netops

func (*NS) AddrAdd ¶

func (ns *NS) AddrAdd(linkName string, addr *net.IPNet) error

AddrAdd adds an IP address to a link

func (*NS) Clone ¶

func (ns *NS) Clone() (*NS, error)

Clone returns a copy of a network namespace. A returned network namespace need to be closed separately.

func (*NS) Close ¶

func (ns *NS) Close() error

Close closes an NS

func (*NS) Delete ¶

func (ns *NS) Delete() error

Delete deletes a named NS

func (*NS) DetectPodIP ¶

func (ns *NS) DetectPodIP() (net.IP, string, error)

DetectPodIP returns IP and link of the default route device

func (*NS) FD ¶

func (ns *NS) FD() int

FD returns a file descriptor of the network namespace

func (*NS) GetAvailableTableID ¶

func (ns *NS) GetAvailableTableID(iif string, priority, min, max int) (int, error)

GetAvailableTableID returns a table ID that is not currently used

func (*NS) GetHardwareAddr ¶

func (ns *NS) GetHardwareAddr(linkName string) (string, error)

func (*NS) GetIP ¶

func (ns *NS) GetIP(linkName string) ([]net.IP, error)

GetIP returns a list of IP addresses assigned to a link

func (*NS) GetIPNet ¶

func (ns *NS) GetIPNet(linkName string) ([]*net.IPNet, error)

GetIPNet returns a list of IPNets assigned to a link

func (*NS) GetMTU ¶

func (ns *NS) GetMTU(linkName string) (int, error)

GetMTU returns MTU size of a link

func (*NS) GetRoutes ¶

func (ns *NS) GetRoutes() ([]*Route, error)

GetRoutes gets a list of routes on the main table

func (*NS) LinkAdd ¶

func (ns *NS) LinkAdd(linkName string, link netlink.Link) error

LinkAdd creates a new link with an attribute specified by link

func (*NS) LinkByName ¶

func (ns *NS) LinkByName(name string) (netlink.Link, error)

func (*NS) LinkDel ¶

func (ns *NS) LinkDel(linkName string) error

LinkDel deletes a link

func (*NS) LinkList ¶

func (ns *NS) LinkList() ([]netlink.Link, error)

func (*NS) LinkNameByAddr ¶

func (ns *NS) LinkNameByAddr(ip net.IP) (string, error)

func (*NS) LinkSetMaster ¶

func (ns *NS) LinkSetMaster(linkName, masterName string) error

LinkSetMaster sets a master device of a link

func (*NS) LinkSetNS ¶

func (ns *NS) LinkSetNS(linkName string, targetNS *NS) error

LinkSetNS changes network namespace of a link

func (*NS) LinkSetName ¶

func (ns *NS) LinkSetName(linkName, newName string) error

LinkSetName changes name of a link

func (*NS) LinkSetUp ¶

func (ns *NS) LinkSetUp(linkName string) error

LinkSetUp makes the link status up

func (*NS) LocalRouteDel ¶

func (ns *NS) LocalRouteDel(table int, dest *net.IPNet, dev string) error

LocalRouteDel deletes a route of the local local

func (*NS) RedirectAdd ¶

func (ns *NS) RedirectAdd(src, dst string) error

RedirectAdd adds a tc ingress qdisc and redirect filter that redirects all traffic from src to dst

func (*NS) RedirectDel ¶

func (ns *NS) RedirectDel(src string) error

RedirectDel deletes a tc ingress qdisc and redirect filters on src

func (*NS) RouteAdd ¶

func (ns *NS) RouteAdd(table int, dest *net.IPNet, gw net.IP, dev string) error

RouteAdd adds a new route

func (*NS) RouteAddOnlink ¶

func (ns *NS) RouteAddOnlink(table int, dest *net.IPNet, gw net.IP, dev string) error

func (*NS) RouteDel ¶

func (ns *NS) RouteDel(table int, dest *net.IPNet, gw net.IP, dev string) error

RouteDel deletes routes

func (*NS) RuleAdd ¶

func (ns *NS) RuleAdd(src *net.IPNet, iif string, priority int, table int) error

RuleAdd adds a new rule in the routing policy database

func (*NS) RuleDel ¶

func (ns *NS) RuleDel(src *net.IPNet, iif string, priority int, table int) error

RuleDel deletes a rule in the routing policy database

func (*NS) RuleList ¶

func (ns *NS) RuleList(src *net.IPNet, iif string, priority int, table int) ([]netlink.Rule, error)

RuleList gets a list of rules in the routing policy database

func (*NS) Run ¶

func (ns *NS) Run(fn func() error) (err error)

Run calls a function in a network namespace

func (*NS) SetHardwareAddr ¶

func (ns *NS) SetHardwareAddr(linkName, hwAddr string) error

func (*NS) SetMTU ¶

func (ns *NS) SetMTU(linkName string, mtu int) error

SetMTU sets MTU size of a link

func (*NS) SysctlGet ¶

func (ns *NS) SysctlGet(key string) (string, error)

SysctlGet returns a kernel parameter value specified by key

func (*NS) SysctlSet ¶

func (ns *NS) SysctlSet(key string, val string) error

SysctlSet returns a kernel parameter value specified by key

func (*NS) VethAdd ¶

func (ns *NS) VethAdd(name string, peerNS *NS, peerName string) error

VethAdd adds a veth pair

func (*NS) VethAddPrefix ¶

func (ns *NS) VethAddPrefix(vethPrefix string, peerNS *NS, peerName string) (string, error)

VethAddPrefix adds a veth pair. One endpoint is create at ns, and its name begins with vethPrefix. The other endpoint is created at peerNS and its name is peerName.