frontend

func (*FrontEndService) CleanUp ¶

func (fes *FrontEndService) CleanUp()

CleanUp - Basic clean-up of FrontEndService

func (*FrontEndService) Init ¶

func (fes *FrontEndService) Init() error

func (*FrontEndService) Monitor ¶

func (fes *FrontEndService) Monitor(ctx context.Context, errCh chan<- error)

Monitor - Check bgp prorocols' status by periodically querying birdc. - Log changes in availablity/connectivity. - Reflect external connectivity through NSP to be used by LBs to steer outbound traffic. - Withdraw VIPs in case FE is considered down, in order to not attract traffic through other available links if any. More like VIPs must be added to BIRD only if the frontend is considered up. (Note: IPv4/IPv6 backplane not separated).

func (*FrontEndService) RemoveVIPRules ¶

func (fes *FrontEndService) RemoveVIPRules() error

RemoveVipRules - Remove all the previously installed VIP src routing rules

func (*FrontEndService) SetNewConfig ¶

func (fes *FrontEndService) SetNewConfig(ctx context.Context, c interface{}) error

SetNewConfig - Adjust BIRD config on the fly

func (*FrontEndService) Start ¶

func (fes *FrontEndService) Start(ctx context.Context, errCh chan<- error)

Start - Start BIRD with the generated config

func (*FrontEndService) Stop ¶

func (fes *FrontEndService) Stop(ctx context.Context)

Stop - Stop BIRD (attempt graceful shutdown)

func (*FrontEndService) VerifyConfig ¶

func (fes *FrontEndService) VerifyConfig(ctx context.Context) error

VerifyConfig - Verify BIRD config file

prerequisite: BIRD must be running so that birdc could talk to it

func (*FrontEndService) WaitStart ¶

func (fes *FrontEndService) WaitStart(ctx context.Context) error

WaitStart - Wait until BIRD started by checking birdc availability