Exemple #1
0
func getPeersFromDiscoveryURL(discoverURL string) ([]string, error) {
	if discoverURL == "" {
		return nil, nil
	}

	u, err := url.Parse(discoverURL)
	if err != nil {
		return nil, err
	}
	token := u.Path
	u.Path = ""
	c, err := client.NewHTTPClient(&http.Transport{}, []string{u.String()})
	if err != nil {
		return nil, err
	}
	dc := client.NewDiscoveryKeysAPI(c)

	ctx, cancel := context.WithTimeout(context.Background(), client.DefaultRequestTimeout)
	resp, err := dc.Get(ctx, token)
	cancel()
	if err != nil {
		return nil, err
	}
	peers := make([]string, 0)
	// append non-config keys to peers
	for _, n := range resp.Node.Nodes {
		if g := path.Base(n.Key); g == "_config" || g == "_state" {
			continue
		}
		peers = append(peers, n.Value)
	}
	return peers, nil
}
Exemple #2
0
func New(durl string, id uint64, config string) (Discoverer, error) {
	u, err := url.Parse(durl)
	if err != nil {
		return nil, err
	}
	token := u.Path
	u.Path = ""
	pf, err := proxyFuncFromEnv()
	if err != nil {
		return nil, err
	}
	c, err := client.NewDiscoveryKeysAPI(&http.Transport{Proxy: pf}, u.String(), client.DefaultRequestTimeout)
	if err != nil {
		return nil, err
	}
	return &discovery{
		cluster: token,
		id:      id,
		config:  config,
		c:       c,
		url:     u,
		clock:   clockwork.NewRealClock(),
	}, nil
}
Exemple #3
0
func newDiscovery(durl, dproxyurl string, id types.ID) (*discovery, error) {
	u, err := url.Parse(durl)
	if err != nil {
		return nil, err
	}
	token := u.Path
	u.Path = ""
	pf, err := newProxyFunc(dproxyurl)
	if err != nil {
		return nil, err
	}
	c, err := client.NewHTTPClient(&http.Transport{Proxy: pf}, []string{u.String()})
	if err != nil {
		return nil, err
	}
	dc := client.NewDiscoveryKeysAPI(c)
	return &discovery{
		cluster: token,
		c:       dc,
		id:      id,
		url:     u,
		clock:   clockwork.NewRealClock(),
	}, nil
}