terraform/internal/provider-simple/provider.go

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// simple provider a minimal provider implementation for testing
package simple
import (
"errors"
"time"
"github.com/hashicorp/terraform/configs/configschema"
"github.com/hashicorp/terraform/providers"
"github.com/zclconf/go-cty/cty"
ctyjson "github.com/zclconf/go-cty/cty/json"
)
type simple struct {
schema providers.GetProviderSchemaResponse
}
func Provider() providers.Interface {
simpleResource := providers.Schema{
Block: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"id": {
Computed: true,
Type: cty.String,
},
"value": {
Optional: true,
Type: cty.String,
},
},
},
}
return simple{
schema: providers.GetProviderSchemaResponse{
Provider: providers.Schema{
Block: nil,
},
ResourceTypes: map[string]providers.Schema{
"simple_resource": simpleResource,
},
DataSources: map[string]providers.Schema{
"simple_resource": simpleResource,
},
},
}
}
func (s simple) GetProviderSchema() providers.GetProviderSchemaResponse {
return s.schema
}
func (s simple) ValidateProviderConfig(req providers.ValidateProviderConfigRequest) (resp providers.ValidateProviderConfigResponse) {
return resp
}
func (s simple) ValidateResourceConfig(req providers.ValidateResourceConfigRequest) (resp providers.ValidateResourceConfigResponse) {
return resp
}
func (s simple) ValidateDataSourceConfig(req providers.ValidateDataSourceConfigRequest) (resp providers.ValidateDataSourceConfigResponse) {
return resp
}
func (p simple) UpgradeResourceState(req providers.UpgradeResourceStateRequest) (resp providers.UpgradeResourceStateResponse) {
ty := p.schema.ResourceTypes[req.TypeName].Block.ImpliedType()
val, err := ctyjson.Unmarshal(req.RawStateJSON, ty)
resp.Diagnostics = resp.Diagnostics.Append(err)
resp.UpgradedState = val
return resp
}
func (s simple) ConfigureProvider(providers.ConfigureProviderRequest) (resp providers.ConfigureProviderResponse) {
return resp
}
func (s simple) Stop() error {
return nil
}
func (s simple) ReadResource(req providers.ReadResourceRequest) (resp providers.ReadResourceResponse) {
// just return the same state we received
resp.NewState = req.PriorState
return resp
}
func (s simple) PlanResourceChange(req providers.PlanResourceChangeRequest) (resp providers.PlanResourceChangeResponse) {
m := req.ProposedNewState.AsValueMap()
_, ok := m["id"]
if !ok {
m["id"] = cty.UnknownVal(cty.String)
}
resp.PlannedState = cty.ObjectVal(m)
return resp
}
func (s simple) ApplyResourceChange(req providers.ApplyResourceChangeRequest) (resp providers.ApplyResourceChangeResponse) {
if req.PlannedState.IsNull() {
resp.NewState = req.PlannedState
return resp
}
m := req.PlannedState.AsValueMap()
_, ok := m["id"]
if !ok {
m["id"] = cty.StringVal(time.Now().String())
}
resp.NewState = cty.ObjectVal(m)
return resp
}
func (s simple) ImportResourceState(providers.ImportResourceStateRequest) (resp providers.ImportResourceStateResponse) {
resp.Diagnostics = resp.Diagnostics.Append(errors.New("unsupported"))
return resp
}
func (s simple) ReadDataSource(req providers.ReadDataSourceRequest) (resp providers.ReadDataSourceResponse) {
m := req.Config.AsValueMap()
m["id"] = cty.StringVal("static_id")
resp.State = cty.ObjectVal(m)
return resp
}
func (s simple) Close() error {
return nil
}