config

type APIConfig struct {
	ListenAddr                    string `yaml:"listen" envconfig:"API_LISTEN"`
	EnableMetrics                 bool   `yaml:"enable_metrics" envconfig:"API_ENABLE_METRICS"`
	EnablePprof                   bool   `yaml:"enable_pprof" envconfig:"API_ENABLE_PPROF"`
	Username                      string `yaml:"username" envconfig:"API_USERNAME"`
	Password                      string `yaml:"password" envconfig:"API_PASSWORD"`
	Secure                        bool   `yaml:"secure" envconfig:"API_SECURE"`
	CertificateFile               string `yaml:"certificate_file" envconfig:"API_CERTIFICATE_FILE"`
	PrivateKeyFile                string `yaml:"private_key_file" envconfig:"API_PRIVATE_KEY_FILE"`
	CAKeyFile                     string `yaml:"ca_cert_file" envconfig:"API_CA_KEY_FILE"`
	CACertFile                    string `yaml:"ca_key_file" envconfig:"API_CA_CERT_FILE"`
	CreateIntegrationTables       bool   `yaml:"create_integration_tables" envconfig:"API_CREATE_INTEGRATION_TABLES"`
	IntegrationTablesHost         string `yaml:"integration_tables_host" envconfig:"API_INTEGRATION_TABLES_HOST"`
	AllowParallel                 bool   `yaml:"allow_parallel" envconfig:"API_ALLOW_PARALLEL"`
	CompleteResumableAfterRestart bool   `yaml:"complete_resumable_after_restart" envconfig:"API_COMPLETE_RESUMABLE_AFTER_RESTART"`
	WatchIsMainProcess            bool   `yaml:"watch_is_main_process" envconfig:"WATCH_IS_MAIN_PROCESS"`
}

type AzureBlobConfig struct {
	EndpointSchema        string `yaml:"endpoint_schema" envconfig:"AZBLOB_ENDPOINT_SCHEMA"`
	EndpointSuffix        string `yaml:"endpoint_suffix" envconfig:"AZBLOB_ENDPOINT_SUFFIX"`
	AccountName           string `yaml:"account_name" envconfig:"AZBLOB_ACCOUNT_NAME"`
	AccountKey            string `yaml:"account_key" envconfig:"AZBLOB_ACCOUNT_KEY"`
	SharedAccessSignature string `yaml:"sas" envconfig:"AZBLOB_SAS"`
	UseManagedIdentity    bool   `yaml:"use_managed_identity" envconfig:"AZBLOB_USE_MANAGED_IDENTITY"`
	Container             string `yaml:"container" envconfig:"AZBLOB_CONTAINER"`
	Path                  string `yaml:"path" envconfig:"AZBLOB_PATH"`
	ObjectDiskPath        string `yaml:"object_disk_path" envconfig:"AZBLOB_OBJECT_DISK_PATH"`
	CompressionLevel      int    `yaml:"compression_level" envconfig:"AZBLOB_COMPRESSION_LEVEL"`
	CompressionFormat     string `yaml:"compression_format" envconfig:"AZBLOB_COMPRESSION_FORMAT"`
	SSEKey                string `yaml:"sse_key" envconfig:"AZBLOB_SSE_KEY"`
	BufferSize            int    `yaml:"buffer_size" envconfig:"AZBLOB_BUFFER_SIZE"`
	MaxBuffers            int    `yaml:"buffer_count" envconfig:"AZBLOB_MAX_BUFFERS"`
	MaxPartsCount         int    `yaml:"max_parts_count" envconfig:"AZBLOB_MAX_PARTS_COUNT"`
	Timeout               string `yaml:"timeout" envconfig:"AZBLOB_TIMEOUT"`
	Debug                 bool   `yaml:"debug" envconfig:"AZBLOB_DEBUG"`
}

type COSConfig struct {
	RowURL            string `yaml:"url" envconfig:"COS_URL"`
	Timeout           string `yaml:"timeout" envconfig:"COS_TIMEOUT"`
	SecretID          string `yaml:"secret_id" envconfig:"COS_SECRET_ID"`
	SecretKey         string `yaml:"secret_key" envconfig:"COS_SECRET_KEY"`
	Path              string `yaml:"path" envconfig:"COS_PATH"`
	ObjectDiskPath    string `yaml:"object_disk_path" envconfig:"COS_OBJECT_DISK_PATH"`
	CompressionFormat string `yaml:"compression_format" envconfig:"COS_COMPRESSION_FORMAT"`
	CompressionLevel  int    `yaml:"compression_level" envconfig:"COS_COMPRESSION_LEVEL"`
	Debug             bool   `yaml:"debug" envconfig:"COS_DEBUG"`
}

