Class: LogStash::Outputs::Application_insights::Storage_cleanup
Constant Summary
Constants inherited from Blob
Instance Attribute Summary
Attributes inherited from Blob
Class Method Summary collapse
Instance Method Summary collapse
- #container_cleanup(container_name) ⇒ Object
-
#copy_not_notified_blob(container_name, blob_name) ⇒ Object
return status or nil if failed.
-
#copy_not_notified_blobs(container_name) ⇒ Object
return true if all notified entities were copied.
-
#delete_container(container_name) ⇒ Object
return true if container deleted.
-
#delete_container_entities(container_name) ⇒ Object
return true if all container entities were removed from log table.
-
#initialize(storage_account_name) ⇒ Storage_cleanup
constructor
A new instance of Storage_cleanup.
-
#list_container_names(azure_storage_container_prefix = nil, token = nil) ⇒ Object
return blob containers.
-
#list_containers_to_cleanup ⇒ Object
return list of containers ready to be cleaned up, return empty list in case failed to get list.
-
#not_notified_blob_copy_status(blob_name) ⇒ Object
return copy status, if failed return nil.
- #periodic_storage_cleanup ⇒ Object
Methods inherited from Blob
close, #create_container_exist_recovery, #create_exist_recovery, #create_table_exist_recovery, #state_table_delete, #state_table_insert, #state_table_query, #state_table_update, stopped?, #update_commited_or_uncommited_list
Methods inherited from Context
#clear_context, #context_to_table_entity, #context_to_tuple, #table_entity_to_context, #table_entity_to_tuple, #tuple_to_context
Constructor Details
#initialize(storage_account_name) ⇒ Storage_cleanup
Returns a new instance of Storage_cleanup.
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 42 def initialize ( storage_account_name ) # super first parameter must be nil. blob first parameter is channel, otherwise it will pass storage_account_name as channel super( nil ) @storage_account_name = storage_account_name @azure_storage_container_prefix = "#{AZURE_STORAGE_CONTAINER_LOGSTASH_PREFIX}#{@configuration[:azure_storage_container_prefix]}" @retention_time = @configuration[:blob_retention_time] + 24 * 60 * 60 @not_notified_container = "#{AZURE_STORAGE_CONTAINER_LOGSTASH_PREFIX}#{@configuration[:azure_storage_container_prefix]}-#{AZURE_STORAGE_ORPHAN_BLOBS_CONTAINER_NAME}" # launch tread that cleans the storage periodic_storage_cleanup end |
Class Method Details
.start ⇒ Object
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 27 def self.start configuration = Config.current @disable_cleanup = configuration[:disable_cleanup] @delete_not_notified_blobs = configuration[:delete_not_notified_blobs] unless @disable_cleanup @@list = [ ] configuration[:storage_account_name_key].each do |storage_account_name, storage_account_keys| @@list << Storage_cleanup.new( storage_account_name ) end end private_class_method :new end |
Instance Method Details
#container_cleanup(container_name) ⇒ Object
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 101 def container_cleanup ( container_name ) unless @delete_not_notified_blobs return unless copy_not_notified_blobs( container_name ) return unless delete_container_entities( container_name ) end delete_container( container_name ) end |
#copy_not_notified_blob(container_name, blob_name) ⇒ Object
return status or nil if failed
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 136 def copy_not_notified_blob( container_name, blob_name ) @action = :copy_blob_to_not_notified_container @recoverable = [ :invalid_storage_key, :io_failure, :service_unavailable, :blob_exit, :create_container, :container_exist ] @info = "#{@action} #{@storage_account_name}/#{container_name}/#{blob_name}" tuple = nil success = storage_io_block { create_exist_recovery( :container, @not_notified_container ) { |name| @client.blobClient.create_container( name ) } if :blob_exit == @recovery tuple = ["", :pending] else tuple = @client.blobClient.copy_blob(@not_notified_container, blob_name, container_name, blob_name) end } tuple ? tuple[1].to_sym : nil end |
#copy_not_notified_blobs(container_name) ⇒ Object
return true if all notified entities were copied
