func SetMirrorState(r *database.Redis, id string, state bool, reason string) error {
conn := r.Get()
defer conn.Close()
key := fmt.Sprintf("MIRROR_%s", id)
previousState, err := redis.Bool(conn.Do("HGET", key, "up"))
if err != nil {
return err
}
var args []interface{}
args = append(args, key, "up", state, "excludeReason", reason)
if state != previousState {
args = append(args, "stateSince", time.Now().Unix())
}
_, err = conn.Do("HMSET", args...)
if err == nil && state != previousState {
// Publish update
database.Publish(conn, database.MIRROR_UPDATE, id)
}
return err
}
func (c *cluster) clusterLoop() {
clusterChan := make(chan string, 10)
announceTicker := time.NewTicker(1 * time.Second)
hostname := utils.GetHostname()
nodeID := fmt.Sprintf("%s-%05d", hostname, rand.Intn(32000))
c.refreshNodeList(nodeID, nodeID)
c.redis.Pubsub.SubscribeEvent(database.CLUSTER, clusterChan)
for {
select {
case <-c.stop:
c.wg.Done()
return
case <-announceTicker.C:
r := c.redis.Get()
database.Publish(r, database.CLUSTER, fmt.Sprintf("%s %s", clusterAnnounce, nodeID))
r.Close()
case data := <-clusterChan:
if !strings.HasPrefix(data, clusterAnnounce+" ") {
// Garbage
continue
}
c.refreshNodeList(data[len(clusterAnnounce)+1:], nodeID)
}
}
}
func SetMirrorEnabled(r *database.Redis, id string, state bool) error {
conn := r.Get()
defer conn.Close()
key := fmt.Sprintf("MIRROR_%s", id)
_, err := conn.Do("HMSET", key, "enabled", state)
// Publish update
if err == nil {
database.Publish(conn, database.MIRROR_UPDATE, id)
}
return err
}
func (s *scan) setLastSync(conn redis.Conn, identifier string, successful bool) error {
now := time.Now().UTC().Unix()
conn.Send("MULTI")
// Set the last sync time
conn.Send("HSET", fmt.Sprintf("MIRROR_%s", identifier), "lastSync", now)
// Set the last successful sync time
if successful {
conn.Send("HSET", fmt.Sprintf("MIRROR_%s", identifier), "lastSuccessfulSync", now)
}
_, err := conn.Do("EXEC")
// Publish an update on redis
database.Publish(conn, database.MIRROR_UPDATE, identifier)
return err
}
func (c *cli) CmdEdit(args ...string) error {
cmd := SubCmd("edit", "[IDENTIFIER]", "Edit a mirror")
if err := cmd.Parse(args); err != nil {
return nil
}
if cmd.NArg() != 1 {
cmd.Usage()
return nil
}
// Find the editor to use
editor := os.Getenv("EDITOR")
if editor == "" {
log.Fatal("Environment variable $EDITOR not set")
}
// Guess which mirror to use
list, err := c.matchMirror(cmd.Arg(0))
if err != nil {
return err
}
if len(list) == 0 {
fmt.Fprintf(os.Stderr, "No match for %s\n", cmd.Arg(0))
return nil
} else if len(list) > 1 {
for _, e := range list {
fmt.Fprintf(os.Stderr, "%s\n", e)
}
return nil
}
id := list[0]
// Connect to the database
r := database.NewRedis()
conn, err := r.Connect()
if err != nil {
log.Fatal("Redis: ", err)
}
defer conn.Close()
// Get the mirror information
key := fmt.Sprintf("MIRROR_%s", id)
m, err := redis.Values(conn.Do("HGETALL", key))
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot fetch mirror details: %s\n", err)
return err
}
var mirror mirrors.Mirror
