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Posted to commits@buildstream.apache.org by tv...@apache.org on 2021/02/04 08:22:27 UTC
[buildstream] 02/03: Add initial `bst pull` command
This is an automated email from the ASF dual-hosted git repository.
tvb pushed a commit to branch bst-push
in repository https://gitbox.apache.org/repos/asf/buildstream.git
commit 64a951b4bbf0d4184ed07ea068ec16d04d7cf4ba
Author: Jürg Billeter <j...@bitron.ch>
AuthorDate: Tue Aug 1 14:22:02 2017 +0100
Add initial `bst pull` command
---
buildstream/_frontend/main.py | 31 +++++++++++++++++++++++++++++++
buildstream/_pipeline.py | 38 ++++++++++++++++++++++++++++++++++++++
buildstream/element.py | 3 ++-
3 files changed, 71 insertions(+), 1 deletion(-)
diff --git a/buildstream/_frontend/main.py b/buildstream/_frontend/main.py
index aaf625e..ab3c815 100644
--- a/buildstream/_frontend/main.py
+++ b/buildstream/_frontend/main.py
@@ -209,6 +209,37 @@ def track(app, target, variant, deps, except_):
##################################################################
+# Pull Command #
+##################################################################
+@cli.command(short_help="Pull a built artifact")
+@click.option('--variant',
+ help='A variant of the specified target')
+@click.option('--deps', '-d', default='none',
+ type=click.Choice(['none', 'all']),
+ help='The dependencies to fetch (default: plan)')
+@click.argument('target')
+@click.pass_obj
+def pull(app, target, variant, deps):
+ """Pull a built artifact from the configured remote artifact cache.
+
+ Specify `--deps` to control which artifacts to pull:
+
+ \b
+ none: No dependencies, just the element itself
+ all: All dependencies
+ """
+ app.initialize(target, variant)
+ try:
+ to_pull = app.pipeline.deps_elements(deps)
+ app.pipeline.pull(app.scheduler, to_pull)
+ click.echo("")
+ except _BstError as e:
+ click.echo("")
+ click.echo("ERROR: {}".format(e))
+ sys.exit(-1)
+
+
+##################################################################
# Push Command #
##################################################################
@cli.command(short_help="Push a built artifact")
diff --git a/buildstream/_pipeline.py b/buildstream/_pipeline.py
index dc71afa..1e2ffcb 100644
--- a/buildstream/_pipeline.py
+++ b/buildstream/_pipeline.py
@@ -630,6 +630,44 @@ class Pipeline():
self.open_workspace(scheduler, workspace_dir, source_index, no_checkout,
track, False)
+ # pull()
+ #
+ # Pulls elements from the pipeline
+ #
+ # Args:
+ # scheduler (Scheduler): The scheduler to run this pipeline on
+ # elements (list): List of elements to pull
+ #
+ def pull(self, scheduler, elements):
+
+ if not self.artifacts.can_fetch():
+ self.message(self.target, MessageType.FAIL, "Not configured for pulling artifacts")
+
+ plan = elements
+ self.assert_consistent(plan)
+ self.session_elements = len(plan)
+
+ pull = PullQueue()
+ pull.enqueue(plan)
+ queues = [pull]
+
+ self.message(self.target, MessageType.START, "Pulling {} artifacts".format(len(plan)))
+ elapsed, status = scheduler.run(queues)
+ pulled = len(pull.processed_elements)
+
+ if status == SchedStatus.ERROR:
+ self.message(self.target, MessageType.FAIL, "Pull failed", elapsed=elapsed)
+ raise PipelineError()
+ elif status == SchedStatus.TERMINATED:
+ self.message(self.target, MessageType.WARN,
+ "Terminated after pulling {} elements".format(pulled),
+ elapsed=elapsed)
+ raise PipelineError()
+ else:
+ self.message(self.target, MessageType.SUCCESS,
+ "Pulled {} complete".format(pulled),
+ elapsed=elapsed)
+
# push()
#
# Pushes elements in the pipeline
diff --git a/buildstream/element.py b/buildstream/element.py
index 84cd9a5..09ead82 100644
--- a/buildstream/element.py
+++ b/buildstream/element.py
@@ -1149,7 +1149,8 @@ class Element(Plugin):
# (bool): True if this element should not be pushed
#
def _skip_push(self):
- self._assert_cached()
+ if not self._cached(recalculate=None):
+ return True
# Do not push tained artifact
if self._tainted():