// genLowLevelConfig returns a low-level config from a high-level config.
func genLowLevelConfig(conf *serverconfig.Config) (lowLevelConf *Config, err error) {
obj := jsonconfig.Obj{}
if conf.HTTPS {
if (conf.HTTPSCert != "") != (conf.HTTPSKey != "") {
return nil, errors.New("Must set both httpsCert and httpsKey (or neither to generate a self-signed cert)")
}
if conf.HTTPSCert != "" {
obj["httpsCert"] = conf.HTTPSCert
obj["httpsKey"] = conf.HTTPSKey
} else {
obj["httpsCert"] = osutil.DefaultTLSCert()
obj["httpsKey"] = osutil.DefaultTLSKey()
}
}
if conf.BaseURL != "" {
u, err := url.Parse(conf.BaseURL)
if err != nil {
return nil, fmt.Errorf("Error parsing baseURL %q as a URL: %v", conf.BaseURL, err)
}
if u.Path != "" && u.Path != "/" {
return nil, fmt.Errorf("baseURL can't have a path, only a scheme, host, and optional port.")
}
u.Path = ""
obj["baseURL"] = u.String()
}
if conf.Listen != "" {
obj["listen"] = conf.Listen
}
obj["https"] = conf.HTTPS
obj["auth"] = conf.Auth
username := ""
if conf.DBName == "" {
username = osutil.Username()
if username == "" {
return nil, fmt.Errorf("USER (USERNAME on windows) env var not set; needed to define dbname")
}
conf.DBName = "camli" + username
}
var indexerPath string
numIndexers := numSet(conf.Mongo, conf.MySQL, conf.PostgreSQL, conf.SQLite, conf.KVFile)
runIndex := conf.RunIndex.Get()
switch {
case runIndex && numIndexers == 0:
return nil, fmt.Errorf("Unless runIndex is set to false, you must specify an index option (kvIndexFile, mongo, mysql, postgres, sqlite).")
case runIndex && numIndexers != 1:
return nil, fmt.Errorf("With runIndex set true, you can only pick exactly one indexer (mongo, mysql, postgres, sqlite).")
case !runIndex && numIndexers != 0:
return nil, fmt.Errorf("With runIndex disabled, you can't specify any of mongo, mysql, postgres, sqlite.")
case conf.MySQL != "":
indexerPath = "/index-mysql/"
case conf.PostgreSQL != "":
indexerPath = "/index-postgres/"
case conf.Mongo != "":
indexerPath = "/index-mongo/"
case conf.SQLite != "":
indexerPath = "/index-sqlite/"
case conf.KVFile != "":
indexerPath = "/index-kv/"
}
entity, err := jsonsign.EntityFromSecring(conf.Identity, conf.IdentitySecretRing)
if err != nil {
return nil, err
}
armoredPublicKey, err := jsonsign.ArmoredPublicKey(entity)
if err != nil {
return nil, err
}
nolocaldisk := conf.BlobPath == ""
if nolocaldisk {
if conf.S3 == "" && conf.GoogleCloudStorage == "" {
return nil, errors.New("You need at least one of blobPath (for localdisk) or s3 or googlecloudstorage configured for a blobserver.")
}
if conf.S3 != "" && conf.GoogleCloudStorage != "" {
return nil, errors.New("Using S3 as a primary storage and Google Cloud Storage as a mirror is not supported for now.")
}
}
if conf.ShareHandler && conf.ShareHandlerPath == "" {
conf.ShareHandlerPath = "/share/"
}
prefixesParams := &configPrefixesParams{
secretRing: conf.IdentitySecretRing,
keyId: conf.Identity,
indexerPath: indexerPath,
blobPath: conf.BlobPath,
packBlobs: conf.PackBlobs,
searchOwner: blob.SHA1FromString(armoredPublicKey),
shareHandlerPath: conf.ShareHandlerPath,
flickr: conf.Flickr,
memoryIndex: conf.MemoryIndex.Get(),
}
prefixes := genLowLevelPrefixes(prefixesParams, conf.OwnerName)
var cacheDir string
if nolocaldisk {
// Whether camlistored is run from EC2 or not, we use
// a temp dir as the cache when primary storage is S3.
// TODO(mpl): s3CacheBucket
// See http://code.google.com/p/camlistore/issues/detail?id=85
cacheDir = filepath.Join(tempDir(), "camli-cache")
} else {
cacheDir = filepath.Join(conf.BlobPath, "cache")
}
if !noMkdir {
if err := os.MkdirAll(cacheDir, 0700); err != nil {
return nil, fmt.Errorf("Could not create blobs cache dir %s: %v", cacheDir, err)
}
}
published := []interface{}{}
if len(conf.Publish) > 0 {
if !runIndex {
return nil, fmt.Errorf("publishing requires an index")
}
published, err = addPublishedConfig(prefixes, conf.Publish, conf.SourceRoot)
if err != nil {
return nil, fmt.Errorf("Could not generate config for published: %v", err)
}
}
if runIndex {
addUIConfig(prefixesParams, prefixes, "/ui/", published, conf.SourceRoot)
}
if conf.MySQL != "" {
addMySQLConfig(prefixes, conf.DBName, conf.MySQL)
}
if conf.PostgreSQL != "" {
addPostgresConfig(prefixes, conf.DBName, conf.PostgreSQL)
}
if conf.Mongo != "" {
addMongoConfig(prefixes, conf.DBName, conf.Mongo)
}
if conf.SQLite != "" {
addSQLiteConfig(prefixes, conf.SQLite)
}
if conf.KVFile != "" {
addKVConfig(prefixes, conf.KVFile)
}
if conf.S3 != "" {
if err := addS3Config(prefixesParams, prefixes, conf.S3); err != nil {
return nil, err
}
}
if conf.GoogleDrive != "" {
if err := addGoogleDriveConfig(prefixes, conf.GoogleDrive); err != nil {
return nil, err
}
}
if conf.GoogleCloudStorage != "" {
if err := addGoogleCloudStorageConfig(prefixes, conf.GoogleCloudStorage); err != nil {
return nil, err
}
}
obj["prefixes"] = (map[string]interface{})(prefixes)
lowLevelConf = &Config{
Obj: obj,
}
return lowLevelConf, nil
}
