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root.go
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root.go
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package cmd
import (
"fmt"
"os"
"github.com/sapcc/baremetal_temper/pkg/config"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
logLevel int
nodes []string
nodeQuery string
netboxStatus bool
nodeStatus string
cfgFile string
cfg config.Config
)
var rootCmd = &cobra.Command{
Use: "temper",
Short: "temper manages your node instances",
Long: `temper manages your node instances`,
Run: func(cmd *cobra.Command, args []string) {
cmd.Help()
},
}
func init() {
cobra.OnInitialize(InitConfig)
rootCmd.PersistentFlags().IntVarP(&logLevel, "log-level", "l", 5, "temper log level")
rootCmd.PersistentFlags().StringArrayVarP(&nodes, "nodes", "n", []string{}, "array of nodes")
rootCmd.PersistentFlags().StringVarP(&nodeQuery, "node-query", "q", "", "query to load nodes via netbox")
rootCmd.PersistentFlags().StringVar(&nodeStatus, "node-status", "planned", "node status to load via netbox")
rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/config.yaml)")
rootCmd.PersistentFlags().BoolVarP(&netboxStatus, "netbox-status", "s", false, "set to true if the node's netbox status should be updated")
switch logLevel {
case 1:
log.SetLevel(log.FatalLevel)
case 2:
log.SetLevel(log.ErrorLevel)
case 3:
log.SetLevel(log.WarnLevel)
case 4:
log.SetLevel(log.InfoLevel)
case 5:
log.SetLevel(log.DebugLevel)
}
}
// Execute executes the root command
func Execute() {
if err := rootCmd.Execute(); err != nil {
log.Fatal(err.Error())
}
}
// InitConfig reads in config file and ENV variables if set.
func InitConfig() {
viper.SetDefault("region", "")
viper.BindEnv("region", "region")
viper.SetDefault("inspector.host", "")
viper.BindEnv("inspector.host", "inspector_host")
viper.SetDefault("redfish.user", "")
viper.BindEnv("redfish.user", "redfish_user")
viper.SetDefault("redfish.password", "")
viper.BindEnv("redfish.password", "redfish_password")
viper.SetDefault("redfish.bootImage", "")
viper.BindEnv("redfish.bootImage", "redfish_bootImage")
viper.SetDefault("netbox.token", "")
viper.BindEnv("netbox.token", "netbox_token")
viper.SetDefault("netbox.host", "")
viper.BindEnv("netbox.host", "netbox_host")
viper.SetDefault("openstack.user", "")
viper.BindEnv("openstack.user", "openstack_user")
viper.SetDefault("openstack.password", "")
viper.BindEnv("openstack.password", "openstack_password")
viper.SetDefault("openstack.projectDomainName", "")
viper.BindEnv("openstack.projectDomainName", "openstack_projectDomainName")
viper.SetDefault("openstack.projectName", "")
viper.BindEnv("openstack.projectName", "openstack_projectName")
viper.SetDefault("openstack.domainName", "")
viper.BindEnv("openstack.domainName", "openstack_domainName")
viper.SetDefault("arista.user", "")
viper.BindEnv("arista.user", "arista_user")
viper.SetDefault("arista.password", "")
viper.BindEnv("arista.password", "arista_password")
viper.SetDefault("arista.transport", "")
viper.BindEnv("arista.transport", "arista_transport")
viper.SetDefault("arista.port", 0)
viper.BindEnv("arista.port", "arista_port")
viper.SetDefault("aci.user", "")
viper.BindEnv("aci.user", "aci_user")
viper.SetDefault("aci.password", "")
viper.BindEnv("aci.password", "aci_password")
viper.SetDefault("deployment.image", "")
viper.BindEnv("deployment.image", "deployment_image")
viper.SetDefault("deployment.conductorZone", "")
viper.BindEnv("deployment.conductorZone", "deployment_conductorZone")
viper.SetDefault("deployment.flavor", "")
viper.BindEnv("deployment.flavor", "deployment_flavor")
viper.SetDefault("deployment.network", "")
viper.BindEnv("deployment.network", "deployment_network")
viper.SetDefault("deployment.openstack.user", "")
viper.BindEnv("deployment.openstack.user", "deployment_openstack_user")
viper.SetDefault("deployment.openstack.password", "")
viper.BindEnv("deployment.openstack.password", "deployment_openstack_password")
viper.SetDefault("deployment.openstack.projectDomainName", "")
viper.BindEnv("deployment.openstack.projectDomainName", "deployment_openstack_projectDomainName")
viper.SetDefault("deployment.openstack.projectName", "")
viper.BindEnv("deployment.openstack.projectName", "deployment_openstack_projectName")
viper.SetDefault("deployment.openstack.domainName", "")
viper.BindEnv("deployment.openstack.domainName", "deployment_openstack_domainName")
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
}
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
log.Info("Using config file:", viper.ConfigFileUsed())
} else {
log.Error(fmt.Sprintf("cannot read config file: %s", err.Error()))
os.Exit(1)
}
viper.AutomaticEnv() // read in environment variables that match
UnmarshalConfig(&cfg)
}
func UnmarshalConfig(cfg *config.Config) {
if err := viper.Unmarshal(&cfg); err != nil {
log.Fatal(err.Error())
}
if *cfg.Redfish.BootImage == "" {
log.Warning("did not find boot image for cable check. run check without it")
}
}