// Init initializes a new swarm cluster.
func (d *SwarmDaemon) Init(autoAccept map[string]bool, secret string) error {
req := swarm.InitRequest{
ListenAddr: d.listenAddr,
}
for _, role := range []swarm.NodeRole{swarm.NodeRoleManager, swarm.NodeRoleWorker} {
policy := swarm.Policy{
Role: role,
Autoaccept: autoAccept[strings.ToLower(string(role))],
}
if secret != "" {
policy.Secret = &secret
}
req.Spec.AcceptancePolicy.Policies = append(req.Spec.AcceptancePolicy.Policies, policy)
}
status, out, err := d.SockRequest("POST", "/swarm/init", req)
if status != http.StatusOK {
return fmt.Errorf("initializing swarm: invalid statuscode %v, %q", status, out)
}
if err != nil {
return fmt.Errorf("initializing swarm: %v", err)
}
info, err := d.info()
if err != nil {
return err
}
d.Info = info
return nil
}
// SwarmFromGRPC converts a grpc Cluster to a Swarm.
func SwarmFromGRPC(c swarmapi.Cluster) types.Swarm {
swarm := types.Swarm{
ID: c.ID,
Spec: types.Spec{
Orchestration: types.OrchestrationConfig{
TaskHistoryRetentionLimit: c.Spec.Orchestration.TaskHistoryRetentionLimit,
},
Raft: types.RaftConfig{
SnapshotInterval: c.Spec.Raft.SnapshotInterval,
KeepOldSnapshots: c.Spec.Raft.KeepOldSnapshots,
LogEntriesForSlowFollowers: c.Spec.Raft.LogEntriesForSlowFollowers,
HeartbeatTick: c.Spec.Raft.HeartbeatTick,
ElectionTick: c.Spec.Raft.ElectionTick,
},
},
}
heartbeatPeriod, _ := ptypes.Duration(c.Spec.Dispatcher.HeartbeatPeriod)
swarm.Spec.Dispatcher.HeartbeatPeriod = uint64(heartbeatPeriod)
swarm.Spec.CAConfig.NodeCertExpiry, _ = ptypes.Duration(c.Spec.CAConfig.NodeCertExpiry)
for _, ca := range c.Spec.CAConfig.ExternalCAs {
swarm.Spec.CAConfig.ExternalCAs = append(swarm.Spec.CAConfig.ExternalCAs, &types.ExternalCA{
Protocol: types.ExternalCAProtocol(strings.ToLower(ca.Protocol.String())),
URL: ca.URL,
Options: ca.Options,
})
}
// Meta
swarm.Version.Index = c.Meta.Version.Index
swarm.CreatedAt, _ = ptypes.Timestamp(c.Meta.CreatedAt)
swarm.UpdatedAt, _ = ptypes.Timestamp(c.Meta.UpdatedAt)
// Annotations
swarm.Spec.Name = c.Spec.Annotations.Name
swarm.Spec.Labels = c.Spec.Annotations.Labels
for _, policy := range c.Spec.AcceptancePolicy.Policies {
p := types.Policy{
Role: types.NodeRole(strings.ToLower(policy.Role.String())),
Autoaccept: policy.Autoaccept,
}
if policy.Secret != nil {
secret := string(policy.Secret.Data)
p.Secret = &secret
}
swarm.Spec.AcceptancePolicy.Policies = append(swarm.Spec.AcceptancePolicy.Policies, p)
}
return swarm
}