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This way the build commands, system integration commands and deployment
extension commands can all share the logic.
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We're going to be passing it "$CHROOT/" as a writable directory by
default, so it needs to be able to tell that it means to leave
everything writable.
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Reviewed-By: Richard Ipsum <richard.ipsum@codethink.co.uk>
Reviewed-By: Richard Maw <richard.maw@codethink.co.uk>
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The recent changes to the BuildCommand.build() function caused distbuild
to break, because I didn't make the same change to the
InitiatorBuildCommand.build() function but did change how it was called.
This commit adds the ability to have optional fields in distbuild
messages. This is used to add an optional 'original_ref' field, which
will get passed to `morph serialise-artifact` by new distbuild
controllers, and will be ignored by older ones.
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Reviewed-By: Daniel Silverstone <daniel.silverstone@codethink.co.uk>
Reviewed-By: Sam Thursfield <sam.thursfield@codethink.co.uk>
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HEAD
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Reviewed-By: Richard Ipsum <richard.ipsum@codethink.co.uk>
Reviewed-By: Richard Maw <richard.maw@codethink.co.uk>
Reviewed-By: Daniel Silverstone <daniel.silverstone@codethink.co.uk>
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Most usefully, this patch means that Morph no longer updates its cached
copy of definitions.git every time you run `morph build`.
Also, it prevents confusion in the following situation. Imagine I have
run:
morph checkout baserock:baserock/definitions master
I then wait a while, during which time someone pushes to 'master' in the
definitions.git repo that I cloned from. Now I run:
cd master
morph build systems/whatever.morph
Which commit does it build, the local head of 'master' or the remote
head of 'master'?
The answer, both before and after this patch, is that it builds the
local version of master. But previously, this only happened because of
the magic that we have to detect local changes. With this patch, the
local change detection could be disabled and `morph build` would still
build what the user had checked out as 'master' locally, not whatever
'master' pointed to in the remote repo.
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This means that we can force the building of a specific commit without
losing the original branch name in the metadata of the resulting system.
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Rather than take a list of triplets to build, the BuildCommand.build()
function now takes a single repo/ref/morph triplet. Iterating through
multiple sets of triplets is now done in the build plugin.
There are a couple of cosmetic changes to the status output at the start
and end of a build as a result.
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This stripped out the commit from the patch series on the mailing list
to remove /dev/shm.
Reviewed-by: Sam Thursfield
Reviewed-by: Daniel Silverstone
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This works towards allowing multiple concurrent builds in the same
system, which has the same problem as deployments.
This is the easy bit, since linux-user-chroot has support for bind
mounts and /proc mounts.
We also need to get rid of the /dev/shm mount to be able to build in
parallel though.
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If a build happens, it creates a new network namespace, and if this
happens while you have a disk image mounted, then you can't remove the
mount-point, because the other namespace is using it.
We can avoid the other namespace keeping this mount-point open by
creating the disk image in a private mount namespace, so it never sees
it.
The nicest way to do this is to have every extension run in a private
mount namespace, since you'd have to have extensions re-exec themselves,
since the appropriate system calls aren't exposed very well.
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Reviewed-by: Sam Thursfield
Reviewed-by: Pedro Alvarez
Reviewed-by: Daniel Silverstone
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These were previously completely untested, so their unsafe mounting
wasn't noticed, but now both are fixed.
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All temporary mounts should be done inside a namespace, so that they
don't interfere with other namespaces.
system-integrations may need capabilities that regular builds don't
have, so they're chrooted, rather than linux-user-chrooted, which means
it's more complicated to do namespaces.
In the absence of a better command for it, we can do this with an
in-lined shell script.
This also stops us using the run-parts inside the system, and executes
the integrations directly.
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It now works when passed a file, rather than a command to run, and
ignores comments and set commands, so the generated preamble is
accepted.
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Reviewed-By: Adam Coldrick <adam.coldrick@codethink.co.uk>
Reviewed-By: Daniel Silverstone <daniel.silverstone@codethink.co.uk>
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Previously it was incorrect in the `morph help` output and in Morph's
man page.
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Reviewed-By: Richard Ipsum <richard.ipsum@codethink.co.uk>
Reviewed-By: Francisco Redondo Marchena <francisco.marchena@codethink.co.uk>
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There's no need because all strata live in the same Git repository now.
This message was added back when there could be multiple versions of
strata coming from different repos or different refs in the same repo
and life was very confusing.
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HEAD
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Reviewed-by: Richard Maw
Reviewed-by: Richard Ipsum
Reviewed-by: Sam Thursfield
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Since we're no longer adding anything to the queue we can replace it with a loop.
This patch also splits the code up a little bit.
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Artifact resolution is no longer recursive, so there's no need to requeue
sources, removing this queue provides a significant speed up. Fixing an
issue where artifact resoltuion was taking too long on some systems
(several minutes in some cases).
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Reviewed-By: Adam Coldrick <adam.coldrick@codethink.co.uk>
Reviewed-By: Richard Ipsum <richard.ipsum@codethink.co.uk>
Reviewed-By: Richard Maw <richard.maw@codethink.co.uk>
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It was broken by the per-source building changes.
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Reviewed-by: Sam Thursfield
Reviewed-by: Jim MacArthur
Reviewed-by: Richard Ipsum
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A quirk in the resource cleanup code meant that if you gave the same
version label when deploying a new version, then it would fail, then
remove the old version, as it had assumed that it was the one to create
those directories.
This patch fixes this issue by making short context managers for all the
resource allocation, so cleanup is done by walking up the context
managers, so only the mount and the temporary directory need to be
cleaned up if the `mkdir "$VERSION_ROOT"` fails.
I've tested this with a deploy of a version that doesn't already exist,
and the version I'm currently running, so I can conclusively say it's
fixed that problem.
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Reviewed-by: Pedro Alvarez
Reviewed-by: Richard Maw
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The original resolve_artifacts method is essentially unchanged,
it's just private now. This means that aside from this name change
the tests remain the same.
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This patch started off as an attempt to address the comment in
find_root_artifacts, though this patch doesn't impose an ordering on the list
of artifacts as the comment suggested. The artifact resolver now returns
a list of root artifacts which may make it easier to add multi-system builds
to morph.
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Reviewed-By: Pedro Alvarez <pedro.alvarez@codethink.co.uk>
Reviewed-By: Francisco Redondo Marchena <francisco.marchena@codethink.co.uk>
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It now gives an error message.
Previously it would fail with a backtrace like this:
2014-10-08 09:51:37 [systems/genivi-baseline-system-armv7lhf-jetson.morph][self]Removing temporary mounts
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/cliapp/app.py", line 190, in _run
self.process_args(args)
File "/src/morph/morphlib/exts/ssh-rsync.write", line 54, in process_args
self.upgrade_remote_system(location, temp_root)
File "/src/morph/morphlib/exts/ssh-rsync.write", line 107, in upgrade_remote_system
location, ['btrfs', 'subvolume', 'delete', orig_dir])
UnboundLocalError: local variable 'orig_dir' referenced before assignment
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Reviewed-by: Sam Thursfield
Reviewed-by: Richard Ipsum
Reviewed-by: Pedro Alvarez
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