gitlab ci: reorganize when we check for specs on mirrors (#38626)
Move the logic checking which mirrors have the specs we need closer to where that information is needed. Also update the staging summary to contain a brief description of why we scheduled or pruned each job. If a spec was found on any mirrors, regardless of whether we scheduled a job for it, print those mirrors.
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dc25da1931
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af5b93bb97
@ -139,49 +139,33 @@ def _add_dependency(spec_label, dep_label, deps):
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deps[spec_label].add(dep_label)
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def _get_spec_dependencies(
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specs, deps, spec_labels, check_index_only=False, mirrors_to_check=None
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):
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spec_deps_obj = _compute_spec_deps(
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specs, check_index_only=check_index_only, mirrors_to_check=mirrors_to_check
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)
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def _get_spec_dependencies(specs, deps, spec_labels):
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spec_deps_obj = _compute_spec_deps(specs)
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if spec_deps_obj:
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dependencies = spec_deps_obj["dependencies"]
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specs = spec_deps_obj["specs"]
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for entry in specs:
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spec_labels[entry["label"]] = {
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"spec": entry["spec"],
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"needs_rebuild": entry["needs_rebuild"],
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}
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spec_labels[entry["label"]] = entry["spec"]
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for entry in dependencies:
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_add_dependency(entry["spec"], entry["depends"], deps)
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def stage_spec_jobs(specs, check_index_only=False, mirrors_to_check=None):
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def stage_spec_jobs(specs):
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"""Take a set of release specs and generate a list of "stages", where the
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jobs in any stage are dependent only on jobs in previous stages. This
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allows us to maximize build parallelism within the gitlab-ci framework.
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Arguments:
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specs (Iterable): Specs to build
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check_index_only (bool): Regardless of whether DAG pruning is enabled,
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all configured mirrors are searched to see if binaries for specs
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are up to date on those mirrors. This flag limits that search to
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the binary cache indices on those mirrors to speed the process up,
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even though there is no garantee the index is up to date.
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mirrors_to_checK: Optional mapping giving mirrors to check instead of
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any configured mirrors.
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Returns: A tuple of information objects describing the specs, dependencies
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and stages:
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spec_labels: A dictionary mapping the spec labels which are made of
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(pkg-name/hash-prefix), to objects containing "spec" and "needs_rebuild"
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keys. The root spec is the spec of which this spec is a dependency
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and the spec is the formatted spec string for this spec.
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spec_labels: A dictionary mapping the spec labels (which are formatted
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as pkg-name/hash-prefix) to concrete specs.
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deps: A dictionary where the keys should also have appeared as keys in
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the spec_labels dictionary, and the values are the set of
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@ -210,13 +194,7 @@ def _remove_satisfied_deps(deps, satisfied_list):
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deps = {}
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spec_labels = {}
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_get_spec_dependencies(
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specs,
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deps,
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spec_labels,
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check_index_only=check_index_only,
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mirrors_to_check=mirrors_to_check,
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)
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_get_spec_dependencies(specs, deps, spec_labels)
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# Save the original deps, as we need to return them at the end of the
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# function. In the while loop below, the "dependencies" variable is
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@ -242,24 +220,36 @@ def _remove_satisfied_deps(deps, satisfied_list):
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return spec_labels, deps, stages
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def _print_staging_summary(spec_labels, dependencies, stages):
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def _print_staging_summary(spec_labels, stages, mirrors_to_check, rebuild_decisions):
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if not stages:
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return
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tty.msg(" Staging summary ([x] means a job needs rebuilding):")
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mirrors = spack.mirror.MirrorCollection(mirrors=mirrors_to_check)
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tty.msg("Checked the following mirrors for binaries:")
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for m in mirrors.values():
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tty.msg(" {0}".format(m.fetch_url))
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tty.msg("Staging summary ([x] means a job needs rebuilding):")
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for stage_index, stage in enumerate(stages):
