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Example of how to use event hook infra #717

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Example of how to use event hook infra #717

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18 changes: 18 additions & 0 deletions crowbar_framework/app/models/neutron_service.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -446,4 +446,22 @@ def apply_role_pre_chef_call(old_role, role, all_nodes)
end
@logger.debug("Neutron apply_role_pre_chef_call: leaving")
end

def event_hook(role, event, details)
case event
when :node_changed
# we only care about non-HA here, so no need to look at elements_expanded
server_nodes = role.override_attributes["neutron"]["elements"]["neutron-server"]
if details["attributes"].include?("public_name") && server_nodes.include?(details["node"])
# trigger chef-client asynchronously
end
when :proposal_applied
# FIXME: don't hardcode deps we know about; also for these ones, we need
# to check that the instance matches too
# we include nova here as some of the neutron config depends on nova
if ["database", "rabbitmq", "keystone", "nova"].include?(details["barclamp"])
# trigger chef-client asynchronously
end
end
end
end