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Copy pathcmk.go
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128 lines (111 loc) · 3.7 KB
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// Licensed to the 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. The 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 main
import (
"flag"
"fmt"
"os"
"strconv"
"strings"
"github.com/apache/cloudstack-cloudmonkey/cli"
"github.com/apache/cloudstack-cloudmonkey/cmd"
"github.com/apache/cloudstack-cloudmonkey/config"
)
// GitSHA holds the git SHA
var GitSHA string
// BuildDate holds the build datetime
var BuildDate string
func init() {
flag.Usage = func() {
cmd.PrintUsage()
}
}
func main() {
validFormats := strings.Join(config.GetOutputFormats(), ",")
outputFormat := flag.String("o", "", "output format: "+validFormats)
showVersion := flag.Bool("v", false, "show version")
debug := flag.Bool("d", false, "enable debug mode")
profile := flag.String("p", "", "server profile")
configFilePath := flag.String("c", "", "config file path")
acsURL := flag.String("u", config.DefaultACSAPIEndpoint, "cloudStack's API endpoint URL")
apiKey := flag.String("k", "", "cloudStack user's API key")
secretKey := flag.String("s", "", "cloudStack user's secret key")
flag.Parse()
args := flag.Args()
// Fall back to environment variables for flags not passed on the
// command line; CLI flags take precedence over environment variables.
passedFlags := make(map[string]bool)
flag.Visit(func(f *flag.Flag) {
passedFlags[f.Name] = true
})
fallbackToEnvVar := func(flagName string, flagValue *string, envVar string) {
if !passedFlags[flagName] {
if value := os.Getenv(envVar); value != "" {
*flagValue = value
}
}
}
fallbackToEnvVar("c", configFilePath, config.ConfigFileEnvVar)
fallbackToEnvVar("p", profile, config.ProfileEnvVar)
fallbackToEnvVar("u", acsURL, config.URLEnvVar)
fallbackToEnvVar("k", apiKey, config.APIKeyEnvVar)
fallbackToEnvVar("s", secretKey, config.SecretKeyEnvVar)
fallbackToEnvVar("o", outputFormat, config.OutputEnvVar)
if !passedFlags["d"] {
if value, err := strconv.ParseBool(strings.TrimSpace(os.Getenv(config.DebugEnvVar))); err == nil {
*debug = value
}
}
cfg := config.NewConfig(configFilePath)
if *showVersion {
fmt.Printf("%s %s (build: %s, %s)\n", cfg.Name(), cfg.Version(), GitSHA, BuildDate)
os.Exit(0)
}
if *debug {
config.EnableDebugging()
}
if *outputFormat != "" {
if !config.CheckIfValuePresent(config.GetOutputFormats(), *outputFormat) {
fmt.Println("Invalid value set for output format. Supported values: " + validFormats)
os.Exit(1)
}
cfg.UpdateConfig("output", *outputFormat, false)
}
if *acsURL != config.DefaultACSAPIEndpoint {
cfg.UpdateConfig("url", *acsURL, false)
}
if *apiKey != "" {
cfg.UpdateConfig("apikey", *apiKey, false)
}
if *secretKey != "" {
cfg.UpdateConfig("secretkey", *secretKey, false)
}
if *profile != "" {
cfg.LoadProfile(*profile, true)
}
config.LoadCache(cfg)
cli.SetConfig(cfg)
config.Debug("cmdline args:", strings.Join(os.Args, ", "))
if len(args) > 0 {
if err := cli.ExecCmd(args, (*apiKey != "" || *secretKey != "")); err != nil {
fmt.Println("🙈 Error:", err)
os.Exit(1)
}
os.Exit(0)
}
cli.ExecPrompt()
}