Class: Katello::Util::CdnVarSubstitutor

Inherits:
Object
  • Object
show all
Defined in:
app/lib/katello/util/cdn_var_substitutor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cdn_resource) ⇒ CdnVarSubstitutor

cdn_resource - an object providing access to CDN. It has to provide a get method that takes a path (e.g. /content/rhel/6.2/listing) and returns the body response)



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# File 'app/lib/katello/util/cdn_var_substitutor.rb', line 9

def initialize(cdn_resource)
  @resource = cdn_resource
end

Instance Attribute Details

#bad_listings ⇒ Object (readonly)

Returns the value of attribute bad_listings.



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# File 'app/lib/katello/util/cdn_var_substitutor.rb', line 5

def bad_listings
  @bad_listings
end

#good_listings ⇒ Object (readonly)

Returns the value of attribute good_listings.



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# File 'app/lib/katello/util/cdn_var_substitutor.rb', line 4

def good_listings
  @good_listings
end

Instance Method Details

#any_valid_metadata_file?(repo_path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/lib/katello/util/cdn_var_substitutor.rb', line 50

def any_valid_metadata_file?(repo_path)
  ['repodata/repomd.xml', 'PULP_MANIFEST', '.treeinfo', 'treeinfo'].any? { |filename| @resource.valid_path?(repo_path, filename) }
end

#substitute_vars(path) ⇒ Object

takes path e.g. “/rhel/server/5/$releasever/$basearch/os” returns PathWithSubstitutions objects

{ {"releasever" => "6Server", "basearch" => "i386"} =>  "/rhel/server/5/6Server/i386/os",
  {"releasever" => "6Server", "basearch" => "x86_64"} =>  "/rhel/server/5/6Server/x84_64/os"}

values are loaded from CDN



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# File 'app/lib/katello/util/cdn_var_substitutor.rb', line 20

def substitute_vars(path)
  find_substitutions([PathWithSubstitutions.new(path, {})])
end

#validate_substitutions(content, substitutions) ⇒ Object 



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# File 'app/lib/katello/util/cdn_var_substitutor.rb', line 24

def validate_substitutions(content, substitutions)
  path_with_subs = PathWithSubstitutions.new(content.content_url, substitutions)
  real_path = path_with_subs.apply_substitutions
  unused_substitutions = path_with_subs.unused_substitutions
  needed_substitutions = PathWithSubstitutions.new(real_path, {}).substitutions_needed

  if unused_substitutions.any?
    fail Errors::CdnSubstitutionError, _("%{unused_substitutions} cannot be specified for %{content_name}"\
      " as that information is not substitutable in %{content_url} ") %
      { unused_substitutions: unused_substitutions.join(','),
        content_name: content.name,
        content_url: content.content_url }
  end

  if needed_substitutions.any?
    fail Errors::CdnSubstitutionError, _("Missing arguments %{substitutions} for %{content_url}") %
        { substitutions: needed_substitutions.join(','), content_url: real_path }
  end

  unless any_valid_metadata_file?(real_path)
    @resource.log :error, "No valid metadata files found for #{real_path}"
    fail Errors::CdnSubstitutionError, _("The path %{real_path} does not seem to be a valid repository."\
           " If you think this is an error, please try refreshing your manifest.") % {real_path: real_path}
  end
end