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tosca_definitions_version: tosca_simple_yaml_1_1
imports:
- examples: tosca/tosca-examples-types.yaml
topology_template:
node_templates:
my_server:
type: tosca.nodes.Compute
db:
type: tosca.nodes.DBMS.MySQL
requirements:
- host: my_server
interfaces:
Standard:
stop: stop.sh
workflows:
backup:
description: Performs a snapshot of the MySQL data.
preconditions:
- target: my_server
condition:
- assert:
- state: [{equal: available}]
- target: my_server
condition:
- assert:
- state: [{valid_values: [started, available]}]
- my_attribute: [{equal: ready }]
steps:
backup_step:
target: db
filter: # filter is a list of clauses. Matching between clauses is and.
- or: # only one of sub-clauses must be true.
- assert:
- foo: [{equals: true}]
- assert:
- bar: [{greater_than: 2}, {less_than: 20}]
activities:
- call_operation: Standard.stop
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