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Do not assume that util.skopeo_copy can't fail #1147

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@mscherer mscherer commented Dec 9, 2017

Description

If the disk is full, atomic will continue and show errors later, which is puzzling and hard to debug.

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If your Pull request contains new features or functions, tests are required. If the PR is a bug fix and no tests exist, please consider adding some to prevent regressions.

  • Unittests
  • Integration Tests

Atomic/run.py Outdated
db.pull_image(self.image, remote_image_obj)
err = db.pull_image(self.image, remote_image_obj)
if err:
raise ValueError("Unable to pull image {}"..format(self.image))
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there is one extra '.' here

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doesn't it fail immediately once pull_image raises CalledProcessError?

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Nice catch, I will fix. And no, it doesn't seems to raise anything. I sent the PR first to see the tests running, but I didn't had time to test or validate it (as I reinstalled my system with enough disk).

@@ -343,9 +343,8 @@ def pull_image(self, image, remote_image_obj, **kwargs):
trust = Trust()
trust.discover_sigstore(fq_name)
util.write_out("Pulling {} ...".format(fq_name))
util.skopeo_copy("docker://{}".format(fq_name), image, debug=debug, insecure=insecure,
return util.skopeo_copy("docker://{}".format(fq_name), image, debug=debug, insecure=insecure,
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doesn't it raise a CalledProcessError exception when skopeo_copy fails?

Atomic/run.py Outdated
db.pull_image(self.image, remote_image_obj)
err = db.pull_image(self.image, remote_image_obj)
if err:
raise ValueError("Unable to pull image {}"..format(self.image))
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doesn't it fail immediately once pull_image raises CalledProcessError?

If the disk is full (projectatomic#1146),
atomic will continue and show errors later, which is puzzling and hard to debug.
@mscherer mscherer force-pushed the warn_when_disk_full branch from d560ce5 to fd19508 Compare December 11, 2017 11:27
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2 participants