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| Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/roster/range.py |
"""
This roster resolves targets from a range server.
:depends: seco.range, https://github.com/ytoolshed/range
When you want to use a range query for target matching, use ``--roster range``. For example:
.. code-block:: bash
salt-ssh --roster range '%%%example.range.cluster' test.ping
"""
import copy
import fnmatch
import logging
log = logging.getLogger(__name__)
# Try to import range from https://github.com/ytoolshed/range
HAS_RANGE = False
try:
import seco.range
HAS_RANGE = True
except ImportError:
log.error("Unable to load range library")
# pylint: enable=import-error
def __virtual__():
return HAS_RANGE
def targets(tgt, tgt_type="range", **kwargs):
"""
Return the targets from a range query
"""
r = seco.range.Range(__opts__["range_server"])
log.debug("Range connection to '%s' established", __opts__["range_server"])
hosts = []
try:
log.debug("Querying range for '%s'", tgt)
hosts = r.expand(tgt)
except seco.range.RangeException as err:
log.error("Range server exception: %s", err)
return {}
log.debug("Range responded with: '%s'", hosts)
# Currently we only support giving a raw range entry, no target filtering supported other than what range returns :S
tgt_func = {
"range": target_range,
"glob": target_range,
# 'glob': target_glob,
}
log.debug("Filtering using tgt_type: '%s'", tgt_type)
try:
targeted_hosts = tgt_func[tgt_type](tgt, hosts)
except KeyError:
raise NotImplementedError
log.debug("Targeting data for salt-ssh: '%s'", targeted_hosts)
return targeted_hosts
def target_range(tgt, hosts):
ret = {}
for host in hosts:
ret[host] = copy.deepcopy(__opts__.get("roster_defaults", {}))
ret[host].update({"host": host})
if __opts__.get("ssh_user"):
ret[host].update({"user": __opts__["ssh_user"]})
return ret
def target_glob(tgt, hosts):
ret = {}
for host in hosts:
if fnmatch.fnmatch(tgt, host):
ret[host] = copy.deepcopy(__opts__.get("roster_defaults", {}))
ret[host].update({"host": host})
if __opts__.get("ssh_user"):
ret[host].update({"user": __opts__["ssh_user"]})
return ret