handle an empty plan summary in the case of digger apply (#1140)

* handle an empty plan summary

cli/pkg/digger/digger.go

@@ -135,7 +135,12 @@ func RunJobs(
 		currentJob := jobs[0]
 		repoNameForBackendReporting := strings.ReplaceAll(currentJob.Namespace, "/", "-")
 		projectNameForBackendReporting := currentJob.ProjectName
-		planSummary := exectorResults[0].PlanResult.PlanSummary
+		// TODO: handle the apply result summary as well to report it to backend. Possibly reporting changed resources as well
+		// Some kind of generic terraform operation summary might need to be introduced
+		planSummary := terraform.PlanSummary{}
+		if exectorResults[0].PlanResult != nil {
+			planSummary = exectorResults[0].PlanResult.PlanSummary
+		}
 		prNumber := *currentJob.PullRequestNumber
 		batchResult, err := backendApi.ReportProjectJobStatus(repoNameForBackendReporting, projectNameForBackendReporting, batchId, "succeeded", time.Now(), &planSummary)
 		if err != nil {
@@ -158,15 +163,15 @@ func UpdateStatusComment(jobs []scheduler.SerializedJob, prNumber int, prService
 
 	message := ":construction_worker: Jobs status:\n\n"
 	for _, job := range jobs {
-
 		var jobSpec orchestrator.JobJson
 		err := json.Unmarshal(job.JobString, &jobSpec)
 		if err != nil {
 			log.Printf("Failed to convert unmarshall Serialized job")
 		}
+		isPlan := jobSpec.IsPlan()
 
 		message = message + fmt.Sprintf("<!-- PROJECTHOLDER %v -->\n", job.ProjectName)
-		message = message + fmt.Sprintf("%v **%v** <a href='%v'>%v</a>%v\n", job.Status.ToEmoji(), jobSpec.ProjectName, *job.WorkflowRunUrl, job.Status.ToString(), job.ResourcesSummaryString())
+		message = message + fmt.Sprintf("%v **%v** <a href='%v'>%v</a>%v\n", job.Status.ToEmoji(), jobSpec.ProjectName, *job.WorkflowRunUrl, job.Status.ToString(), job.ResourcesSummaryString(isPlan))
 		message = message + fmt.Sprintf("<!-- PROJECTHOLDEREND %v -->\n", job.ProjectName)
 	}
 

libs/orchestrator/aws.go

@@ -42,7 +42,7 @@ func populateKeys(envs map[string]string, provider stscreds.WebIdentityRoleProvi
 func (job *Job) PopulateAwsCredentialsEnvVarsForJob() error {
 
 	if job.StateEnvProvider != nil {
-		log.Printf("Project-level AWS role detected, Assuming role: %v for project run: %v", job.ProjectName)
+		log.Printf("Project-level AWS role detected, Assuming role for project: %v", job.ProjectName)
 		var err error
 		backendConfigArgs, err := populateretrieveBackendConfigArgs(*job.StateEnvProvider)
 		if err != nil {

libs/orchestrator/json_models.go

@@ -1,5 +1,7 @@
 package orchestrator
 
+import "slices"
+
 type StepJson struct {
 	Action    string   `json:"action"`
 	ExtraArgs []string `json:"extraArgs"`
@@ -25,6 +27,14 @@ type JobJson struct {
 	CommandEnvVars    map[string]string `json:"commandEnvVars"`
 }
 
+func (j *JobJson) IsPlan() bool {
+	return slices.Contains(j.Commands, "digger plan")
+}
+
+func (j *JobJson) IsApply() bool {
+	return slices.Contains(j.Commands, "digger apply")
+}
+
 func JobToJson(job Job) JobJson {
 	return JobJson{
 		ProjectName:       job.ProjectName,

libs/orchestrator/json_models_test.go

@@ -0,0 +1,32 @@
+package orchestrator
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestIsPlanForDiggerPlanJobCorrect(t *testing.T) {
+	j := JobJson{
+		ProjectName:      "project.Name",
+		ProjectDir:       "project.Dir",
+		ProjectWorkspace: "workspace",
+		Terragrunt:       false,
+		Commands:         []string{"run echo 'hello", "digger plan"},
+		EventName:        "issue_comment",
+	}
+	assert.True(t, j.IsPlan())
+	assert.False(t, j.IsApply())
+}
+
+func TestIsApplyForDiggerApplyJobCorrect(t *testing.T) {
+	j := JobJson{
+		ProjectName:      "project.Name",
+		ProjectDir:       "project.Dir",
+		ProjectWorkspace: "workspace",
+		Terragrunt:       false,
+		Commands:         []string{"digger apply"},
+		EventName:        "issue_comment",
+	}
+	assert.True(t, j.IsApply())
+	assert.False(t, j.IsPlan())
+}

libs/orchestrator/scheduler/models.go

@@ -86,7 +86,11 @@ type SerializedBatch struct {
 	Jobs         []SerializedJob   `json:"jobs"`
 }
 
-func (s *SerializedJob) ResourcesSummaryString() string {
+func (s *SerializedJob) ResourcesSummaryString(isPlan bool) string {
+	if !isPlan {
+		return ""
+	}
+
 	if s.Status == DiggerJobSucceeded {
 		return fmt.Sprintf(" [Resources: %v to create, %v to update, %v to delete]", s.ResourcesCreated, s.ResourcesUpdated, s.ResourcesDeleted)
 	} else {