results using sidecar logs

Updating an example pipeline to include different types of a result.

Signed-off-by: Priti Desai <[email protected]>

examples/v1/pipelineruns/alpha/pipelinerun-large-results.yaml

@@ -7,39 +7,149 @@ spec:
     - name: result1
     - name: result2
     - name: result3
+      type: array
+      description: The Array results
     - name: result4
     - name: result5
+      type: object
+      description: The object results
+      properties:
+        url:
+          type: string
+        digest:
+          type: string
   steps:
     - name: step1
       image: alpine
       script: |
-        cat /dev/urandom | head -c 2500 | base64 | tee $(results.result1.path);
-        cat /dev/urandom | head -c 2500 | base64 | tee $(results.result2.path);
-        cat /dev/urandom | head -c 2500 | base64 | tee $(results.result3.path);
-        cat /dev/urandom | head -c 2500 | base64 | tee $(results.result4.path);
-        cat /dev/urandom | head -c 2500 | base64 | tee $(results.result5.path);
+        # produce a result - a random string with 2,500 characters - result1
+        tr -dc A-Za-z0-9 </dev/urandom | head -c 2500 | tee $(results.result1.path);
+        
+        # produce a result - a random string with 2,500 characters - result2
+        tr -dc A-Za-z0-9 </dev/urandom | head -c 2500 | tee $(results.result2.path);
+
+        # produce a result - an array with four elements - result3
+        URL1=`tr -dc A-Za-z0-9 </dev/urandom | head -c 600`
+        URL2=`tr -dc A-Za-z0-9 </dev/urandom | head -c 700`
+        URL3=`tr -dc A-Za-z0-9 </dev/urandom | head -c 800`
+        echo -n "[\"$URL1\", \"\", \"$URL2\", \"$URL3\"]" | tee $(results.result3.path)
+
+        # produce a result - a random string with 2,500 characters - result4
+        tr -dc A-Za-z0-9 </dev/urandom | head -c 2500 | tee $(results.result4.path);
+
+        # produce a result - a hash with two objects - result5
+        URL=`tr -dc A-Za-z0-9 </dev/urandom | head -c 2000`
+        DIGEST=`tr -dc A-Za-z0-9 </dev/urandom | head -c 200`
+        echo -n "{\"url\":\"$URL\",\"digest\":\"$DIGEST\"}" | tee $(results.result5.path)
 ---
+
 apiVersion: tekton.dev/v1
 kind: Task
 metadata:
-  name: print-large-results
+  name: verify-large-results
 spec:
   params:
     - name: param1
     - name: param2
     - name: param3
+      description: The array param
+      type: array
     - name: param4
     - name: param5
+      description: The object param
+      properties:
+        url:
+          type: string
+        digest:
+          type: string
   steps:
     - name: step1
       image: alpine
+      args: [
+        "$(params.param3[*])"
+      ]
       script: |
-        echo "$(params.param1)";
-        echo "$(params.param2)";
-        echo "$(params.param3)";
-        echo "$(params.param4)";
-        echo "$(params.param5)";
+        #!/usr/bin/env sh
+        echo "Validating the length of the param reading larger result - param1"
+        echo "The string param, param1 must be 2500 characters long"
+        p1=$(params.param1)
+        if [ "${#p1}" != 2500 ]; then
+          echo "Error: expected 2500 characters in param1 but has ${#p1} characters"
+          exit 1
+        fi
+        echo "Done validating the length of the param reading larger result - param1"
+
+        echo "Validating the length of the param reading larger result - param2"
+        echo "The string param, param2 must be 2500 characters long"
+        p2=$(params.param2)
+        if [ "${#p2}" != 2500 ]; then
+          echo "Error: expected 2500 characters in param2 but has ${#p2} characters"
+          exit 1
+        fi
+        echo "Done validating the length of the param reading larger result - param2"
+
+        echo "Validating the length of the array parameter - param3"
+        echo "The array parameter, param3 must have 4 elements"
+        if [[ $# != 4 ]]; then
+          echo "Error: expected 4 elements in param3 but has $# characters"
+          exit 1
+        fi
+        echo "Done validating the length of the array parameter - param3"
+
+        echo "Validating the first element"
+        if [ "${#1}" != 600 ]; then
+          echo "Error: expected 600 characters in the first array element but has ${#1} characters"
+          exit 1
+        fi
+        echo "Done validating the first element"
+
+        echo "Validating the second element"
+        if [ "${#2}" != 0 ]; then
+          echo "Error: expected 0 characters in the second array element but has ${#2} characters"
+          exit 1
+        fi
+        echo "Done validating the second element"
+
+        echo "Validating the third element"
+        if [ "${#3}" != 700 ]; then
+          echo "Error: expected 700 characters in the third array element but has ${#3} characters"
+          exit 1
+        fi
+        echo "Done validating the third element"
+
+        echo "Validating the fourth element"
+        if [ "${#4}" != 800 ]; then
+          echo "Error: expected 800 characters in the fourth array element but has ${#4} characters"
+          exit 1
+        fi
+        echo "Done validating the fourth element"
+
+        echo "Validating the length of the param reading larger result - param4"
+        echo "The string param, param4 must be 2500 characters long"
+        p4=$(params.param4)
+        if [ "${#p4}" != 2500 ]; then
+          echo "Error: expected 2500 characters in param4 but has ${#p4} characters"
+          exit 1
+        fi
+        echo "Done validating the length of the param reading larger result - param4"
+
+        echo "validating param5.url"
+        p51=$(params.param5.url)
+        if [ "${#p51}" != 2000 ]; then
+          echo "Error: expected 2000 characters in the url of the hash param \"param5\" but has ${#p51} characters"
+          exit 1
+        fi
+        echo "Done validating param5.url"
+
+        echo "Validating param5.digest"
+        p52=$(params.param5.digest)
+        if [ "${#p52}" != 200 ]; then
+          echo "Error: expected 200 characters in the digest of the hash param \"param5\" but has ${#p52} characters"
+          exit 1
+        fi
+        echo "Done validating param5.digest"
 ---
+
 apiVersion: tekton.dev/v1
 kind: Pipeline
 metadata:
@@ -49,28 +159,28 @@ spec:
     - name: large-task
       taskRef:
         name: large-result-task
-    - name: print-results
+    - name: verify-results
       params:
         - name: param1
           value: "$(tasks.large-task.results.result1)"
         - name: param2
           value: "$(tasks.large-task.results.result2)"
         - name: param3
-          value: "$(tasks.large-task.results.result3)"
+          value: "$(tasks.large-task.results.result3[*])"
         - name: param4
           value: "$(tasks.large-task.results.result4)"
         - name: param5
-          value: "$(tasks.large-task.results.result5)"
+          value: "$(tasks.large-task.results.result5[*])"
       taskRef:
-        name: print-large-results
+        name: verify-large-results
   results:
     - name: large-result
       value: $(tasks.large-task.results.result1)
 ---
 apiVersion: tekton.dev/v1
 kind: PipelineRun
 metadata:
-  name: large-result-pipeline-run
+  generateName: large-result-pipeline-run
 spec:
   pipelineRef:
     name: large-result-pipeline

