class Seira::Util::ResourceRenderer
Constants
- DEFAULT_JOB_PARALELLISM
Public Class Methods
new(template:, context:, locals:)
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# File lib/seira/util/resource_renderer.rb, line 8 def initialize(template:, context:, locals:) @template = template @context = context @locals = locals @summary = {} end
Public Instance Methods
current_replica_count(deployment)
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BEGIN ERB templating methods and variables
# File lib/seira/util/resource_renderer.rb, line 30 def current_replica_count(deployment) count = Seira::Helpers.get_current_replicas(deployment: deployment, context: @context) @summary["#{deployment}-replicas"] = count # Validate a sane count so that we don't accidentally deploy 0 replicas unless count && count.is_a?(Integer) fail "Received invalid value for replica count for Deployment #{deployment} '#{count}'" end count end
get_secret(secret_name)
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# File lib/seira/util/resource_renderer.rb, line 42 def get_secret(secret_name) secret_value = Seira::Helpers.get_secret(key: secret_name, context: @context) @summary[secret_name] = 'fetched' # Validate we actually get something back fail "Missing value for secret #{secret_name}" unless secret_value secret_value end
job_parallelism(parallelism)
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# File lib/seira/util/resource_renderer.rb, line 52 def job_parallelism(parallelism) rv = parallelism || DEFAULT_JOB_PARALELLISM @summary['parallelism'] = rv rv end
render()
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“binding” is a special method every ruby object has to expose its instance variables ruby-doc.org/core-2.2.0/Binding.html
# File lib/seira/util/resource_renderer.rb, line 18 def render result = ERB.new(@template).result(binding) puts "Rendered with following ERB variables:" @summary.each do |key, value| puts "#{key}: #{value}" end result end
restarted_at_value()
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# File lib/seira/util/resource_renderer.rb, line 64 def restarted_at_value rv = @locals['RESTARTED_AT_VALUE'] @summary["restarted_at_value"] = rv rv end
target_revision()
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# File lib/seira/util/resource_renderer.rb, line 58 def target_revision rv = @locals['REVISION'] @summary["revision"] = rv rv end