def instances(self, name=None, return_json=False, quiet=False):
'''list instances. For Singularity, this is provided as a command sub
group.
singularity instance.list
Return codes provided are different from standard linux:
see https://github.com/singularityware/singularity/issues/1706
Parameters
==========
return_json: return a json list of instances instead of objects (False)
name: if defined, return the list for just one instance (used to ged pid)
Return Code -- Reason
0 -- Instances Found
1 -- No Instances, libexecdir value not found, functions file not found
255 -- Couldn't get UID
'''
from spython.instance.cmd.iutils import parse_table
from spython.utils import check_install
check_install()
subgroup = 'instance.list'
if get_singularity_version().find("version 3"):
subgroup = ["instance", "list"]
cmd = self._init_command(subgroup)
# If the user has provided a name, we want to see a particular instance
if name is not None:
cmd.append(name)
output = run_command(cmd, quiet=True)
instances = None
# Success, we have instances
if output['return_code'] == 0:
# Only print the table if we are returning json
if quiet is False:
print(''.join(output['message']))
# Prepare json result from table
header = ['daemon_name', 'pid', 'container_image']
instances = parse_table(output['message'][0], header)
# Does the user want instance objects instead?
listing = []
if return_json is False:
for i in instances:
new_instance = self.instance(pid=i['pid'],
name=i['daemon_name'],
image=i['container_image'],
start=False)
listing.append(new_instance)
instances = listing
# Couldn't get UID
elif output['return_code'] == 255:
bot.error("Couldn't get UID")
# Return code of 0
else:
bot.info('No instances found.')
# If we are given a name, return just one
if name is not None and instances is not None:
if len(instances) == 1:
instances = instances[0]
return instances
def list_instances(self,
name=None,
return_json=False,
quiet=False,
sudo=False):
"""list instances. For Singularity, this is provided as a command sub
group.
singularity instance.list
Return codes provided are different from standard linux:
see https://github.com/singularityware/singularity/issues/1706
Parameters
==========
return_json: return a json list of instances instead of objects (False)
name: if defined, return the list for just one instance (used to ged pid)
Return Code -- Reason
0 -- Instances Found
1 -- No Instances, libexecdir value not found, functions file not found
255 -- Couldn't get UID
"""
from spython.instance.cmd.iutils import parse_table
from spython.utils import check_install
check_install()
subgroup = "instance.list"
if "version 3" in self.version():
subgroup = ["instance", "list"]
cmd = self._init_command(subgroup)
# If the user has provided a name, we want to see a particular instance
if name is not None:
cmd.append(name)
output = run_command(cmd, quiet=True, sudo=sudo)
instances = []
# Success, we have instances
if output["return_code"] == 0:
# Only print the table if we are returning json
if not quiet:
print("".join(output["message"]))
# Prepare json result from table
# Singularity after 3.5.2 has an added ipaddress
try:
header = ["daemon_name", "pid", "container_image"]
instances = parse_table(output["message"][0], header)
except:
header = ["daemon_name", "pid", "ip", "container_image"]
instances = parse_table(output["message"][0], header)
# Does the user want instance objects instead?
listing = []
if not return_json:
for i in instances:
# If the user has provided a name, only add instance matches
if name is not None:
if name != i["daemon_name"]:
continue
# Otherwise, add instances to the listing
new_instance = self.instance(
pid=i["pid"],
name=i["daemon_name"],
image=i["container_image"],
start=False,
)
listing.append(new_instance)
instances = listing
# Couldn't get UID
elif output["return_code"] == 255:
bot.error("Couldn't get UID")
# Return code of 0
else:
bot.info("No instances found.")
# If we are given a name, return just one
if name is not None and instances not in [None, []]:
if len(instances) == 1:
instances = instances[0]
return instances