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