github.com/skyscape-cloud-services/terraform@v0.9.2-0.20170609144644-7ece028a1747/terraform/node_resource_plan_destroy.go (about)

     1  package terraform
     2  
     3  // NodePlanDestroyableResource represents a resource that is "applyable":
     4  // it is ready to be applied and is represented by a diff.
     5  type NodePlanDestroyableResource struct {
     6  	*NodeAbstractResource
     7  }
     8  
     9  // GraphNodeDestroyer
    10  func (n *NodePlanDestroyableResource) DestroyAddr() *ResourceAddress {
    11  	return n.Addr
    12  }
    13  
    14  // GraphNodeEvalable
    15  func (n *NodePlanDestroyableResource) EvalTree() EvalNode {
    16  	addr := n.NodeAbstractResource.Addr
    17  
    18  	// stateId is the ID to put into the state
    19  	stateId := addr.stateId()
    20  
    21  	// Build the instance info. More of this will be populated during eval
    22  	info := &InstanceInfo{
    23  		Id:   stateId,
    24  		Type: addr.Type,
    25  	}
    26  
    27  	// Declare a bunch of variables that are used for state during
    28  	// evaluation. Most of this are written to by-address below.
    29  	var diff *InstanceDiff
    30  	var state *InstanceState
    31  
    32  	return &EvalSequence{
    33  		Nodes: []EvalNode{
    34  			&EvalReadState{
    35  				Name:   stateId,
    36  				Output: &state,
    37  			},
    38  			&EvalDiffDestroy{
    39  				Info:   info,
    40  				State:  &state,
    41  				Output: &diff,
    42  			},
    43  			&EvalCheckPreventDestroy{
    44  				Resource: n.Config,
    45  				Diff:     &diff,
    46  			},
    47  			&EvalWriteDiff{
    48  				Name: stateId,
    49  				Diff: &diff,
    50  			},
    51  		},
    52  	}
    53  }