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|
package main
import (
"bytes"
"errors"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
"time"
)
type domains map[string]*domain
type domainsUpdater func(domains domains)
func (d domains) addDomain(rootDomain, group, project string, config *domainConfig) error {
newDomain := &domain{
Group: group,
Project: project,
Config: config,
}
var domainName string
if config != nil {
domainName = config.Domain
} else {
domainName = group + "." + rootDomain
}
domainName = strings.ToLower(domainName)
d[domainName] = newDomain
return nil
}
func (d domains) readProjectConfig(rootDomain, group, project string) (err error) {
var config domainsConfig
err = config.Read(group, project)
if err != nil {
return
}
for _, domainConfig := range config.Domains {
if domainConfig.Valid(rootDomain) {
d.addDomain(rootDomain, group, project, &domainConfig)
}
}
return
}
func (d domains) readProject(rootDomain, group, project string) error {
if strings.HasPrefix(project, ".") {
return errors.New("hidden project")
}
// Ignore projects that have .deleted in name
if strings.HasSuffix(project, ".deleted") {
return errors.New("deleted project")
}
_, err := os.Lstat(filepath.Join(group, project, "public"))
if err != nil {
return errors.New("missing public/ in project")
}
d.readProjectConfig(rootDomain, group, project)
return nil
}
func (d domains) readProjects(rootDomain, group string) (count int) {
projects, err := os.Open(group)
if err != nil {
return
}
defer projects.Close()
fis, err := projects.Readdir(0)
if err != nil {
log.Println("Failed to Readdir for ", group, ":", err)
}
for _, project := range fis {
// Ignore non directories
if !project.IsDir() {
continue
}
err := d.readProject(rootDomain, group, project.Name())
if err == nil {
count++
}
}
return
}
func (d domains) ReadGroups(rootDomain string) error {
groups, err := os.Open(".")
if err != nil {
return err
}
defer groups.Close()
fis, err := groups.Readdir(0)
if err != nil {
log.Println("Failed to Readdir for .:", err)
}
for _, group := range fis {
if !group.IsDir() {
continue
}
if strings.HasPrefix(group.Name(), ".") {
continue
}
count := d.readProjects(rootDomain, group.Name())
if count > 0 {
d.addDomain(rootDomain, group.Name(), "", nil)
}
}
return nil
}
func watchDomains(rootDomain string, updater domainsUpdater, interval time.Duration) {
lastUpdate := []byte("no-update")
for {
update, err := ioutil.ReadFile(".update")
if bytes.Equal(lastUpdate, update) {
if err != nil {
log.Println("Failed to read update timestamp:", err)
time.Sleep(interval)
}
continue
}
lastUpdate = update
started := time.Now()
domains := make(domains)
domains.ReadGroups(rootDomain)
duration := time.Since(started)
log.Println("Updated", len(domains), "domains in", duration, "Hash:", update)
if updater != nil {
updater(domains)
}
time.Sleep(interval)
}
}
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