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b699391d04
The extra feedback information for why resource instance deletion is planned is now included in the streaming JSON UI output. We also add an explicit case for no-op actions to switch statements in this package to ensure exhaustiveness, for future linting.
111 lines
3.3 KiB
Go
111 lines
3.3 KiB
Go
package json
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import (
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"fmt"
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"github.com/hashicorp/terraform/internal/plans"
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)
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func NewResourceInstanceChange(change *plans.ResourceInstanceChangeSrc) *ResourceInstanceChange {
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c := &ResourceInstanceChange{
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Resource: newResourceAddr(change.Addr),
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Action: changeAction(change.Action),
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Reason: changeReason(change.ActionReason),
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}
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if !change.Addr.Equal(change.PrevRunAddr) {
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if c.Action == ActionNoOp {
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c.Action = ActionMove
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}
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pr := newResourceAddr(change.PrevRunAddr)
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c.PreviousResource = &pr
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}
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return c
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}
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type ResourceInstanceChange struct {
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Resource ResourceAddr `json:"resource"`
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PreviousResource *ResourceAddr `json:"previous_resource,omitempty"`
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Action ChangeAction `json:"action"`
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Reason ChangeReason `json:"reason,omitempty"`
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}
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func (c *ResourceInstanceChange) String() string {
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return fmt.Sprintf("%s: Plan to %s", c.Resource.Addr, c.Action)
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}
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type ChangeAction string
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const (
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ActionNoOp ChangeAction = "noop"
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ActionMove ChangeAction = "move"
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ActionCreate ChangeAction = "create"
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ActionRead ChangeAction = "read"
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ActionUpdate ChangeAction = "update"
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ActionReplace ChangeAction = "replace"
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ActionDelete ChangeAction = "delete"
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)
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func changeAction(action plans.Action) ChangeAction {
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switch action {
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case plans.NoOp:
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return ActionNoOp
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case plans.Create:
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return ActionCreate
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case plans.Read:
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return ActionRead
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case plans.Update:
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return ActionUpdate
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case plans.DeleteThenCreate, plans.CreateThenDelete:
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return ActionReplace
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case plans.Delete:
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return ActionDelete
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default:
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return ActionNoOp
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}
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}
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type ChangeReason string
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const (
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ReasonNone ChangeReason = ""
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ReasonTainted ChangeReason = "tainted"
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ReasonRequested ChangeReason = "requested"
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ReasonCannotUpdate ChangeReason = "cannot_update"
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ReasonUnknown ChangeReason = "unknown"
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ReasonDeleteBecauseNoResourceConfig ChangeReason = "delete_because_no_resource_config"
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ReasonDeleteBecauseWrongRepetition ChangeReason = "delete_because_wrong_repetition"
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ReasonDeleteBecauseCountIndex ChangeReason = "delete_because_count_index"
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ReasonDeleteBecauseEachKey ChangeReason = "delete_because_each_key"
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ReasonDeleteBecauseNoModule ChangeReason = "delete_because_no_module"
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)
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func changeReason(reason plans.ResourceInstanceChangeActionReason) ChangeReason {
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switch reason {
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case plans.ResourceInstanceChangeNoReason:
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return ReasonNone
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case plans.ResourceInstanceReplaceBecauseTainted:
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return ReasonTainted
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case plans.ResourceInstanceReplaceByRequest:
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return ReasonRequested
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case plans.ResourceInstanceReplaceBecauseCannotUpdate:
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return ReasonCannotUpdate
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case plans.ResourceInstanceDeleteBecauseNoResourceConfig:
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return ReasonDeleteBecauseNoResourceConfig
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case plans.ResourceInstanceDeleteBecauseWrongRepetition:
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return ReasonDeleteBecauseWrongRepetition
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case plans.ResourceInstanceDeleteBecauseCountIndex:
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return ReasonDeleteBecauseCountIndex
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case plans.ResourceInstanceDeleteBecauseEachKey:
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return ReasonDeleteBecauseEachKey
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case plans.ResourceInstanceDeleteBecauseNoModule:
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return ReasonDeleteBecauseNoModule
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default:
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// This should never happen, but there's no good way to guarantee
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// exhaustive handling of the enum, so a generic fall back is better
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// than a misleading result or a panic
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return ReasonUnknown
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}
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}
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