err = redis.ScanStruct(m, &mirror)
if err != nil {
return err
}
// Generate a yaml configuration string from the struct
out, err := yaml.Marshal(mirror)
// Open a temporary file
f, err := ioutil.TempFile(os.TempDir(), "edit")
if err != nil {
log.Fatal("Cannot create temporary file:", err)
}
defer os.Remove(f.Name())
f.WriteString("# You can now edit this mirror configuration.\n" +
"# Just save and quit when you're done.\n\n")
f.WriteString(string(out))
f.WriteString(fmt.Sprintf("\n%s\n\n%s\n", commentSeparator, mirror.Comment))
f.Close()
// Checksum the original file
chk, _ := filesystem.HashFile(f.Name())
reopen:
// Launch the editor with the filename as first parameter
exe := exec.Command(editor, f.Name())
exe.Stdin = os.Stdin
exe.Stdout = os.Stdout
exe.Stderr = os.Stderr
err = exe.Run()
if err != nil {
log.Fatal(err)
}
// Read the file back
out, err = ioutil.ReadFile(f.Name())
if err != nil {
log.Fatal("Cannot read file", f.Name())
}
// Checksum the file back and compare
chk2, _ := filesystem.HashFile(f.Name())
if chk == chk2 {
fmt.Println("Aborted")
return nil
}
var (
yamlstr string = string(out)
comment string
)
commentIndex := strings.Index(yamlstr, commentSeparator)
if commentIndex > 0 {
comment = strings.TrimSpace(yamlstr[commentIndex+len(commentSeparator):])
yamlstr = yamlstr[:commentIndex]
}
// Fill the struct from the yaml
err = yaml.Unmarshal([]byte(yamlstr), &mirror)
if err != nil {
eagain:
fmt.Printf("%s\nRetry? [Y/n]", err.Error())
reader := bufio.NewReader(os.Stdin)
s, _ := reader.ReadString('\n')
switch s[0] {
case 'y', 'Y', 10:
goto reopen
case 'n', 'N':
fmt.Println("Aborted")
return nil
default:
goto eagain
}
}
// Reformat contry codes
mirror.CountryCodes = strings.Replace(mirror.CountryCodes, ",", " ", -1)
ccodes := strings.Fields(mirror.CountryCodes)
mirror.CountryCodes = ""
for _, c := range ccodes {
mirror.CountryCodes += strings.ToUpper(c) + " "
}
mirror.CountryCodes = strings.TrimRight(mirror.CountryCodes, " ")
// Reformat continent code
//FIXME sanitize
mirror.ContinentCode = strings.ToUpper(mirror.ContinentCode)
// Normalize URLs
if mirror.HttpURL != "" {
mirror.HttpURL = utils.NormalizeURL(mirror.HttpURL)
}
if mirror.RsyncURL != "" {
mirror.RsyncURL = utils.NormalizeURL(mirror.RsyncURL)
}
if mirror.FtpURL != "" {
mirror.FtpURL = utils.NormalizeURL(mirror.FtpURL)
}
mirror.Comment = comment
// Save the values back into redis
_, err = conn.Do("HMSET", key,
"ID", id,
"http", mirror.HttpURL,
"rsync", mirror.RsyncURL,
"ftp", mirror.FtpURL,
"sponsorName", mirror.SponsorName,
"sponsorURL", mirror.SponsorURL,
"sponsorLogo", mirror.SponsorLogoURL,
"adminName", mirror.AdminName,
"adminEmail", mirror.AdminEmail,
"customData", mirror.CustomData,
"continentOnly", mirror.ContinentOnly,
"countryOnly", mirror.CountryOnly,
"asOnly", mirror.ASOnly,
"score", mirror.Score,
"latitude", mirror.Latitude,
"longitude", mirror.Longitude,
"continentCode", mirror.ContinentCode,
"countryCodes", mirror.CountryCodes,
"asnum", mirror.Asnum,
"comment", mirror.Comment,
