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added option to exclude specific containers #90

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added option to exclude specific containers #90

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16 changes: 14 additions & 2 deletions check_docker/check_docker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -316,11 +316,14 @@ def get_ps_name(name_list):
raise NameError("Error when trying to identify 'ps' name in {}".format(name_list))


def get_containers(names, require_present):
def get_containers(names, require_present, exclude_containers):
containers_list, _ = get_url(daemon + '/containers/json?all=1')

all_container_names = set(get_ps_name(x['Names']) for x in containers_list)

if exclude_containers:
all_container_names = all_container_names.difference(exclude_containers)

if 'all' in names:
return all_container_names

Expand Down Expand Up @@ -745,6 +748,15 @@ def process_args(args):
default=['all'],
help='One or more RegEx that match the names of the container(s) to check. If omitted all containers are checked. (default: %(default)s)')

# Exclude container name
parser.add_argument('--exclude_containers',
dest='exclude_containers',
action='store',
nargs='+',
type=str,
default=[],
help='One or more containers to ignore. If omitted all containers are checked.')

# Container name
parser.add_argument('--present',
dest='present',
Expand Down Expand Up @@ -935,7 +947,7 @@ def perform_checks(raw_args):

# Here is where all the work happens
#############################################################################################
containers = get_containers(args.containers, args.present)
containers = get_containers(args.containers, args.present, args.exclude_containers)

if len(containers) == 0 and not args.present:
unknown("No containers names found matching criteria")
Expand Down