Add GenerateEnterpriseJITConfig

With version 3.10 of GitHub Enterprise server, the new just-in-time runner
configuration is available for enterprises.

Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>

Author: gabriel-samfira

github/enterprise_actions_runners.go

@@ -29,6 +29,26 @@ func (s *EnterpriseService) ListRunnerApplicationDownloads(ctx context.Context,
 	return rads, resp, nil
 }
 
+// GenerateEnterpriseJITConfig generates a just-in-time configuration for an enterprise.
+//
+// GitHub API docs: https://docs.github.com/en/enterprise-cloud@latest/rest/actions/self-hosted-runners?apiVersion=2022-11-28#create-configuration-for-a-just-in-time-runner-for-an-enterprise
+func (s *EnterpriseService) GenerateEnterpriseJITConfig(ctx context.Context, enterprise string, request *GenerateJITConfigRequest) (*JITRunnerConfig, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/actions/runners/generate-jitconfig", enterprise)
+
+	req, err := s.client.NewRequest("POST", u, request)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	jitConfig := new(JITRunnerConfig)
+	resp, err := s.client.Do(ctx, req, jitConfig)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return jitConfig, resp, nil
+}
+
 // CreateRegistrationToken creates a token that can be used to add a self-hosted runner.
 //
 // GitHub API docs: https://docs.github.com/en/rest/actions/self-hosted-runners#create-a-registration-token-for-an-enterprise

github/enterprise_actions_runners_test.go

@@ -7,6 +7,7 @@ package github
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"testing"
@@ -15,6 +16,50 @@ import (
 	"github.com/google/go-cmp/cmp"
 )
 
+func TestEnterpriseService_GenerateEnterpriseJITConfig(t *testing.T) {
+	client, mux, _, teardown := setup()
+	defer teardown()
+
+	input := &GenerateJITConfigRequest{Name: "test", RunnerGroupID: 1, Labels: []string{"one", "two"}}
+
+	mux.HandleFunc("/enterprises/o/actions/runners/generate-jitconfig", func(w http.ResponseWriter, r *http.Request) {
+		v := new(GenerateJITConfigRequest)
+		json.NewDecoder(r.Body).Decode(v)
+
+		testMethod(t, r, "POST")
+		if !cmp.Equal(v, input) {
+			t.Errorf("Request body = %+v, want %+v", v, input)
+		}
+
+		fmt.Fprint(w, `{"encoded_jit_config":"foo"}`)
+	})
+
+	ctx := context.Background()
+	jitConfig, _, err := client.Enterprise.GenerateEnterpriseJITConfig(ctx, "o", input)
+	if err != nil {
+		t.Errorf("Enterprise.GenerateEnterpriseJITConfig returned error: %v", err)
+	}
+
+	want := &JITRunnerConfig{EncodedJITConfig: String("foo")}
+	if !cmp.Equal(jitConfig, want) {
+		t.Errorf("Enterprise.GenerateEnterpriseJITConfig returned %+v, want %+v", jitConfig, want)
+	}
+
+	const methodName = "GenerateEnterpriseJITConfig"
+	testBadOptions(t, methodName, func() (err error) {
+		_, _, err = client.Enterprise.GenerateEnterpriseJITConfig(ctx, "\n", input)
+		return err
+	})
+
+	testNewRequestAndDoFailure(t, methodName, client, func() (*Response, error) {
+		got, resp, err := client.Enterprise.GenerateEnterpriseJITConfig(ctx, "o", input)
+		if got != nil {
+			t.Errorf("testNewRequestAndDoFailure %v = %#v, want nil", methodName, got)
+		}
+		return resp, err
+	})
+}
+
 func TestEnterpriseService_CreateRegistrationToken(t *testing.T) {
 	client, mux, _, teardown := setup()
 	defer teardown()