// createBootstrap will create a bootstrap file for the server.
func (srv *Server) writeBootstrapFile(bs *os.File) error {
log.Debugf("Creating bootstrap file %q\n", bs.Name())
// Write the header to the bootstrap file
if _, err := appendLines(bs, bsHeader); err != nil {
return err
}
// Append bootstrap files from distribution
for _, fname := range sqlFiles {
fullname := filepath.Join(srv.Dist.Root, "share", fname)
rd, err := os.Open(fullname)
if err != nil {
return err
}
_, err = io.Copy(bs, rd)
rd.Close()
if err != nil {
return err
}
}
// Append the footer lines to the bootstrap file
if _, err := appendLines(bs, bsFooter); err != nil {
return err
}
return nil
}
// create will create the necessary files and directories to set up
// the stable. Distributions are stored under the "dist" directory,
// where there is one directory for each distribution. Server data is
// stored under the "server" directory, where there is one directory
// for each server.
func (stable *Stable) setup() error {
log.Debugf("Creating files and directories for stable in %q", stable.Root)
// Create the stable directory
if err := os.Mkdir(stable.Root, 0755); err != nil {
errno := err.(*os.PathError).Err.(syscall.Errno)
if errno == syscall.EEXIST {
return ErrStableExists
} else {
return err
}
}
dirs := []string{
stable.distDir,
stable.serverDir,
stable.tmpDir,
}
for _, dir := range dirs {
if err := os.Mkdir(dir, 0755); err != nil {
os.RemoveAll(stable.Root)
return err
}
}
return nil
}
// Execute is used to execute a command using the mysql client for the
// server and return the result.
func (srv *Server) Execute(commands ...string) error {
argv := srv.mysqlArgs("-e" + strings.Join(commands, ";"))
cmd := exec.Command(srv.bin("mysql"), argv...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
log.Debugf("Executing %v", cmd.Args)
return cmd.Run()
}
// Connect is used to connect a terminal to the server and run a
// prompt.
func (srv *Server) Connect(args ...string) error {
argv := srv.mysqlArgs(args...)
cmd := exec.Command(srv.bin("mysql"), argv...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
log.Debugf("Executing %v", srv.Name, cmd.Args)
return cmd.Run()
}
func TestDistSetup(t *testing.T) {
if len(flagDist) == 0 {
t.Skip("No distribution provided with -dist flag, skipping test")
}
if len(flagVersion) == 0 {
t.Skip("No expected version provided with -version flag, skipping test")
}
stable, err := CreateStable(".")
if err != nil {
t.Errorf("CreateStable: error returned, none expected: %v", err.Error())
return
}
if _, err := stable.AddDist("invalid-name"); err == nil {
t.Errorf("AddDist: expected error, didn't got one")
return
}
dist, err := stable.AddDist(flagDist)
if err != nil {
t.Fatalf("Error returned, none expected:\n%s", err.Error())
}
if dist.Version != flagVersion {
t.Errorf("Version %v expected, was %v", flagVersion, dist.Version)
}
log.Debugf("Distribution with name %q created", dist.Name)
if len(dist.Name) == 0 {
t.Errorf("Name was expected, none assigned")
}
if len(stable.Distro) != 1 {
t.Errorf("Number of registered distributions is %v, expected 1", len(stable.Distro))
}
if stable.Distro[dist.Name] != dist {
t.Errorf("Distribution not registered correctly")
}
stable.Destroy()
}
The command will open a prompt to that server.`,
Synopsis: "[ OPTION ] SERVER",
Body: func(ctx *cmd.Context, cmd *cmd.Command, args []string) error {
// Find matching servers
servers, err := ctx.Stable.FindMatchingServers(args[0:1])
if err != nil {
return err
} else if len(servers) == 0 {
return fmt.Errorf("No servers matching %q", args[0])
} else if len(servers) > 1 {
return fmt.Errorf("Pattern %q match more than one server", args[0])
}
log.Debugf("Found matching servers %v", servers)
// Providing more than one server and not a command is
// not allowed. We don't support sending SQL to
// multiple servers using a command prompt (yet).
if len(args) == 1 && len(servers) > 1 {
return ErrTooManyServers
}
return servers[0].Connect()
},
Init: func(cmd *cmd.Command) {
cmd.Flags.String("database", "test", "Database to use when connecting")
},
}
