package instances import ( "github.com/hashicorp/terraform/internal/addrs" ) // Set is a set of instances, intended mainly for the return value of // Expander.AllInstances, where it therefore represents all of the module // and resource instances known to the expander. type Set struct { // Set currently really just wraps Expander with a reduced API that // only supports lookups, to make it clear that a holder of a Set should // not be modifying the expander any further. exp *Expander } // HasModuleInstance returns true if and only if the set contains the module // instance with the given address. func (s Set) HasModuleInstance(want addrs.ModuleInstance) bool { return s.exp.knowsModuleInstance(want) } // HasModuleCall returns true if and only if the set contains the module // call with the given address, even if that module call has no instances. func (s Set) HasModuleCall(want addrs.AbsModuleCall) bool { return s.exp.knowsModuleCall(want) } // HasResourceInstance returns true if and only if the set contains the resource // instance with the given address. // TODO: func (s Set) HasResourceInstance(want addrs.AbsResourceInstance) bool { return s.exp.knowsResourceInstance(want) } // HasResource returns true if and only if the set contains the resource with // the given address, even if that resource has no instances. // TODO: func (s Set) HasResource(want addrs.AbsResource) bool { return s.exp.knowsResource(want) } // InstancesForModule returns all of the module instances that correspond with // the given static module path. // // If there are multiple module calls in the path that have repetition enabled // then the result is the full expansion of all combinations of all of their // declared instance keys. func (s Set) InstancesForModule(modAddr addrs.Module) []addrs.ModuleInstance { return s.exp.ExpandModule(modAddr) }