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| 1 | +// Terraform Plugin RPC protocol version 5.3 |
| 2 | +// |
| 3 | +// This file defines version 5.3 of the RPC protocol. To implement a plugin |
| 4 | +// against this protocol, copy this definition into your own codebase and |
| 5 | +// use protoc to generate stubs for your target language. |
| 6 | +// |
| 7 | +// This file will not be updated. Any minor versions of protocol 5 to follow |
| 8 | +// should copy this file and modify the copy while maintaing backwards |
| 9 | +// compatibility. Breaking changes, if any are required, will come |
| 10 | +// in a subsequent major version with its own separate proto definition. |
| 11 | +// |
| 12 | +// Note that only the proto files included in a release tag of Terraform are |
| 13 | +// official protocol releases. Proto files taken from other commits may include |
| 14 | +// incomplete changes or features that did not make it into a final release. |
| 15 | +// In all reasonable cases, plugin developers should take the proto file from |
| 16 | +// the tag of the most recent release of Terraform, and not from the main |
| 17 | +// branch or any other development branch. |
| 18 | +// |
| 19 | +syntax = "proto3"; |
| 20 | +option go_package = "github.com/hashicorp/terraform/internal/tfplugin5"; |
| 21 | + |
| 22 | +package tfplugin5; |
| 23 | + |
| 24 | +// DynamicValue is an opaque encoding of terraform data, with the field name |
| 25 | +// indicating the encoding scheme used. |
| 26 | +message DynamicValue { |
| 27 | + bytes msgpack = 1; |
| 28 | + bytes json = 2; |
| 29 | +} |
| 30 | + |
| 31 | +message Diagnostic { |
| 32 | + enum Severity { |
| 33 | + INVALID = 0; |
| 34 | + ERROR = 1; |
| 35 | + WARNING = 2; |
| 36 | + } |
| 37 | + Severity severity = 1; |
| 38 | + string summary = 2; |
| 39 | + string detail = 3; |
| 40 | + AttributePath attribute = 4; |
| 41 | +} |
| 42 | + |
| 43 | +message AttributePath { |
| 44 | + message Step { |
| 45 | + oneof selector { |
| 46 | + // Set "attribute_name" to represent looking up an attribute |
| 47 | + // in the current object value. |
| 48 | + string attribute_name = 1; |
| 49 | + // Set "element_key_*" to represent looking up an element in |
| 50 | + // an indexable collection type. |
| 51 | + string element_key_string = 2; |
| 52 | + int64 element_key_int = 3; |
| 53 | + } |
| 54 | + } |
| 55 | + repeated Step steps = 1; |
| 56 | +} |
| 57 | + |
| 58 | +message Stop { |
| 59 | + message Request { |
| 60 | + } |
| 61 | + message Response { |
| 62 | + string Error = 1; |
| 63 | + } |
| 64 | +} |
| 65 | + |
| 66 | +// RawState holds the stored state for a resource to be upgraded by the |
| 67 | +// provider. It can be in one of two formats, the current json encoded format |
| 68 | +// in bytes, or the legacy flatmap format as a map of strings. |
| 69 | +message RawState { |
| 70 | + bytes json = 1; |
| 71 | + map<string, string> flatmap = 2; |
| 72 | +} |
| 73 | + |
| 74 | +enum StringKind { |
| 75 | + PLAIN = 0; |
| 76 | + MARKDOWN = 1; |
| 77 | +} |
| 78 | + |
| 79 | +// Schema is the configuration schema for a Resource, Provider, or Provisioner. |
| 80 | +message Schema { |
| 81 | + message Block { |
| 82 | + int64 version = 1; |
| 83 | + repeated Attribute attributes = 2; |
| 84 | + repeated NestedBlock block_types = 3; |
| 85 | + string description = 4; |
| 86 | + StringKind description_kind = 5; |
| 87 | + bool deprecated = 6; |
| 88 | + } |
| 89 | + |
| 90 | + message Attribute { |
| 91 | + string name = 1; |
| 92 | + bytes type = 2; |
| 93 | + string description = 3; |
| 94 | + bool required = 4; |
| 95 | + bool optional = 5; |
| 96 | + bool computed = 6; |
