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grpcurl
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Add -format-error option (#155)

This commit is contained in:
Mikhail Katychev 2020-05-15 00:40:13 +00:00 committed by GitHub
parent 50833f1b21
commit 36008aa111
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1 changed files with 23 additions and 3 deletions
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24
cmd/grpcurl/grpcurl.go
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@ -24,11 +24,17 @@ import (
"google.golang.org/grpc/keepalive" "google.golang.org/grpc/keepalive"
"google.golang.org/grpc/metadata" "google.golang.org/grpc/metadata"
reflectpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha" reflectpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
"google.golang.org/grpc/status"
// Register gzip compressor so compressed responses will work: // Register gzip compressor so compressed responses will work:
_ "google.golang.org/grpc/encoding/gzip" _ "google.golang.org/grpc/encoding/gzip"
) )
// To avoid confusion between program error codes and the gRPC resonse
// status codes 'Cancelled' and 'Unknown', 1 and 2 respectively,
// the response status codes emitted use an offest of 64
const statusCodeOffset = 64
var version = "dev build <no version set>" var version = "dev build <no version set>"
var ( var (
@ -95,6 +101,9 @@ var (
connectTimeout = flags.Float64("connect-timeout", 0, prettify(` connectTimeout = flags.Float64("connect-timeout", 0, prettify(`
The maximum time, in seconds, to wait for connection to be established. The maximum time, in seconds, to wait for connection to be established.
Defaults to 10 seconds.`)) Defaults to 10 seconds.`))
formatError = flags.Bool("format-error", false, prettify(`
When a non-zero status is returned, format the response using the
value set by the -format flag .`))
keepaliveTime = flags.Float64("keepalive-time", 0, prettify(` keepaliveTime = flags.Float64("keepalive-time", 0, prettify(`
If present, the maximum idle time in seconds, after which a keepalive If present, the maximum idle time in seconds, after which a keepalive
probe is sent. If the connection remains idle and no keepalive response probe is sent. If the connection remains idle and no keepalive response
@ -270,7 +279,7 @@ func main() {
fail(nil, "The -cert and -key arguments must be used together and both be present.") fail(nil, "The -cert and -key arguments must be used together and both be present.")
} }
if *format != "json" && *format != "text" { if *format != "json" && *format != "text" {
fail(nil, "The -format option must be 'json' or 'text.") fail(nil, "The -format option must be 'json' or 'text'.")
} }
if *emitDefaults && *format != "json" { if *emitDefaults && *format != "json" {
warn("The -emit-defaults is only used when using json format.") warn("The -emit-defaults is only used when using json format.")
@ -411,6 +420,13 @@ func main() {
} }
return cc return cc
} }
printFormattedStatus := func(w io.Writer, stat *status.Status, formatter grpcurl.Formatter) {
formattedStatus, err := formatter(stat.Proto())
if err != nil {
fmt.Fprintf(w, "ERROR: %v", err.Error())
}
fmt.Fprint(w, formattedStatus)
}
if *expandHeaders { if *expandHeaders {
var err error var err error
@ -652,8 +668,12 @@ func main() {
fmt.Printf("Sent %d request%s and received %d response%s\n", reqCount, reqSuffix, h.NumResponses, respSuffix) fmt.Printf("Sent %d request%s and received %d response%s\n", reqCount, reqSuffix, h.NumResponses, respSuffix)
} }
if h.Status.Code() != codes.OK { if h.Status.Code() != codes.OK {
if *formatError {
printFormattedStatus(os.Stderr, h.Status, formatter)
} else {
grpcurl.PrintStatus(os.Stderr, h.Status, formatter) grpcurl.PrintStatus(os.Stderr, h.Status, formatter)
exit(1) }
exit(statusCodeOffset + int(h.Status.Code()))
} }
} }
} }