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Migrate config.go to net/netip

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This commit is contained in:
Juan Font Alonso 2022-09-02 00:04:04 +02:00
parent 12385d4357
commit 197da8afcb
1 changed files with 13 additions and 11 deletions
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24
config.go
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@ -9,11 +9,13 @@ import (
"strings"
"time"
"net/netip"
"github.com/coreos/go-oidc/v3/oidc"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/viper"
"inet.af/netaddr"
"go4.org/netipx"
"tailscale.com/tailcfg"
"tailscale.com/types/dnstype"
)
@ -32,7 +34,7 @@ type Config struct {
GRPCAllowInsecure bool
EphemeralNodeInactivityTimeout time.Duration
NodeUpdateCheckInterval time.Duration
IPPrefixes []netaddr.IPPrefix
IPPrefixes []netip.Prefix
PrivateKeyPath string
NoisePrivateKeyPath string
BaseDomain string
@ -340,11 +342,11 @@ func GetDNSConfig() (*tailcfg.DNSConfig, string) {
if viper.IsSet("dns_config.nameservers") {
nameserversStr := viper.GetStringSlice("dns_config.nameservers")
nameservers := make([]netaddr.IP, len(nameserversStr))
nameservers := make([]netip.Addr, len(nameserversStr))
resolvers := make([]*dnstype.Resolver, len(nameserversStr))
for index, nameserverStr := range nameserversStr {
nameserver, err := netaddr.ParseIP(nameserverStr)
nameserver, err := netip.ParseAddr(nameserverStr)
if err != nil {
log.Error().
Str("func", "getDNSConfig").
@ -374,7 +376,7 @@ func GetDNSConfig() (*tailcfg.DNSConfig, string) {
len(restrictedNameservers),
)
for index, nameserverStr := range restrictedNameservers {
nameserver, err := netaddr.ParseIP(nameserverStr)
nameserver, err := netip.ParseAddr(nameserverStr)
if err != nil {
log.Error().
Str("func", "getDNSConfig").
@ -427,7 +429,7 @@ func GetHeadscaleConfig() (*Config, error) {
randomizeClientPort := viper.GetBool("randomize_client_port")
configuredPrefixes := viper.GetStringSlice("ip_prefixes")
parsedPrefixes := make([]netaddr.IPPrefix, 0, len(configuredPrefixes)+1)
parsedPrefixes := make([]netip.Prefix, 0, len(configuredPrefixes)+1)
logLevelStr := viper.GetString("log_level")
logLevel, err := zerolog.ParseLevel(logLevelStr)
@ -444,7 +446,7 @@ func GetHeadscaleConfig() (*Config, error) {
"use of 'ip_prefix' for configuration is deprecated",
"please see 'ip_prefixes' in the shipped example.",
)
legacyPrefix, err := netaddr.ParseIPPrefix(legacyPrefixField)
legacyPrefix, err := netip.ParsePrefix(legacyPrefixField)
if err != nil {
panic(fmt.Errorf("failed to parse ip_prefix: %w", err))
}
@ -452,19 +454,19 @@ func GetHeadscaleConfig() (*Config, error) {
}
for i, prefixInConfig := range configuredPrefixes {
prefix, err := netaddr.ParseIPPrefix(prefixInConfig)
prefix, err := netip.ParsePrefix(prefixInConfig)
if err != nil {
panic(fmt.Errorf("failed to parse ip_prefixes[%d]: %w", i, err))
}
parsedPrefixes = append(parsedPrefixes, prefix)
}
prefixes := make([]netaddr.IPPrefix, 0, len(parsedPrefixes))
prefixes := make([]netip.Prefix, 0, len(parsedPrefixes))
{
// dedup
normalizedPrefixes := make(map[string]int, len(parsedPrefixes))
for i, p := range parsedPrefixes {
normalized, _ := p.Range().Prefix()
normalized, _ := netipx.RangeOfPrefix(p).Prefix()
normalizedPrefixes[normalized.String()] = i
}
@ -475,7 +477,7 @@ func GetHeadscaleConfig() (*Config, error) {
}
if len(prefixes) < 1 {
prefixes = append(prefixes, netaddr.MustParseIPPrefix("100.64.0.0/10"))
prefixes = append(prefixes, netip.MustParsePrefix("100.64.0.0/10"))
log.Warn().
Msgf("'ip_prefixes' not configured, falling back to default: %v", prefixes)
}