61 lines
1.3 KiB
Go
61 lines
1.3 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/addrs"
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)
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// EvalRefresh is an EvalNode implementation that does a refresh for
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// a resource.
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type EvalRefresh struct {
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Addr addrs.ResourceInstance
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Provider *ResourceProvider
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State **InstanceState
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Output **InstanceState
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}
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// TODO: test
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func (n *EvalRefresh) Eval(ctx EvalContext) (interface{}, error) {
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provider := *n.Provider
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state := *n.State
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// The provider and hook APIs still expect our legacy InstanceInfo type.
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legacyInfo := NewInstanceInfo(n.Addr.Absolute(ctx.Path()).ContainingResource())
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// If we have no state, we don't do any refreshing
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if state == nil {
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log.Printf("[DEBUG] refresh: %s: no state, so not refreshing", n.Addr.Absolute(ctx.Path()))
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return nil, nil
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}
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// Call pre-refresh hook
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err := ctx.Hook(func(h Hook) (HookAction, error) {
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return h.PreRefresh(legacyInfo, state)
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})
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if err != nil {
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return nil, err
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}
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// Refresh!
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state, err = provider.Refresh(legacyInfo, state)
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if err != nil {
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return nil, fmt.Errorf("%s: %s", n.Addr.Absolute(ctx.Path()), err.Error())
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}
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// Call post-refresh hook
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err = ctx.Hook(func(h Hook) (HookAction, error) {
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return h.PostRefresh(legacyInfo, state)
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})
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if err != nil {
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return nil, err
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}
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if n.Output != nil {
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*n.Output = state
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}
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return nil, nil
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}
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