| 97 | + bool sensitive = 7; |
| 98 | + StringKind description_kind = 8; |
| 99 | + bool deprecated = 9; |
| 100 | + } |
| 101 | + |
| 102 | + message NestedBlock { |
| 103 | + enum NestingMode { |
| 104 | + INVALID = 0; |
| 105 | + SINGLE = 1; |
| 106 | + LIST = 2; |
| 107 | + SET = 3; |
| 108 | + MAP = 4; |
| 109 | + GROUP = 5; |
| 110 | + } |
| 111 | + |
| 112 | + string type_name = 1; |
| 113 | + Block block = 2; |
| 114 | + NestingMode nesting = 3; |
| 115 | + int64 min_items = 4; |
| 116 | + int64 max_items = 5; |
| 117 | + } |
| 118 | + |
| 119 | + // The version of the schema. |
| 120 | + // Schemas are versioned, so that providers can upgrade a saved resource |
| 121 | + // state when the schema is changed. |
| 122 | + int64 version = 1; |
| 123 | + |
| 124 | + // Block is the top level configuration block for this schema. |
| 125 | + Block block = 2; |
| 126 | +} |
| 127 | + |
| 128 | +service Provider { |
| 129 | + //////// Information about what a provider supports/expects |
| 130 | + rpc GetSchema(GetProviderSchema.Request) returns (GetProviderSchema.Response); |
| 131 | + rpc PrepareProviderConfig(PrepareProviderConfig.Request) returns (PrepareProviderConfig.Response); |
| 132 | + rpc ValidateResourceTypeConfig(ValidateResourceTypeConfig.Request) returns (ValidateResourceTypeConfig.Response); |
| 133 | + rpc ValidateDataSourceConfig(ValidateDataSourceConfig.Request) returns (ValidateDataSourceConfig.Response); |
| 134 | + rpc UpgradeResourceState(UpgradeResourceState.Request) returns (UpgradeResourceState.Response); |
| 135 | + |
| 136 | + //////// One-time initialization, called before other functions below |
| 137 | + rpc Configure(Configure.Request) returns (Configure.Response); |
| 138 | + |
| 139 | + //////// Managed Resource Lifecycle |
| 140 | + rpc ReadResource(ReadResource.Request) returns (ReadResource.Response); |
| 141 | + rpc PlanResourceChange(PlanResourceChange.Request) returns (PlanResourceChange.Response); |
| 142 | + rpc ApplyResourceChange(ApplyResourceChange.Request) returns (ApplyResourceChange.Response); |
| 143 | + rpc ImportResourceState(ImportResourceState.Request) returns (ImportResourceState.Response); |
| 144 | + |
| 145 | + rpc ReadDataSource(ReadDataSource.Request) returns (ReadDataSource.Response); |
| 146 | + |
| 147 | + //////// Graceful Shutdown |
| 148 | + rpc Stop(Stop.Request) returns (Stop.Response); |
| 149 | +} |
| 150 | + |
| 151 | +message GetProviderSchema { |
| 152 | + message Request { |
| 153 | + } |
| 154 | + message Response { |
| 155 | + Schema provider = 1; |
| 156 | + map<string, Schema> resource_schemas = 2; |
| 157 | + map<string, Schema> data_source_schemas = 3; |
| 158 | + repeated Diagnostic diagnostics = 4; |
| 159 | + Schema provider_meta = 5; |
| 160 | + ServerCapabilities server_capabilities = 6; |
| 161 | + } |
| 162 | + |
| 163 | + |
| 164 | + // ServerCapabilities allows providers to communicate extra information |
| 165 | + // regarding supported protocol features. This is used to indicate |
| 166 | + // availability of certain forward-compatible changes which may be optional |
| 167 | + // in a major protocol version, but cannot be tested for directly. |
| 168 | + message ServerCapabilities { |
| 169 | + // The plan_destroy capability signals that a provider expects a call |
| 170 | + // to PlanResourceChange when a resource is going to be destroyed. |
| 171 | + bool plan_destroy = 1; |
| 172 | + } |
| 173 | +} |
| 174 | + |
| 175 | +message PrepareProviderConfig { |
| 176 | + message Request { |
| 177 | + DynamicValue config = 1; |
| 178 | + } |
| 179 | + message Response { |
| 180 | + DynamicValue prepared_config = 1; |
| 181 | + repeated Diagnostic diagnostics = 2; |
