// CreateEndpoint creates an endpoint
func CreateEndpoint(stateDriver core.StateDriver, nwCfg *mastercfg.CfgNetworkState,
ep *intent.ConfigEP) (*mastercfg.CfgEndpointState, error) {
epCfg := &mastercfg.CfgEndpointState{}
epCfg.StateDriver = stateDriver
epCfg.ID = getEpName(nwCfg.ID, ep)
err := epCfg.Read(epCfg.ID)
if err == nil {
// TODO: check for diffs and possible updates
return epCfg, nil
}
epCfg.NetID = nwCfg.ID
epCfg.ContName = ep.Container
epCfg.AttachUUID = ep.AttachUUID
epCfg.HomingHost = ep.Host
epCfg.ServiceName = ep.ServiceName
// Allocate addresses
err = allocSetEpAddress(ep, epCfg, nwCfg)
if err != nil {
log.Errorf("error allocating and/or reserving IP. Error: %s", err)
return nil, err
}
// Set endpoint group
// Skip for infra nw
if nwCfg.NwType != "infra" {
epCfg.EndpointGroupKey = mastercfg.GetEndpointGroupKey(ep.ServiceName, nwCfg.Tenant)
epCfg.EndpointGroupID, err = mastercfg.GetEndpointGroupID(stateDriver, ep.ServiceName, nwCfg.Tenant)
if err != nil {
log.Errorf("Error getting endpoint group for %s.%s. Err: %v", ep.ServiceName, nwCfg.ID, err)
return nil, err
}
}
err = nwCfg.IncrEpCount()
if err != nil {
log.Errorf("Error incrementing ep count. Err: %v", err)
return nil, err
}
err = epCfg.Write()
if err != nil {
log.Errorf("error writing ep config. Error: %s", err)
return nil, err
}
return epCfg, nil
}
// PolicyAttach attaches a policy to an endpoint and adds associated rules to policyDB
func PolicyAttach(epg *contivModel.EndpointGroup, policy *contivModel.Policy) error {
// Dont install policies in ACI mode
if !isPolicyEnabled() {
return nil
}
epgpKey := epg.Key + ":" + policy.Key
// See if it already exists
gp := mastercfg.FindEpgPolicy(epgpKey)
if gp != nil {
log.Errorf("EPG policy %s already exists", epgpKey)
return EpgPolicyExists
}
stateDriver, err := utils.GetStateDriver()
if err != nil {
log.Errorf("Could not get StateDriver while attaching policy %+v", policy)
return err
}
epgID, err := mastercfg.GetEndpointGroupID(stateDriver, epg.GroupName, epg.TenantName)
if err != nil {
log.Errorf("Error getting epgID for %s. Err: %v", epgpKey, err)
return err
}
// Create the epg policy
gp, err = mastercfg.NewEpgPolicy(epgpKey, epgID, policy)
if err != nil {
log.Errorf("Error creating EPG policy. Err: %v", err)
return err
}
return nil
}
// CreateEndpoint creates an endpoint
func CreateEndpoint(stateDriver core.StateDriver, nwCfg *mastercfg.CfgNetworkState,
epReq *CreateEndpointRequest) (*mastercfg.CfgEndpointState, error) {
ep := &epReq.ConfigEP
epCfg := &mastercfg.CfgEndpointState{}
epCfg.StateDriver = stateDriver
epCfg.ID = getEpName(nwCfg.ID, ep)
err := epCfg.Read(epCfg.ID)
if err == nil {
// TODO: check for diffs and possible updates
return epCfg, nil
}
epCfg.NetID = nwCfg.ID
epCfg.EndpointID = ep.Container
epCfg.HomingHost = ep.Host
epCfg.ServiceName = ep.ServiceName
epCfg.EPCommonName = epReq.EPCommonName
// Allocate addresses
err = allocSetEpAddress(ep, epCfg, nwCfg)
if err != nil {
log.Errorf("error allocating and/or reserving IP. Error: %s", err)
return nil, err
}
// cleanup relies on var err being used for all error checking
defer freeAddrOnErr(nwCfg, epCfg.IPAddress, &err)
// Set endpoint group
// Skip for infra nw
if nwCfg.NwType != "infra" {
epCfg.EndpointGroupKey = mastercfg.GetEndpointGroupKey(ep.ServiceName, nwCfg.Tenant)
epCfg.EndpointGroupID, err = mastercfg.GetEndpointGroupID(stateDriver, ep.ServiceName, nwCfg.Tenant)
if err != nil {
log.Errorf("Error getting endpoint group ID for %s.%s. Err: %v", ep.ServiceName, nwCfg.ID, err)
return nil, err
}
if epCfg.EndpointGroupKey != "" {
epgCfg := &mastercfg.EndpointGroupState{}
epgCfg.StateDriver = stateDriver
err = epgCfg.Read(epCfg.EndpointGroupKey)
if err != nil {
log.Errorf("Error reading Epg info for EP: %+v. Error: %v", ep, err)
return nil, err
}
epgCfg.EpCount++
err = epgCfg.Write()
if err != nil {
log.Errorf("Error saving epg state: %+v", epgCfg)
return nil, err
}
}
}
err = nwCfg.IncrEpCount()
if err != nil {
log.Errorf("Error incrementing ep count. Err: %v", err)
return nil, err
}
err = epCfg.Write()
if err != nil {
log.Errorf("error writing ep config. Error: %s", err)
return nil, err
}
return epCfg, nil
}