internal/commands/hierarchy/layers.go

// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package hierarchy

import (
	"github.com/apache/skywalking-cli/internal/commands/interceptor"
	"github.com/apache/skywalking-cli/internal/flags"
	"github.com/apache/skywalking-cli/pkg/display"
	"github.com/apache/skywalking-cli/pkg/display/displayable"
	"github.com/apache/skywalking-cli/pkg/graphql/hierarchy"

	"github.com/urfave/cli/v2"
)

var layerCommand = &cli.Command{
	Name:    "layer-levels",
	Aliases: []string{"ll"},
	Usage:   "Query all layer hierarchy levels",
	Flags:   flags.Flags(),
	Before:  interceptor.BeforeChain(),
	Action: func(ctx *cli.Context) error {
		levels, err := hierarchy.ListLayerLevels(ctx)
		if err != nil {
			return err
		}
		return display.Display(ctx, &displayable.Displayable{Data: levels})
	},
}