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Commit | Line | Data |
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1 | package terraform | |
2 | ||
3 | import ( | |
4 | "fmt" | |
5 | "log" | |
6 | ||
7 | "github.com/hashicorp/terraform/addrs" | |
8 | "github.com/hashicorp/terraform/providers" | |
9 | "github.com/hashicorp/terraform/states" | |
10 | "github.com/hashicorp/terraform/tfdiags" | |
11 | ) | |
12 | ||
13 | // EvalImportState is an EvalNode implementation that performs an | |
14 | // ImportState operation on a provider. This will return the imported | |
15 | // states but won't modify any actual state. | |
16 | type EvalImportState struct { | |
17 | Addr addrs.ResourceInstance | |
18 | Provider *providers.Interface | |
19 | ID string | |
20 | Output *[]providers.ImportedResource | |
21 | } | |
22 | ||
23 | // TODO: test | |
24 | func (n *EvalImportState) Eval(ctx EvalContext) (interface{}, error) { | |
25 | absAddr := n.Addr.Absolute(ctx.Path()) | |
26 | provider := *n.Provider | |
27 | var diags tfdiags.Diagnostics | |
28 | ||
29 | { | |
30 | // Call pre-import hook | |
31 | err := ctx.Hook(func(h Hook) (HookAction, error) { | |
32 | return h.PreImportState(absAddr, n.ID) | |
33 | }) | |
34 | if err != nil { | |
35 | return nil, err | |
36 | } | |
37 | } | |
38 | ||
39 | resp := provider.ImportResourceState(providers.ImportResourceStateRequest{ | |
40 | TypeName: n.Addr.Resource.Type, | |
41 | ID: n.ID, | |
42 | }) | |
43 | diags = diags.Append(resp.Diagnostics) | |
44 | if diags.HasErrors() { | |
45 | return nil, diags.Err() | |
46 | } | |
47 | ||
48 | imported := resp.ImportedResources | |
49 | ||
50 | for _, obj := range imported { | |
51 | log.Printf("[TRACE] EvalImportState: import %s %q produced instance object of type %s", absAddr.String(), n.ID, obj.TypeName) | |
52 | } | |
53 | ||
54 | if n.Output != nil { | |
55 | *n.Output = imported | |
56 | } | |
57 | ||
58 | { | |
59 | // Call post-import hook | |
60 | err := ctx.Hook(func(h Hook) (HookAction, error) { | |
61 | return h.PostImportState(absAddr, imported) | |
62 | }) | |
63 | if err != nil { | |
64 | return nil, err | |
65 | } | |
66 | } | |
67 | ||
68 | return nil, nil | |
69 | } | |
70 | ||
71 | // EvalImportStateVerify verifies the state after ImportState and | |
72 | // after the refresh to make sure it is non-nil and valid. | |
73 | type EvalImportStateVerify struct { | |
74 | Addr addrs.ResourceInstance | |
75 | State **states.ResourceInstanceObject | |
76 | } | |
77 | ||
78 | // TODO: test | |
79 | func (n *EvalImportStateVerify) Eval(ctx EvalContext) (interface{}, error) { | |
80 | var diags tfdiags.Diagnostics | |
81 | ||
82 | state := *n.State | |
83 | if state.Value.IsNull() { | |
84 | diags = diags.Append(tfdiags.Sourceless( | |
85 | tfdiags.Error, | |
86 | "Cannot import non-existent remote object", | |
87 | fmt.Sprintf( | |
88 | "While attempting to import an existing object to %s, the provider detected that no object exists with the given id. Only pre-existing objects can be imported; check that the id is correct and that it is associated with the provider's configured region or endpoint, or use \"terraform apply\" to create a new remote object for this resource.", | |
89 | n.Addr.String(), | |
90 | ), | |
91 | )) | |
92 | } | |
93 | ||
94 | return nil, diags.ErrWithWarnings() | |
95 | } |