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// Copyright 2017 Vector Creations Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package test
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/matrix-org/dendrite/common/config"
)
// Defaulting allows assignment of string variables with a fallback default value
// Useful for use with os.Getenv() for example
func Defaulting(value, defaultValue string) string {
if value == "" {
value = defaultValue
}
return value
}
// CreateDatabase creates a new database, dropping it first if it exists
func CreateDatabase(command string, args []string, database string) error {
cmd := exec.Command(command, args...)
cmd.Stdin = strings.NewReader(
fmt.Sprintf("DROP DATABASE IF EXISTS %s; CREATE DATABASE %s;", database, database),
)
// Send stdout and stderr to our stderr so that we see error messages from
// the psql process
cmd.Stdout = os.Stderr
cmd.Stderr = os.Stderr
return cmd.Run()
}
// CreateBackgroundCommand creates an executable command
// The Cmd being executed is returned. A channel is also returned,
// which will have any termination errors sent down it, followed immediately by the channel being closed.
func CreateBackgroundCommand(command string, args []string) (*exec.Cmd, chan error) {
cmd := exec.Command(command, args...)
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stderr
if err := cmd.Start(); err != nil {
panic("failed to start server: " + err.Error())
}
cmdChan := make(chan error, 1)
go func() {
cmdChan <- cmd.Wait()
close(cmdChan)
}()
return cmd, cmdChan
}
// InitDatabase creates the database and config file needed for the server to run
func InitDatabase(postgresDatabase, postgresContainerName string, databases []string) {
if len(databases) > 0 {
var dbCmd string
var dbArgs []string
if postgresContainerName == "" {
dbCmd = "psql"
dbArgs = []string{postgresDatabase}
} else {
dbCmd = "docker"
dbArgs = []string{
"exec", "-i", postgresContainerName, "psql", "-U", "postgres", postgresDatabase,
}
}
for _, database := range databases {
if err := CreateDatabase(dbCmd, dbArgs, database); err != nil {
panic(err)
}
}
}
}
// StartProxy creates a reverse proxy
func StartProxy(bindAddr string, cfg *config.Dendrite) (*exec.Cmd, chan error) {
proxyArgs := []string{
"--bind-address", bindAddr,
"--sync-api-server-url", "http://" + string(cfg.Listen.SyncAPI),
"--client-api-server-url", "http://" + string(cfg.Listen.ClientAPI),
"--media-api-server-url", "http://" + string(cfg.Listen.MediaAPI),
"--public-rooms-api-server-url", "http://" + string(cfg.Listen.PublicRoomsAPI),
"--tls-cert", "server.crt",
"--tls-key", "server.key",
}
return CreateBackgroundCommand(
filepath.Join(filepath.Dir(os.Args[0]), "client-api-proxy"),
proxyArgs,
)
}
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