Application template parameters
Platform ASC uses an application template that includes keys, parameters, and attributes to instantiate the application template.
parameters:
serviceA_rg:
type: string
label: Resource Group for Service A
description: Describe how this parameter is used for Service A
constraints:
- custom_constraint: asc.getresourcegroup
A parameter can consist of the following required and optional attributes:
parameter name
Description: The parameter name.
Required or optional: Required
Example: serviceA_rg
type
Description: The parameter type.
Required or optional: Required
Valid values: string, number, or boolean.
Example: string
label
Description: Parameter name that appears in the New Application Instance wizard.
Required or optional: Optional
Example: Describe how this parameter is used for Service A
description
Description: Parameter description that appears in the New Application Instance wizard.
Required or optional: Optional
Example: Resource Group for Service A
default
Description: Default value of the parameter.
Required or optional: Optional
constraints
Description: Defines a list of constraints that must all be fulfilled by user input to validate the parameter.
Required or optional: Optional
A parameter can consist of the following parameter constraints:
constraints > length
Description: Applies to string parameters to define a lower and upper limit for the length of the string value.
Required or optional: Optional
Valid values: { min: <lower limit>, max: <upper limit> }
Example: { min: 5, max: 8}
constraints > range
Description: Applies to number parameters to define a lower and upper limit for the length of the number value.
Required or optional: Optional
Valid values: { min: <lower limit>, max: <upper limit> }
Example: { min: 1000, max: 1100}
constraints > allowed_values
Description: Applies to string or number parameters to define a set of valid values.
Required or optional: Optional
Valid values: [ <value>, <value>, ... ]
Example: [50, 60, 70]
constraints > allowed_pattern
Description: Applies to string parameters to specify a regular expression for the parameter.
Required or optional: Optional
Valid values: <regular expression>
Example: "[A-Z]+[a-zA-Z0-9]*"
constraints > custom_constraint
Description: Triggers the PMC to allow the user to select an object in the New Application Instance wizard.
Required or optional: Optional
Valid values: asc.getresourcegroup, asc.getpackage
constraints > description
Description: Defines the previous constraint.
Required or optional: Optional
Example: Port range must be 1000 - 1100