"enabled", mirror.Enabled)
if err != nil {
log.Fatal("Couldn't save the configuration into redis:", err)
}
// Publish update
database.Publish(conn, database.MIRROR_UPDATE, id)
fmt.Println("Mirror edited successfully")
return nil
}
func (c *cli) CmdRemove(args ...string) error {
cmd := SubCmd("remove", "IDENTIFIER", "Remove an existing mirror")
if err := cmd.Parse(args); err != nil {
return nil
}
if cmd.NArg() != 1 {
cmd.Usage()
return nil
}
// Guess which mirror to use
list, err := c.matchMirror(cmd.Arg(0))
if err != nil {
return err
}
if len(list) == 0 {
fmt.Fprintf(os.Stderr, "No match for %s\n", cmd.Arg(0))
return nil
} else if len(list) > 1 {
for _, e := range list {
fmt.Fprintf(os.Stderr, "%s\n", e)
}
return nil
}
identifier := list[0]
r := database.NewRedis()
conn, err := r.Connect()
if err != nil {
log.Fatal("Redis: ", err)
}
defer conn.Close()
// First disable the mirror
mirrors.DisableMirror(r, identifier)
// Get all files supported by the given mirror
files, err := redis.Strings(conn.Do("SMEMBERS", fmt.Sprintf("MIRROR_%s_FILES", identifier)))
if err != nil {
log.Fatal("Error: Cannot fetch file list: ", err)
}
conn.Send("MULTI")
// Remove each FILEINFO / FILEMIRRORS
for _, file := range files {
conn.Send("DEL", fmt.Sprintf("FILEINFO_%s_%s", identifier, file))
conn.Send("SREM", fmt.Sprintf("FILEMIRRORS_%s", file), identifier)
conn.Send("PUBLISH", database.MIRROR_FILE_UPDATE, fmt.Sprintf("%s %s", identifier, file))
}
_, err = conn.Do("EXEC")
if err != nil {
log.Fatal("Error: FILEINFO/FILEMIRRORS keys could not be removed: ", err)
}
// Remove all other keys
_, err = conn.Do("DEL",
fmt.Sprintf("MIRROR_%s", identifier),
fmt.Sprintf("MIRROR_%s_FILES", identifier),
fmt.Sprintf("MIRROR_%s_FILES_TMP", identifier),
fmt.Sprintf("HANDLEDFILES_%s", identifier),
fmt.Sprintf("SCANNING_%s", identifier))
if err != nil {
log.Fatal("Error: MIRROR keys could not be removed: ", err)
}
// Remove the last reference
_, err = conn.Do("LREM", "MIRRORS", 0, identifier)
if err != nil {
log.Fatal("Error: Could not remove the reference from key MIRRORS")
}
// Publish update
database.Publish(conn, database.MIRROR_UPDATE, identifier)
fmt.Println("Mirror removed successfully")
return nil
}
func (c *cli) CmdAdd(args ...string) error {
cmd := SubCmd("add", "[OPTIONS] IDENTIFIER", "Add a new mirror")
http := cmd.String("http", "", "HTTP base URL")
rsync := cmd.String("rsync", "", "RSYNC base URL (for scanning only)")
ftp := cmd.String("ftp", "", "FTP base URL (for scanning only)")
sponsorName := cmd.String("sponsor-name", "", "Name of the sponsor")
sponsorURL := cmd.String("sponsor-url", "", "URL of the sponsor")
sponsorLogo := cmd.String("sponsor-logo", "", "URL of a logo to display for this mirror")
adminName := cmd.String("admin-name", "", "Admin's name")
adminEmail := cmd.String("admin-email", "", "Admin's email")
customData := cmd.String("custom-data", "", "Associated data to return when the mirror is selected (i.e. json document)")
continentOnly := cmd.Bool("continent-only", false, "The mirror should only handle its continent")
