dev: design system interface config

plugin/http_server/dto/etcnet_config.go

@@ -0,0 +1,11 @@
+package service
+
+type EtcNetworkConfig struct {
+	Name        string   `json:"name,omitempty"`
+	Interface   string   `json:"interface,omitempty"`
+	Address     string   `json:"address,omitempty"`
+	Netmask     string   `json:"netmask,omitempty"`
+	Gateway     string   `json:"gateway,omitempty"`
+	DNS         []string `json:"dns,omitempty"`
+	DHCPEnabled bool     `json:"dhcp_enabled,omitempty"`
+}

plugin/http_server/dto/netplan_config.go

@@ -0,0 +1,16 @@
+package service
+
+type hwInterface struct {
+	Dhcp4       bool     `yaml:"dhcp4" json:"dhcp4,omitempty"`
+	Addresses   []string `yaml:"addresses" json:"addresses,omitempty"`
+	Gateway4    string   `yaml:"gateway4" json:"gateway4,omitempty"`
+	Nameservers []string `yaml:"nameservers" json:"nameservers,omitempty"`
+}
+type network struct {
+	Version   int                    `yaml:"version" json:"version,omitempty"`
+	Renderer  string                 `yaml:"renderer" json:"renderer,omitempty"`
+	Ethernets map[string]hwInterface `yaml:"ethernets" json:"ethernets,omitempty"`
+}
+type NetplanConfigDto struct {
+	Network network `yaml:"network" json:"network,omitempty"`
+}

plugin/http_server/http_api_server.go

@@ -65,6 +65,7 @@ func (s *HttpApiServer) registerModel() {
 		&model.MGenericGroup{},
 		&model.MGenericGroupRelation{},
 		&model.MProtocolApp{},
+		&model.MNetworkConfig{},
 	)
 }
 

plugin/http_server/model/model.go

@@ -230,3 +230,12 @@ type MProtocolApp struct {
 	Type    string `gorm:"not null"` // 类型: IN OUT DEVICE APP
 	Content string `gorm:"not null"` // 协议包的内容
 }
+
+/*
+*
+* 系统配置参数, 直接以String保存，完了以后再加工成Dto结构体
+*
+ */
+type MNetworkConfig struct {
+	Network string `yaml:"network" json:"network,omitempty"`
+}

plugin/http_server/service/ubuntu16_network_service.go

@@ -0,0 +1,75 @@
+package service
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+)
+
+// # /etc/network/interfaces
+//-------------------------------------------
+// Static
+//-------------------------------------------
+// auto lo
+// iface lo inet loopback
+// auto eth0
+// iface eth0 inet static
+//     address 192.168.1.100
+//     netmask 255.255.255.0
+//     gateway 192.168.1.1
+//     dns-nameservers 8.8.8.8 8.8.4.4
+
+//-------------------------------------------
+// DHCP
+//-------------------------------------------
+// auto lo
+// iface lo inet loopback
+// auto eth0
+// iface eth0 inet dhcp
+
+type EtcNetworkConfig struct {
+	Name        string   `json:"name,omitempty"`
+	Interface   string   `json:"interface,omitempty"`
+	Address     string   `json:"address,omitempty"`
+	Netmask     string   `json:"netmask,omitempty"`
+	Gateway     string   `json:"gateway,omitempty"`
+	DNS         []string `json:"dns,omitempty"`
+	DHCPEnabled bool     `json:"dhcp_enabled,omitempty"`
+}
+
+func (nc *EtcNetworkConfig) JsonString() string {
+	b, _ := json.Marshal(nc)
+	return string(b)
+}
+
+/*
+*
+* 将结构体写入配置文件
+sudo systemctl restart networking
+sudo service networking restart
+*
+*/
+func ApplyConfig(iface EtcNetworkConfig) error {
+	configLines := []string{
+		"auto lo",
+		"iface lo inet loopback",
+		fmt.Sprintf("auto %s", iface.Name),
+		fmt.Sprintf("iface %s inet %s", iface.Interface, func(dhcpEnabled bool) string {
+			if dhcpEnabled {
+				return "dhcp"
+			}
+			return "static"
+		}(iface.DHCPEnabled)),
+	}
+
+	if !iface.DHCPEnabled {
+		configLines = append(configLines, fmt.Sprintf("    address %s", iface.Address))
+		configLines = append(configLines, fmt.Sprintf("    netmask %s", iface.Netmask))
+		configLines = append(configLines, fmt.Sprintf("    gateway %s", iface.Gateway))
+		configLines = append(configLines, fmt.Sprintf("    dns-nameservers %s\n", strings.Join(iface.DNS, " ")))
+	}
+
+	configText := strings.Join(configLines, "\n")
+	return os.WriteFile("/etc/network/interfaces", []byte(configText), 0644)
+}