feat: Extract Wild Central as standalone Go service
Extract the Central networking functionality from wild-cloud/api into a standalone service. Wild Central manages DNS (dnsmasq), gateway (HAProxy), firewall (nftables), VPN (WireGuard), TLS (certbot), security (CrowdSec), and DDNS — all the network appliance concerns. All Cloud-specific code (instances, clusters, nodes, apps, backups, operations, kubectl/talosctl tooling) has been removed. The API struct and route registration contain only Central endpoints. Tests updated to match the new API signature. Builds and all tests pass. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
699
internal/config/config_test.go
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699
internal/config/config_test.go
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@@ -0,0 +1,699 @@
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package config
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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"gopkg.in/yaml.v3"
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)
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// Test: LoadGlobalConfig loads valid configuration
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func TestLoadGlobalConfig(t *testing.T) {
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tests := []struct {
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name string
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configYAML string
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verify func(t *testing.T, config *GlobalConfig)
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wantErr bool
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}{
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{
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name: "loads complete configuration",
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configYAML: `operator:
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email: "admin@example.com"
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cloud:
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router:
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ip: "192.168.1.254"
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dynamicDns: "example.dyndns.org"
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`,
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verify: func(t *testing.T, config *GlobalConfig) {
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if config.Operator.Email != "admin@example.com" {
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t.Error("operator email not loaded correctly")
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}
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if config.Cloud.Router.IP != "192.168.1.254" {
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t.Error("router IP not loaded correctly")
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}
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},
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wantErr: false,
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},
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{
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name: "loads minimal configuration",
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configYAML: `operator:
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email: "admin@example.com"
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`,
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verify: func(t *testing.T, config *GlobalConfig) {
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if config.Operator.Email != "admin@example.com" {
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t.Error("operator email not loaded correctly")
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}
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},
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wantErr: false,
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},
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{
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name: "loads empty configuration",
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configYAML: `{}
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`,
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verify: func(t *testing.T, config *GlobalConfig) {
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if config.Operator.Email != "" {
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t.Error("expected empty operator email")
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}
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},
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "config.yaml")
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if err := os.WriteFile(configPath, []byte(tt.configYAML), 0644); err != nil {
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t.Fatalf("setup failed: %v", err)
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}
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config, err := LoadGlobalConfig(configPath)
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if tt.wantErr {
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if err == nil {
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t.Error("expected error, got nil")
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}
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return
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}
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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return
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}
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if config == nil {
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t.Fatal("config is nil")
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}
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if tt.verify != nil {
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tt.verify(t, config)
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}
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})
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}
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}
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// Test: LoadGlobalConfig error cases
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func TestLoadGlobalConfig_Errors(t *testing.T) {
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tests := []struct {
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name string
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setupFunc func(t *testing.T) string
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errContains string
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}{
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{
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name: "non-existent file",
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setupFunc: func(t *testing.T) string {
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return filepath.Join(t.TempDir(), "nonexistent.yaml")
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},
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errContains: "reading config file",
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},
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{
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name: "invalid yaml",
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setupFunc: func(t *testing.T) string {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "config.yaml")
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content := `invalid: yaml: [[[`
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if err := os.WriteFile(configPath, []byte(content), 0644); err != nil {
