package views import ( encJson "encoding/json" "fmt" "github.com/hashicorp/go-hclog" "github.com/hashicorp/terraform/command/views/json" "github.com/hashicorp/terraform/tfdiags" tfversion "github.com/hashicorp/terraform/version" ) // This version describes the schema of JSON UI messages. This version must be // updated after making any changes to this view, the jsonHook, or any of the // command/views/json package. const JSON_UI_VERSION = "0.1.0" func NewJSONView(view *View) *JSONView { log := hclog.New(&hclog.LoggerOptions{ Name: "terraform.ui", Output: view.streams.Stdout.File, JSONFormat: true, }) jv := &JSONView{ log: log, view: view, } jv.Version() return jv } type JSONView struct { // hclog is used for all output in JSON UI mode. The logger has an internal // mutex to ensure that messages are not interleaved. log hclog.Logger // We hold a reference to the view entirely to allow us to access the // ConfigSources function pointer, in order to render source snippets into // diagnostics. This is even more unfortunate than the same reference in the // view. // // Do not be tempted to dereference the configSource value upon logger init, // as it will likely be updated later. view *View } func (v *JSONView) Version() { version := tfversion.String() v.log.Info( fmt.Sprintf("Terraform %s", version), "type", json.MessageVersion, "terraform", version, "ui", JSON_UI_VERSION, ) } func (v *JSONView) Log(message string) { v.log.Info(message, "type", json.MessageLog) } func (v *JSONView) StateDump(state string) { v.log.Info( "Emergency state dump", "type", json.MessageLog, "state", encJson.RawMessage(state), ) } func (v *JSONView) Diagnostics(diags tfdiags.Diagnostics) { sources := v.view.configSources() for _, diag := range diags { diagnostic := json.NewDiagnostic(diag, sources) switch diag.Severity() { case tfdiags.Warning: v.log.Warn( fmt.Sprintf("Warning: %s", diag.Description().Summary), "type", json.MessageDiagnostic, "diagnostic", diagnostic, ) default: v.log.Error( fmt.Sprintf("Error: %s", diag.Description().Summary), "type", json.MessageDiagnostic, "diagnostic", diagnostic, ) } } } func (v *JSONView) PlannedChange(c *json.ResourceInstanceChange) { v.log.Info( c.String(), "type", json.MessagePlannedChange, "change", c, ) } func (v *JSONView) ChangeSummary(cs *json.ChangeSummary) { v.log.Info( cs.String(), "type", json.MessageChangeSummary, "changes", cs, ) } func (v *JSONView) Hook(h json.Hook) { v.log.Info( h.String(), "type", h.HookType(), "hook", h, ) } func (v *JSONView) Outputs(outputs json.Outputs) { v.log.Info( outputs.String(), "type", json.MessageOutputs, "outputs", outputs, ) }