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author | Alex Pilon <apilon@hashicorp.com> | 2019-02-22 18:24:37 -0500 |
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committer | Alex Pilon <apilon@hashicorp.com> | 2019-02-22 18:24:37 -0500 |
commit | 15c0b25d011f37e7c20aeca9eaf461f78285b8d9 (patch) | |
tree | 255c250a5c9d4801c74092d33b7337d8c14438ff /vendor/github.com/hashicorp/terraform/helper/schema/core_schema.go | |
parent | 07971ca38143c5faf951d152fba370ddcbe26ad5 (diff) | |
download | terraform-provider-statuscake-15c0b25d011f37e7c20aeca9eaf461f78285b8d9.tar.gz terraform-provider-statuscake-15c0b25d011f37e7c20aeca9eaf461f78285b8d9.tar.zst terraform-provider-statuscake-15c0b25d011f37e7c20aeca9eaf461f78285b8d9.zip |
deps: github.com/hashicorp/terraform@sdk-v0.11-with-go-modules
Updated via: go get github.com/hashicorp/terraform@sdk-v0.11-with-go-modules and go mod tidy
Diffstat (limited to 'vendor/github.com/hashicorp/terraform/helper/schema/core_schema.go')
-rw-r--r-- | vendor/github.com/hashicorp/terraform/helper/schema/core_schema.go | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/helper/schema/core_schema.go b/vendor/github.com/hashicorp/terraform/helper/schema/core_schema.go new file mode 100644 index 0000000..bf952f6 --- /dev/null +++ b/vendor/github.com/hashicorp/terraform/helper/schema/core_schema.go | |||
@@ -0,0 +1,155 @@ | |||
1 | package schema | ||
2 | |||
3 | import ( | ||
4 | "fmt" | ||
5 | |||
6 | "github.com/hashicorp/terraform/config/configschema" | ||
7 | "github.com/zclconf/go-cty/cty" | ||
8 | ) | ||
9 | |||
10 | // The functions and methods in this file are concerned with the conversion | ||
11 | // of this package's schema model into the slightly-lower-level schema model | ||
12 | // used by Terraform core for configuration parsing. | ||
13 | |||
14 | // CoreConfigSchema lowers the receiver to the schema model expected by | ||
15 | // Terraform core. | ||
16 | // | ||
17 | // This lower-level model has fewer features than the schema in this package, | ||
18 | // describing only the basic structure of configuration and state values we | ||
19 | // expect. The full schemaMap from this package is still required for full | ||
20 | // validation, handling of default values, etc. | ||
21 | // | ||
22 | // This method presumes a schema that passes InternalValidate, and so may | ||
23 | // panic or produce an invalid result if given an invalid schemaMap. | ||
24 | func (m schemaMap) CoreConfigSchema() *configschema.Block { | ||
25 | if len(m) == 0 { | ||
26 | // We return an actual (empty) object here, rather than a nil, | ||
27 | // because a nil result would mean that we don't have a schema at | ||
28 | // all, rather than that we have an empty one. | ||
29 | return &configschema.Block{} | ||
30 | } | ||
31 | |||
32 | ret := &configschema.Block{ | ||
33 | Attributes: map[string]*configschema.Attribute{}, | ||
34 | BlockTypes: map[string]*configschema.NestedBlock{}, | ||
35 | } | ||
36 | |||
37 | for name, schema := range m { | ||
38 | if schema.Elem == nil { | ||
39 | ret.Attributes[name] = schema.coreConfigSchemaAttribute() | ||
40 | continue | ||
41 | } | ||
42 | switch schema.Elem.(type) { | ||
43 | case *Schema: | ||
44 | ret.Attributes[name] = schema.coreConfigSchemaAttribute() | ||
45 | case *Resource: | ||
46 | ret.BlockTypes[name] = schema.coreConfigSchemaBlock() | ||
47 | default: | ||
48 | // Should never happen for a valid schema | ||
49 | panic(fmt.Errorf("invalid Schema.Elem %#v; need *Schema or *Resource", schema.Elem)) | ||
50 | } | ||
51 | } | ||
52 | |||
53 | return ret | ||
54 | } | ||
55 | |||
56 | // coreConfigSchemaAttribute prepares a configschema.Attribute representation | ||
57 | // of a schema. This is appropriate only for primitives or collections whose | ||
58 | // Elem is an instance of Schema. Use coreConfigSchemaBlock for collections | ||