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tty.msg(" stage {0} ({1} jobs):".format(stage_index, len(stage)))
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tty.msg(" stage {0} ({1} jobs):".format(stage_index, len(stage)))
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for job in sorted(stage):
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s = spec_labels[job]["spec"]
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s = spec_labels[job]
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rebuild = rebuild_decisions[job].rebuild
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reason = rebuild_decisions[job].reason
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reason_msg = " ({0})".format(reason) if reason else ""
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tty.msg(
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" [{1}] {0} -> {2}".format(
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job, "x" if spec_labels[job]["needs_rebuild"] else " ", _get_spec_string(s)
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" [{1}] {0} -> {2}{3}".format(
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job, "x" if rebuild else " ", _get_spec_string(s), reason_msg
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)
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)
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if rebuild_decisions[job].mirrors:
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tty.msg(" found on the following mirrors:")
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for murl in rebuild_decisions[job].mirrors:
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tty.msg(" {0}".format(murl))
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def _compute_spec_deps(spec_list, check_index_only=False, mirrors_to_check=None):
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def _compute_spec_deps(spec_list):
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"""
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Computes all the dependencies for the spec(s) and generates a JSON
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object which provides both a list of unique spec names as well as a
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@ -323,12 +313,8 @@ def append_dep(s, d):
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tty.msg("Will not stage external pkg: {0}".format(s))
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continue
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up_to_date_mirrors = bindist.get_mirrors_for_spec(
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spec=s, mirrors_to_check=mirrors_to_check, index_only=check_index_only
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)
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skey = _spec_deps_key(s)
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spec_labels[skey] = {"spec": s, "needs_rebuild": not up_to_date_mirrors}
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spec_labels[skey] = s
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for d in s.dependencies(deptype=all):
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dkey = _spec_deps_key(d)
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@ -338,14 +324,8 @@ def append_dep(s, d):
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append_dep(skey, dkey)
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for spec_label, spec_holder in spec_labels.items():
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specs.append(
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{
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"label": spec_label,
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"spec": spec_holder["spec"],
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"needs_rebuild": spec_holder["needs_rebuild"],
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}
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)
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for spec_label, concrete_spec in spec_labels.items():
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specs.append({"label": spec_label, "spec": concrete_spec})
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deps_json_obj = {"specs": specs, "dependencies": dependencies}
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@ -357,14 +337,14 @@ def _spec_matches(spec, match_string):
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def _format_job_needs(
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dep_jobs, osname, build_group, prune_dag, stage_spec_dict, enable_artifacts_buildcache
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dep_jobs, osname, build_group, prune_dag, rebuild_decisions, enable_artifacts_buildcache
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):
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needs_list = []
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for dep_job in dep_jobs:
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dep_spec_key = _spec_deps_key(dep_job)
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dep_spec_info = stage_spec_dict[dep_spec_key]
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rebuild = rebuild_decisions[dep_spec_key].rebuild
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if not prune_dag or dep_spec_info["needs_rebuild"]:
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if not prune_dag or rebuild:
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needs_list.append(
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{
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"job": get_job_name(dep_job, dep_job.architecture, build_group),
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@ -470,8 +450,7 @@ def get_spec_filter_list(env, affected_pkgs, dependent_traverse_depth=None):
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def _build_jobs(spec_labels, stages):
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for stage_jobs in stages:
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for spec_label in stage_jobs:
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spec_record = spec_labels[spec_label]
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release_spec = spec_record["spec"]
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release_spec = spec_labels[spec_label]
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release_spec_dag_hash = release_spec.dag_hash()
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yield release_spec, release_spec_dag_hash
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@ -492,6 +471,13 @@ def _unpack_script(script_section, op=_noop):
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return script
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class RebuildDecision(object):
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def __init__(self):
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self.rebuild = True
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self.mirrors = []
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self.reason = ""
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class SpackCI:
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"""Spack CI object used to generate intermediate representation
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used by the CI generator(s).
