pkg/utils/opts/armopts.go

/*
Portions Copyright (c) Microsoft Corporation.

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 opts

import (
	"net/http"
	"os"
	"time"

	"log/slog"

	shPolicy "github.com/Azure/aks-middleware/http/client/azuresdk/policy"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/arm"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
	"github.com/Azure/karpenter-provider-azure/pkg/auth"
)

func DefaultArmOpts() *arm.ClientOptions {
	opts := &arm.ClientOptions{}
	opts.Telemetry = DefaultTelemetryOpts()
	opts.Retry = DefaultRetryOpts()
	opts.Transport = defaultHTTPClient

	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
	opts.PerCallPolicies = append(opts.PerCallPolicies, shPolicy.NewLoggingPolicy(*logger))
	return opts
}

func DefaultNICClientOpts() *arm.ClientOptions {
	opts := DefaultArmOpts()
	return opts
}

func DefaultRetryOpts() policy.RetryOptions {
	return policy.RetryOptions{
		MaxRetries: 20,
		// Note the default retry behavior is exponential backoff
		RetryDelay: time.Second * 5,
		// TODO: bsoghigian: Investigate if we want to leverage some of the status codes other than the defaults.
		// the defaults are // StatusCodes specifies the HTTP status codes that indicate the operation should be retried.
		// A nil slice will use the following values.
		//   http.StatusRequestTimeout      408
		//   http.StatusTooManyRequests     429
		//   http.StatusInternalServerError 500
		//   http.StatusBadGateway          502
		//   http.StatusServiceUnavailable  503
		//   http.StatusGatewayTimeout      504
		// Specifying values will replace the default values.
		// Specifying an empty slice will disable retries for HTTP status codes.
		// StatusCodes: nil,
	}
}

func DefaultHTTPClient() *http.Client {
	return defaultHTTPClient
}

func DefaultTelemetryOpts() policy.TelemetryOptions {
	return policy.TelemetryOptions{
		ApplicationID: auth.GetUserAgentExtension(),
	}
}