/
cli.go
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/
cli.go
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// Copyright The OpenTelemetry Authors
//
// Licensed 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 schemagen
import (
"flag"
"fmt"
"go.opentelemetry.io/collector/component"
)
// CLI defines the command-line interface for the schemagen util.
func CLI(c component.Factories) {
prepUsage()
e, componentType, componentName := parseArgs()
e.yamlFilename = yamlFilename
switch {
case componentType == "all":
createAllSchemaFiles(c, e)
case componentType != "" && componentName != "":
createSingleSchemaFile(
c,
componentType,
componentName,
e,
)
default:
flag.Usage()
}
}
func prepUsage() {
const usage = `cfgschema all
cfgschema <componentType> <componentName>
options
`
flag.Usage = func() {
_, _ = fmt.Fprint(flag.CommandLine.Output(), usage)
flag.PrintDefaults()
}
}
func parseArgs() (env, string, string) {
e := env{}
flag.StringVar(&e.srcRoot, "s", defaultSrcRoot, "collector source root")
flag.StringVar(&e.moduleName, "m", defaultModule, "module name")
flag.Parse()
componentType := flag.Arg(0)
componentName := flag.Arg(1)
return e, componentType, componentName
}