added netbox allocator

pkg/config/config.go

@@ -3,6 +3,7 @@ package config
 import (
 	"errors"
 	"fmt"
+	"net"
 	"os"
 	"path/filepath"
 	"strings"
@@ -13,7 +14,7 @@ import (
 
 const (
 	RaftDir      = "raft"
-	RaftPort     = 7001
+	RaftListen   = ":7001"
 	RaftLogLevel = "off"
 
 	EtcdLogLevel = "error"
@@ -48,9 +49,19 @@ func Validate(c *Config) error {
 	if c.HAProxyService == "" {
 		c.HAProxyService = HAProxyService
 	}
-	if c.VIP.Prefix == "" {
-		return errors.New("missing server.prefix config")
+
+	failover := c.Failover
+	if failover != nil {
+		if failover.IP == "" {
+			return errors.New("missing failover.ip config")
+
+		}
+		_, _, err := net.ParseCIDR(failover.IP)
+		if err != nil {
+			return fmt.Errorf("failed to parse failover.ip: %w", err)
+		}
 	}
+
 	if c.LeaderHook != "" {
 		if !filepath.IsAbs(c.LeaderHook) {
 			return errors.New("leaderHook path must be absolute")
@@ -61,6 +72,28 @@ func Validate(c *Config) error {
 			return errors.New("followerHook path must be absolute")
 		}
 	}
+
+	vip := c.VIP
+	if vip.Prefix == "" {
+		return errors.New("missing vip.prefix config")
+	}
+	local := vip.Store.Local
+	netbox := vip.Store.Netbox
+	if local == nil && netbox == nil {
+		return errors.New("missing vip.store config: local or netbox")
+	}
+	if local != nil && netbox != nil {
+		return errors.New("only one vip.store config allowed: local or netbox")
+	}
+	if netbox != nil {
+		if netbox.Endpoint == "" {
+			return errors.New("missing vip.store.netbox.endpoint config")
+		}
+		if netbox.Token == "" {
+			return errors.New("missing vip.store.netbox.token config")
+		}
+	}
+
 	raft := c.Cluster.Raft
 	if raft != nil {
 		if raft.LogLevel == "" {
@@ -72,8 +105,8 @@ func Validate(c *Config) error {
 		if raft.ID == "" {
 			return errors.New("missing raft.id config")
 		}
-		if raft.Address == "" {
-			return errors.New("missing raft.address config")
+		if raft.Listen == "" {
+			return errors.New("missing raft.listen config")
 		}
 		if len(raft.Peers) < 2 {
 			return errors.New("minimum number of remote peers: 2")
@@ -119,10 +152,10 @@ func Validate(c *Config) error {
 	if raft != nil && etcd != nil {
 		return errors.New("only one cluster config allowed: raft or etcd")
 	}
-	if len(c.Server.BasicAuth) == 0 {
+	if len(c.APIServer.BasicAuth) == 0 {
 		return errors.New("missing basic auth configuration for api users")
 	}
-	for _, u := range c.Server.BasicAuth {
+	for _, u := range c.APIServer.BasicAuth {
 		if u.User == "" {
 			return errors.New("basic auth username can not be empty")
 		}
@@ -135,31 +168,37 @@ func Validate(c *Config) error {
 }
 
 type Config struct {
-	LeaderHook     string  `yaml:"leaderHook,omitempty"`
-	FollowerHook   string  `yaml:"followerHook,omitempty"`
-	HAProxyConfig  string  `yaml:"haproxyConfig,omitempty"`
-	HAProxyService string  `yaml:"haproxyService,omitempty"`
-	VIP            VIP     `yaml:"vip"`
-	Cluster        Cluster `yaml:"cluster"`
-	Server         Server  `yaml:"server"`
+	LeaderHook     string    `yaml:"leaderHook,omitempty"`
+	FollowerHook   string    `yaml:"followerHook,omitempty"`
+	HAProxyConfig  string    `yaml:"haproxyConfig,omitempty"`
+	HAProxyService string    `yaml:"haproxyService,omitempty"`
+	Failover       *Failover `yaml:"failover"`
+	VIP            VIP       `yaml:"vip"`
+	Cluster        Cluster   `yaml:"cluster"`
+	APIServer      APIServer `yaml:"apiServer"`
 }
 
-type Server struct {
-	Listen    string      `yaml:"listen"`
-	TLS       *TLS        `yaml:"tls"`
-	BasicAuth []BasicAuth `yaml:"basicAuth"`
+type Failover struct {
+	IP        string `yaml:"ip"`
+	Interface string `yaml:"interface"`
 }
 
 type VIP struct {
 	Prefix    string `yaml:"prefix"`
+	Store     Store  `yaml:"store"`
 	Interface string `yaml:"interface,omitempty"`
 	Label     string `yaml:"label,omitempty"`
 }
 
-type BasicAuth struct {
-	User   string `yaml:"user"`
-	Hash   string `yaml:"hash"`
-	Prefix string `yaml:"prefix"`
+type Store struct {
+	Local  *struct{} `yaml:"local"`
+	Netbox *Netbox   `yaml:"netbox"`
+}
+
+type Netbox struct {
+	Endpoint string `yaml:"endpoint"`
+	Token    string `yaml:"token"`
+	Insecure bool   `yaml:"insecure,omitempty"`
 }
 
 type Cluster struct {
@@ -170,7 +209,7 @@ type Cluster struct {
 type Raft struct {
 	Dir      string     `yaml:"dir,omitempty"`
 	ID       string     `yaml:"id"`
-	Address  string     `yaml:"address"`
+	Listen   string     `yaml:"listen"`
 	Peers    []RaftPeer `yaml:"peers"`
 	TLS      *TLS       `yaml:"tls,omitempty"`
 	LogLevel string     `yaml:"logLevel,omitempty"`
@@ -191,10 +230,22 @@ type RaftPeer struct {
 
 type Etcd struct {
 	Endpoints   []string `yaml:"endpoints"`
-	Prefix      string   `yaml:"prefix"`
 	ClusterName string   `yaml:"clusterName"`
+	Prefix      string   `yaml:"prefix,omitempty"`
 	Username    string   `yaml:"username,omitempty"`
 	Password    string   `yaml:"password,omitempty"`
 	TLS         *TLS     `yaml:"tls,omitempty"`
 	LogLevel    string   `yaml:"logLevel,omitempty"`
 }
+
+type APIServer struct {
+	Listen    string      `yaml:"listen"`
+	TLS       *TLS        `yaml:"tls"`
+	BasicAuth []BasicAuth `yaml:"basicAuth"`
+}
+
+type BasicAuth struct {
+	User   string `yaml:"user"`
+	Hash   string `yaml:"hash"`
+	Prefix string `yaml:"prefix"`
+}