Add retry logic to modules

CHANGELOG.md

@@ -1,3 +1,18 @@
+# Release (Unreleased)
+
+* `github.com/patrickcping/pingone-go-sdk-v2` : v0.6.3
+    * **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+* `github.com/patrickcping/pingone-go-sdk-v2/agreementmanagement` : [v0.1.2](./agreementmanagement/CHANGELOG.md)
+    * **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+* `github.com/patrickcping/pingone-go-sdk-v2/authorize` : [v0.1.5](./authorize/CHANGELOG.md)
+    * **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+* `github.com/patrickcping/pingone-go-sdk-v2/management` : [v0.18.1](./management/CHANGELOG.md)
+    * **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+* `github.com/patrickcping/pingone-go-sdk-v2/mfa` : [v0.9.2](./mfa/CHANGELOG.md)
+    * **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+* `github.com/patrickcping/pingone-go-sdk-v2/risk` : [v0.4.1](./risk/CHANGELOG.md)
+    * **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+
 # Release (2023-04-18)
 
 * `github.com/patrickcping/pingone-go-sdk-v2` : v0.6.2

agreementmanagement/.version

@@ -1 +1 @@
-0.1.1
+0.1.2

agreementmanagement/CHANGELOG.md

@@ -1,3 +1,7 @@
+# v0.1.2 (Unreleased)
+
+* **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+
 # v0.1.1 (2023-03-20)
 
 * **Note** Adjust client request/response debug and fix linting issues. [#133](https://github.com/patrickcping/pingone-go-sdk-v2/pull/133)

agreementmanagement/README.md

@@ -6,7 +6,7 @@ The PingOne Platform API covering the PingOne Agreement Management service
 This API client was generated by the [OpenAPI Generator](https://openapi-generator.tech) project.  By using the [OpenAPI-spec](https://www.openapis.org/) from a remote server, you can easily generate an API client.
 
 - API version: 2022-09-23
-- Package version: 0.1.1
+- Package version: 0.1.2
 - Build package: org.openapitools.codegen.languages.GoClientCodegen
 
 ## Installation

agreementmanagement/client_ext.go

@@ -0,0 +1,119 @@
+package agreementmanagement
+
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+	"time"
+
+	"golang.org/x/exp/slices"
+)
+
+type SDKInterfaceFunc func() (interface{}, *http.Response, error)
+
+var (
+	maxRetries               = 5
+	maximumRetryAfterBackoff = 30
+)
+
+func processResponse(f SDKInterfaceFunc) (interface{}, *http.Response, error) {
+	obj, response, error := exponentialBackOffRetry(f)
+	return obj, response, reformError(error)
+}
+
+func reformError(err error) error {
+	return err
+}
+
+func exponentialBackOffRetry(f SDKInterfaceFunc) (interface{}, *http.Response, error) {
+	var obj interface{}
+	var resp *http.Response
+	var err error
+	backOffTime := time.Second
+	var isRetryable bool
+
+	for i := 0; i < maxRetries; i++ {
+		obj, resp, err = f()
+
+		backOffTime, isRetryable = testForRetryable(resp, err, backOffTime)
+
+		if isRetryable {
+			log.Printf("Attempt %d failed: %v, backing off by %s.", i+1, err, backOffTime.String())
+			time.Sleep(backOffTime)
+			continue
+		}
+
+		return obj, resp, err
+	}
+
+	log.Printf("Request failed after %d attempts", maxRetries)
+
+	return obj, resp, err // output the final error
+}
+
+func testForRetryable(r *http.Response, err error, currentBackoff time.Duration) (time.Duration, bool) {
+
+	backoff := currentBackoff
+
+	if r != nil {
+		if r.StatusCode == 501 || r.StatusCode == 503 || r.StatusCode == 429 {
+			retryAfter, err := parseRetryAfterHeader(r)
+			if err != nil {
+				log.Printf("Cannot parse the expected \"Retry-After\" header: %s", err)
+				backoff = currentBackoff * 2
+			}
+
+			if retryAfter <= time.Duration(maximumRetryAfterBackoff) {
+				backoff += time.Duration(maximumRetryAfterBackoff)
+			} else {
+				backoff += retryAfter
+			}
+		} else {
+			backoff = currentBackoff * 2
+		}
+
+		retryAbleCodes := []int{
+			429,
+			500,
+			501,
+			502,
+			503,
+			504,
+		}
+
+		if slices.Contains(retryAbleCodes, r.StatusCode) {
+			log.Printf("HTTP status code %d detected, available for retry", r.StatusCode)
+			return backoff, true
+		}
+	}
+
+	if err != nil {
+		log.Printf("Error found but not retried: %s", err)
+	}
+
+	return backoff, false
+}
+
+func parseRetryAfterHeader(resp *http.Response) (time.Duration, error) {
+	retryAfterHeader := resp.Header.Get("Retry-After")
+
+	if retryAfterHeader == "" {
+		return 0, fmt.Errorf("Retry-After header not found")
+	}
+
+	retryAfterSeconds, err := strconv.Atoi(retryAfterHeader)
+
+	if err == nil {
+		return time.Duration(retryAfterSeconds) * time.Second, nil
+	}
+
+	retryAfterTime, err := http.ParseTime(retryAfterHeader)
+
+	if err != nil {
+		return 0, fmt.Errorf("Unable to parse Retry-After header value: %v", err)
+	}
+
+	return time.Until(retryAfterTime), nil
+}

agreementmanagement/go.mod

@@ -1,3 +1,5 @@
 module github.com/patrickcping/pingone-go-sdk-v2/agreementmanagement
 
 go 1.18
+
+require golang.org/x/exp v0.0.0-20230321023759-10a507213a29

agreementmanagement/go.sum

@@ -0,0 +1,2 @@
+golang.org/x/exp v0.0.0-20230321023759-10a507213a29 h1:ooxPy7fPvB4kwsA2h+iBNHkAbp/4JxTSwCmvdjEYmug=
+golang.org/x/exp v0.0.0-20230321023759-10a507213a29/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=

authorize/.version

@@ -1 +1 @@
-0.1.4
+0.1.5

authorize/CHANGELOG.md

@@ -1,3 +1,7 @@
+# v0.1.5 (Unreleased)
+
+* **Note** Add retry logic for retryable HTTP status codes. [#147](https://github.com/patrickcping/pingone-go-sdk-v2/pull/147)
+
 # v0.1.4 (2023-03-20)
 
 * **Note** Adjust client request/response debug and fix linting issues. [#133](https://github.com/patrickcping/pingone-go-sdk-v2/pull/133)

authorize/README.md

@@ -6,7 +6,7 @@ The PingOne Platform API covering the PingOne Authorize service
 This API client was generated by the [OpenAPI Generator](https://openapi-generator.tech) project.  By using the [OpenAPI-spec](https://www.openapis.org/) from a remote server, you can easily generate an API client.
 
 - API version: 2022-09-23
-- Package version: 0.1.4
+- Package version: 0.1.5
 - Build package: org.openapitools.codegen.languages.GoClientCodegen
 
 ## Installation