107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package terraform
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import (
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"fmt"
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"log"
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"github.com/hashicorp/terraform/config"
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)
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// EvalDeleteOutput is an EvalNode implementation that deletes an output
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// from the state.
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type EvalDeleteOutput struct {
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Name string
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}
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// TODO: test
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func (n *EvalDeleteOutput) Eval(ctx EvalContext) (interface{}, error) {
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state, lock := ctx.State()
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if state == nil {
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return nil, nil
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}
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// Get a write lock so we can access this instance
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lock.Lock()
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defer lock.Unlock()
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// Look for the module state. If we don't have one, create it.
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mod := state.ModuleByPath(ctx.Path())
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if mod == nil {
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return nil, nil
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}
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delete(mod.Outputs, n.Name)
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return nil, nil
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}
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// EvalWriteOutput is an EvalNode implementation that writes the output
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// for the given name to the current state.
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type EvalWriteOutput struct {
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Name string
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Sensitive bool
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Value *config.RawConfig
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}
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// TODO: test
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func (n *EvalWriteOutput) Eval(ctx EvalContext) (interface{}, error) {
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cfg, err := ctx.Interpolate(n.Value, nil)
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if err != nil {
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// Log error but continue anyway
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log.Printf("[WARN] Output interpolation %q failed: %s", n.Name, err)
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}
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state, lock := ctx.State()
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if state == nil {
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return nil, fmt.Errorf("cannot write state to nil state")
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}
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// Get a write lock so we can access this instance
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lock.Lock()
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defer lock.Unlock()
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// Look for the module state. If we don't have one, create it.
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mod := state.ModuleByPath(ctx.Path())
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if mod == nil {
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mod = state.AddModule(ctx.Path())
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}
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// Get the value from the config
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var valueRaw interface{} = config.UnknownVariableValue
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if cfg != nil {
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var ok bool
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valueRaw, ok = cfg.Get("value")
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if !ok {
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valueRaw = ""
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}
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if cfg.IsComputed("value") {
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valueRaw = config.UnknownVariableValue
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}
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}
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switch valueTyped := valueRaw.(type) {
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case string:
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mod.Outputs[n.Name] = &OutputState{
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Type: "string",
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Sensitive: n.Sensitive,
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Value: valueTyped,
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}
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case []interface{}:
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mod.Outputs[n.Name] = &OutputState{
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Type: "list",
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Sensitive: n.Sensitive,
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Value: valueTyped,
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}
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case map[string]interface{}:
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mod.Outputs[n.Name] = &OutputState{
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Type: "map",
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Sensitive: n.Sensitive,
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Value: valueTyped,
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}
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default:
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return nil, fmt.Errorf("output %s is not a valid type (%T)\n", n.Name, valueTyped)
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}
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return nil, nil
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}
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