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common.go
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common.go
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// Copyright 2017 the Istio Authors.
//
// Licensed 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 helper
import (
"fmt"
gapiopts "google.golang.org/api/option"
"istio.io/istio/mixer/adapter/stackdriver/config"
)
// ToOpts converts the Stackdriver config params to options for configuring Stackdriver clients.
func ToOpts(cfg *config.Params) (opts []gapiopts.ClientOption) {
switch cfg.Creds.(type) {
case *config.Params_ApiKey:
opts = append(opts, gapiopts.WithAPIKey(cfg.GetApiKey()))
case *config.Params_ServiceAccountPath:
opts = append(opts, gapiopts.WithServiceAccountFile(cfg.GetServiceAccountPath()))
case *config.Params_AppCredentials:
// When using default app credentials the SDK handles everything for us.
}
if cfg.Endpoint != "" {
opts = append(opts, gapiopts.WithEndpoint(cfg.Endpoint))
}
return
}
// ToStringMap converts a map[string]interface{} to a map[string]string using fmt.Sprintf(%v)
func ToStringMap(in map[string]interface{}) map[string]string {
out := make(map[string]string, len(in))
for key, val := range in {
out[key] = fmt.Sprintf("%v", val)
}
return out
}