Dnsmasq management endpoints.

internal/api/v1/handlers_dnsmasq.go

@@ -0,0 +1,99 @@
+package v1
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"github.com/wild-cloud/wild-central/daemon/internal/config"
+)
+
+// DnsmasqStatus returns the status of the dnsmasq service
+func (api *API) DnsmasqStatus(w http.ResponseWriter, r *http.Request) {
+	status, err := api.dnsmasq.GetStatus()
+	if err != nil {
+		respondError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to get dnsmasq status: %v", err))
+		return
+	}
+
+	if status.Status != "active" {
+		w.WriteHeader(http.StatusServiceUnavailable)
+	}
+
+	respondJSON(w, http.StatusOK, status)
+}
+
+// DnsmasqGetConfig returns the current dnsmasq configuration
+func (api *API) DnsmasqGetConfig(w http.ResponseWriter, r *http.Request) {
+	configContent, err := api.dnsmasq.ReadConfig()
+	if err != nil {
+		respondError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to read dnsmasq config: %v", err))
+		return
+	}
+
+	respondJSON(w, http.StatusOK, map[string]interface{}{
+		"config_file": api.dnsmasq.GetConfigPath(),
+		"content":     configContent,
+	})
+}
+
+// DnsmasqRestart restarts the dnsmasq service
+func (api *API) DnsmasqRestart(w http.ResponseWriter, r *http.Request) {
+	if err := api.dnsmasq.RestartService(); err != nil {
+		respondError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to restart dnsmasq: %v", err))
+		return
+	}
+
+	respondJSON(w, http.StatusOK, map[string]string{
+		"message": "dnsmasq service restarted successfully",
+	})
+}
+
+// DnsmasqUpdate regenerates and updates the dnsmasq configuration with all instances
+func (api *API) DnsmasqUpdate(w http.ResponseWriter, r *http.Request) {
+	if err := api.updateDnsmasqForAllInstances(); err != nil {
+		respondError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to update dnsmasq: %v", err))
+		return
+	}
+
+	respondJSON(w, http.StatusOK, map[string]string{
+		"message": "dnsmasq configuration updated successfully",
+	})
+}
+
+// updateDnsmasqForAllInstances helper regenerates dnsmasq config from all instances
+func (api *API) updateDnsmasqForAllInstances() error {
+	// Get all instances
+	instanceNames, err := api.instance.ListInstances()
+	if err != nil {
+		return fmt.Errorf("listing instances: %w", err)
+	}
+
+	// Load global config
+	globalConfigPath := api.getGlobalConfigPath()
+	globalCfg, err := config.LoadGlobalConfig(globalConfigPath)
+	if err != nil {
+		return fmt.Errorf("loading global config: %w", err)
+	}
+
+	// Load all instance configs
+	var instanceConfigs []config.InstanceConfig
+	for _, name := range instanceNames {
+		instanceConfigPath := api.instance.GetInstanceConfigPath(name)
+		instanceCfg, err := config.LoadCloudConfig(instanceConfigPath)
+		if err != nil {
+			log.Printf("Warning: Could not load instance config for %s: %v", name, err)
+			continue
+		}
+		instanceConfigs = append(instanceConfigs, *instanceCfg)
+	}
+
+	// Regenerate and write dnsmasq config
+	return api.dnsmasq.UpdateConfig(globalCfg, instanceConfigs)
+}
+
+// getGlobalConfigPath returns the path to the global config file
+func (api *API) getGlobalConfigPath() string {
+	// This should match the structure from data.Paths
+	return api.dataDir + "/config.yaml"
+}