f-21: systemd: add agent systemd

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

.forgejo/workflows/prerelease.yml

@@ -37,8 +37,6 @@ jobs:
           - metadata
           - metacli
           - agent
-          - dhcp
-          - subnet
     uses: ./.forgejo/workflows/build.yml
     with:
       tag: ${{ needs.set-release-target.outputs.release_cible }}

cmd/dhcp/main.go

@@ -1,64 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"net"
-	"os"
-
-	"git.g3e.fr/syonad/two/internal/dhcp"
-	"git.g3e.fr/syonad/two/pkg/systemd"
-)
-
-func main() {
-	subnet := flag.String("subnet", "", "Subnet CIDR (e.g. 10.10.10.0/24)")
-	name := flag.String("name", "", "Config name (e.g. vpc1_br-00002)")
-	gateway := flag.String("gateway", "", "Gateway IP (e.g. 10.10.10.1)")
-	confDir := flag.String("confdir", "/etc/dnsmasq.d", "dnsmasq config directory")
-	flag.Parse()
-
-	if *subnet == "" || *name == "" || *gateway == "" {
-		flag.Usage()
-		os.Exit(1)
-	}
-
-	_, network, err := net.ParseCIDR(*subnet)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "invalid subnet: %v\n", err)
-		os.Exit(1)
-	}
-
-	gw := net.ParseIP(*gateway)
-	if gw == nil {
-		fmt.Fprintf(os.Stderr, "invalid gateway IP: %q\n", *gateway)
-		os.Exit(1)
-	}
-
-	conf := dhcp.Config{
-		Network: network,
-		Gateway: gw,
-		Name:    *name,
-		ConfDir: *confDir,
-	}
-
-	confPath, err := dhcp.GenerateConfig(conf)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "error generating config: %v\n", err)
-		os.Exit(1)
-	}
-	fmt.Printf("dnsmasq config written to %s\n", confPath)
-
-	svc, err := systemd.New()
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "error connecting to systemd: %v\n", err)
-		os.Exit(1)
-	}
-	defer svc.Close()
-
-	unit := "dnsmasq@" + *name + ".service"
-	if err := svc.Start(unit); err != nil {
-		fmt.Fprintf(os.Stderr, "error starting %s: %v\n", unit, err)
-		os.Exit(1)
-	}
-	fmt.Printf("started %s\n", unit)
-}

cmd/subnet/main.go

@@ -1,93 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"os"
-
-	configuration "git.g3e.fr/syonad/two/internal/config/agent"
-	"git.g3e.fr/syonad/two/internal/subnet"
-	"git.g3e.fr/syonad/two/pkg/db/kv"
-
-	"github.com/dgraph-io/badger/v4"
-)
-
-var (
-	name       = flag.String("name", "", "Subnet name (ex: sn-00001)")
-	vpcName    = flag.String("vpc", "", "VPC name")
-	vxlanID    = flag.String("vxlan-id", "", "VXLAN ID")
-	localIP    = flag.String("local-ip", "", "Local VTEP IP")
-	gatewayIP  = flag.String("gateway-ip", "", "Gateway IP")
-	cidr       = flag.String("cidr", "", "Subnet CIDR (ex: 10.10.10.0/24)")
-	action     = flag.String("action", "", "Action à effectuer")
-	conf_file  = flag.String("conf", "/etc/two/agent.yml", "Configuration file")
-)
-
-var DB *badger.DB
-
-func main() {
-	flag.Parse()
-
-	conf, err := configuration.LoadConfig(*conf_file)
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-
-	DB = kv.InitDB(kv.Config{
-		Path: conf.Database.Path,
-	}, false)
-	defer DB.Close()
-
-	switch *action {
-	case "create":
-		if *name == "" || *vpcName == "" || *vxlanID == "" || *localIP == "" || *gatewayIP == "" || *cidr == "" {
-			fmt.Println("create requires: -name -vpc -vxlan-id -local-ip -gateway-ip -cidr")
-			os.Exit(1)
-		}
-		kv.AddInDB(DB, "subnet/"+*name+"/state", "creating")
-		kv.AddInDB(DB, "subnet/"+*name+"/vpc", *vpcName)
-		kv.AddInDB(DB, "subnet/"+*name+"/vxlan_id", *vxlanID)
-		kv.AddInDB(DB, "subnet/"+*name+"/local_ip", *localIP)
-		kv.AddInDB(DB, "subnet/"+*name+"/gateway_ip", *gatewayIP)
-		kv.AddInDB(DB, "subnet/"+*name+"/cidr", *cidr)
-		if err := subnet.CreateSubnet(DB, *name); err != nil {
-			fmt.Println(err)
-			os.Exit(1)
-		}
-
-	case "delete":
-		if *name == "" {
-			fmt.Println("delete requires: -name")
-			os.Exit(1)
-		}
-		kv.AddInDB(DB, "subnet/"+*name+"/state", "deleting")
-		if err := subnet.DeleteSubnet(DB, *name); err != nil {
-			fmt.Println(err)
-			os.Exit(1)
-		}
-		if state, err := kv.GetFromDB(DB, "subnet/"+*name+"/state"); err != nil {
-			fmt.Println(err)
-			os.Exit(1)
-		} else if state == "deleted" {
-			kv.DeleteInDB(DB, "subnet/"+*name)
-		}
-
-	case "check":
-		if *name == "" {
-			fmt.Println("check requires: -name")
-			os.Exit(1)
-		}
-		if state, err := kv.GetFromDB(DB, "subnet/"+*name+"/state"); err != nil {
-			os.Exit(1)
-		} else if state != "created" {
-			os.Exit(1)
-		}
-
-	default:
-		fmt.Printf("Available commands:\n - create\n - delete\n - check\n")
-		os.Exit(1)
-	}
-
-	os.Exit(0)
-}

systemd/agent.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Agent service
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/opt/two/bin/agent
+
+[Install]
+WantedBy=multi-user.target