chore(updater): shared not enough servers error

internal/provider/common/updater.go

@@ -0,0 +1,5 @@
+package common
+
+import "errors"
+
+var ErrNotEnoughServers = errors.New("not enough servers found")

internal/provider/expressvpn/updater/servers.go

@@ -4,15 +4,13 @@ package expressvpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/constants/vpn"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	servers = hardcodedServers()
@@ -46,7 +44,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/fastestvpn/updater/servers.go

@@ -4,16 +4,14 @@ package fastestvpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const url = "https://support.fastestvpn.com/download/openvpn-tcp-udp-config-files"
@@ -22,7 +20,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 		return nil, err
 	} else if len(contents) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(contents), minServers)
+			common.ErrNotEnoughServers, len(contents), minServers)
 	}
 
 	hts := make(hostToServer)
@@ -53,7 +51,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()
@@ -71,7 +69,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/hidemyass/updater/servers.go

@@ -4,15 +4,13 @@ package hidemyass
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/constants/vpn"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	tcpHostToURL, udpHostToURL, err := getAllHostToURL(ctx, u.client)
@@ -24,7 +22,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hosts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hosts), minServers)
+			common.ErrNotEnoughServers, len(hosts), minServers)
 	}
 
 	hostToIPs, warnings, err := resolveHosts(ctx, u.presolver, hosts, minServers)

internal/provider/ipvanish/updater/servers.go

@@ -4,18 +4,16 @@ package ipvanish
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const url = "https://www.ipvanish.com/software/configs/configs.zip"
@@ -24,7 +22,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 		return nil, err
 	} else if len(contents) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(contents), minServers)
+			common.ErrNotEnoughServers, len(contents), minServers)
 	}
 
 	hts := make(hostToServer)
@@ -64,7 +62,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()
@@ -82,7 +80,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/ivpn/updater/servers.go

@@ -4,15 +4,11 @@ package ivpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/constants/vpn"
 	"github.com/qdm12/gluetun/internal/models"
-)
-
-var (
-	ErrNotEnoughServers = errors.New("not enough servers found")
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
@@ -38,7 +34,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hosts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hosts), minServers)
+			common.ErrNotEnoughServers, len(hosts), minServers)
 	}
 
 	hostToIPs, warnings, err := resolveHosts(ctx, u.presolver, hosts, minServers)

internal/provider/mullvad/updater/servers.go

@@ -4,14 +4,12 @@ package mullvad
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	data, err := fetchAPI(ctx, u.client)
@@ -28,7 +26,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	servers = hts.toServersSlice()

internal/provider/nordvpn/updater/servers.go

@@ -10,12 +10,12 @@ import (
 
 	"github.com/qdm12/gluetun/internal/constants/vpn"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
 var (
-	ErrParseIP          = errors.New("cannot parse IP address")
-	ErrNotIPv4          = errors.New("IP address is not IPv4")
-	ErrNotEnoughServers = errors.New("not enough servers found")
+	ErrParseIP = errors.New("cannot parse IP address")
+	ErrNotIPv4 = errors.New("IP address is not IPv4")
 )
 
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
@@ -57,7 +57,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/perfectprivacy/updater/servers.go

@@ -2,17 +2,15 @@ package perfectprivacy
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"net/url"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	zipURL := url.URL{
@@ -43,7 +41,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(cts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(cts), minServers)
+			common.ErrNotEnoughServers, len(cts), minServers)
 	}
 
 	servers = cts.toServersSlice()

internal/provider/privado/updater/servers.go

@@ -4,16 +4,14 @@ package privado
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const url = "https://privado.io/apps/ovpn_configs.zip"
@@ -22,7 +20,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 		return nil, err
 	} else if len(contents) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(contents), minServers)
+			common.ErrNotEnoughServers, len(contents), minServers)
 	}
 
 	hts := make(hostToServer)
@@ -47,7 +45,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()

internal/provider/privateinternetaccess/updater/servers.go

@@ -4,15 +4,13 @@ package privateinternetaccess
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"time"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	nts := make(nameToServer)
@@ -69,7 +67,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/privatevpn/updater/servers.go

