policies enable you to configure reusable behavior by referencing the groups for which a policy applies.
Do not confuse the top-level
policies section described here with policies that are defined in the top-level
policy_types or the
policies section under groups.
The only supported policy type is the built-in
policies: my_scaling_policy: type: cloudify.policies.scaling properties: ... targets: ...
|type||yes||string||The policy type.|
|properties||no||dict||The specific policy properties. The properties schema is defined by the policy type.|
|targets||yes||list||A list of group names. The policy is applied on the groups specified in this list.|
cloudify.policies.scaling Policy Schema
|default_instances||no||integer||1||The number of instances the groups referenced by this policy will have.|
|min_instances||no||integer||0||The minimum number of permitted group instances. (Not enforced by the
|max_instances||no||integer||UNBOUNDED||The maximum number of permitted group instances. (Not enforced by the
UNBOUNDED may be used literally as the value for
max_instances. Internally, it is stored as
-1, which may also be used.
node_templates: vm: ... ip: ... groups: vm_and_ip: members: [vm, ip] policies: scaling_policy1: type: cloudify.policies.scaling properties: default_instances: 2 targets: [vm_and_ip]