type ClickHouseConfig struct {
	Username                         string            `yaml:"username" envconfig:"CLICKHOUSE_USERNAME"`
	Password                         string            `yaml:"password" envconfig:"CLICKHOUSE_PASSWORD"`
	Host                             string            `yaml:"host" envconfig:"CLICKHOUSE_HOST"`
	Port                             uint              `yaml:"port" envconfig:"CLICKHOUSE_PORT"`
	DiskMapping                      map[string]string `yaml:"disk_mapping" envconfig:"CLICKHOUSE_DISK_MAPPING"`
	SkipTables                       []string          `yaml:"skip_tables" envconfig:"CLICKHOUSE_SKIP_TABLES"`
	SkipTableEngines                 []string          `yaml:"skip_table_engines" envconfig:"CLICKHOUSE_SKIP_TABLE_ENGINES"`
	Timeout                          string            `yaml:"timeout" envconfig:"CLICKHOUSE_TIMEOUT"`
	FreezeByPart                     bool              `yaml:"freeze_by_part" envconfig:"CLICKHOUSE_FREEZE_BY_PART"`
	FreezeByPartWhere                string            `yaml:"freeze_by_part_where" envconfig:"CLICKHOUSE_FREEZE_BY_PART_WHERE"`
	UseEmbeddedBackupRestore         bool              `yaml:"use_embedded_backup_restore" envconfig:"CLICKHOUSE_USE_EMBEDDED_BACKUP_RESTORE"`
	EmbeddedBackupDisk               string            `yaml:"embedded_backup_disk" envconfig:"CLICKHOUSE_EMBEDDED_BACKUP_DISK"`
	BackupMutations                  bool              `yaml:"backup_mutations" envconfig:"CLICKHOUSE_BACKUP_MUTATIONS"`
	RestoreAsAttach                  bool              `yaml:"restore_as_attach" envconfig:"CLICKHOUSE_RESTORE_AS_ATTACH"`
	CheckPartsColumns                bool              `yaml:"check_parts_columns" envconfig:"CLICKHOUSE_CHECK_PARTS_COLUMNS"`
	Secure                           bool              `yaml:"secure" envconfig:"CLICKHOUSE_SECURE"`
	SkipVerify                       bool              `yaml:"skip_verify" envconfig:"CLICKHOUSE_SKIP_VERIFY"`
	SyncReplicatedTables             bool              `yaml:"sync_replicated_tables" envconfig:"CLICKHOUSE_SYNC_REPLICATED_TABLES"`
	LogSQLQueries                    bool              `yaml:"log_sql_queries" envconfig:"CLICKHOUSE_LOG_SQL_QUERIES"`
	ConfigDir                        string            `yaml:"config_dir" envconfig:"CLICKHOUSE_CONFIG_DIR"`
	RestartCommand                   string            `yaml:"restart_command" envconfig:"CLICKHOUSE_RESTART_COMMAND"`
	IgnoreNotExistsErrorDuringFreeze bool              `yaml:"ignore_not_exists_error_during_freeze" envconfig:"CLICKHOUSE_IGNORE_NOT_EXISTS_ERROR_DURING_FREEZE"`
	CheckReplicasBeforeAttach        bool              `yaml:"check_replicas_before_attach" envconfig:"CLICKHOUSE_CHECK_REPLICAS_BEFORE_ATTACH"`
	TLSKey                           string            `yaml:"tls_key" envconfig:"CLICKHOUSE_TLS_KEY"`
	TLSCert                          string            `yaml:"tls_cert" envconfig:"CLICKHOUSE_TLS_CERT"`
	TLSCa                            string            `yaml:"tls_ca" envconfig:"CLICKHOUSE_TLS_CA"`
	MaxConnections                   int               `yaml:"max_connections" envconfig:"CLICKHOUSE_MAX_CONNECTIONS"`
	Debug                            bool              `yaml:"debug" envconfig:"CLICKHOUSE_DEBUG"`
}

type Config struct {
	General    GeneralConfig    `yaml:"general" envconfig:"_"`
	ClickHouse ClickHouseConfig `yaml:"clickhouse" envconfig:"_"`
	S3         S3Config         `yaml:"s3" envconfig:"_"`
	GCS        GCSConfig        `yaml:"gcs" envconfig:"_"`
	COS        COSConfig        `yaml:"cos" envconfig:"_"`
	API        APIConfig        `yaml:"api" envconfig:"_"`
	FTP        FTPConfig        `yaml:"ftp" envconfig:"_"`
	SFTP       SFTPConfig       `yaml:"sftp" envconfig:"_"`
	AzureBlob  AzureBlobConfig  `yaml:"azblob" envconfig:"_"`
	Custom     CustomConfig     `yaml:"custom" envconfig:"_"`
}