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t.Fatalf("setup failed: %v", err)
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}
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return configPath
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},
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errContains: "parsing config file",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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configPath := tt.setupFunc(t)
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_, err := LoadGlobalConfig(configPath)
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if err == nil {
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t.Error("expected error, got nil")
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} else if !strings.Contains(err.Error(), tt.errContains) {
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t.Errorf("error %q does not contain %q", err.Error(), tt.errContains)
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}
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})
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}
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}
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// Test: SaveGlobalConfig saves configuration correctly
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func TestSaveGlobalConfig(t *testing.T) {
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tests := []struct {
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name string
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config *GlobalConfig
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verify func(t *testing.T, configPath string)
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}{
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{
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name: "saves complete configuration",
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config: func() *GlobalConfig {
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cfg := &GlobalConfig{}
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cfg.Operator.Email = "admin@example.com"
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cfg.Cloud.Router.IP = "192.168.1.254"
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cfg.Cloud.Router.DynamicDns = "example.dyndns.org"
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return cfg
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}(),
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verify: func(t *testing.T, configPath string) {
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content, err := os.ReadFile(configPath)
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if err != nil {
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t.Fatalf("failed to read saved config: %v", err)
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}
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contentStr := string(content)
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if !strings.Contains(contentStr, "admin@example.com") {
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t.Error("saved config missing operator email")
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}
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if !strings.Contains(contentStr, "192.168.1.254") {
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t.Error("saved config missing router IP")
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}
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},
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},
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{
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name: "saves empty configuration",
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config: &GlobalConfig{},
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verify: func(t *testing.T, configPath string) {
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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t.Error("config file not created")
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}
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "subdir", "config.yaml")
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err := SaveGlobalConfig(tt.config, configPath)
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if err != nil {
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t.Errorf("SaveGlobalConfig failed: %v", err)
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return
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}
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// Verify file exists
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if _, err := os.Stat(configPath); err != nil {
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t.Errorf("config file not created: %v", err)
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return
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}
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// Verify file permissions
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info, err := os.Stat(configPath)
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if err != nil {
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t.Fatalf("failed to stat config file: %v", err)
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}
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if info.Mode().Perm() != 0644 {
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t.Errorf("expected permissions 0644, got %v", info.Mode().Perm())
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}
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// Verify content can be loaded back
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loadedConfig, err := LoadGlobalConfig(configPath)
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if err != nil {
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t.Errorf("failed to reload saved config: %v", err)
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} else if loadedConfig == nil {
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t.Error("loaded config is nil")
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}
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if tt.verify != nil {
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tt.verify(t, configPath)
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}
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})
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}
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}
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// Test: SaveGlobalConfig creates directory
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func TestSaveGlobalConfig_CreatesDirectory(t *testing.T) {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "nested", "dirs", "config.yaml")
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config := &GlobalConfig{}
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err := SaveGlobalConfig(config, configPath)
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if err != nil {
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t.Fatalf("SaveGlobalConfig failed: %v", err)
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}
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// Verify nested directories were created
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if _, err := os.Stat(filepath.Dir(configPath)); err != nil {
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t.Errorf("directory not created: %v", err)
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}
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// Verify file exists
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if _, err := os.Stat(configPath); err != nil {
