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Minor fix to help testing

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This commit is contained in:
Juan Font Alonso 2021-06-05 11:13:28 +02:00
parent 094fde36d1
commit 0fcd92fcce
3 changed files with 51 additions and 51 deletions
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45
cmd/headscale/cli/utils.go
View file

@ -2,6 +2,7 @@ package cli
import (
"encoding/json"
"errors"
"fmt"
"io"
"log"
@ -20,6 +21,50 @@ type ErrorOutput struct {
Error string
}
func LoadConfig(path string) error {
viper.SetConfigName("config")
if path == "" {
viper.AddConfigPath("/etc/headscale/")
viper.AddConfigPath("$HOME/.headscale")
viper.AddConfigPath(".")
} else {
// For testing
viper.AddConfigPath(path)
}
viper.AutomaticEnv()
viper.SetDefault("tls_letsencrypt_cache_dir", "/var/www/.cache")
viper.SetDefault("tls_letsencrypt_challenge_type", "HTTP-01")
err := viper.ReadInConfig()
if err != nil {
return fmt.Errorf("Fatal error reading config file: %s \n", err)
}
// Collect any validation errors and return them all at once
var errorText string
if (viper.GetString("tls_letsencrypt_hostname") != "") && ((viper.GetString("tls_cert_path") != "") || (viper.GetString("tls_key_path") != "")) {
errorText += "Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both\n"
}
if (viper.GetString("tls_letsencrypt_hostname") != "") && (viper.GetString("tls_letsencrypt_challenge_type") == "TLS-ALPN-01") && (!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
errorText += "Fatal config error: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, listen_addr must end in :443\n"
}
if (viper.GetString("tls_letsencrypt_challenge_type") != "HTTP-01") && (viper.GetString("tls_letsencrypt_challenge_type") != "TLS-ALPN-01") {
errorText += "Fatal config error: the only supported values for tls_letsencrypt_challenge_type are HTTP-01 and TLS-ALPN-01\n"
}
if !strings.HasPrefix(viper.GetString("server_url"), "http://") && !strings.HasPrefix(viper.GetString("server_url"), "https://") {
errorText += "Fatal config error: server_url must start with https:// or http://\n"
}
if errorText != "" {
return errors.New(strings.TrimSuffix(errorText, "\n"))
} else {
return nil
}
}
func absPath(path string) string {
// If a relative path is provided, prefix it with the the directory where
// the config file was found.

48
cmd/headscale/headscale.go
View file

@ -1,7 +1,6 @@
package main
import (
"errors"
"fmt"
"log"
"os"
@ -9,7 +8,6 @@ import (
"github.com/juanfont/headscale/cmd/headscale/cli"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var version = "dev"
@ -38,52 +36,8 @@ Juan Font Alonso <juanfontalonso@gmail.com> - 2021
https://gitlab.com/juanfont/headscale`,
}
func loadConfig(path string) error {
viper.SetConfigName("config")
if path == "" {
viper.AddConfigPath("/etc/headscale/")
viper.AddConfigPath("$HOME/.headscale")
viper.AddConfigPath(".")
} else {
// For testing
viper.AddConfigPath(path)
}
viper.AutomaticEnv()
viper.SetDefault("tls_letsencrypt_cache_dir", "/var/www/.cache")
viper.SetDefault("tls_letsencrypt_challenge_type", "HTTP-01")
err := viper.ReadInConfig()
if err != nil {
return fmt.Errorf("Fatal error reading config file: %s \n", err)
}
// Collect any validation errors and return them all at once
var errorText string
if (viper.GetString("tls_letsencrypt_hostname") != "") && ((viper.GetString("tls_cert_path") != "") || (viper.GetString("tls_key_path") != "")) {
errorText += "Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both\n"
}
if (viper.GetString("tls_letsencrypt_hostname") != "") && (viper.GetString("tls_letsencrypt_challenge_type") == "TLS-ALPN-01") && (!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
errorText += "Fatal config error: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, listen_addr must end in :443\n"
}
if (viper.GetString("tls_letsencrypt_challenge_type") != "HTTP-01") && (viper.GetString("tls_letsencrypt_challenge_type") != "TLS-ALPN-01") {
errorText += "Fatal config error: the only supported values for tls_letsencrypt_challenge_type are HTTP-01 and TLS-ALPN-01\n"
}
if !strings.HasPrefix(viper.GetString("server_url"), "http://") && !strings.HasPrefix(viper.GetString("server_url"), "https://") {
errorText += "Fatal config error: server_url must start with https:// or http://\n"
}
if errorText != "" {
return errors.New(strings.TrimSuffix(errorText, "\n"))
} else {
return nil
}
}
func main() {
err := loadConfig("")
err := cli.LoadConfig("")
if err != nil {
log.Fatalf(err.Error())
}

9
cmd/headscale/headscale_test.go
View file

@ -8,6 +8,7 @@ import (
"strings"
"testing"
"github.com/juanfont/headscale/cmd/headscale/cli"
"github.com/spf13/viper"
"gopkg.in/check.v1"
)
@ -46,7 +47,7 @@ func (*Suite) TestPostgresConfigLoading(c *check.C) {
}
// Load example config, it should load without validation errors
err = loadConfig(tmpDir)
err = cli.LoadConfig(tmpDir)
c.Assert(err, check.IsNil)
// Test that config file was interpreted correctly
@ -78,7 +79,7 @@ func (*Suite) TestSqliteConfigLoading(c *check.C) {
}
// Load example config, it should load without validation errors
err = loadConfig(tmpDir)
err = cli.LoadConfig(tmpDir)
c.Assert(err, check.IsNil)
// Test that config file was interpreted correctly
@ -112,7 +113,7 @@ func (*Suite) TestTLSConfigValidation(c *check.C) {
writeConfig(c, tmpDir, configYaml)
// Check configuration validation errors (1)
err = loadConfig(tmpDir)
err = cli.LoadConfig(tmpDir)
c.Assert(err, check.NotNil)
// check.Matches can not handle multiline strings
tmp := strings.ReplaceAll(err.Error(), "\n", "***")
@ -124,7 +125,7 @@ func (*Suite) TestTLSConfigValidation(c *check.C) {
// Check configuration validation errors (2)
configYaml = []byte("---\nserver_url: \"http://127.0.0.1:8000\"\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"TLS-ALPN-01\"")
writeConfig(c, tmpDir, configYaml)
err = loadConfig(tmpDir)
err = cli.LoadConfig(tmpDir)
c.Assert(err, check.NotNil)
c.Assert(err, check.ErrorMatches, "Fatal config error: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, listen_addr must end in :443.*")
}