type CustomConfig struct {
	UploadCommand          string `yaml:"upload_command" envconfig:"CUSTOM_UPLOAD_COMMAND"`
	DownloadCommand        string `yaml:"download_command" envconfig:"CUSTOM_DOWNLOAD_COMMAND"`
	ListCommand            string `yaml:"list_command" envconfig:"CUSTOM_LIST_COMMAND"`
	DeleteCommand          string `yaml:"delete_command" envconfig:"CUSTOM_DELETE_COMMAND"`
	CommandTimeout         string `yaml:"command_timeout" envconfig:"CUSTOM_COMMAND_TIMEOUT"`
	CommandTimeoutDuration time.Duration
}

type FTPConfig struct {
	Address           string `yaml:"address" envconfig:"FTP_ADDRESS"`
	Timeout           string `yaml:"timeout" envconfig:"FTP_TIMEOUT"`
	Username          string `yaml:"username" envconfig:"FTP_USERNAME"`
	Password          string `yaml:"password" envconfig:"FTP_PASSWORD"`
	TLS               bool   `yaml:"tls" envconfig:"FTP_TLS"`
	SkipTLSVerify     bool   `yaml:"skip_tls_verify" envconfig:"FTP_SKIP_TLS_VERIFY"`
	Path              string `yaml:"path" envconfig:"FTP_PATH"`
	ObjectDiskPath    string `yaml:"object_disk_path" envconfig:"FTP_OBJECT_DISK_PATH"`
	CompressionFormat string `yaml:"compression_format" envconfig:"FTP_COMPRESSION_FORMAT"`
	CompressionLevel  int    `yaml:"compression_level" envconfig:"FTP_COMPRESSION_LEVEL"`
	Concurrency       uint8  `yaml:"concurrency" envconfig:"FTP_CONCURRENCY"`
	Debug             bool   `yaml:"debug" envconfig:"FTP_DEBUG"`
}

type GCSConfig struct {
	CredentialsFile        string            `yaml:"credentials_file" envconfig:"GCS_CREDENTIALS_FILE"`
	CredentialsJSON        string            `yaml:"credentials_json" envconfig:"GCS_CREDENTIALS_JSON"`
	CredentialsJSONEncoded string            `yaml:"credentials_json_encoded" envconfig:"GCS_CREDENTIALS_JSON_ENCODED"`
	EmbeddedAccessKey      string            `yaml:"embedded_access_key" envconfig:"GCS_EMBEDDED_ACCESS_KEY"`
	EmbeddedSecretKey      string            `yaml:"embedded_secret_key" envconfig:"GCS_EMBEDDED_SECRET_KEY"`
	SkipCredentials        bool              `yaml:"skip_credentials" envconfig:"GCS_SKIP_CREDENTIALS"`
	Bucket                 string            `yaml:"bucket" envconfig:"GCS_BUCKET"`
	Path                   string            `yaml:"path" envconfig:"GCS_PATH"`
	ObjectDiskPath         string            `yaml:"object_disk_path" envconfig:"GCS_OBJECT_DISK_PATH"`
	CompressionLevel       int               `yaml:"compression_level" envconfig:"GCS_COMPRESSION_LEVEL"`
	CompressionFormat      string            `yaml:"compression_format" envconfig:"GCS_COMPRESSION_FORMAT"`
	Debug                  bool              `yaml:"debug" envconfig:"GCS_DEBUG"`
	ForceHttp              bool              `yaml:"force_http" envconfig:"GCS_FORCE_HTTP"`
	Endpoint               string            `yaml:"endpoint" envconfig:"GCS_ENDPOINT"`
	StorageClass           string            `yaml:"storage_class" envconfig:"GCS_STORAGE_CLASS"`
	ObjectLabels           map[string]string `yaml:"object_labels" envconfig:"GCS_OBJECT_LABELS"`
	CustomStorageClassMap  map[string]string `yaml:"custom_storage_class_map" envconfig:"GCS_CUSTOM_STORAGE_CLASS_MAP"`
	// NOTE: ClientPoolSize should be at least 2 times bigger than
	// 			UploadConcurrency or DownloadConcurrency in each upload and download case
	ClientPoolSize int `yaml:"client_pool_size" envconfig:"GCS_CLIENT_POOL_SIZE"`
	ChunkSize      int `yaml:"chunk_size" envconfig:"GCS_CHUNK_SIZE"`
}