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t.Errorf("config file not created: %v", err)
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}
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}
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// Test: GlobalConfig.IsEmpty checks if config is empty
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func TestGlobalConfig_IsEmpty(t *testing.T) {
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tests := []struct {
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name string
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config *GlobalConfig
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want bool
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}{
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{
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name: "nil config is empty",
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config: nil,
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want: true,
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},
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{
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name: "default config is empty",
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config: &GlobalConfig{},
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want: true,
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},
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{
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name: "config with only router IP is not empty",
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config: func() *GlobalConfig {
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cfg := &GlobalConfig{}
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cfg.Cloud.Router.IP = "192.168.1.254"
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return cfg
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}(),
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want: false,
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},
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{
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name: "config with only operator email is not empty",
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config: func() *GlobalConfig {
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cfg := &GlobalConfig{}
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cfg.Operator.Email = "admin@example.com"
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return cfg
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}(),
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want: false,
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},
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{
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name: "config with all fields is not empty",
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config: func() *GlobalConfig {
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cfg := &GlobalConfig{}
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cfg.Cloud.Router.IP = "192.168.1.254"
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cfg.Operator.Email = "admin@example.com"
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return cfg
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}(),
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := tt.config.IsEmpty()
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if got != tt.want {
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t.Errorf("IsEmpty() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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// Test: LoadCloudConfig loads instance configuration
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func TestLoadCloudConfig(t *testing.T) {
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tests := []struct {
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name string
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configYAML string
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verify func(t *testing.T, config *InstanceConfig)
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wantErr bool
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}{
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{
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name: "loads complete instance configuration",
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configYAML: `cloud:
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dhcpRange: "192.168.1.100,192.168.1.200"
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baseDomain: "example.com"
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domain: "home"
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internalDomain: "internal.example.com"
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cluster:
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name: "my-cluster"
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loadBalancerIp: "192.168.1.10"
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nodes:
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talos:
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version: "v1.8.0"
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activeNodes:
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- node1:
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role: "control"
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interface: "eth0"
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disk: "/dev/sda"
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`,
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verify: func(t *testing.T, config *InstanceConfig) {
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if config.Cloud.BaseDomain != "example.com" {
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t.Error("base domain not loaded correctly")
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}
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if config.Cloud.DHCPRange != "192.168.1.100,192.168.1.200" {
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t.Error("DHCP range not loaded correctly")
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}
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if config.Cluster.Name != "my-cluster" {
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t.Error("cluster name not loaded correctly")
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}
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if config.Cluster.Nodes.Talos.Version != "v1.8.0" {
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t.Error("talos version not loaded correctly")
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}
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},
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "config.yaml")
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if err := os.WriteFile(configPath, []byte(tt.configYAML), 0644); err != nil {
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t.Fatalf("setup failed: %v", err)
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}
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config, err := LoadCloudConfig(configPath)
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if tt.wantErr {
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if err == nil {
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t.Error("expected error, got nil")
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}
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return
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}
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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return
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}
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if config == nil {