internal/sidecarlogresults/sidecarlogresults.go

@@ -176,13 +176,12 @@ func extractResultsFromLogs(logs io.Reader, sidecarLogResults []result.RunResult
 
 func parseResults(resultBytes []byte, maxResultLimit int) (result.RunResult, error) {
 	runResult := result.RunResult{}
-	if len(resultBytes) > maxResultLimit {
-		return runResult, ErrSizeExceeded
-	}
-
 	var res SidecarLogResult
 	if err := json.Unmarshal(resultBytes, &res); err != nil {
-		return runResult, fmt.Errorf("Invalid result %w", err)
+		return runResult, fmt.Errorf("invalid result \"%s\": %w", res.Name, err)
+	}
+	if len(resultBytes) > maxResultLimit {
+		return runResult, fmt.Errorf("invalid result \"%s\": %w of %d", res.Name, ErrSizeExceeded, maxResultLimit)
 	}
 	runResult = result.RunResult{
 		Key:        res.Name,

internal/sidecarlogresults/sidecarlogresults_test.go

@@ -248,6 +248,7 @@ func TestParseResults(t *testing.T) {
 }
 
 func TestParseResults_Failure(t *testing.T) {
+	maxResultLimit := 4096
 	result := SidecarLogResult{
 		Name:  "result2",
 		Value: strings.Repeat("k", 4098),
@@ -256,12 +257,12 @@ func TestParseResults_Failure(t *testing.T) {
 	res2, _ := json.Marshal(&result)
 	podLogs := []string{string(res1), string(res2)}
 	want := []string{
-		"Invalid result json: cannot unmarshal string into Go value of type sidecarlogresults.SidecarLogResult",
-		ErrSizeExceeded.Error(),
+		"invalid result \"\": json: cannot unmarshal string into Go value of type sidecarlogresults.SidecarLogResult",
+		fmt.Sprintf("invalid result \"%s\": %s of %d", result.Name, ErrSizeExceeded.Error(), maxResultLimit),
 	}
 	got := []string{}
 	for _, plog := range podLogs {
-		_, err := parseResults([]byte(plog), 4096)
+		_, err := parseResults([]byte(plog), maxResultLimit)
 		got = append(got, err.Error())
 	}
 	if d := cmp.Diff(want, got); d != "" {

pkg/pod/status_test.go

@@ -125,7 +125,7 @@ func TestSetTaskRunStatusBasedOnStepStatus_sidecar_logs(t *testing.T) {
 	}, {
 		desc:          "test result with sidecar logs bad format",
 		maxResultSize: 4096,
-		wantErr:       fmt.Errorf("%s", "Invalid result invalid character 'k' in literal false (expecting 'l')"),
+		wantErr:       fmt.Errorf("%s", "invalid result \"\": invalid character 'k' in literal false (expecting 'l')"),
 	}} {
 		t.Run(c.desc, func(t *testing.T) {
 			tr := v1.TaskRun{

pkg/reconciler/taskrun/taskrun.go

@@ -196,7 +196,7 @@ func (c *Reconciler) ReconcileKind(ctx context.Context, tr *v1.TaskRun) pkgrecon
 		logger.Errorf("Reconcile: %v", err.Error())
 		if errors.Is(err, sidecarlogresults.ErrSizeExceeded) {
 			cfg := config.FromContextOrDefaults(ctx)
-			message := fmt.Sprintf("TaskRun %q failed: results exceeded size limit %d bytes", tr.Name, cfg.FeatureFlags.MaxResultSize)
+			message := fmt.Sprintf("TaskRun \"%q\" failed: results exceeded size limit %d bytes", tr.Name, cfg.FeatureFlags.MaxResultSize)
 			err := c.failTaskRun(ctx, tr, v1.TaskRunReasonResultLargerThanAllowedLimit, message)
 			return c.finishReconcileUpdateEmitEvents(ctx, tr, before, err)
 		}