github.com/paybyphone/terraform@v0.9.5-0.20170613192930-9706042ddd51/terraform/node_output.go (about)

     1  package terraform
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  
     7  	"github.com/hashicorp/terraform/config"
     8  	"github.com/hashicorp/terraform/dag"
     9  )
    10  
    11  // NodeApplyableOutput represents an output that is "applyable":
    12  // it is ready to be applied.
    13  type NodeApplyableOutput struct {
    14  	PathValue []string
    15  	Config    *config.Output // Config is the output in the config
    16  }
    17  
    18  func (n *NodeApplyableOutput) Name() string {
    19  	result := fmt.Sprintf("output.%s", n.Config.Name)
    20  	if len(n.PathValue) > 1 {
    21  		result = fmt.Sprintf("%s.%s", modulePrefixStr(n.PathValue), result)
    22  	}
    23  
    24  	return result
    25  }
    26  
    27  // GraphNodeSubPath
    28  func (n *NodeApplyableOutput) Path() []string {
    29  	return n.PathValue
    30  }
    31  
    32  // RemovableIfNotTargeted
    33  func (n *NodeApplyableOutput) RemoveIfNotTargeted() bool {
    34  	// We need to add this so that this node will be removed if
    35  	// it isn't targeted or a dependency of a target.
    36  	return true
    37  }
    38  
    39  // GraphNodeTargetDownstream
    40  func (n *NodeApplyableOutput) TargetDownstream(targetedDeps, untargetedDeps *dag.Set) bool {
    41  	// If any of the direct dependencies of an output are targeted then
    42  	// the output must always be targeted as well, so its value will always
    43  	// be up-to-date at the completion of an apply walk.
    44  	return true
    45  }
    46  
    47  // GraphNodeReferenceable
    48  func (n *NodeApplyableOutput) ReferenceableName() []string {
    49  	name := fmt.Sprintf("output.%s", n.Config.Name)
    50  	return []string{name}
    51  }
    52  
    53  // GraphNodeReferencer
    54  func (n *NodeApplyableOutput) References() []string {
    55  	var result []string
    56  	result = append(result, n.Config.DependsOn...)
    57  	result = append(result, ReferencesFromConfig(n.Config.RawConfig)...)
    58  	for _, v := range result {
    59  		split := strings.Split(v, "/")
    60  		for i, s := range split {
    61  			split[i] = s + ".destroy"
    62  		}
    63  
    64  		result = append(result, strings.Join(split, "/"))
    65  	}
    66  
    67  	return result
    68  }
    69  
    70  // GraphNodeEvalable
    71  func (n *NodeApplyableOutput) EvalTree() EvalNode {
    72  	return &EvalOpFilter{
    73  		Ops: []walkOperation{walkRefresh, walkPlan, walkApply,
    74  			walkDestroy, walkInput, walkValidate},
    75  		Node: &EvalSequence{
    76  			Nodes: []EvalNode{
    77  				&EvalWriteOutput{
    78  					Name:      n.Config.Name,
    79  					Sensitive: n.Config.Sensitive,
    80  					Value:     n.Config.RawConfig,
    81  				},
    82  			},
    83  		},
    84  	}
    85  }