<s> from collections import defaultdict <EOL> import json <EOL> from monasca_agent . collector import checks <EOL> import socket <EOL> import subprocess <EOL> import threading <EOL> OK = <NUM_LIT:0> <EOL> WARN = <NUM_LIT:1> <EOL> FAIL = <NUM_LIT:2> <EOL> UNKNOWN = <NUM_LIT:3> <EOL> MODULE_METRIC_NAME = '<STR_LIT>' <EOL> SERVICE_NAME = '<STR_LIT>' <EOL> def create_task_failed_metric ( task_type , task_name ) : <EOL> """<STR_LIT>""" <EOL> return dict ( <EOL> metric = MODULE_METRIC_NAME , <EOL> dimensions = { '<STR_LIT:type>' : task_type , <EOL> '<STR_LIT>' : task_name , <EOL> '<STR_LIT>' : SERVICE_NAME , <EOL> '<STR_LIT>' : socket . gethostname ( ) } , <EOL> value_meta = dict ( <EOL> msg = '<STR_LIT>' <EOL> % ( task_type . title ( ) , task_name ) ) , <EOL> value = FAIL ) <EOL> def create_timed_out_metric ( task_type , task_name ) : <EOL> """<STR_LIT>""" <EOL> return dict ( <EOL> metric = MODULE_METRIC_NAME , <EOL> dimensions = { '<STR_LIT:type>' : task_type , <EOL> '<STR_LIT>' : task_name , <EOL> '<STR_LIT>' : SERVICE_NAME , <EOL> '<STR_LIT>' : socket . gethostname ( ) } , <EOL> value_meta = dict ( <EOL> msg = '<STR_LIT>' <EOL> % ( task_type . title ( ) , task_name ) ) , <EOL> value = FAIL ) <EOL> def create_success_metric ( task_type , task_name ) : <EOL> """<STR_LIT>""" <EOL> return dict ( <EOL> metric = MODULE_METRIC_NAME , <EOL> dimensions = { '<STR_LIT:type>' : task_type , <EOL> '<STR_LIT>' : task_name , <EOL> '<STR_LIT>' : SERVICE_NAME , <EOL> '<STR_LIT>' : socket . gethostname ( ) } , <EOL> value_meta = dict ( <EOL> msg = '<STR_LIT>' <EOL> % ( task_type . title ( ) , task_name ) ) , <EOL> value = OK ) <EOL> class CommandRunner ( object ) : <EOL> def __init__ ( self , command ) : <EOL> self . command = command <EOL> self . stderr = self . stdout = self . returncode = self . exception = None <EOL> self . timed_out = False <EOL> self . process = None <EOL> def run_with_timeout ( self , timeout ) : <EOL> thread = threading . Thread ( target = self . run_subprocess ) <EOL> thread . start ( ) <EOL> thread . join ( timeout ) <EOL> if thread . is_alive ( ) : <EOL> self . timed_out = True <EOL> if self . process : <EOL> self . process . terminate ( ) <EOL> def run_subprocess ( self ) : <EOL> try : <EOL> self . process = subprocess . Popen ( <EOL> self . command , stdout = subprocess . PIPE , <EOL> stderr = subprocess . PIPE ) <EOL> self . stdout , self . stderr = self . process . communicate ( ) <EOL> self . returncode = self . process . returncode <EOL> except Exception as e : <EOL> self . exception = e <EOL> class CinderLMScan ( checks . AgentCheck ) : <EOL> TASKS = ( <EOL> '<STR_LIT>' , <EOL> ) <EOL> COMMAND_ARGS = [ '<STR_LIT>' , '<STR_LIT>' ] <EOL> COMMAND_TIMEOUT = <NUM_LIT> <EOL> SUBCOMMAND_PREFIX = '<STR_LIT>' <EOL> DEFAULT_SUBCOMMANDS = TASKS <EOL> def __init__ ( self , name , init_config , agent_config , instances = None , <EOL> logger = None ) : <EOL> super ( CinderLMScan , self ) . __init__ ( <EOL> name , init_config , agent_config , instances ) <EOL> self . log = logger or self . log <EOL> def log_summary ( self , task_type , summary ) : <EOL> task_count = len ( summary . get ( '<STR_LIT>' , [ ] ) ) <EOL> if task_count == <NUM_LIT:1> : <EOL> msg = '<STR_LIT>' % task_type <EOL> else : <EOL> msg = '<STR_LIT>' % ( task_count , task_type ) <EOL> logger = self . log . info if task_count else self . log . debug <EOL> logger ( msg ) <EOL> def _run_command_line_task ( self , task_name ) : <EOL> command = list ( self . COMMAND_ARGS ) <EOL> command . append ( self . SUBCOMMAND_PREFIX + task_name ) <EOL> cmd_str = '<STR_LIT:U+0020>' . join ( command ) <EOL> runner = CommandRunner ( command ) <EOL> try : <EOL> runner . run_with_timeout ( self . COMMAND_TIMEOUT ) <EOL> except Exception as e : <EOL> self . log . warn ( '<STR_LIT>' <EOL> % ( cmd_str , e ) ) <EOL> metrics = create_task_failed_metric ( '<STR_LIT>' , task_name ) <EOL> else : <EOL> if runner . exception : <EOL> self . log . warn ( '<STR_LIT>' <EOL> % ( cmd_str , runner . exception ) ) <EOL> metrics = create_task_failed_metric ( '<STR_LIT>' , task_name ) <EOL> elif runner . timed_out : <EOL> self . log . warn ( '<STR_LIT>' <EOL> % ( cmd_str , self . COMMAND_TIMEOUT ) ) <EOL> metrics = create_timed_out_metric ( '<STR_LIT>' , cmd_str ) <EOL> elif runner . returncode : <EOL> self . log . warn ( '<STR_LIT>' <EOL> % ( cmd_str , runner . returncode ) ) <EOL> metrics = create_task_failed_metric ( '<STR_LIT>' , task_name ) <EOL> else : <EOL> try : <EOL> metrics = json . loads ( runner . stdout ) <EOL> metrics . append ( create_success_metric ( '<STR_LIT>' , task_name ) ) <EOL> except ( ValueError , TypeError ) as e : <EOL> self . log . warn ( '<STR_LIT>' % e ) <EOL> metrics = create_task_failed_metric ( '<STR_LIT>' , task_name ) <EOL> return metrics <EOL> def _get_metrics ( self , task_names , task_runner ) : <EOL> reported = [ ] <EOL> summary = defaultdict ( list ) <EOL> for task_name in task_names : <EOL> summary [ '<STR_LIT>' ] . append ( task_name ) <EOL> metrics = task_runner ( task_name ) <EOL> if not isinstance ( metrics , list ) : <EOL> metrics = [ metrics ] <EOL> for metric in metrics : <EOL> reported . append ( metric ) <EOL> return reported , summary <EOL> def _csv_to_list ( self , csv ) : <EOL> return [ f . strip ( ) for f in csv . split ( '<STR_LIT:U+002C>' ) if f ] <EOL> def _load_instance_config ( self , instance ) : <EOL> self . log . debug ( '<STR_LIT>' % str ( instance ) ) <EOL> if instance . get ( '<STR_LIT>' ) is None : <EOL> self . subcommands = self . DEFAULT_SUBCOMMANDS <EOL> else : <EOL> self . subcommands = self . _csv_to_list ( instance . get ( '<STR_LIT>' ) ) <EOL> self . log . debug ( '<STR_LIT>' % str ( self . subcommands ) ) <EOL> def check ( self , instance ) : <EOL> self . _load_instance_config ( instance ) <EOL> all_metrics , summary = self . _get_metrics ( <EOL> self . subcommands , self . _run_command_line_task ) <EOL> self . log_summary ( '<STR_LIT>' , summary ) <EOL> for metric in all_metrics : <EOL> metric [ '<STR_LIT>' ] = self . _set_dimensions ( metric [ '<STR_LIT>' ] , <EOL> instance ) <EOL> self . log . debug ( <EOL> '<STR_LIT>' <EOL> % ( metric . get ( '<STR_LIT>' ) , metric . get ( '<STR_LIT:value>' ) , <EOL> metric . get ( '<STR_LIT>' ) , metric . get ( '<STR_LIT>' ) ) ) <EOL> try : <EOL> self . gauge ( ** metric ) <EOL> except Exception as e : <EOL> self . log . exception ( '<STR_LIT>' % e ) </s>
