Add global bin tests along with testdata

cmd/dkl-dir2config/main_test.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"testing"
+)
+
+var (
+	testDir    = "testdata"
+	goldenFile = "config.yaml.golden"
+	outFile    = "config.yaml"
+
+	binName = "dkl-dir2config"
+)
+
+/*
+Build and run the code with default parameters and testdata
+*/
+func TestMain(m *testing.M) {
+	fmt.Println("Building...")
+	if runtime.GOOS == "windows" {
+		binName += ".exe"
+	}
+
+	build := exec.Command("go", "build", "-o", filepath.Join(testDir, binName))
+	if err := build.Run(); err != nil {
+		fmt.Fprintf(os.Stderr, "Cannot build : %v", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Running Tests...")
+	result := m.Run()
+
+	fmt.Println("Cleaning Up ... ")
+	os.Remove(binName)
+	os.Exit(result)
+}
+
+func TestRunMain(t *testing.T) {
+	err := os.Chdir(testDir)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Run("RunWithNoArgument", func(t *testing.T) {
+		cmd := exec.Command("./" + binName)
+
+		if err := cmd.Run(); err != nil {
+			t.Fatal(err)
+		}
+	})
+	t.Run("CompareOutputs", func(t *testing.T) {
+		cmd := exec.Command("./"+binName, "-out", outFile)
+
+		if err := cmd.Run(); err != nil {
+			t.Fatal(err)
+		}
+
+		output, err := os.ReadFile(outFile)
+		if err != nil {
+			t.Fatal(err)
+		}
+		expected, err := os.ReadFile(goldenFile)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if ret := bytes.Compare(output, expected); ret != 0 {
+			t.Fatalf("Output (%v) of length %d is different than expected (%v) of length %d", outFile, len(output), goldenFile, len(expected))
+		}
+	})
+}

cmd/dkl-dir2config/testdata/cert-requests.yaml

@@ -0,0 +1,39 @@
+- name: etcd-server
+  ca: etcd
+  profile: server
+  per_host: true
+  template: |
+    {"CN":"{{.host.name}}","hosts":["127.0.0.1","{{.host.ip}}"],"key":{"algo":"ecdsa","size":256}}
+- name: etcd-peer
+  ca: etcd
+  profile: peer
+  per_host: true
+  template: |
+    {"CN":"{{.host.name}}","hosts":["127.0.0.1","{{.host.ip}}"],"key":{"algo":"ecdsa","size":256}}
+- name: etcd-client
+  ca: etcd
+  profile: client
+  template: |
+    {"CN":"client","hosts":["*"],"key":{"algo":"ecdsa","size":256}}
+
+- name: apiserver
+  ca: cluster
+  profile: server
+  per_host: true
+  template: |
+    {"CN":"{{.host.name}}","hosts":[
+        "kubernetes", "kubernetes.default", "kubernetes.default.svc.{{.cluster.domain}}","{{.host.name}}",
+        "127.0.0.1","{{.cluster.kubernetes_svc_ip}}","{{.vars.public_vip}}",
+        {{- if .vars.apiserver_vip }}"{{.vars.apiserver_vip}}",{{ end }}
+        "{{.host.ip}}"
+    ],"key":{"algo":"ecdsa","size":521}}
+- name: cluster-client
+  ca: cluster
+  profile: client
+  template: |
+    {"CN":"client","hosts":["*"],"key":{"algo":"ecdsa","size":256}}
+- name: kubelet-client
+  ca: cluster
+  profile: client
+  template: |
+    {"CN":"kubelet-client","names":[{"O":"system:masters"}],"hosts":["*"],"key":{"algo":"ecdsa","size":256}}

cmd/dkl-dir2config/testdata/clusters/test.yaml

@@ -0,0 +1 @@
+from: v1.19:test

cmd/dkl-dir2config/testdata/defaults

@@ -0,0 +1 @@
+Subproject commit be8c8592fbc39267755978860a095cbf297e924d

cmd/dkl-dir2config/testdata/groups/test-master.yaml

@@ -0,0 +1 @@
+from: v1.19:master

cmd/dkl-dir2config/testdata/hosts/test1.yaml

@@ -0,0 +1,3 @@
+ip: 172.16.0.1
+cluster: test
+group: test-master

cmd/dkl-dir2config/testdata/hosts/test2.yaml

@@ -0,0 +1,3 @@
+ip: 172.16.0.2
+cluster: test
+group: test-master

cmd/dkl-dir2config/testdata/hosts/test3.yaml

@@ -0,0 +1,3 @@
+ip: 172.16.0.3
+cluster: test
+group: test-master

cmd/dkl-dir2config/testdata/ssl-config.json

@@ -0,0 +1,34 @@
+{
+    "signing": {
+        "default": {
+            "expiry": "43800h"
+        },
+        "profiles": {
+            "server": {
+                "expiry": "43800h",
+                "usages": [
+                    "signing",
+                    "key encipherment",
+                    "server auth"
+                ]
+            },
+            "client": {
+                "expiry": "43800h",
+                "usages": [
+                    "signing",
+                    "key encipherment",
+                    "client auth"
+                ]
+            },
+            "peer": {
+                "expiry": "43800h",
+                "usages": [
+                    "signing",
+                    "key encipherment",
+                    "server auth",
+                    "client auth"
+                ]
+            }
+        }
+    }
+}