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author | GitLab Bot <gitlab-bot@gitlab.com> | 2019-12-09 06:07:57 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2019-12-09 06:07:57 +0300 |
commit | 330eac18cef61a4f58b3601265f7b631d2311cd0 (patch) | |
tree | 87eec5d8c441581938ca908ce30199832e118b85 /app/services/prometheus | |
parent | 3359a5a56337b93cd34b9914b6468395bfb6c514 (diff) |
Add latest changes from gitlab-org/gitlab@master
Diffstat (limited to 'app/services/prometheus')
-rw-r--r-- | app/services/prometheus/proxy_variable_substitution_service.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/app/services/prometheus/proxy_variable_substitution_service.rb b/app/services/prometheus/proxy_variable_substitution_service.rb new file mode 100644 index 00000000000..d3d56987f07 --- /dev/null +++ b/app/services/prometheus/proxy_variable_substitution_service.rb @@ -0,0 +1,51 @@ +# frozen_string_literal: true + +module Prometheus + class ProxyVariableSubstitutionService < BaseService + include Stepable + + steps :add_params_to_result, :substitute_ruby_variables + + def initialize(environment, params = {}) + @environment, @params = environment, params.deep_dup + end + + def execute + execute_steps + end + + private + + def add_params_to_result(result) + result[:params] = params + + success(result) + end + + def substitute_ruby_variables(result) + return success(result) unless query + + # The % operator doesn't replace variables if the hash contains string + # keys. + result[:params][:query] = query % predefined_context.symbolize_keys + + success(result) + rescue TypeError, ArgumentError => exception + log_error(exception.message) + Gitlab::Sentry.track_acceptable_exception(exception, extra: { + template_string: query, + variables: predefined_context + }) + + error(_('Malformed string')) + end + + def predefined_context + @predefined_context ||= Gitlab::Prometheus::QueryVariables.call(@environment) + end + + def query + params[:query] + end + end +end |