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t.Fatal("config is nil")
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}
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if tt.verify != nil {
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tt.verify(t, config)
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}
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})
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}
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}
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// Test: LoadCloudConfig error cases
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func TestLoadCloudConfig_Errors(t *testing.T) {
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tests := []struct {
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name string
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setupFunc func(t *testing.T) string
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errContains string
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}{
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{
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name: "non-existent file",
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setupFunc: func(t *testing.T) string {
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return filepath.Join(t.TempDir(), "nonexistent.yaml")
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},
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errContains: "reading config file",
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},
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{
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name: "invalid yaml",
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setupFunc: func(t *testing.T) string {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "config.yaml")
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content := `invalid: yaml: [[[`
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if err := os.WriteFile(configPath, []byte(content), 0644); err != nil {
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t.Fatalf("setup failed: %v", err)
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}
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return configPath
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},
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errContains: "parsing config file",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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configPath := tt.setupFunc(t)
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_, err := LoadCloudConfig(configPath)
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if err == nil {
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t.Error("expected error, got nil")
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} else if !strings.Contains(err.Error(), tt.errContains) {
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t.Errorf("error %q does not contain %q", err.Error(), tt.errContains)
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}
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})
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}
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}
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// Test: SaveCloudConfig saves instance configuration
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func TestSaveCloudConfig(t *testing.T) {
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tests := []struct {
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name string
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config *InstanceConfig
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verify func(t *testing.T, configPath string)
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}{
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{
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name: "saves instance configuration",
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config: func() *InstanceConfig {
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cfg := &InstanceConfig{}
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cfg.Cloud.BaseDomain = "example.com"
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cfg.Cloud.Domain = "home"
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return cfg
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}(),
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verify: func(t *testing.T, configPath string) {
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content, err := os.ReadFile(configPath)
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if err != nil {
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t.Fatalf("failed to read saved config: %v", err)
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}
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contentStr := string(content)
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if !strings.Contains(contentStr, "example.com") {
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t.Error("saved config missing base domain")
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}
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "subdir", "config.yaml")
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err := SaveCloudConfig(tt.config, configPath)
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if err != nil {
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t.Errorf("SaveCloudConfig failed: %v", err)
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return
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}
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// Verify file exists
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if _, err := os.Stat(configPath); err != nil {
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t.Errorf("config file not created: %v", err)
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return
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}
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// Verify content can be loaded back
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loadedConfig, err := LoadCloudConfig(configPath)
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if err != nil {
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t.Errorf("failed to reload saved config: %v", err)
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} else if loadedConfig == nil {
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t.Error("loaded config is nil")
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}
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|
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if tt.verify != nil {
|
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tt.verify(t, configPath)
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}
|
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})
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}
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}
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// Test: Round-trip save and load preserves data
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func TestGlobalConfig_RoundTrip(t *testing.T) {
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tempDir := t.TempDir()
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configPath := filepath.Join(tempDir, "config.yaml")
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|
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// Create config with all fields
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original := &GlobalConfig{}
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original.Operator.Email = "admin@example.com"
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original.Cloud.Router.IP = "192.168.1.254"
