func getPeerName(deps service.ServiceDependencies, flags *service.ServiceFlags) (string, error) {
members, err := flags.GetClusterMembers(deps.Logger)
if err != nil {
return "", maskAny(err)
}
for _, member := range members {
if member.ClusterIP == flags.Network.ClusterIP {
name, err := util.WeaveNameFromMachineID(member.MachineID)
if err != nil {
return "", maskAny(err)
}
return name, nil
}
}
return "", nil
}
// SetupDefaults fills given flags with default value
func (flags *ServiceFlags) SetupDefaults(log *logging.Logger) error {
if flags.Docker.PrivateRegistryUrl == "" {
url, err := ioutil.ReadFile(privateRegistryUrlPath)
if err != nil && !os.IsNotExist(err) {
return maskAny(err)
} else if err == nil {
flags.Docker.PrivateRegistryUrl = string(url)
}
}
if flags.Fleet.Metadata == "" {
raw, err := ioutil.ReadFile(fleetMetadataPath)
if err != nil && !os.IsNotExist(err) {
return maskAny(err)
} else if err == nil {
lines := trimLines(strings.Split(string(raw), "\n"))
flags.Fleet.Metadata = strings.Join(lines, ",")
}
}
if flags.Etcd.ClusterState == "" {
raw, err := ioutil.ReadFile(etcdClusterStatePath)
if err != nil && !os.IsNotExist(err) {
return maskAny(err)
} else if err == nil {
lines := trimLines(strings.Split(string(raw), "\n"))
flags.Etcd.ClusterState = strings.TrimSpace(strings.Join(lines, " "))
}
}
if flags.Network.PrivateClusterDevice == "" {
flags.Network.PrivateClusterDevice = "eth1"
}
if flags.GluonImage == "" {
content, err := ioutil.ReadFile(gluonImagePath)
if err != nil && !os.IsNotExist(err) {
return maskAny(err)
} else if err == nil {
flags.GluonImage = strings.TrimSpace(string(content))
}
}
if flags.Weave.Seed == "" {
seed, err := ioutil.ReadFile(weaveSeedPath)
if err != nil && !os.IsNotExist(err) {
return maskAny(err)
} else if err == nil {
flags.Weave.Seed = string(seed)
} else {
members, err := flags.GetClusterMembers(log)
if err != nil {
return maskAny(err)
}
var seeds []string
for _, m := range members {
if !m.EtcdProxy {
name, err := util.WeaveNameFromMachineID(m.MachineID)
if err != nil {
return maskAny(err)
}
seeds = append(seeds, name)
}
}
flags.Weave.Seed = strings.Join(seeds, ",")
}
}
return nil
}