| 182 | + } |
| 183 | +} |
| 184 | + |
| 185 | +message UpgradeResourceState { |
| 186 | + message Request { |
| 187 | + string type_name = 1; |
| 188 | + |
| 189 | + // version is the schema_version number recorded in the state file |
| 190 | + int64 version = 2; |
| 191 | + |
| 192 | + // raw_state is the raw states as stored for the resource. Core does |
| 193 | + // not have access to the schema of prior_version, so it's the |
| 194 | + // provider's responsibility to interpret this value using the |
| 195 | + // appropriate older schema. The raw_state will be the json encoded |
| 196 | + // state, or a legacy flat-mapped format. |
| 197 | + RawState raw_state = 3; |
| 198 | + } |
| 199 | + message Response { |
| 200 | + // new_state is a msgpack-encoded data structure that, when interpreted with |
| 201 | + // the _current_ schema for this resource type, is functionally equivalent to |
| 202 | + // that which was given in prior_state_raw. |
| 203 | + DynamicValue upgraded_state = 1; |
| 204 | + |
| 205 | + // diagnostics describes any errors encountered during migration that could not |
| 206 | + // be safely resolved, and warnings about any possibly-risky assumptions made |
| 207 | + // in the upgrade process. |
| 208 | + repeated Diagnostic diagnostics = 2; |
| 209 | + } |
| 210 | +} |
| 211 | + |
| 212 | +message ValidateResourceTypeConfig { |
| 213 | + message Request { |
| 214 | + string type_name = 1; |
| 215 | + DynamicValue config = 2; |
| 216 | + } |
| 217 | + message Response { |
| 218 | + repeated Diagnostic diagnostics = 1; |
| 219 | + } |
| 220 | +} |
| 221 | + |
| 222 | +message ValidateDataSourceConfig { |
| 223 | + message Request { |
| 224 | + string type_name = 1; |
| 225 | + DynamicValue config = 2; |
| 226 | + } |
| 227 | + message Response { |
| 228 | + repeated Diagnostic diagnostics = 1; |
| 229 | + } |
| 230 | +} |
| 231 | + |
| 232 | +message Configure { |
| 233 | + message Request { |
| 234 | + string terraform_version = 1; |
| 235 | + DynamicValue config = 2; |
| 236 | + } |
| 237 | + message Response { |
| 238 | + repeated Diagnostic diagnostics = 1; |
| 239 | + } |
| 240 | +} |
| 241 | + |
| 242 | +message ReadResource { |
| 243 | + message Request { |
| 244 | + string type_name = 1; |
| 245 | + DynamicValue current_state = 2; |
| 246 | + bytes private = 3; |
| 247 | + DynamicValue provider_meta = 4; |
| 248 | + } |
| 249 | + message Response { |
| 250 | + DynamicValue new_state = 1; |
| 251 | + repeated Diagnostic diagnostics = 2; |
| 252 | + bytes private = 3; |
| 253 | + } |
| 254 | +} |
| 255 | + |
| 256 | +message PlanResourceChange { |
| 257 | + message Request { |
| 258 | + string type_name = 1; |
| 259 | + DynamicValue prior_state = 2; |
| 260 | + DynamicValue proposed_new_state = 3; |
| 261 | + DynamicValue config = 4; |
| 262 | + bytes prior_private = 5; |
| 263 | + DynamicValue provider_meta = 6; |
| 264 | + } |
| 265 | + |
| 266 | + message Response { |
| 267 | + DynamicValue planned_state = 1; |
| 268 | + repeated AttributePath requires_replace = 2; |
| 269 | + bytes planned_private = 3; |
| 270 | + repeated Diagnostic diagnostics = 4; |
| 271 | + |
| 272 | + |
| 273 | + // This may be set only by the helper/schema "SDK" in the main Terraform |
| 274 | + // repository, to request that Terraform Core >=0.12 permit additional |
| 275 | + // inconsistencies that can result from the legacy SDK type system |
| 276 | + // and its imprecise mapping to the >=0.12 type system. |
| 277 | + // The change in behavior implied by this flag makes sense only for the |
| 278 | + // specific details of the legacy SDK type system, and are not a general |
| 279 | + // mechanism to avoid proper type handling in providers. |
