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GoDoc Go Report Card License

go-pagerduty

go-pagerduty is a CLI and go client library for the PagerDuty API.

Installation

To add the latest stable version to your project:

go get github.com/PagerDuty/[email protected]

If you instead wish to work with the latest code from main:

go get github.com/PagerDuty/go-pagerduty@latest

Usage

CLI

The CLI requires an authentication token, which can be specified in .pd.yml file in the home directory of the user, or passed as a command-line argument. Example of config file:

---
authtoken: fooBar

Commands

pd command provides a single entrypoint for all the API endpoints, with individual API represented by their own sub commands. For an exhaustive list of sub-commands, try:

pd --help

An example of the service sub-command

pd service list

Client Library

NOTICE: Breaking API Changes in v1.5.0

As part of the v1.5.0 release, we have fixed features that have never worked correctly and require a breaking API change to fix. One example is the issue reported in #232, as well as a handful of other examples within the v1.5.0 milestone.

If you are impacted by a breaking change in this release, you should audit the functionality you depended on as it may not have been working. If you cannot upgrade for some reason, the v1.4.x line of releases should still work. At the time of writing v1.4.3 was the latest, and we intend to backport any critical fixes for the time being.

Example Usage with API Token Authentication

package main

import (
	"context"
	"fmt"

	"github.com/PagerDuty/go-pagerduty"
)

var authtoken = "" // Set your auth token here

func main() {
	ctx := context.Background()
	client := pagerduty.NewClient(authtoken)

	var opts pagerduty.ListEscalationPoliciesOptions
	eps, err := client.ListEscalationPoliciesWithContext(ctx, opts)
	if err != nil {
		panic(err)
	}
	for _, p := range eps.EscalationPolicies {
		fmt.Println(p.Name)
	}
}

The PagerDuty API client also exposes its HTTP client as the HTTPClient field. If you need to use your own HTTP client, for doing things like defining your own transport settings, you can replace the default HTTP client with your own by simply by setting a new value in the HTTPClient field.

package main

import (
	"context"
	"fmt"
	"strings"

	"github.com/PagerDuty/go-pagerduty"
)

func main() {
	ctx := context.Background()
	var opts pagerduty.ListEscalationPoliciesOptions
	clientId := "client_id_goes_here"
	clientSecret := "secret_goes_here"
	scopes := strings.Split("as_account-us.companysubdomain escalation_policies.read", " ")
	scopedOAuthOpts := pagerduty.WithScopedOAuthAppTokenSource(
		pagerduty.NewFileTokenSource(ctx, clientId, clientSecret, scopes, "token.json"),
	)

	client := pagerduty.NewClient("", scopedOAuthOpts)
	eps, err := client.ListEscalationPoliciesWithContext(ctx, opts)
	if err != nil {
		panic(err)
	}
	for _, p := range eps.EscalationPolicies {
		fmt.Println(p.Name)
	}
}

API Error Responses

For cases where your request results in an error from the API, you can use the errors.As() function from the standard library to extract the pagerduty.APIError error value and inspect more details about the error, including the HTTP response code and PagerDuty API Error Code.

package main

import (
	"fmt"
	"github.com/PagerDuty/go-pagerduty"
)

var	authtoken = "" // Set your auth token here

func main() {
	ctx := context.Background()
	client := pagerduty.NewClient(authtoken)
	user, err := client.GetUserWithContext(ctx, "NOTREAL", pagerduty.GetUserOptions{})
	if err != nil {
		var aerr pagerduty.APIError

		if errors.As(err, &aerr) {
			if aerr.RateLimited() {
				fmt.Println("rate limited")
				return
			}

			fmt.Println("unknown status code:", aerr.StatusCode)

			return
		}

		panic(err)
	}
	fmt.Println(user)
}

Extending and Debugging Client

Extending The Client

The *pagerduty.Client has a Do method which allows consumers to wrap the client, and make their own requests to the PagerDuty API. The method signature is similar to that of the http.Client.Do method, except it also includes a bool to incidate whether the API endpoint is authenticated (i.e., the REST API). When the API is authenticated, the client will annotate the request with the appropriate headers to be authenticated by the API.

If the PagerDuty client doesn't natively expose functionality that you wish to use, such as undocumented JSON fields, you can use the Do() method to issue your own request that you can parse the response of.

Likewise, you can use it to issue requests to the API for the purposes of debugging. However, that's not the only mechanism for debugging.

Debugging the Client

The *pagerduty.Client has a method that allows consumers to enable debug functionality, including interception of PagerDuty API responses. This is done by using the SetDebugFlag() method using the pagerduty.DebugFlag unsigned integer type. There are also exported constants to help consumers enable specific debug behaviors.

Capturing Last PagerDuty Response

If you're not getting the response you expect from the PagerDuty Go client, you can enable the DebugCaptureLastResponse debug flag to capture the HTTP responses. You can then use one of the methods to make an API call, and then inspect the API response received. For example:

client := pagerduty.NewClient("example")

client.SetDebugFlag(pagerduty.DebugCaptureLastResponse)

oncalls, err := client.ListOnCallsWithContext(ctx, pagerduty.ListOnCallOptions{})

resp, ok := client.LastAPIResponse()
if ok { // resp is an *http.Response we can inspect
	body, err := httputil.DumpResponse(resp, true)
    // ...
}

Included Packages

webhookv3

Support for V3 of PagerDuty Webhooks is provided via the webhookv3 package. The intent is for this package to provide signature verification and decoding helpers.

Contributing

  1. Fork it ( https://github.com/PagerDuty/go-pagerduty/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

License

Apache 2

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