[feature] Support OTLP HTTP, drop Jaeger (#2184)

* [feature] Add http trace exporter, drop Jaeger

Jaeger supports ingesting traces using the OpenTelemetry gRPC or HTTP
methods. The Jaeger project has deprecated the old jaeger transport.

* Add support for submitting traces over HTTP
* Drop support for the old Jaeger protocol
* Upgrade the trace libraries to v1.17

Fixes: #2176
Fixes: #2179

1 files changed, 33 insertions, 0 deletions

diff --git a/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/utilities/string_array_flag.go b/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/utilities/string_array_flag.go
new file mode 100644
index 000000000..d224ab776
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/utilities/string_array_flag.go
@@ -0,0 +1,33 @@
+package utilities
+
+import (
+	"flag"
+	"strings"
+)
+
+// flagInterface is an cut down interface to `flag`
+type flagInterface interface {
+	Var(value flag.Value, name string, usage string)
+}
+
+// StringArrayFlag defines a flag with the specified name and usage string.
+// The return value is the address of a `StringArrayFlags` variable that stores the repeated values of the flag.
+func StringArrayFlag(f flagInterface, name string, usage string) *StringArrayFlags {
+	value := &StringArrayFlags{}
+	f.Var(value, name, usage)
+	return value
+}
+
+// StringArrayFlags is a wrapper of `[]string` to provider an interface for `flag.Var`
+type StringArrayFlags []string
+
+// String returns a string representation of `StringArrayFlags`
+func (i *StringArrayFlags) String() string {
+	return strings.Join(*i, ",")
+}
+
+// Set appends a value to `StringArrayFlags`
+func (i *StringArrayFlags) Set(value string) error {
+	*i = append(*i, value)
+	return nil
+}