type GeneralConfig struct {
	RemoteStorage                       string            `yaml:"remote_storage" envconfig:"REMOTE_STORAGE"`
	MaxFileSize                         int64             `yaml:"max_file_size" envconfig:"MAX_FILE_SIZE"`
	BackupsToKeepLocal                  int               `yaml:"backups_to_keep_local" envconfig:"BACKUPS_TO_KEEP_LOCAL"`
	BackupsToKeepRemote                 int               `yaml:"backups_to_keep_remote" envconfig:"BACKUPS_TO_KEEP_REMOTE"`
	LogLevel                            string            `yaml:"log_level" envconfig:"LOG_LEVEL"`
	AllowEmptyBackups                   bool              `yaml:"allow_empty_backups" envconfig:"ALLOW_EMPTY_BACKUPS"`
	DownloadConcurrency                 uint8             `yaml:"download_concurrency" envconfig:"DOWNLOAD_CONCURRENCY"`
	UploadConcurrency                   uint8             `yaml:"upload_concurrency" envconfig:"UPLOAD_CONCURRENCY"`
	UploadMaxBytesPerSecond             uint64            `yaml:"upload_max_bytes_per_second" envconfig:"UPLOAD_MAX_BYTES_PER_SECOND"`
	DownloadMaxBytesPerSecond           uint64            `yaml:"download_max_bytes_per_second" envconfig:"DOWNLOAD_MAX_BYTES_PER_SECOND"`
	ObjectDiskServerSideCopyConcurrency uint8             `yaml:"object_disk_server_side_copy_concurrency" envconfig:"OBJECT_DISK_SERVER_SIDE_COPY_CONCURRENCY"`
	AllowObjectDiskStreaming            bool              `yaml:"allow_object_disk_streaming" envconfig:"ALLOW_OBJECT_DISK_STREAMING"`
	UseResumableState                   bool              `yaml:"use_resumable_state" envconfig:"USE_RESUMABLE_STATE"`
	RestoreSchemaOnCluster              string            `yaml:"restore_schema_on_cluster" envconfig:"RESTORE_SCHEMA_ON_CLUSTER"`
	UploadByPart                        bool              `yaml:"upload_by_part" envconfig:"UPLOAD_BY_PART"`
	DownloadByPart                      bool              `yaml:"download_by_part" envconfig:"DOWNLOAD_BY_PART"`
	RestoreDatabaseMapping              map[string]string `yaml:"restore_database_mapping" envconfig:"RESTORE_DATABASE_MAPPING"`
	RestoreTableMapping                 map[string]string `yaml:"restore_table_mapping" envconfig:"RESTORE_TABLE_MAPPING"`
	RetriesOnFailure                    int               `yaml:"retries_on_failure" envconfig:"RETRIES_ON_FAILURE"`
	RetriesPause                        string            `yaml:"retries_pause" envconfig:"RETRIES_PAUSE"`
	WatchInterval                       string            `yaml:"watch_interval" envconfig:"WATCH_INTERVAL"`
	FullInterval                        string            `yaml:"full_interval" envconfig:"FULL_INTERVAL"`
	WatchBackupNameTemplate             string            `yaml:"watch_backup_name_template" envconfig:"WATCH_BACKUP_NAME_TEMPLATE"`
	ShardedOperationMode                string            `yaml:"sharded_operation_mode" envconfig:"SHARDED_OPERATION_MODE"`
	CPUNicePriority                     int               `yaml:"cpu_nice_priority" envconfig:"CPU_NICE_PRIORITY"`
	IONicePriority                      string            `yaml:"io_nice_priority" envconfig:"IO_NICE_PRIORITY"`
	RBACBackupAlways                    bool              `yaml:"rbac_backup_always" envconfig:"RBAC_BACKUP_ALWAYS"`
	RBACConflictResolution              string            `yaml:"rbac_conflict_resolution" envconfig:"RBAC_CONFLICT_RESOLUTION"`
	RetriesDuration                     time.Duration
	WatchDuration                       time.Duration
	FullDuration                        time.Duration
}