@@ -4,17 +4,15 @@ package privatevpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/constants"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const url = "https://privatevpn.com/client/PrivateVPN-TUN.zip"
@@ -23,7 +21,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 		return nil, err
 	} else if len(contents) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(contents), minServers)
+			common.ErrNotEnoughServers, len(contents), minServers)
 	}
 
 	countryCodes := constants.CountryCodes()
@@ -78,7 +76,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(noHostnameServers)+len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers)+len(hts), minServers)
+			common.ErrNotEnoughServers, len(servers)+len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()

internal/provider/protonvpn/updater/servers.go

@@ -4,15 +4,13 @@ package protonvpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/constants"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	data, err := fetchAPI(ctx, u.client)
@@ -29,7 +27,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if count < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, count, minServers)
+			common.ErrNotEnoughServers, count, minServers)
 	}
 
 	ipToServer := make(ipToServer, count)
@@ -60,7 +58,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(ipToServer) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(ipToServer), minServers)
+			common.ErrNotEnoughServers, len(ipToServer), minServers)
 	}
 
 	servers = ipToServer.toServersSlice()

internal/provider/purevpn/updater/servers.go

@@ -4,18 +4,16 @@ package purevpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"net"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/publicip"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const url = "https://d32d3g1fvkpl8y.cloudfront.net/heartbleed/windows/New+OVPN+Files.zip"
@@ -24,7 +22,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 		return nil, err
 	} else if len(contents) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(contents), minServers)
+			common.ErrNotEnoughServers, len(contents), minServers)
 	}
 
 	hts := make(hostToServer)
@@ -57,7 +55,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()
@@ -75,7 +73,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	// Get public IP address information

internal/provider/surfshark/updater/servers.go

@@ -4,14 +4,10 @@ package surfshark
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/models"
-)
-
-var (
-	ErrNotEnoughServers = errors.New("not enough servers found")
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
@@ -48,7 +44,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/torguard/updater/servers.go

@@ -4,18 +4,16 @@ package torguard
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const tcpURL = "https://torguard.net/downloads/OpenVPN-TCP-Linux.zip"
@@ -47,7 +45,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()
@@ -63,7 +61,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/vpnunlimited/updater/servers.go

@@ -4,14 +4,12 @@ package vpnunlimited
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	// Hardcoded data from a user provided ZIP file since it's behind a login wall
@@ -35,7 +33,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/vyprvpn/updater/servers.go

@@ -4,16 +4,14 @@ package vyprvpn
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 	"github.com/qdm12/gluetun/internal/updater/openvpn"
 )
 
-var ErrNotEnoughServers = errors.New("not enough servers found")
-
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
 	servers []models.Server, err error) {
 	const url = "https://support.vyprvpn.com/hc/article_attachments/360052617332/Vypr_OpenVPN_20200320.zip"
@@ -22,7 +20,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 		return nil, err
 	} else if len(contents) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(contents), minServers)
+			common.ErrNotEnoughServers, len(contents), minServers)
 	}
 
 	hts := make(hostToServer)
@@ -61,7 +59,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hts) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(hts), minServers)
+			common.ErrNotEnoughServers, len(hts), minServers)
 	}
 
 	hosts := hts.toHostsSlice()
@@ -79,7 +77,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)

internal/provider/wevpn/updater/servers.go

@@ -9,12 +9,12 @@ import (
 
 	"github.com/qdm12/gluetun/internal/constants/vpn"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
 var (
-	ErrGetZip           = errors.New("cannot get OpenVPN ZIP file")
-	ErrGetAPI           = errors.New("cannot fetch server information from API")
-	ErrNotEnoughServers = errors.New("not enough servers found")
+	ErrGetZip = errors.New("cannot get OpenVPN ZIP file")
+	ErrGetAPI = errors.New("cannot fetch server information from API")
 )
 
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
@@ -40,7 +40,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(hostnameToIPs) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	for hostname, ips := range hostnameToIPs {

internal/provider/windscribe/updater/servers.go

@@ -10,11 +10,11 @@ import (
 
 	"github.com/qdm12/gluetun/internal/constants/vpn"
 	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
 var (
-	ErrNotEnoughServers = errors.New("not enough servers found")
-	ErrNoWireguardKey   = errors.New("no wireguard public key found")
+	ErrNoWireguardKey = errors.New("no wireguard public key found")
 )
 
 func (u *Updater) GetServers(ctx context.Context, minServers int) (
@@ -69,7 +69,7 @@ func (u *Updater) GetServers(ctx context.Context, minServers int) (
 
 	if len(servers) < minServers {
 		return nil, fmt.Errorf("%w: %d and expected at least %d",
-			ErrNotEnoughServers, len(servers), minServers)
+			common.ErrNotEnoughServers, len(servers), minServers)
 	}
 
 	sortServers(servers)