| package terraform |
| |
| import ( |
| "log" |
| |
| "github.com/hashicorp/terraform/addrs" |
| |
| "github.com/hashicorp/hcl2/hcl" |
| "github.com/hashicorp/terraform/configs/configschema" |
| "github.com/zclconf/go-cty/cty" |
| ) |
| |
| // EvalConfigBlock is an EvalNode implementation that takes a raw |
| // configuration block and evaluates any expressions within it. |
| // |
| // ExpandedConfig is populated with the result of expanding any "dynamic" |
| // blocks in the given body, which can be useful for extracting correct source |
| // location information for specific attributes in the result. |
| type EvalConfigBlock struct { |
| Config *hcl.Body |
| Schema *configschema.Block |
| SelfAddr addrs.Referenceable |
| Output *cty.Value |
| ExpandedConfig *hcl.Body |
| ContinueOnErr bool |
| } |
| |
| func (n *EvalConfigBlock) Eval(ctx EvalContext) (interface{}, error) { |
| val, body, diags := ctx.EvaluateBlock(*n.Config, n.Schema, n.SelfAddr, EvalDataForNoInstanceKey) |
| if diags.HasErrors() && n.ContinueOnErr { |
| log.Printf("[WARN] Block evaluation failed: %s", diags.Err()) |
| return nil, EvalEarlyExitError{} |
| } |
| |
| if n.Output != nil { |
| *n.Output = val |
| } |
| if n.ExpandedConfig != nil { |
| *n.ExpandedConfig = body |
| } |
| |
| return nil, diags.ErrWithWarnings() |
| } |
| |
| // EvalConfigExpr is an EvalNode implementation that takes a raw configuration |
| // expression and evaluates it. |
| type EvalConfigExpr struct { |
| Expr hcl.Expression |
| SelfAddr addrs.Referenceable |
| Output *cty.Value |
| } |
| |
| func (n *EvalConfigExpr) Eval(ctx EvalContext) (interface{}, error) { |
| val, diags := ctx.EvaluateExpr(n.Expr, cty.DynamicPseudoType, n.SelfAddr) |
| |
| if n.Output != nil { |
| *n.Output = val |
| } |
| |
| return nil, diags.ErrWithWarnings() |
| } |