type S3Config struct {
	AccessKey               string            `yaml:"access_key" envconfig:"S3_ACCESS_KEY"`
	SecretKey               string            `yaml:"secret_key" envconfig:"S3_SECRET_KEY"`
	Bucket                  string            `yaml:"bucket" envconfig:"S3_BUCKET"`
	Endpoint                string            `yaml:"endpoint" envconfig:"S3_ENDPOINT"`
	Region                  string            `yaml:"region" envconfig:"S3_REGION"`
	ACL                     string            `yaml:"acl" envconfig:"S3_ACL"`
	AssumeRoleARN           string            `yaml:"assume_role_arn" envconfig:"S3_ASSUME_ROLE_ARN"`
	ForcePathStyle          bool              `yaml:"force_path_style" envconfig:"S3_FORCE_PATH_STYLE"`
	Path                    string            `yaml:"path" envconfig:"S3_PATH"`
	ObjectDiskPath          string            `yaml:"object_disk_path" envconfig:"S3_OBJECT_DISK_PATH"`
	DisableSSL              bool              `yaml:"disable_ssl" envconfig:"S3_DISABLE_SSL"`
	CompressionLevel        int               `yaml:"compression_level" envconfig:"S3_COMPRESSION_LEVEL"`
	CompressionFormat       string            `yaml:"compression_format" envconfig:"S3_COMPRESSION_FORMAT"`
	SSE                     string            `yaml:"sse" envconfig:"S3_SSE"`
	SSEKMSKeyId             string            `yaml:"sse_kms_key_id" envconfig:"S3_SSE_KMS_KEY_ID"`
	SSECustomerAlgorithm    string            `yaml:"sse_customer_algorithm" envconfig:"S3_SSE_CUSTOMER_ALGORITHM"`
	SSECustomerKey          string            `yaml:"sse_customer_key" envconfig:"S3_SSE_CUSTOMER_KEY"`
	SSECustomerKeyMD5       string            `yaml:"sse_customer_key_md5" envconfig:"S3_SSE_CUSTOMER_KEY_MD5"`
	SSEKMSEncryptionContext string            `yaml:"sse_kms_encryption_context" envconfig:"S3_SSE_KMS_ENCRYPTION_CONTEXT"`
	DisableCertVerification bool              `yaml:"disable_cert_verification" envconfig:"S3_DISABLE_CERT_VERIFICATION"`
	UseCustomStorageClass   bool              `yaml:"use_custom_storage_class" envconfig:"S3_USE_CUSTOM_STORAGE_CLASS"`
	StorageClass            string            `yaml:"storage_class" envconfig:"S3_STORAGE_CLASS"`
	CustomStorageClassMap   map[string]string `yaml:"custom_storage_class_map" envconfig:"S3_CUSTOM_STORAGE_CLASS_MAP"`
	Concurrency             int               `yaml:"concurrency" envconfig:"S3_CONCURRENCY"`
	PartSize                int64             `yaml:"part_size" envconfig:"S3_PART_SIZE"`
	MaxPartsCount           int64             `yaml:"max_parts_count" envconfig:"S3_MAX_PARTS_COUNT"`
	AllowMultipartDownload  bool              `yaml:"allow_multipart_download" envconfig:"S3_ALLOW_MULTIPART_DOWNLOAD"`
	ObjectLabels            map[string]string `yaml:"object_labels" envconfig:"S3_OBJECT_LABELS"`
	RequestPayer            string            `yaml:"request_payer" envconfig:"S3_REQUEST_PAYER"`
	CheckSumAlgorithm       string            `yaml:"check_sum_algorithm" envconfig:"S3_CHECKSUM_ALGORITHM"`
	Debug                   bool              `yaml:"debug" envconfig:"S3_DEBUG"`
}

type SFTPConfig struct {
	Address           string `yaml:"address" envconfig:"SFTP_ADDRESS"`
	Port              uint   `yaml:"port" envconfig:"SFTP_PORT"`
	Username          string `yaml:"username" envconfig:"SFTP_USERNAME"`
	Password          string `yaml:"password" envconfig:"SFTP_PASSWORD"`
	Key               string `yaml:"key" envconfig:"SFTP_KEY"`
	Path              string `yaml:"path" envconfig:"SFTP_PATH"`
	ObjectDiskPath    string `yaml:"object_disk_path" envconfig:"SFTP_OBJECT_DISK_PATH"`
	CompressionFormat string `yaml:"compression_format" envconfig:"SFTP_COMPRESSION_FORMAT"`
	CompressionLevel  int    `yaml:"compression_level" envconfig:"SFTP_COMPRESSION_LEVEL"`
	Concurrency       int    `yaml:"concurrency" envconfig:"SFTP_CONCURRENCY"`
	Debug             bool   `yaml:"debug" envconfig:"SFTP_DEBUG"`
}