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original.Cloud.Router.DynamicDns = "example.dyndns.org"
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|
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// Save config
|
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if err := SaveGlobalConfig(original, configPath); err != nil {
|
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t.Fatalf("SaveGlobalConfig failed: %v", err)
|
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}
|
||||
|
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// Load config
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loaded, err := LoadGlobalConfig(configPath)
|
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if err != nil {
|
||||
t.Fatalf("LoadGlobalConfig failed: %v", err)
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}
|
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// Verify all fields match
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if loaded.Operator.Email != original.Operator.Email {
|
||||
t.Errorf("email mismatch: got %q, want %q", loaded.Operator.Email, original.Operator.Email)
|
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}
|
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if loaded.Cloud.Router.IP != original.Cloud.Router.IP {
|
||||
t.Errorf("router IP mismatch: got %q, want %q", loaded.Cloud.Router.IP, original.Cloud.Router.IP)
|
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}
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if loaded.Cloud.Router.DynamicDns != original.Cloud.Router.DynamicDns {
|
||||
t.Errorf("dynamic DNS mismatch: got %q, want %q", loaded.Cloud.Router.DynamicDns, original.Cloud.Router.DynamicDns)
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}
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||||
}
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|
||||
// Test: Round-trip save and load for instance config
|
||||
func TestInstanceConfig_RoundTrip(t *testing.T) {
|
||||
tempDir := t.TempDir()
|
||||
configPath := filepath.Join(tempDir, "config.yaml")
|
||||
|
||||
// Create instance config
|
||||
original := &InstanceConfig{}
|
||||
original.Cloud.BaseDomain = "example.com"
|
||||
original.Cloud.Domain = "home"
|
||||
original.Cluster.Name = "my-cluster"
|
||||
|
||||
// Save config
|
||||
if err := SaveCloudConfig(original, configPath); err != nil {
|
||||
t.Fatalf("SaveCloudConfig failed: %v", err)
|
||||
}
|
||||
|
||||
// Load config
|
||||
loaded, err := LoadCloudConfig(configPath)
|
||||
if err != nil {
|
||||
t.Fatalf("LoadCloudConfig failed: %v", err)
|
||||
}
|
||||
|
||||
// Verify fields match
|
||||
if loaded.Cloud.BaseDomain != original.Cloud.BaseDomain {
|
||||
t.Errorf("base domain mismatch: got %q, want %q", loaded.Cloud.BaseDomain, original.Cloud.BaseDomain)
|
||||
}
|
||||
if loaded.Cluster.Name != original.Cluster.Name {
|
||||
t.Errorf("cluster name mismatch: got %q, want %q", loaded.Cluster.Name, original.Cluster.Name)
|
||||
}
|
||||
}
|
||||
|
||||
func TestDeepMerge(t *testing.T) {
|
||||
tests := []struct {
|
||||
name string
|
||||
dst map[string]any
|
||||
src map[string]any
|
||||
expected map[string]any
|
||||
}{
|
||||
{
|
||||
name: "src overrides dst flat keys",
|
||||
dst: map[string]any{"a": "1", "b": "2"},
|
||||
src: map[string]any{"b": "3", "c": "4"},
|
||||
expected: map[string]any{"a": "1", "b": "3", "c": "4"},
|
||||
},
|
||||
{
|
||||
name: "nested maps merge recursively",
|
||||
dst: map[string]any{
|
||||
"cloud": map[string]any{
|
||||
"router": map[string]any{"ip": "192.168.1.1"},
|
||||
},
|
||||
},
|
||||
src: map[string]any{
|
||||
"cloud": map[string]any{
|
||||
"domain": "example.com",
|
||||
},
|
||||
},
|
||||
expected: map[string]any{
|
||||
"cloud": map[string]any{
|
||||
"router": map[string]any{"ip": "192.168.1.1"},
|
||||
"domain": "example.com",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "src nested key overrides dst nested key",
|
||||
dst: map[string]any{
|
||||
"cloud": map[string]any{"domain": "old.com"},
|
||||
},
|
||||
src: map[string]any{
|
||||
"cloud": map[string]any{"domain": "new.com"},
|
||||
},
|
||||
expected: map[string]any{
|
||||
"cloud": map[string]any{"domain": "new.com"},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "empty src returns dst",
|
||||
dst: map[string]any{"a": "1"},
|
||||
src: map[string]any{},
|
||||
expected: map[string]any{"a": "1"},
|
||||
},
|
||||
{
|
||||
name: "empty dst returns src",
|
||||
dst: map[string]any{},
|
||||
src: map[string]any{"a": "1"},
|
||||
expected: map[string]any{"a": "1"},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
result := DeepMerge(tt.dst, tt.src)
|
||||
resultYAML, _ := yaml.Marshal(result)
|
||||
expectedYAML, _ := yaml.Marshal(tt.expected)
|
||||
if string(resultYAML) != string(expectedYAML) {
|
||||
t.Errorf("DeepMerge() =\n%s\nwant:\n%s", resultYAML, expectedYAML)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestLoadMergedInstanceConfig(t *testing.T) {
|
||||
dataDir := t.TempDir()
|
||||
instanceName := "test"
|
||||
instanceConfigDir := filepath.Join(dataDir, "instances", instanceName, "config")
|
||||
os.MkdirAll(instanceConfigDir, 0755)
|
||||
|
||||
globalConfig := `operator:
|
||||
email: test@example.com
|
||||
cloud:
|
||||
router:
|
||||
ip: 192.168.1.1
|
||||
`
|
||||
instanceConfig := `cluster:
|
||||
name: test
|
||||
nodes:
|
||||
control:
|
||||
vip: 192.168.1.100
|
||||
cloud:
|
||||
domain: cloud.example.com
|
||||
`
|
||||
|
||||
os.WriteFile(filepath.Join(dataDir, "config.yaml"), []byte(globalConfig), 0644)
|
||||
os.WriteFile(filepath.Join(instanceConfigDir, "instance.yaml"), []byte(instanceConfig), 0644)
|
||||
|
||||
merged, err := LoadMergedInstanceConfig(dataDir, instanceName)
|
||||
if err != nil {
|
||||
t.Fatalf("LoadMergedInstanceConfig() error: %v", err)
|
||||
}
|
||||
|
||||
cloud, ok := merged["cloud"].(map[string]any)
|
||||
if !ok {
|
||||
t.Fatal("missing cloud key in merged config")
|
||||
}
|
||||
|
||||
router, ok := cloud["router"].(map[string]any)
|
||||
if !ok {
|
||||
t.Fatal("missing cloud.router key — global config not merged")
|
||||
}
|
||||
if router["ip"] != "192.168.1.1" {
|
||||
t.Errorf("cloud.router.ip = %v, want 192.168.1.1", router["ip"])
|
||||
}
|
||||
|
||||
if cloud["domain"] != "cloud.example.com" {
|
||||
t.Errorf("cloud.domain = %v, want cloud.example.com", cloud["domain"])
|
||||
}
|
||||
|
||||
cluster, ok := merged["cluster"].(map[string]any)
|
||||
if !ok {
|
||||
t.Fatal("missing cluster key — instance config not merged")
|
||||
}
|
||||
if cluster["name"] != "test" {
|
||||
t.Errorf("cluster.name = %v, want test", cluster["name"])
|
||||
}
|
||||
|
||||
operator, ok := merged["operator"].(map[string]any)
|
||||
if !ok {
|
||||
t.Fatal("missing operator key — global config not merged")
|
||||
}
|
||||
if operator["email"] != "test@example.com" {
|
||||
t.Errorf("operator.email = %v, want test@example.com", operator["email"])
|
||||
}
|
||||
}
|
||||
|
||||
func TestLoadMergedInstanceConfig_NoGlobalConfig(t *testing.T) {
|
||||
dataDir := t.TempDir()
|
||||
instanceConfigDir := filepath.Join(dataDir, "instances", "test", "config")
|
||||
os.MkdirAll(instanceConfigDir, 0755)
|
||||
|
||||
os.WriteFile(filepath.Join(instanceConfigDir, "instance.yaml"), []byte("cluster:\n name: test\n"), 0644)
|
||||
|
||||
merged, err := LoadMergedInstanceConfig(dataDir, "test")
|
||||
if err != nil {
|
||||
t.Fatalf("LoadMergedInstanceConfig() error: %v", err)
|
||||
}
|
||||
|
||||
cluster, ok := merged["cluster"].(map[string]any)
|
||||
if !ok {
|
||||
t.Fatal("missing cluster key")
|
||||
}
|
||||
if cluster["name"] != "test" {
|
||||
t.Errorf("cluster.name = %v, want test", cluster["name"])
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user