Class: Mixlib::Install::Backend::PackageRouter

Inherits:
Base
  • Object
show all
Defined in:
lib/mixlib/install/backend/package_router.rb

Defined Under Namespace

Classes: NoArtifactsError

Constant Summary collapse

ENDPOINT = 
"https://packages.chef.io".freeze
COMPAT_DOWNLOAD_URL_ENDPOINT = 
"http://packages.chef.io".freeze

Instance Attribute Summary

Attributes inherited from Base

#options

Instance Method Summary collapse

Methods inherited from Base

#filter_artifacts, #info, #initialize, #normalize_platform, #platform_filters_available?, #windows_artifact_fixup!

Constructor Details

This class inherits a constructor from Mixlib::Install::Backend::Base

Instance Method Details

#artifacts_for_version(version) ⇒ Array<ArtifactInfo>

Get artifacts for a given version, channel and product_name

Returns:

  • (Array<ArtifactInfo>) —

    Array of info about found artifacts



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# File 'lib/mixlib/install/backend/package_router.rb', line 120

def artifacts_for_version(version)
  begin
    results = get("/api/v1/#{options.channel}/#{omnibus_project}/#{version}/artifacts")["results"]
  rescue Net::HTTPServerException => e
    if e.message =~ /404/
      return []
    else
      raise e
    end
  end

  # Merge artifactory properties to a flat Hash
  results.collect! do |result|
    {
      "filename" => result["name"],
    }.merge(
      map_properties(result["properties"])
    )
  end

  # Convert results to build records
  results.map { |a| create_artifact(a) }
end

#available_artifacts ⇒ Array<ArtifactInfo>

Create filtered list of artifacts

channel, product name, and product version.

Returns:

  • (Array<ArtifactInfo>) —

    list of artifacts for the configured



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# File 'lib/mixlib/install/backend/package_router.rb', line 39

def available_artifacts
  artifacts = if options.latest_version?
                latest_version
              else
                artifacts_for_version(options.product_version)
              end

  windows_artifact_fixup!(artifacts)
end

#available_versions ⇒ Array<String>

Gets available versions from Artifactory via AQL.

Returns:

  • (Array<String>) —

    Array of available versions



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# File 'lib/mixlib/install/backend/package_router.rb', line 53

def available_versions
  items = get("/api/v1/#{options.channel}/#{omnibus_project}/versions")["results"]

  # Filter out the partial builds if we are in :unstable channel
  # In other channels we do not need to do this since all builds are
  # always complete. Infact we should not do this since for some arcane
  # builds like Chef Client 10.X we do not have build record created in
  # artifactory.
  if options.channel == :unstable
    # We check if "artifacts" field contains something since it is only
    # populated with the build record if "artifact.module.build" exists.
    items.reject! { |i| i["artifacts"].nil? }
  end

  # We are only including a single property, version and that exists
  # under the properties in the following structure:
  # "properties" => [ {"key"=>"omnibus.version", "value"=>"12.13.3"} ]
  items.map! { |i| i["properties"].first["value"] }
  items.uniq
end

#create_artifact(artifact_map) ⇒ Object 



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# File 'lib/mixlib/install/backend/package_router.rb', line 161

def create_artifact(artifact_map)
  platform, platform_version = normalize_platform(artifact_map["omnibus.platform"],
    artifact_map["omnibus.platform_version"])

  chef_standard_path = generate_chef_standard_path(options.channel,
    artifact_map["omnibus.project"],
    artifact_map["omnibus.version"],
    platform,
    platform_version,
    artifact_map["filename"]
  )

  ArtifactInfo.new(
    md5:              artifact_map["omnibus.md5"],
    sha256:           artifact_map["omnibus.sha256"],
    sha1:             artifact_map["omnibus.sha1"],
    version:          artifact_map["omnibus.version"],
    platform:         platform,
    platform_version: platform_version,
    architecture:     normalize_architecture(artifact_map["omnibus.architecture"]),
    url:              chef_standard_path
  )
end

#get(url) ⇒ Object

GET request



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# File 'lib/mixlib/install/backend/package_router.rb', line 147

def get(url)
  uri = URI.parse(endpoint)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = (uri.scheme == "https")

  full_path = File.join(uri.path, url)
  request = Net::HTTP::Get.new(full_path)

  res = http.request(request)

  res.value
  JSON.parse(res.body)
end

#latest_version ⇒ Array<ArtifactInfo>

Get artifacts for the latest version, channel and product_name

Returns:

  • (Array<ArtifactInfo>) —

    Array of info about found artifacts



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# File 'lib/mixlib/install/backend/package_router.rb', line 78

def latest_version
  # Get the list of builds from the REST api.
  # We do this because a user in the readers group does not have
  # permissions to run aql against builds.
  builds = get("/api/v1/build/#{omnibus_project}")

  if builds.nil?
    raise NoArtifactsError, <<-MSG
Can not find any builds for #{options.product_name} in #{endpoint}.
    MSG
  end

  # Output we get is something like:
  # {
  #   "buildsNumbers": [
  #     {"uri"=>"/12.5.1+20151213083009", "started"=>"2015-12-13T08:40:19.238+0000"},
  #     {"uri"=>"/12.6.0+20160111212038", "started"=>"2016-01-12T00:25:35.762+0000"},
  #     ...
  #   ]
  # }
  # First we sort based on started
  builds["buildsNumbers"].sort_by! { |b| b["started"] }.reverse!

  # Now check if the build is in the requested channel or not
  # Note that if you do this for any channel other than :unstable
  # it will run a high number of queries but it is fine because we
  # are using artifactory only for :unstable channel
  builds["buildsNumbers"].each do |build|
    version = build["uri"].delete("/")
    artifacts = artifacts_for_version(version)

    return artifacts unless artifacts.empty?
  end

  # we could not find any matching artifacts
  []
end