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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,207 @@ | ||
| package service | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "gopkg.in/yaml.v2" | ||
| ) | ||
|
|
||
| /* | ||
| * Ubuntu 18 以后的版本才支持 | ||
| /etc/netplan/01-netcfg.yaml | ||
| network: | ||
| version: 2 | ||
| renderer: networkd | ||
| ethernets: | ||
| enp0s9: | ||
| dhcp4: no | ||
| addresses: | ||
| - 192.168.121.221/24 | ||
| gateway4: 192.168.121.1 | ||
| nameservers: | ||
| addresses: [8.8.8.8, 1.1.1.1] | ||
| * | ||
| */ | ||
| // | ||
| // 读取Ip状态(静态/动态) yaml | ||
| type Interface struct { | ||
| Dhcp4 string `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]Interface `yaml:"ethernets" json:"ethernets,omitempty"` | ||
| } | ||
| type NetplanConfig struct { | ||
| Network Network `yaml:"network" json:"network,omitempty"` | ||
| } | ||
|
|
||
| func NewNetplanConfig() *NetplanConfig { | ||
| return &NetplanConfig{ | ||
| Network: Network{ | ||
| Version: 2, | ||
| Renderer: "NetworkManager", | ||
| Ethernets: map[string]Interface{ | ||
| "eth0": { | ||
| Dhcp4: "no", | ||
| Addresses: []string{"192.168.128.1/24"}, | ||
| Gateway4: "192.168.128.1", | ||
| Nameservers: []string{"114.114.114.114"}, | ||
| }, | ||
| "eth1": { | ||
| Dhcp4: "no", | ||
| Addresses: []string{"192.168.128.1/24"}, | ||
| Gateway4: "192.168.128.2", | ||
| Nameservers: []string{"114.114.114.114"}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| } | ||
| func (nc *NetplanConfig) FromJson(jsons string) error { | ||
| return json.Unmarshal([]byte(jsons), nc) | ||
| } | ||
|
|
||
| func (nc *NetplanConfig) FromYaml(jsons string) error { | ||
| return yaml.Unmarshal([]byte(jsons), nc) | ||
| } | ||
|
|
||
| func (nc *NetplanConfig) JsonString() string { | ||
| b, _ := json.Marshal(nc) | ||
| return string(b) | ||
| } | ||
| func (nc *NetplanConfig) YAMLString() string { | ||
| b, _ := yaml.Marshal(nc) | ||
| return string(b) | ||
| } | ||
|
|
||
| // # /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) | ||
| } | ||
|
|
||
| /* | ||
| * | ||
| * 解析配置文件 | ||
| * | ||
| */ | ||
| func ParseEtcFile(content string) []EtcNetworkConfig { | ||
| lines := strings.Split(content, "\n") | ||
|
|
||
| var interfaces []EtcNetworkConfig | ||
| var currentInterface EtcNetworkConfig | ||
|
|
||
| for _, line := range lines { | ||
| fields := strings.Fields(line) | ||
| if len(fields) == 0 { | ||
| continue | ||
| } | ||
|
|
||
| switch fields[0] { | ||
| case "auto": | ||
| currentInterface = EtcNetworkConfig{Name: fields[1]} | ||
| case "iface": | ||
| if len(fields) < 3 { | ||
| continue | ||
| } | ||
| currentInterface.Interface = fields[2] | ||
| case "address": | ||
| if len(fields) < 2 { | ||
| continue | ||
| } | ||
| currentInterface.Address = fields[1] | ||
| case "netmask": | ||
| if len(fields) < 2 { | ||
| continue | ||
| } | ||
| currentInterface.Netmask = fields[1] | ||
| case "gateway": | ||
| if len(fields) < 2 { | ||
| continue | ||
| } | ||
| currentInterface.Gateway = fields[1] | ||
| case "dns-nameservers": | ||
| if len(fields) < 2 { | ||
| continue | ||
| } | ||
| currentInterface.DNS = fields[1:] | ||
| case "dhcp": | ||
| if len(fields) > 1 && fields[1] == "dhcp" { | ||
| currentInterface.DHCPEnabled = true | ||
| } | ||
| } | ||
|
|
||
| if len(currentInterface.Interface) > 0 { | ||
| interfaces = append(interfaces, currentInterface) | ||
| } | ||
| } | ||
|
|
||
| return interfaces | ||
| } | ||
|
|
||
| /* | ||
| * | ||
| * 将结构体写入配置文件 | ||
| * | ||
| */ | ||
| func WriteInterfaceConfig(filePath string, 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, getInetType(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", strings.Join(iface.DNS, " "))) | ||
| } | ||
|
|
||
| configText := strings.Join(configLines, "\n") | ||
| return os.WriteFile(filePath, []byte(configText), 0644) | ||
| } | ||
| func getInetType(dhcpEnabled bool) string { | ||
| if dhcpEnabled { | ||
| return "dhcp" | ||
| } | ||
| return "static" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| auto lo | ||
| iface lo inet loopback | ||
| auto eth0 | ||
| iface eth0 inet dhcp |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| 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 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| network: | ||
| version: 2 | ||
| renderer: networkd | ||
| ethernets: | ||
| enp0s9: | ||
| dhcp4: no | ||
| addresses: | ||
| - 192.168.121.221/24 | ||
| gateway4: 192.168.121.1 | ||
| nameservers: | ||
| addresses: [8.8.8.8, 1.1.1.1] |
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