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 111 def copy_not_notified_blobs( container_name ) pending = nil continuation_token = nil filter = "#{:container_name} eq '#{container_name}' and #{:log_state} ne '#{:notified}'" begin entities = state_table_query( @storage_account_name, filter , continuation_token ) return nil unless entities token = entities.continuation_token entities.each do |entity| blob_name = entity.properties[:blob_name.to_s] return nil unless ( status = not_notified_blob_copy_status( blob_name ) ) if :pending == status pending = true elsif :success != status return nil unless (status = copy_not_notified_blob( container_name, blob_name ) ) pending = true unless :success == status end @logger.warn { "copied blob: #{@storage_account_name}/#{container_name}/#{blob_name} to #{@not_notified_container} container because cannot notify" } if :success == status end end while continuation_token pending.nil? end |
#delete_container(container_name) ⇒ Object
return true if container deleted
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 191 def delete_container ( container_name ) @action = :delete_container @recoverable = [ :invalid_storage_key, :io_failure, :service_unavailable, :create_container ] @info = "#{@action} #{@storage_account_name}/#{container_name}" success = storage_io_block { # delete container, if not found, skip containers = @client.blobClient.delete_container( container_name ) unless :create_container == @recovery } success end |
#delete_container_entities(container_name) ⇒ Object
return true if all container entities were removed from log table
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 174 def delete_container_entities( container_name ) continuation_token = nil filter = "#{:container_name} eq '#{container_name}'" begin entities = state_table_query( @storage_account_name, filter , continuation_token ) return nil unless entities token = entities.continuation_token entities.each do |entity| table_entity_to_context( entity.properties ) return nil unless state_table_delete end end while continuation_token true end |
#list_container_names(azure_storage_container_prefix = nil, token = nil) ⇒ Object
return blob containers
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 85 def list_container_names ( azure_storage_container_prefix = nil, token = nil ) @action = :list_container_names @recoverable = [ :invalid_storage_key, :io_failure, :service_unavailable ] @info = "#{@action} #{@storage_account_name}" containers = nil success = storage_io_block { = { :metadata => true } [:marker] = token if token [:prefix] = azure_storage_container_prefix if azure_storage_container_prefix containers = @client.blobClient.list_containers( ) } containers end |
#list_containers_to_cleanup ⇒ Object
return list of containers ready to be cleaned up, return empty list in case failed to get list
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 68 def list_containers_to_cleanup continuation_token = nil container_names_to_delete = [ ] begin containers = list_container_names( @azure_storage_container_prefix, continuation_token) break unless containers token = containers.continuation_token containers.each do |container| expiration_time = Time.parse( container.properties[:last_modified] ) + @retention_time container_names_to_delete << container.name if expiration_time <= Time.now.utc end end while continuation_token container_names_to_delete end |
#not_notified_blob_copy_status(blob_name) ⇒ Object
return copy status, if failed return nil
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 153 def not_notified_blob_copy_status ( blob_name ) @action = :check_not_notified_blob_copy_status @recoverable = [ :invalid_storage_key, :io_failure, :service_unavailable, :create_resource, :create_container, :container_exist ] @info = "#{@action} #{@storage_account_name}/#{@not_notified_container}/#{blob_name}" status = nil success = storage_io_block { create_exist_recovery( :container, @not_notified_container ) { |name| @client.blobClient.create_container( name ) } if :create_resource == @recovery status = :not_started elsif result = @client.blobClient.get_blob_properties( @not_notified_container, blob_name ) if result properties = result.properties status = ( properties[:copy_status] || :success).to_sym end end } status end |
#periodic_storage_cleanup ⇒ Object
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# File 'lib/logstash/outputs/application_insights/storage_cleanup.rb', line 54 def periodic_storage_cleanup Thread.new do loop do container_names = list_containers_to_cleanup container_names.each do |container_name| container_cleanup( container_name ) end sleep( 60 * 60 ) end end end |