countryOnly := cmd.Bool("country-only", false, "The mirror should only handle its country")
asOnly := cmd.Bool("as-only", false, "The mirror should only handle clients in the same AS number")
score := cmd.Int("score", 0, "Weight to give to the mirror during selection")
comment := cmd.String("comment", "", "Comment")
if err := cmd.Parse(args); err != nil {
return nil
}
if cmd.NArg() < 1 {
cmd.Usage()
return nil
}
if strings.Contains(cmd.Arg(0), " ") {
fmt.Fprintf(os.Stderr, "The identifier cannot contain a space\n")
os.Exit(-1)
}
if *http == "" {
fmt.Fprintf(os.Stderr, "You *must* pass at least an HTTP URL\n")
os.Exit(-1)
}
if !strings.HasPrefix(*http, "http://") && !strings.HasPrefix(*http, "https://") {
*http = "http://" + *http
}
u, err := url.Parse(*http)
if err != nil {
fmt.Fprintf(os.Stderr, "Can't parse HTTP url\n")
os.Exit(-1)
}
ip, err := network.LookupMirrorIP(u.Host)
if err == network.ErrMultipleAddresses {
fmt.Fprintf(os.Stderr, "Warning: the hostname returned more than one address! This is highly unreliable.\n")
} else if err != nil {
log.Fatal("IP lookup failed: ", err.Error())
}
geo := network.NewGeoIP()
if err := geo.LoadGeoIP(); err != nil {
log.Fatal(err.Error())
}
geoRec := geo.GetRecord(ip)
r := database.NewRedis()
conn, err := r.Connect()
if err != nil {
log.Fatal("Redis: ", err)
}
defer conn.Close()
key := fmt.Sprintf("MIRROR_%s", cmd.Arg(0))
exists, err := redis.Bool(conn.Do("EXISTS", key))
if err != nil {
return err
}
if exists {
fmt.Fprintf(os.Stderr, "Mirror %s already exists!\n", cmd.Arg(0))
os.Exit(-1)
}
// Normalize the URLs
if http != nil {
*http = utils.NormalizeURL(*http)
}
if rsync != nil {
*rsync = utils.NormalizeURL(*rsync)
}
if ftp != nil {
*ftp = utils.NormalizeURL(*ftp)
}
var latitude, longitude float32
var continentCode, countryCode string
if geoRec.GeoIPRecord != nil {
latitude = geoRec.GeoIPRecord.Latitude
longitude = geoRec.GeoIPRecord.Longitude
continentCode = geoRec.GeoIPRecord.ContinentCode
countryCode = geoRec.GeoIPRecord.CountryCode
} else {
fmt.Fprintf(os.Stderr, "Warning: unable to guess the geographic location of %s\n", cmd.Arg(0))
}
_, err = conn.Do("HMSET", key,
"ID", cmd.Arg(0),
"http", *http,
"rsync", *rsync,
"ftp", *ftp,
"sponsorName", *sponsorName,
"sponsorURL", *sponsorURL,
"sponsorLogo", *sponsorLogo,
"adminName", *adminName,
"adminEmail", *adminEmail,
"customData", *customData,
"continentOnly", *continentOnly,
"countryOnly", *countryOnly,
"asOnly", *asOnly,
"score", *score,
"latitude", fmt.Sprintf("%f", latitude),
"longitude", fmt.Sprintf("%f", longitude),
"continentCode", continentCode,
"countryCodes", countryCode,
"asnum", geoRec.ASNum,
"comment", strings.TrimSpace(*comment),
"enabled", false,
"up", false)
if err != nil {
goto oops
}
_, err = conn.Do("LPUSH", "MIRRORS", cmd.Arg(0))
if err != nil {
goto oops
}
// Publish update
database.Publish(conn, database.MIRROR_UPDATE, cmd.Arg(0))
fmt.Println("Mirror added successfully")
return nil
oops:
fmt.Fprintf(os.Stderr, "Oops: %s", err)
os.Exit(-1)
return nil
}