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Add in error handling 

Signed-off-by: Mazz Mosley <mazz@houseofmnowster.com>
This commit is contained in:
Mazz Mosley 2015-07-16 16:07:30 +01:00
parent 61787fecea
commit 9d9b865796
1 changed files with 10 additions and 1 deletions
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11
compose/utils.py
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@ -5,6 +5,7 @@ import logging
import os import os
import sys import sys
from docker.errors import APIError
import concurrent.futures import concurrent.futures
from .const import DEFAULT_MAX_WORKERS from .const import DEFAULT_MAX_WORKERS
@ -20,12 +21,16 @@ def parallel_execute(command, containers, doing_msg, done_msg, **options):
max_workers = os.environ.get('COMPOSE_MAX_WORKERS', DEFAULT_MAX_WORKERS) max_workers = os.environ.get('COMPOSE_MAX_WORKERS', DEFAULT_MAX_WORKERS)
stream = codecs.getwriter('utf-8')(sys.stdout) stream = codecs.getwriter('utf-8')(sys.stdout)
lines = [] lines = []
errors = {}
for container in containers: for container in containers:
write_out_msg(stream, lines, container.name, doing_msg) write_out_msg(stream, lines, container.name, doing_msg)
def container_command_execute(container, command, **options): def container_command_execute(container, command, **options):
return getattr(container, command)(**options) try:
getattr(container, command)(**options)
except APIError as e:
errors[container.name] = e.explanation
with concurrent.futures.ThreadPoolExecutor(max_workers=max_workers) as executor: with concurrent.futures.ThreadPoolExecutor(max_workers=max_workers) as executor:
future_container = { future_container = {
@ -41,6 +46,10 @@ def parallel_execute(command, containers, doing_msg, done_msg, **options):
container = future_container[future] container = future_container[future]
write_out_msg(stream, lines, container.name, done_msg) write_out_msg(stream, lines, container.name, done_msg)
if errors:
for container in errors:
stream.write("ERROR: for {} {} \n".format(container, errors[container]))
def write_out_msg(stream, lines, container_name, msg): def write_out_msg(stream, lines, container_name, msg):
""" """