func NewProxy(c Config) (*Proxy, error) {
p := &Proxy{
Config: c,
waiters: make(map[*http.Request]*wait),
attachJobs: make(map[string]*attachJob),
quit: make(chan struct{}),
}
if err := p.TLSConfig.LoadCerts(); err != nil {
Log.Fatalf("Could not configure tls for proxy: %s", err)
}
// We pin the protocol version to 1.18 (which corresponds to
// Docker 1.6.x; the earliest version supported by weave) in order
// to insulate ourselves from breaking changes to the API, as
// happened in 1.20 (Docker 1.8.0) when the presentation of
// volumes changed in `inspect`.
client, err := weavedocker.NewVersionedClient(c.DockerHost, "1.18")
if err != nil {
return nil, err
}
Log.Info(client.Info())
p.client = client.Client
if !p.WithoutDNS {
netDevs, err := GetBridgeNetDev(c.ProcPath, c.DockerBridge)
if err != nil {
return nil, err
}
if len(netDevs) != 1 || len(netDevs[0].CIDRs) != 1 {
return nil, fmt.Errorf("Could not obtain address of %s", c.DockerBridge)
}
p.dockerBridgeIP = netDevs[0].CIDRs[0].IP.String()
}
p.hostnameMatchRegexp, err = regexp.Compile(c.HostnameMatch)
if err != nil {
err := fmt.Errorf("Incorrect hostname match '%s': %s", c.HostnameMatch, err.Error())
return nil, err
}
if err = p.findWeaveWaitVolumes(); err != nil {
return nil, err
}
client.AddObserver(p)
return p, nil
}
func NewProxy(c Config) (*Proxy, error) {
p := &Proxy{Config: c, waiters: make(map[*http.Request]*wait)}
if err := p.TLSConfig.LoadCerts(); err != nil {
Log.Fatalf("Could not configure tls for proxy: %s", err)
}
// We pin the protocol version to 1.18 (which corresponds to
// Docker 1.6.x; the earliest version supported by weave) in order
// to insulate ourselves from breaking changes to the API, as
// happened in 1.20 (Docker 1.8.0) when the presentation of
// volumes changed in `inspect`.
client, err := weavedocker.NewVersionedClient(c.DockerHost, "1.18")
if err != nil {
return nil, err
}
Log.Info(client.Info())
p.client = client.Client
if !p.WithoutDNS {
dockerBridgeIP, stderr, err := callWeave("docker-bridge-ip")
if err != nil {
return nil, fmt.Errorf(string(stderr))
}
p.dockerBridgeIP = string(dockerBridgeIP)
}
p.hostnameMatchRegexp, err = regexp.Compile(c.HostnameMatch)
if err != nil {
err := fmt.Errorf("Incorrect hostname match '%s': %s", c.HostnameMatch, err.Error())
return nil, err
}
if err = p.findWeaveWaitVolumes(); err != nil {
return nil, err
}
client.AddObserver(p)
return p, nil
}