Exemple #1
0
// constructBlock recursively processes tokens into a
// JSON-encodable structure. To be used in a directive's
// block. Goes to end of block.
func constructBlock(d *parse.Dispenser) [][]interface{} {
	block := [][]interface{}{}

	for d.Next() {
		if d.Val() == "}" {
			break
		}
		block = append(block, constructLine(d))
	}

	return block
}
Exemple #2
0
// constructLine transforms tokens into a JSON-encodable structure;
// but only one line at a time, to be used at the top-level of
// a server block only (where the first token on each line is a
// directive) - not to be used at any other nesting level.
func constructLine(d parse.Dispenser) interface{} {
	var args []interface{}

	all := d.RemainingArgs()
	for _, arg := range all {
		args = append(args, arg)
	}

	d.Next()
	if d.Val() == "{" {
		args = append(args, constructBlock(d))
	}

	return args
}
Exemple #3
0
// constructLine transforms tokens into a JSON-encodable structure;
// but only one line at a time, to be used at the top-level of
// a server block only (where the first token on each line is a
// directive) - not to be used at any other nesting level.
func constructLine(d *parse.Dispenser) []interface{} {
	var args []interface{}

	args = append(args, d.Val())

	for d.NextArg() {
		if d.Val() == "{" {
			args = append(args, constructBlock(d))
			continue
		}
		args = append(args, d.Val())
	}

	return args
}
Exemple #4
0
// constructBlock recursively processes tokens into a
// JSON-encodable structure.
func constructBlock(d parse.Dispenser) interface{} {
	block := make(map[string]interface{})

	for d.Next() {
		if d.Val() == "}" {
			break
		}

		dir := d.Val()
		all := d.RemainingArgs()

		var args []interface{}
		for _, arg := range all {
			args = append(args, arg)
		}
		if d.Val() == "{" {
			args = append(args, constructBlock(d))
		}

		block[dir] = args
	}

	return block
}
Exemple #5
0
func parseBlock(c *parse.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 "health_check":
		if !c.NextArg() {
			return c.ArgErr()
		}
		u.HealthCheck.Path = c.Val()
		u.HealthCheck.Interval = 30 * time.Second
		if c.NextArg() {
			dur, err := time.ParseDuration(c.Val())
			if err != nil {
				return err
			}
			u.HealthCheck.Interval = dur
		}
	case "proxy_header":
		var header, value string
		if !c.Args(&header, &value) {
			return c.ArgErr()
		}
		u.proxyHeaders.Add(header, value)
	case "hide_header":
		var header, value string
		if !c.Args(&header, &value) {
			return c.ArgErr()
		}
		u.hiddenHeaders.Add(header, value)
	case "websocket":
		u.proxyHeaders.Add("Connection", "{>Connection}")
		u.proxyHeaders.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
}