| 280 | + // |
| 281 | + // ==== DO NOT USE THIS ==== |
| 282 | + // ==== THIS MUST BE LEFT UNSET IN ALL OTHER SDKS ==== |
| 283 | + // ==== DO NOT USE THIS ==== |
| 284 | + bool legacy_type_system = 5; |
| 285 | + } |
| 286 | +} |
| 287 | + |
| 288 | +message ApplyResourceChange { |
| 289 | + message Request { |
| 290 | + string type_name = 1; |
| 291 | + DynamicValue prior_state = 2; |
| 292 | + DynamicValue planned_state = 3; |
| 293 | + DynamicValue config = 4; |
| 294 | + bytes planned_private = 5; |
| 295 | + DynamicValue provider_meta = 6; |
| 296 | + } |
| 297 | + message Response { |
| 298 | + DynamicValue new_state = 1; |
| 299 | + bytes private = 2; |
| 300 | + repeated Diagnostic diagnostics = 3; |
| 301 | + |
| 302 | + // This may be set only by the helper/schema "SDK" in the main Terraform |
| 303 | + // repository, to request that Terraform Core >=0.12 permit additional |
| 304 | + // inconsistencies that can result from the legacy SDK type system |
| 305 | + // and its imprecise mapping to the >=0.12 type system. |
| 306 | + // The change in behavior implied by this flag makes sense only for the |
| 307 | + // specific details of the legacy SDK type system, and are not a general |
| 308 | + // mechanism to avoid proper type handling in providers. |
| 309 | + // |
| 310 | + // ==== DO NOT USE THIS ==== |
| 311 | + // ==== THIS MUST BE LEFT UNSET IN ALL OTHER SDKS ==== |
| 312 | + // ==== DO NOT USE THIS ==== |
| 313 | + bool legacy_type_system = 4; |
| 314 | + } |
| 315 | +} |
| 316 | + |
| 317 | +message ImportResourceState { |
| 318 | + message Request { |
| 319 | + string type_name = 1; |
| 320 | + string id = 2; |
| 321 | + } |
| 322 | + |
| 323 | + message ImportedResource { |
| 324 | + string type_name = 1; |
| 325 | + DynamicValue state = 2; |
| 326 | + bytes private = 3; |
| 327 | + } |
| 328 | + |
| 329 | + message Response { |
| 330 | + repeated ImportedResource imported_resources = 1; |
| 331 | + repeated Diagnostic diagnostics = 2; |
| 332 | + } |
| 333 | +} |
| 334 | + |
| 335 | +message ReadDataSource { |
| 336 | + message Request { |
| 337 | + string type_name = 1; |
| 338 | + DynamicValue config = 2; |
| 339 | + DynamicValue provider_meta = 3; |
| 340 | + } |
| 341 | + message Response { |
| 342 | + DynamicValue state = 1; |
| 343 | + repeated Diagnostic diagnostics = 2; |
| 344 | + } |
| 345 | +} |
| 346 | + |
| 347 | +service Provisioner { |
| 348 | + rpc GetSchema(GetProvisionerSchema.Request) returns (GetProvisionerSchema.Response); |
| 349 | + rpc ValidateProvisionerConfig(ValidateProvisionerConfig.Request) returns (ValidateProvisionerConfig.Response); |
| 350 | + rpc ProvisionResource(ProvisionResource.Request) returns (stream ProvisionResource.Response); |
| 351 | + rpc Stop(Stop.Request) returns (Stop.Response); |
| 352 | +} |
| 353 | + |
| 354 | +message GetProvisionerSchema { |
| 355 | + message Request { |
| 356 | + } |
| 357 | + message Response { |
| 358 | + Schema provisioner = 1; |
| 359 | + repeated Diagnostic diagnostics = 2; |
| 360 | + } |
| 361 | +} |
| 362 | + |
| 363 | +message ValidateProvisionerConfig { |
| 364 | + message Request { |
| 365 | + DynamicValue config = 1; |
| 366 | + } |
| 367 | + message Response { |
| 368 | + repeated Diagnostic diagnostics = 1; |
| 369 | + } |
| 370 | +} |
| 371 | + |
| 372 | +message ProvisionResource { |
| 373 | + message Request { |
| 374 | + DynamicValue config = 1; |
| 375 | + DynamicValue connection = 2; |
| 376 | + } |
| 377 | + message Response { |
| 378 | + string output = 1; |
| 379 | + repeated Diagnostic diagnostics = 2; |
| 380 | + } |
| 381 | +} |
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