ansible: fix a crash on 2.3 when mitogen_via= host is missing.

pull/564/head
David Wilson 6 years ago
parent 2f29c76eec
commit 604b418412

@ -547,7 +547,7 @@ class Connection(ansible.plugins.connection.ConnectionBase):
def connected(self):
return self.context is not None
def _spec_from_via(self, via_spec):
def _spec_from_via(self, proxied_inventory_name, via_spec):
"""
Produce a dict connection specifiction given a string `via_spec`, of
the form `[[become_method:]become_user@]inventory_hostname`.
@ -555,15 +555,17 @@ class Connection(ansible.plugins.connection.ConnectionBase):
become_user, _, inventory_name = via_spec.rpartition('@')
become_method, _, become_user = become_user.rpartition(':')
via_vars = self.host_vars[inventory_name]
if isinstance(via_vars, jinja2.runtime.Undefined):
# must use __contains__ to avoid a TypeError for a missing host on
# Ansible 2.3.
if self.host_vars is None or inventory_name not in self.host_vars:
raise ansible.errors.AnsibleConnectionFailure(
self.unknown_via_msg % (
via_spec,
inventory_name,
proxied_inventory_name,
)
)
via_vars = self.host_vars[inventory_name]
return ansible_mitogen.transport_config.MitogenViaSpec(
inventory_name=inventory_name,
host_vars=dict(via_vars), # TODO: make it lazy
@ -615,7 +617,7 @@ class Connection(ansible.plugins.connection.ConnectionBase):
if spec.mitogen_via():
stack = self._stack_from_spec(
self._spec_from_via(spec.mitogen_via()),
self._spec_from_via(spec.inventory_name(), spec.mitogen_via()),
stack=stack,
seen_names=seen_names + (spec.inventory_name(),),
)

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