107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package rpc
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import (
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"net/rpc"
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"github.com/hashicorp/terraform/terraform"
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)
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// ResourceProvider is an implementation of terraform.ResourceProvider
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// that communicates over RPC.
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type ResourceProvider struct {
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Client *rpc.Client
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Name string
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}
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func (p *ResourceProvider) Configure(c *terraform.ResourceConfig) error {
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var resp ResourceProviderConfigureResponse
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err := p.Client.Call(p.Name+".Configure", c, &resp)
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if err != nil {
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return err
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}
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if resp.Error != nil {
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err = resp.Error
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}
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return err
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}
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func (p *ResourceProvider) Diff(
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s *terraform.ResourceState,
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c *terraform.ResourceConfig) (*terraform.ResourceDiff, error) {
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var resp ResourceProviderDiffResponse
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args := &ResourceProviderDiffArgs{
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State: s,
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Config: c,
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}
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err := p.Client.Call(p.Name+".Diff", args, &resp)
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if err != nil {
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return nil, err
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}
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if resp.Error != nil {
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err = resp.Error
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}
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return resp.Diff, err
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}
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func (p *ResourceProvider) Resources() []terraform.ResourceType {
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var result []terraform.ResourceType
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err := p.Client.Call(p.Name+".Resources", new(interface{}), &result)
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if err != nil {
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// TODO: panic, log, what?
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return nil
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}
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return result
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}
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// ResourceProviderServer is a net/rpc compatible structure for serving
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// a ResourceProvider. This should not be used directly.
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type ResourceProviderServer struct {
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Provider terraform.ResourceProvider
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}
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type ResourceProviderConfigureResponse struct {
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Error *BasicError
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}
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type ResourceProviderDiffArgs struct {
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State *terraform.ResourceState
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Config *terraform.ResourceConfig
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}
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type ResourceProviderDiffResponse struct {
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Diff *terraform.ResourceDiff
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Error *BasicError
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}
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func (s *ResourceProviderServer) Configure(
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config *terraform.ResourceConfig,
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reply *ResourceProviderConfigureResponse) error {
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err := s.Provider.Configure(config)
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*reply = ResourceProviderConfigureResponse{
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Error: NewBasicError(err),
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}
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return nil
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}
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func (s *ResourceProviderServer) Diff(
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args *ResourceProviderDiffArgs,
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result *ResourceProviderDiffResponse) error {
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diff, err := s.Provider.Diff(args.State, args.Config)
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*result = ResourceProviderDiffResponse{
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Diff: diff,
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Error: NewBasicError(err),
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}
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return nil
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}
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func (s *ResourceProviderServer) Resources(
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nothing interface{},
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result *[]terraform.ResourceType) error {
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*result = s.Provider.Resources()
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return nil
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}
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