Class: Datadog::CI::Git::TreeUploader

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/ci/git/tree_uploader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api:, force_unshallow: false) ⇒ TreeUploader

Returns a new instance of TreeUploader.



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# File 'lib/datadog/ci/git/tree_uploader.rb', line 20

def initialize(api:, force_unshallow: false)
  @api = api
  @force_unshallow = force_unshallow
end

Instance Attribute Details

#api ⇒ Object (readonly)

Returns the value of attribute api.



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# File 'lib/datadog/ci/git/tree_uploader.rb', line 18

def api
  @api
end

#force_unshallow ⇒ Object (readonly)

Returns the value of attribute force_unshallow.



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# File 'lib/datadog/ci/git/tree_uploader.rb', line 18

def force_unshallow
  @force_unshallow
end

Instance Method Details

#call(repository_url) ⇒ Object 



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# File 'lib/datadog/ci/git/tree_uploader.rb', line 25

def call(repository_url)
  if api.nil?
    Datadog.logger.debug("API is not configured, aborting git upload")
    return
  end

  if test_visibility_component.client_process?
    Datadog.logger.debug("Test visibility component is running in client process, aborting git upload")
    return
  end

  Datadog.logger.debug { "Uploading git tree for repository #{repository_url}" }

  latest_commits = LocalRepository.git_commits
  head_commit = latest_commits&.first
  if head_commit.nil?
    Datadog.logger.debug("Got empty latest commits list, aborting git upload")
    return
  end

  begin
    # ask the backend for the list of commits it already has
    known_commits, new_commits = fetch_known_commits_and_split(repository_url, latest_commits)
    # if all commits are present in the backend, we don't need to upload anything

    # We optimize unshallowing process by checking the latest available commits with backend:
    # if they are already known to backend, then we don't have to unshallow.
    #
    # Sometimes we need to unshallow anyway: for impacted tests detection feature for example we need
    # to calculate git diffs locally. In this case we skip the optimization and always unshallow.
    if new_commits.empty? && !@force_unshallow
      Datadog.logger.debug("No new commits to upload")
      return
    end

    # quite often we deal with shallow clones in CI environment
    if LocalRepository.git_shallow_clone? && LocalRepository.git_unshallow
      Datadog.logger.debug("Detected shallow clone and unshallowed the repository, repeating commits search")

      # re-run the search with the updated commit list after unshallowing
      known_commits, new_commits = fetch_known_commits_and_split(
        repository_url,
        LocalRepository.git_commits
      )
    end
  rescue SearchCommits::ApiError => e
    Datadog.logger.debug("SearchCommits failed with #{e}, aborting git upload")
    return
  end

  Datadog.logger.debug { "Uploading packfiles for commits: #{new_commits}" }
  uploader = UploadPackfile.new(
    api: api,
    head_commit_sha: head_commit,
    repository_url: repository_url
  )
  packfiles_count = 0
  Packfiles.generate(included_commits: new_commits, excluded_commits: known_commits) do |filepath|
    packfiles_count += 1
    uploader.call(filepath: filepath)
  rescue UploadPackfile::ApiError => e
    Datadog.logger.debug("Packfile upload failed with #{e}")
    break
  end

  Utils::Telemetry.distribution(Ext::Telemetry::METRIC_GIT_REQUESTS_OBJECT_PACK_FILES, packfiles_count.to_f)
ensure
  Datadog.logger.debug("Git tree upload finished")
end