Added JSON input validation for CLI commands (#1771)

## Changes
Added JSON input validation for CLI commands. Now when invalid JSON
passed as a payload to CLI commands, CLI performs input normalisation
and detects if there are any mismatches such as incorrect types, unknown
fields and etc.

This diagnostic information is printed in standard error output and does
not block command execution, so the change is backward compatible.

Fixes #1769 #1764 #1625 #1560


## Tests
Added unit tests

```
andrew.nester@HFW9Y94129 ~ % databricks jobs create --json '{"seeti}'
Error: error decoding JSON at (inline):1:2: unexpected EOF


andrew.nester@HFW9Y94129 ~ % databricks jobs create --json '{"seeti": true}'
Warning: unknown field: seeti
  in (inline):1:9

Error: Job settings must be specified.
```

---------

Co-authored-by: Pieter Noordhuis <[email protected]>

.codegen/service.go.tmpl

@@ -5,6 +5,7 @@ package {{(.TrimPrefix "account").SnakeName}}
 import (
     "github.com/databricks/cli/libs/cmdio"
     "github.com/databricks/cli/libs/flags"
+	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/cli/cmd/root"
 	"github.com/databricks/databricks-sdk-go/service/{{.Package.Name}}"
 	"github.com/spf13/cobra"
@@ -231,9 +232,15 @@ func new{{.PascalName}}() *cobra.Command {
 		{{- if .Request }}
 			{{ if .CanUseJson }}
 			if cmd.Flags().Changed("json") {
-					err = {{.CamelName}}Json.Unmarshal(&{{.CamelName}}Req)
-					if err != nil {
-						return err
+					diags := {{.CamelName}}Json.Unmarshal(&{{.CamelName}}Req)
+					if diags.HasError() {
+						return diags.Error()
+					}
+					if len(diags) > 0 {
+						err := cmdio.RenderDiagnosticsToErrorOut(ctx, diags)
+						if err != nil {
+							return err
+						}
 					}
 			}{{end}}{{ if .MustUseJson }}else {
 				return fmt.Errorf("please provide command input in JSON format by specifying the --json flag")

bundle/render/render_text_output.go

@@ -8,6 +8,7 @@ import (
 	"text/template"
 
 	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/libs/cmdio"
 	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/databricks-sdk-go/service/iam"
 	"github.com/fatih/color"
@@ -28,48 +29,6 @@ var renderFuncMap = template.FuncMap{
 	},
 }
 
-const errorTemplate = `{{ "Error" | red }}: {{ .Summary }}
-{{- range $index, $element := .Paths }}
-  {{ if eq $index 0 }}at {{else}}   {{ end}}{{ $element.String | green }}
-{{- end }}
-{{- range $index, $element := .Locations }}
-  {{ if eq $index 0 }}in {{else}}   {{ end}}{{ $element.String | cyan }}
-{{- end }}
-{{- if .Detail }}
-
-{{ .Detail }}
-{{- end }}
-
-`
-
-const warningTemplate = `{{ "Warning" | yellow }}: {{ .Summary }}
-{{- range $index, $element := .Paths }}
-  {{ if eq $index 0 }}at {{else}}   {{ end}}{{ $element.String | green }}
-{{- end }}
-{{- range $index, $element := .Locations }}
-  {{ if eq $index 0 }}in {{else}}   {{ end}}{{ $element.String | cyan }}
-{{- end }}
-{{- if .Detail }}
-
-{{ .Detail }}
-{{- end }}
-
-`
-
-const recommendationTemplate = `{{ "Recommendation" | blue }}: {{ .Summary }}
-{{- range $index, $element := .Paths }}
-  {{ if eq $index 0 }}at {{else}}   {{ end}}{{ $element.String | green }}
-{{- end }}
-{{- range $index, $element := .Locations }}
-  {{ if eq $index 0 }}in {{else}}   {{ end}}{{ $element.String | cyan }}
-{{- end }}
-{{- if .Detail }}
-
-{{ .Detail }}
-{{- end }}
-
-`
-
 const summaryTemplate = `{{- if .Name -}}
 Name: {{ .Name | bold }}
 {{- if .Target }}
@@ -153,22 +112,7 @@ func renderSummaryTemplate(out io.Writer, b *bundle.Bundle, diags diag.Diagnosti
 }
 
 func renderDiagnostics(out io.Writer, b *bundle.Bundle, diags diag.Diagnostics) error {
-	errorT := template.Must(template.New("error").Funcs(renderFuncMap).Parse(errorTemplate))
-	warningT := template.Must(template.New("warning").Funcs(renderFuncMap).Parse(warningTemplate))
-	recommendationT := template.Must(template.New("recommendation").Funcs(renderFuncMap).Parse(recommendationTemplate))
-
-	// Print errors and warnings.
 	for _, d := range diags {
-		var t *template.Template
-		switch d.Severity {
-		case diag.Error:
-			t = errorT
-		case diag.Warning:
-			t = warningT
-		case diag.Recommendation:
-			t = recommendationT
-		}
-
 		for i := range d.Locations {
 			if b == nil {
 				break
@@ -183,15 +127,9 @@ func renderDiagnostics(out io.Writer, b *bundle.Bundle, diags diag.Diagnostics)
 				}
 			}
 		}
-
-		// Render the diagnostic with the appropriate template.
-		err := t.Execute(out, d)
-		if err != nil {
-			return fmt.Errorf("failed to render template: %w", err)
-		}
 	}
 
-	return nil
+	return cmdio.RenderDiagnostics(out, diags)
 }
 
 // RenderOptions contains options for rendering diagnostics.