3a545de34a
These changes add a page to the developer docs that describes the design and implementation of the `import` resource option and the `pulumi import` command. Co-authored-by: Levi Blackstone <levi@pulumi.com>
29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
@startuml
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participant "`pulumi import` Command" order 10
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participant "PCL Converter" order 13
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participant "Language Code Generator" order 16
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box "Engine"
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participant "Import Driver" order 20
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participant "Step Executor" order 25
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end box
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participant "Resource Provider" order 30
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"`pulumi import` Command" -> "Import Driver" ++ : engine.Import(import specs)
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"Import Driver" -> "Step Executor" --++ : []ImportStep(import spec)
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note left
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All steps run in parallel.
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end note
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"Step Executor" -> "Resource Provider" ++ : ReadRequest(type, id)
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"Step Executor" <- "Resource Provider" -- : ReadResponse(current inputs, current state)
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"Step Executor" -> "Resource Provider" ++ : CheckRequest(type, inputs, current inputs)
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"Step Executor" <- "Resource Provider" -- : CheckResponse(inputs', failures)
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"Step Executor" -> "Resource Provider" ++ : DiffRequest(type, inputs', current state, options)
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"Step Executor" <- "Resource Provider" -- : DiffResponse(diffs)
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"Import Driver" <- "Step Executor" -- : done(current states)
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"`pulumi import` Command" <- "Import Driver" -- : done(current states)
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"`pulumi import` Command" -> "PCL Converter" ++ : convert(current states)
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"`pulumi import` Command" <- "PCL Converter" -- : PCL resource definitions
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"`pulumi import` Command" -> "Language Code Generator" ++ : generateProgram(PCL resource definitions)
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"`pulumi import` Command" <- "Language Code Generator" -- : Generated resource definitions
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@enduml
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