예제 #1
0
파일: upstream.go 프로젝트: Makpoc/caddy
func parseBlock(c *caddyfile.Dispenser, u *staticUpstream) error {
	switch c.Val() {
	case "policy":
		if !c.NextArg() {
			return c.ArgErr()
		}
		policyCreateFunc, ok := supportedPolicies[c.Val()]
		if !ok {
			return c.ArgErr()
		}
		u.Policy = policyCreateFunc()
	case "fail_timeout":
		if !c.NextArg() {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(c.Val())
		if err != nil {
			return err
		}
		u.FailTimeout = dur
	case "max_fails":
		if !c.NextArg() {
			return c.ArgErr()
		}
		n, err := strconv.Atoi(c.Val())
		if err != nil {
			return err
		}
		if n < 1 {
			return c.Err("max_fails must be at least 1")
		}
		u.MaxFails = int32(n)
	case "try_duration":
		if !c.NextArg() {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(c.Val())
		if err != nil {
			return err
		}
		u.TryDuration = dur
	case "try_interval":
		if !c.NextArg() {
			return c.ArgErr()
		}
		interval, err := time.ParseDuration(c.Val())
		if err != nil {
			return err
		}
		u.TryInterval = interval
	case "max_conns":
		if !c.NextArg() {
			return c.ArgErr()
		}
		n, err := strconv.ParseInt(c.Val(), 10, 64)
		if err != nil {
			return err
		}
		u.MaxConns = n
	case "health_check":
		if !c.NextArg() {
			return c.ArgErr()
		}
		u.HealthCheck.Path = c.Val()

		// Set defaults
		if u.HealthCheck.Interval == 0 {
			u.HealthCheck.Interval = 30 * time.Second
		}
		if u.HealthCheck.Timeout == 0 {
			u.HealthCheck.Timeout = 60 * time.Second
		}
	case "health_check_interval":
		var interval string
		if !c.Args(&interval) {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(interval)
		if err != nil {
			return err
		}
		u.HealthCheck.Interval = dur
	case "health_check_timeout":
		var interval string
		if !c.Args(&interval) {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(interval)
		if err != nil {
			return err
		}
		u.HealthCheck.Timeout = dur
	case "proxy_header": // TODO: deprecate this shortly after 0.9
		if !warnedProxyHeaderDeprecation {
			fmt.Println("WARNING: proxy_header is deprecated and will be removed soon; use header_upstream instead.")
			warnedProxyHeaderDeprecation = true
		}
		fallthrough
	case "header_upstream":
		var header, value string
		if !c.Args(&header, &value) {
			return c.ArgErr()
		}
		u.upstreamHeaders.Add(header, value)
	case "header_downstream":
		var header, value string
		if !c.Args(&header, &value) {
			return c.ArgErr()
		}
		u.downstreamHeaders.Add(header, value)
	case "transparent":
		u.upstreamHeaders.Add("Host", "{host}")
		u.upstreamHeaders.Add("X-Real-IP", "{remote}")
		u.upstreamHeaders.Add("X-Forwarded-For", "{remote}")
		u.upstreamHeaders.Add("X-Forwarded-Proto", "{scheme}")
	case "websocket":
		u.upstreamHeaders.Add("Connection", "{>Connection}")
		u.upstreamHeaders.Add("Upgrade", "{>Upgrade}")
	case "without":
		if !c.NextArg() {
			return c.ArgErr()
		}
		u.WithoutPathPrefix = c.Val()
	case "except":
		ignoredPaths := c.RemainingArgs()
		if len(ignoredPaths) == 0 {
			return c.ArgErr()
		}
		u.IgnoredSubPaths = ignoredPaths
	case "insecure_skip_verify":
		u.insecureSkipVerify = true
	case "keepalive":
		if !c.NextArg() {
			return c.ArgErr()
		}
		n, err := strconv.Atoi(c.Val())
		if err != nil {
			return err
		}
		if n < 0 {
			return c.ArgErr()
		}
		u.KeepAlive = n
	default:
		return c.Errf("unknown property '%s'", c.Val())
	}
	return nil
}
예제 #2
0
func parseBlock(c *caddyfile.Dispenser, u *staticUpstream) error {
	switch c.Val() {
	case "policy":
		if !c.NextArg() {
			return c.ArgErr()
		}
		policyCreateFunc, ok := supportedPolicies[c.Val()]
		if !ok {
			return c.ArgErr()
		}
		u.Policy = policyCreateFunc()
	case "fail_timeout":
		if !c.NextArg() {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(c.Val())
		if err != nil {
			return err
		}
		u.FailTimeout = dur
	case "max_fails":
		if !c.NextArg() {
			return c.ArgErr()
		}
		n, err := strconv.Atoi(c.Val())
		if err != nil {
			return err
		}
		u.MaxFails = int32(n)
	case "max_conns":
		if !c.NextArg() {
			return c.ArgErr()
		}
		n, err := strconv.ParseInt(c.Val(), 10, 64)
		if err != nil {
			return err
		}
		u.MaxConns = n
	case "health_check":
		if !c.NextArg() {
			return c.ArgErr()
		}
		u.HealthCheck.Path = c.Val()

		// Set defaults
		if u.HealthCheck.Interval == 0 {
			u.HealthCheck.Interval = 30 * time.Second
		}
		if u.HealthCheck.Timeout == 0 {
			u.HealthCheck.Timeout = 60 * time.Second
		}
	case "health_check_interval":
		var interval string
		if !c.Args(&interval) {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(interval)
		if err != nil {
			return err
		}
		u.HealthCheck.Interval = dur
	case "health_check_timeout":
		var interval string
		if !c.Args(&interval) {
			return c.ArgErr()
		}
		dur, err := time.ParseDuration(interval)
		if err != nil {
			return err
		}
		u.HealthCheck.Timeout = dur
	case "header_upstream":
		fallthrough
	case "proxy_header":
		var header, value string
		if !c.Args(&header, &value) {
			return c.ArgErr()
		}
		u.upstreamHeaders.Add(header, value)
	case "header_downstream":
		var header, value string
		if !c.Args(&header, &value) {
			return c.ArgErr()
		}
		u.downstreamHeaders.Add(header, value)
	case "transparent":
		u.upstreamHeaders.Add("Host", "{host}")
		u.upstreamHeaders.Add("X-Real-IP", "{remote}")
		u.upstreamHeaders.Add("X-Forwarded-Proto", "{scheme}")
	case "websocket":
		u.upstreamHeaders.Add("Connection", "{>Connection}")
		u.upstreamHeaders.Add("Upgrade", "{>Upgrade}")
	case "without":
		if !c.NextArg() {
			return c.ArgErr()
		}
		u.WithoutPathPrefix = c.Val()
	case "except":
		ignoredPaths := c.RemainingArgs()
		if len(ignoredPaths) == 0 {
			return c.ArgErr()
		}
		u.IgnoredSubPaths = ignoredPaths
	case "insecure_skip_verify":
		u.insecureSkipVerify = true
	default:
		return c.Errf("unknown property '%s'", c.Val())
	}
	return nil
}