59 | // whose elem is a whole resource. | ||
60 | func (s *Schema) coreConfigSchemaAttribute() *configschema.Attribute { | ||
61 | return &configschema.Attribute{ | ||
62 | Type: s.coreConfigSchemaType(), | ||
63 | Optional: s.Optional, | ||
64 | Required: s.Required, | ||
65 | Computed: s.Computed, | ||
66 | Sensitive: s.Sensitive, | ||
67 | } | ||
68 | } | ||
69 | |||
70 | // coreConfigSchemaBlock prepares a configschema.NestedBlock representation of | ||
71 | // a schema. This is appropriate only for collections whose Elem is an instance | ||
72 | // of Resource, and will panic otherwise. | ||
73 | func (s *Schema) coreConfigSchemaBlock() *configschema.NestedBlock { | ||
74 | ret := &configschema.NestedBlock{} | ||
75 | if nested := s.Elem.(*Resource).CoreConfigSchema(); nested != nil { | ||
76 | ret.Block = *nested | ||
77 | } | ||
78 | switch s.Type { | ||
79 | case TypeList: | ||
80 | ret.Nesting = configschema.NestingList | ||
81 | case TypeSet: | ||
82 | ret.Nesting = configschema.NestingSet | ||
83 | case TypeMap: | ||
84 | ret.Nesting = configschema.NestingMap | ||
85 | default: | ||
86 | // Should never happen for a valid schema | ||
87 | panic(fmt.Errorf("invalid s.Type %s for s.Elem being resource", s.Type)) | ||
88 | } | ||
89 | |||
90 | ret.MinItems = s.MinItems | ||
91 | ret.MaxItems = s.MaxItems | ||
92 | |||
93 | if s.Required && s.MinItems == 0 { | ||
94 | // configschema doesn't have a "required" representation for nested | ||
95 | // blocks, but we can fake it by requiring at least one item. | ||
96 | ret.MinItems = 1 | ||
97 | } | ||
98 | |||
99 | return ret | ||
100 | } | ||
101 | |||
102 | // coreConfigSchemaType determines the core config schema type that corresponds | ||
103 | // to a particular schema's type. | ||
104 | func (s *Schema) coreConfigSchemaType() cty.Type { | ||
105 | switch s.Type { | ||
106 | case TypeString: | ||
107 | return cty.String | ||
108 | case TypeBool: | ||
109 | return cty.Bool | ||
110 | case TypeInt, TypeFloat: | ||
111 | // configschema doesn't distinguish int and float, so helper/schema | ||
112 | // will deal with this as an additional validation step after | ||
113 | // configuration has been parsed and decoded. | ||
114 | return cty.Number | ||
115 | case TypeList, TypeSet, TypeMap: | ||
116 | var elemType cty.Type | ||
117 | switch set := s.Elem.(type) { | ||
118 | case *Schema: | ||
119 | elemType = set.coreConfigSchemaType() | ||
120 | case *Resource: | ||
121 | // In practice we don't actually use this for normal schema | ||
122 | // construction because we construct a NestedBlock in that | ||
123 | // case instead. See schemaMap.CoreConfigSchema. | ||
124 | elemType = set.CoreConfigSchema().ImpliedType() | ||
125 | default: | ||
126 | if set != nil { | ||
127 | // Should never happen for a valid schema | ||
128 | panic(fmt.Errorf("invalid Schema.Elem %#v; need *Schema or *Resource", s.Elem)) | ||
129 | } | ||
130 | // Some pre-existing schemas assume string as default, so we need | ||
131 | // to be compatible with them. | ||
132 | elemType = cty.String | ||
133 | } | ||
134 | switch s.Type { | ||
135 | case TypeList: | ||
136 | return cty.List(elemType) | ||
137 | case TypeSet: | ||
138 | return cty.Set(elemType) | ||
139 | case TypeMap: | ||
140 | return cty.Map(elemType) | ||
141 | default: | ||
142 | // can never get here in practice, due to the case we're inside | ||
143 | panic("invalid collection type") | ||
144 | } | ||
145 | default: | ||
146 | // should never happen for a valid schema | ||
147 | panic(fmt.Errorf("invalid Schema.Type %s", s.Type)) | ||
148 | } | ||
149 | } | ||
150 | |||
151 | // CoreConfigSchema is a convenient shortcut for calling CoreConfigSchema | ||
152 | // on the resource's schema. | ||
153 | func (r *Resource) CoreConfigSchema() *configschema.Block { | ||
154 | return schemaMap(r.Schema).CoreConfigSchema() | ||
155 | } | ||