From f02566c7128a67b39fc4a273d3b30c647016abc3 Mon Sep 17 00:00:00 2001
From: divolgin <dmitriy@replicated.com>
Date: Fri, 17 Jun 2022 09:36:30 -0700
Subject: [PATCH] Use reflection instead of hardcoding all alnalyzers

---
 pkg/analyze/analyzer.go                       | 23 ++++++
 pkg/analyze/analyzer_test.go                  | 67 ++++++++++++++++
 .../troubleshoot/v1beta2/analyzer_shared.go   | 76 -------------------
 3 files changed, 90 insertions(+), 76 deletions(-)
 create mode 100644 pkg/analyze/analyzer_test.go

diff --git a/pkg/analyze/analyzer.go b/pkg/analyze/analyzer.go
index c1fe6bf15..b0bcf1144 100644
--- a/pkg/analyze/analyzer.go
+++ b/pkg/analyze/analyzer.go
@@ -2,6 +2,7 @@ package analyzer
 
 import (
 	"fmt"
+	"reflect"
 	"strconv"
 
 	"github.com/pkg/errors"
@@ -502,3 +503,25 @@ func Analyze(analyzer *troubleshootv1beta2.Analyze, getFile getCollectedFileCont
 
 	return nil, errors.New("invalid analyzer")
 }
+
+func GetExcludeFlag(analyzer *troubleshootv1beta2.Analyze) *multitype.BoolOrString {
+	if analyzer == nil {
+		return nil
+	}
+
+	reflected := reflect.ValueOf(analyzer).Elem()
+	for i := 0; i < reflected.NumField(); i++ {
+		if reflected.Field(i).IsNil() {
+			continue
+		}
+
+		field := reflect.Indirect(reflected.Field(i)).FieldByName("Exclude")
+		exclude, ok := field.Interface().(*multitype.BoolOrString)
+		if !ok {
+			continue
+		}
+		return exclude
+	}
+
+	return nil
+}
diff --git a/pkg/analyze/analyzer_test.go b/pkg/analyze/analyzer_test.go
new file mode 100644
index 000000000..13e7c47c3
--- /dev/null
+++ b/pkg/analyze/analyzer_test.go
@@ -0,0 +1,67 @@
+package analyzer
+
+import (
+	"testing"
+
+	troubleshootv1beta2 "github.com/replicatedhq/troubleshoot/pkg/apis/troubleshoot/v1beta2"
+	"github.com/replicatedhq/troubleshoot/pkg/multitype"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_GetExcludeFlag(t *testing.T) {
+	tests := []struct {
+		name     string
+		analyzer *troubleshootv1beta2.Analyze
+		want     bool
+	}{
+		{
+			name:     "nil case",
+			analyzer: nil,
+			want:     false,
+		},
+		{
+			name: "true is set",
+			analyzer: &troubleshootv1beta2.Analyze{
+				TextAnalyze: &troubleshootv1beta2.TextAnalyze{
+					AnalyzeMeta: troubleshootv1beta2.AnalyzeMeta{
+						Exclude: multitype.FromBool(true),
+					},
+				},
+			},
+			want: true,
+		},
+		{
+			name: "false is set",
+			analyzer: &troubleshootv1beta2.Analyze{
+				ClusterVersion: &troubleshootv1beta2.ClusterVersion{
+					AnalyzeMeta: troubleshootv1beta2.AnalyzeMeta{
+						Exclude: multitype.FromBool(false),
+					},
+				},
+			},
+			want: false,
+		},
+		{
+			name: "nothing is set",
+			analyzer: &troubleshootv1beta2.Analyze{
+				Postgres: &troubleshootv1beta2.DatabaseAnalyze{
+					AnalyzeMeta: troubleshootv1beta2.AnalyzeMeta{},
+				},
+			},
+			want: false,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			req := require.New(t)
+
+			gotWrapped := GetExcludeFlag(test.analyzer)
+			got, err := gotWrapped.Bool()
+			req.NoError(err)
+
+			assert.Equal(t, test.want, got)
+		})
+	}
+}
diff --git a/pkg/apis/troubleshoot/v1beta2/analyzer_shared.go b/pkg/apis/troubleshoot/v1beta2/analyzer_shared.go
index 9e370ba25..79dece57e 100644
--- a/pkg/apis/troubleshoot/v1beta2/analyzer_shared.go
+++ b/pkg/apis/troubleshoot/v1beta2/analyzer_shared.go
@@ -227,79 +227,3 @@ type Analyze struct {
 	WeaveReport              *WeaveReportAnalyze       `json:"weaveReport,omitempty" yaml:"weaveReport,omitempty"`
 	Sysctl                   *SysctlAnalyze            `json:"sysctl,omitempty" yaml:"sysctl,omitempty"`
 }
-
-func (a *Analyze) GetExclude() *multitype.BoolOrString {
-	if a.ClusterVersion != nil {
-		return a.ClusterVersion.Exclude
-	}
-	if a.StorageClass != nil {
-		return a.StorageClass.Exclude
-	}
-	if a.CustomResourceDefinition != nil {
-		return a.CustomResourceDefinition.Exclude
-	}
-	if a.Ingress != nil {
-		return a.Ingress.Exclude
-	}
-	if a.Secret != nil {
-		return a.Secret.Exclude
-	}
-	if a.ConfigMap != nil {
-		return a.ConfigMap.Exclude
-	}
-	if a.ImagePullSecret != nil {
-		return a.ImagePullSecret.Exclude
-	}
-	if a.DeploymentStatus != nil {
-		return a.DeploymentStatus.Exclude
-	}
-	if a.StatefulsetStatus != nil {
-		return a.StatefulsetStatus.Exclude
-	}
-	if a.JobStatus != nil {
-		return a.JobStatus.Exclude
-	}
-	if a.ReplicaSetStatus != nil {
-		return a.ReplicaSetStatus.Exclude
-	}
-	if a.ClusterPodStatuses != nil {
-		return a.ClusterPodStatuses.Exclude
-	}
-	if a.ContainerRuntime != nil {
-		return a.ContainerRuntime.Exclude
-	}
-	if a.Distribution != nil {
-		return a.Distribution.Exclude
-	}
-	if a.NodeResources != nil {
-		return a.NodeResources.Exclude
-	}
-	if a.TextAnalyze != nil {
-		return a.TextAnalyze.Exclude
-	}
-	if a.Postgres != nil {
-		return a.Postgres.Exclude
-	}
-	if a.Mysql != nil {
-		return a.Mysql.Exclude
-	}
-	if a.Redis != nil {
-		return a.Redis.Exclude
-	}
-	if a.CephStatus != nil {
-		return a.CephStatus.Exclude
-	}
-	if a.Longhorn != nil {
-		return a.Longhorn.Exclude
-	}
-	if a.RegistryImages != nil {
-		return a.RegistryImages.Exclude
-	}
-	if a.WeaveReport != nil {
-		return a.WeaveReport.Exclude
-	}
-	if a.Sysctl != nil {
-		return a.Sysctl.Exclude
-	}
-	return nil
-}