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Expand json output to support yaml, make more generic

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This commit is contained in:
Kristoffer Dalby 2021-11-04 22:31:47 +00:00
parent 319237910b
commit cd34a5d6f3
1 changed files with 30 additions and 30 deletions
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60
cmd/headscale/cli/utils.go
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@ -14,19 +14,16 @@ import (
"time" "time"
"github.com/juanfont/headscale" "github.com/juanfont/headscale"
apiV1 "github.com/juanfont/headscale/gen/go/headscale/v1" v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
"github.com/rs/zerolog/log" "github.com/rs/zerolog/log"
"github.com/spf13/viper" "github.com/spf13/viper"
"google.golang.org/grpc" "google.golang.org/grpc"
"gopkg.in/yaml.v2"
"inet.af/netaddr" "inet.af/netaddr"
"tailscale.com/tailcfg" "tailscale.com/tailcfg"
"tailscale.com/types/dnstype" "tailscale.com/types/dnstype"
) )
type ErrorOutput struct {
Error string
}
func LoadConfig(path string) error { func LoadConfig(path string) error {
viper.SetConfigName("config") viper.SetConfigName("config")
if path == "" { if path == "" {
@ -316,7 +313,7 @@ func getHeadscaleApp() (*headscale.Headscale, error) {
return h, nil return h, nil
} }
func getHeadscaleGRPCClient(ctx context.Context) (apiV1.HeadscaleServiceClient, *grpc.ClientConn) { func getHeadscaleGRPCClient(ctx context.Context) (v1.HeadscaleServiceClient, *grpc.ClientConn) {
grpcOptions := []grpc.DialOption{ grpcOptions := []grpc.DialOption{
grpc.WithBlock(), grpc.WithBlock(),
} }
@ -370,46 +367,49 @@ func getHeadscaleGRPCClient(ctx context.Context) (apiV1.HeadscaleServiceClient,
log.Fatal().Err(err).Msgf("Could not connect: %v", err) log.Fatal().Err(err).Msgf("Could not connect: %v", err)
} }
client := apiV1.NewHeadscaleServiceClient(conn) client := v1.NewHeadscaleServiceClient(conn)
return client, conn return client, conn
} }
func JsonOutput(result interface{}, errResult error, outputFormat string) { func SuccessOutput(result interface{}, override string, outputFormat string) {
var j []byte var j []byte
var err error var err error
switch outputFormat { switch outputFormat {
case "json": case "json":
if errResult != nil { j, err = json.MarshalIndent(result, "", "\t")
j, err = json.MarshalIndent(ErrorOutput{errResult.Error()}, "", "\t") if err != nil {
if err != nil { log.Fatal().Err(err)
log.Fatal().Err(err)
}
} else {
j, err = json.MarshalIndent(result, "", "\t")
if err != nil {
log.Fatal().Err(err)
}
} }
case "json-line": case "json-line":
if errResult != nil { j, err = json.Marshal(result)
j, err = json.Marshal(ErrorOutput{errResult.Error()}) if err != nil {
if err != nil { log.Fatal().Err(err)
log.Fatal().Err(err)
}
} else {
j, err = json.Marshal(result)
if err != nil {
log.Fatal().Err(err)
}
} }
case "yaml":
j, err = yaml.Marshal(result)
if err != nil {
log.Fatal().Err(err)
}
default:
fmt.Println(override)
return
} }
fmt.Println(string(j)) fmt.Println(string(j))
} }
func HasJsonOutputFlag() bool { func ErrorOutput(errResult error, override string, outputFormat string) {
type errOutput struct {
Error string `json:"error"`
}
SuccessOutput(errOutput{errResult.Error()}, override, outputFormat)
}
func HasMachineOutputFlag() bool {
for _, arg := range os.Args { for _, arg := range os.Args {
if arg == "json" || arg == "json-line" { if arg == "json" || arg == "json-line" || arg == "yaml" {
return true return true
} }
} }