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48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
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package terraform
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import (
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"fmt"
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"github.com/hashicorp/terraform-plugin-sdk/internal/plans"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/terraform-plugin-sdk/internal/addrs"
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"github.com/hashicorp/terraform-plugin-sdk/internal/configs"
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"github.com/hashicorp/terraform-plugin-sdk/internal/tfdiags"
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)
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// EvalPreventDestroy is an EvalNode implementation that returns an
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// error if a resource has PreventDestroy configured and the diff
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// would destroy the resource.
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type EvalCheckPreventDestroy struct {
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Addr addrs.ResourceInstance
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Config *configs.Resource
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Change **plans.ResourceInstanceChange
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}
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func (n *EvalCheckPreventDestroy) Eval(ctx EvalContext) (interface{}, error) {
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if n.Change == nil || *n.Change == nil || n.Config == nil || n.Config.Managed == nil {
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return nil, nil
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}
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change := *n.Change
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preventDestroy := n.Config.Managed.PreventDestroy
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if (change.Action == plans.Delete || change.Action.IsReplace()) && preventDestroy {
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var diags tfdiags.Diagnostics
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diags = diags.Append(&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Instance cannot be destroyed",
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Detail: fmt.Sprintf(
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"Resource %s has lifecycle.prevent_destroy set, but the plan calls for this resource to be destroyed. To avoid this error and continue with the plan, either disable lifecycle.prevent_destroy or reduce the scope of the plan using the -target flag.",
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n.Addr.Absolute(ctx.Path()).String(),
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),
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Subject: &n.Config.DeclRange,
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})
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return nil, diags.Err()
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}
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return nil, nil
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}
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