package command import ( "fmt" "os" "github.com/hashicorp/terraform/backend" "github.com/hashicorp/terraform/command/jsonprovider" "github.com/hashicorp/terraform/tfdiags" ) // ProvidersCommand is a Command implementation that prints out information // about the providers used in the current configuration/state. type ProvidersSchemaCommand struct { Meta } func (c *ProvidersSchemaCommand) Help() string { return providersSchemaCommandHelp } func (c *ProvidersSchemaCommand) Synopsis() string { return "Prints the schemas of the providers used in the configuration" } func (c *ProvidersSchemaCommand) Run(args []string) int { args, err := c.Meta.process(args, false) if err != nil { return 1 } cmdFlags := c.Meta.defaultFlagSet("providers schema") var jsonOutput bool cmdFlags.BoolVar(&jsonOutput, "json", false, "produce JSON output") cmdFlags.Usage = func() { c.Ui.Error(c.Help()) } if err := cmdFlags.Parse(args); err != nil { c.Ui.Error(fmt.Sprintf("Error parsing command-line flags: %s\n", err.Error())) return 1 } if !jsonOutput { c.Ui.Error( "The `terraform providers schema` command requires the `-json` flag.\n") cmdFlags.Usage() return 1 } // Check for user-supplied plugin path if c.pluginPath, err = c.loadPluginPath(); err != nil { c.Ui.Error(fmt.Sprintf("Error loading plugin path: %s", err)) return 1 } var diags tfdiags.Diagnostics // Load the backend b, backendDiags := c.Backend(nil) diags = diags.Append(backendDiags) if backendDiags.HasErrors() { c.showDiagnostics(diags) return 1 } // We require a local backend local, ok := b.(backend.Local) if !ok { c.showDiagnostics(diags) // in case of any warnings in here c.Ui.Error(ErrUnsupportedLocalOp) return 1 } // we expect that the config dir is the cwd cwd, err := os.Getwd() if err != nil { c.Ui.Error(fmt.Sprintf("Error getting cwd: %s", err)) return 1 } // Build the operation opReq := c.Operation(b) opReq.ConfigDir = cwd opReq.ConfigLoader, err = c.initConfigLoader() opReq.AllowUnsetVariables = true if err != nil { diags = diags.Append(err) c.showDiagnostics(diags) return 1 } // Get the context ctx, _, ctxDiags := local.Context(opReq) diags = diags.Append(ctxDiags) if ctxDiags.HasErrors() { c.showDiagnostics(diags) return 1 } schemas := ctx.Schemas() jsonSchemas, err := jsonprovider.Marshal(schemas) if err != nil { c.Ui.Error(fmt.Sprintf("Failed to marshal provider schemas to json: %s", err)) return 1 } c.Ui.Output(string(jsonSchemas)) return 0 } const providersSchemaCommandHelp = ` Usage: terraform providers schema -json Prints out a json representation of the schemas for all providers used in the current configuration. `