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@ -944,23 +930,13 @@ def generate_gitlab_ci_yaml(
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except bindist.FetchCacheError as e:
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tty.warn(e)
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try:
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concrete_env_specs = [
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spec_labels, dependencies, stages = stage_spec_jobs(
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[
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concrete
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for abstract, concrete in env.concretized_specs()
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if abstract in env.spec_lists["specs"]
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]
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spec_labels, dependencies, stages = stage_spec_jobs(
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concrete_env_specs,
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check_index_only=check_index_only,
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mirrors_to_check=mirrors_to_check,
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)
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finally:
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# Clean up remote mirror override if enabled
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if remote_mirror_override:
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spack.mirror.remove("ci_pr_mirror", cfg.default_modify_scope())
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if spack_pipeline_type == "spack_pull_request":
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spack.mirror.remove("ci_shared_pr_mirror", cfg.default_modify_scope())
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)
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all_job_names = []
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output_object = {}
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@ -986,26 +962,37 @@ def generate_gitlab_ci_yaml(
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spack_ci = SpackCI(ci_config, spec_labels, stages)
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spack_ci_ir = spack_ci.generate_ir()
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rebuild_decisions = {}
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for stage_jobs in stages:
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stage_name = "stage-{0}".format(stage_id)
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stage_names.append(stage_name)
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stage_id += 1
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for spec_label in stage_jobs:
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spec_record = spec_labels[spec_label]
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release_spec = spec_record["spec"]
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release_spec = spec_labels[spec_label]
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release_spec_dag_hash = release_spec.dag_hash()
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spec_record = RebuildDecision()
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rebuild_decisions[spec_label] = spec_record
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if prune_untouched_packages:
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if release_spec not in affected_specs:
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tty.debug(
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"Pruning {0}/{1}, untouched by change.".format(
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release_spec.name, release_spec.dag_hash()[:7]
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)
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)
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spec_record["needs_rebuild"] = False
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spec_record.rebuild = False
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spec_record.reason = "Pruned, untouched by change."
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continue
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up_to_date_mirrors = bindist.get_mirrors_for_spec(
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spec=release_spec, mirrors_to_check=mirrors_to_check, index_only=check_index_only
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)
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spec_record.rebuild = not up_to_date_mirrors
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if up_to_date_mirrors:
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spec_record.reason = "Pruned, found in mirrors"
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spec_record.mirrors = [m["mirror_url"] for m in up_to_date_mirrors]
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else:
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spec_record.reason = "Scheduled, not found anywhere"
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job_object = spack_ci_ir["jobs"][release_spec_dag_hash]["attributes"]
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if not job_object:
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@ -1054,7 +1041,7 @@ def main_script_replacements(cmd):
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# purposes, so we only get the direct dependencies.
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dep_jobs = []
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for dep_label in dependencies[spec_label]:
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dep_jobs.append(spec_labels[dep_label]["spec"])
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dep_jobs.append(spec_labels[dep_label])
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job_object["needs"].extend(
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_format_job_needs(
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@ -1062,20 +1049,24 @@ def main_script_replacements(cmd):
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osname,
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build_group,
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prune_dag,
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spec_labels,
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rebuild_decisions,
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enable_artifacts_buildcache,
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)
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)
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rebuild_spec = spec_record["needs_rebuild"]
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rebuild_spec = spec_record.rebuild
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if prune_dag and not rebuild_spec and not copy_only_pipeline:
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tty.debug(
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"Pruning {0}/{1}, does not need rebuild.".format(
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release_spec.name, release_spec.dag_hash()
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)
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)
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continue
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if not rebuild_spec and not copy_only_pipeline:
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if prune_dag:
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spec_record.reason = "Pruned, up-to-date"
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continue
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else:
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# DAG pruning is disabled, force the spec to rebuild. The
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# record still contains any mirrors on which the spec
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# may have been found, so we can print them in the staging
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# summary.
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spec_record.rebuild = True
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spec_record.reason = "Scheduled, DAG pruning disabled"
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if broken_spec_urls is not None and release_spec_dag_hash in broken_spec_urls:
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known_broken_specs_encountered.append(release_spec_dag_hash)
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@ -1115,6 +1106,8 @@ def main_script_replacements(cmd):
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{"job": generate_job_name, "pipeline": "{0}".format(parent_pipeline_id)}
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)
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# Let downstream jobs know whether the spec needed rebuilding, regardless
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# whether DAG pruning was enabled or not.
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job_vars["SPACK_SPEC_NEEDS_REBUILD"] = str(rebuild_spec)
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if cdash_handler:
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@ -1165,7 +1158,13 @@ def main_script_replacements(cmd):
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job_id += 1
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if print_summary:
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_print_staging_summary(spec_labels, dependencies, stages)
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_print_staging_summary(spec_labels, stages, mirrors_to_check, rebuild_decisions)
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# Clean up remote mirror override if enabled
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if remote_mirror_override:
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spack.mirror.remove("ci_pr_mirror", cfg.default_modify_scope())
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if spack_pipeline_type == "spack_pull_request":
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spack.mirror.remove("ci_shared_pr_mirror", cfg.default_modify_scope())
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tty.debug("{0} build jobs generated in {1} stages".format(job_id, stage_id))
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