tosca-community-contributions

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Change TOSCA Path relationship traversal semantics

1

The current draft of the TOSCA v2.0 spec states the following with respect to node and relationship indices: > Note that both the indexes can either be a non-negative integer,...

lauwers

Can we get rid of (imperative) workflows? Do we need to replace them with topology-wide event definitions?

5

aszs

Is the node field optional or mandatory in a requirement assignment?

1

The following topology template: ```yaml tosca_definitions_version: tosca_simple_yaml_1_3 topology_template: node_templates: my_node: type: tosca.nodes.Root requirements: - dependency: capability: feature ``` seems to be correct according to the first table in section 3.8.2.1...

philippemerle

This keyword complicates the grammar without adding any value. Property names can be specified directly under the `allocation` keyword

lauwers

Repository definitions need a way to specify credentials

1

Repository definitions in v1.3 used the Credential data type (part of the Simple Profile) to specify credentials. This was removed, since the TOSCA grammar shouldn't depend on data types defined...

lauwers

Dynamic group membership

3

I have a use case where I need dynamic group membership. For example, I may need a group of all the `Compute` nodes with less than 4G of RAM (where...

lauwers

Add support for declarative policies

1

TOSCA's current policy syntax supports *imperative* policies only. These policies follow an `event-condition-action` pattern. We should add support for *declarative* policies that follow a `context-capability-constraint` pattern and express *invariant* conditions...

lauwers

Mix type compatible unit values

3

There is no guidance within the scalar definition or range definition regarding whether compatible units but different units can be compared or used in a range, e.g. is a time...

pmjordan

Define scalar-units as float or integer

1

There is current uncertainly about whether a range and a scalar-unit value can be defined using floats as well as integers.

pmjordan

Remove domain specific scalars

2

TOSCA v2 is intended to be independent of the application domain but there three concrete scalars defined which are only relevant to some domains; they are probably only included to...

pmjordan