11-16 11:07:55 +01:00
mkdocs.yml docs: Add a section on repository management 2016-03-29 14:10:24 +00:00
ostree.doap doap category infrastructure 2014-07-31 11:26:32 +02:00

README.md

OSTree

New! See the docs online at Read The Docs (OSTree)

OSTree is a tool that combines a "git-like" model for committing and downloading bootable filesystem trees, along with a layer for deploying them and managing the bootloader configuration.

OSTree is like git in that it checksums individual files and has a content-addressed-object store. It's unlike git in that it "checks out" the files via hardlinks, and they should thus be immutable. Therefore, another way to think of OSTree is that it's just a more polished version of Linux VServer hardlinks.

Features:

  • Atomic upgrades and rollback for the system
  • Replicating content incrementally over HTTP via GPG signatures and "pinned TLS" support
  • Support for parallel installing more than just 2 bootable roots
  • Binary history on the server side (and client)
  • Introspectable shared library API for build and deployment systems

This last point is important - you should think of the OSTree command line as effectively a "demo" for the shared library. The intent is that package managers, system upgrade tools, container build tools and the like use OSTree as a "deduplicating hardlink store".

Projects using OSTree

rpm-ostree is a tool that uses OSTree as a shared library, and supports committing RPMs into an OSTree repository, and deploying them on the client. This is appropriate for "fixed purpose" systems. There is in progress work for more sophisticated hybrid models, deeply integrating the RPM packaging with OSTree.

Project Atomic uses rpm-ostree to provide a minimal host for Docker formatted Linux containers. Replicating a base immutable OS, then using Docker for applications meshes together two different tools with different tradeoffs.

flatpak uses OSTree for desktop application containers.

GNOME Continuous is a custom build system designed for OSTree, using OpenEmbedded in concert with a custom build system to do continuous delivery from hundreds of git repositories.

Building

Releases are available as GPG signed git tags, and most recent versions support extended validation using git-evtag.

However, in order to build from a git clone, you must update the submodules. If you're packaging OSTree and want a tarball, I recommend using a "recursive git archive" script. There are several available online; this code in OSTree is an example.

Once you have a git clone or recursive archive, building is the same as almost every autotools project:

env NOCONFIGURE=1 ./autogen.sh
./configure --prefix=...
make
make install DESTDIR=/path/to/dest

More documentation

New! See the docs online at Read The Docs (OSTree)

Some more information is available on the old wiki page: https://wiki.gnome.org/Projects/OSTree

Contributing

See Contributing.