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Closes #544 The above issue describes a situation where using the bridge plugin with IPv6 addresses prevented `DEL` from working correctly. `DEL` seems to be failing in the body of `TeardownIPMasq` This arises because: * twice delete postrouting rules: `ipn.String()` `ipn.IP.String()` #279 * we are using a version of go-iptables which is bugged for v6 PR github.com/coreos/go-iptables/pull/74 describes why this does not work. The error message is not being checked correctly. Using a later version of go-iptables means that * when the second `ipt.Delete` fails (this is okay) * we will correctly interpret this as an non-fatal error * `TeardownIPMasq` will not prematurely exit the method * `ipt.ClearChain` now can run * `ipt.DeleteChain` now can run This explains why this was working for v4 but not v6 This commit was amended to include v0.5.0 instead of a pseudo-version v0.4.6-0.20200318170312-12696f5c9108 Signed-off-by: toby lorne <toby@toby.codes>
plugins
Some CNI network plugins, maintained by the containernetworking team. For more information, see the CNI website.
Read CONTRIBUTING for build and test instructions.
Plugins supplied:
Main: interface-creating
bridge: Creates a bridge, adds the host and the container to it.ipvlan: Adds an ipvlan interface in the container.loopback: Set the state of loopback interface to up.macvlan: Creates a new MAC address, forwards all traffic to that to the container.ptp: Creates a veth pair.vlan: Allocates a vlan device.host-device: Move an already-existing device into a container.
Windows: windows specific
win-bridge: Creates a bridge, adds the host and the container to it.win-overlay: Creates an overlay interface to the container.
IPAM: IP address allocation
dhcp: Runs a daemon on the host to make DHCP requests on behalf of the containerhost-local: Maintains a local database of allocated IPsstatic: Allocate a static IPv4/IPv6 addresses to container and it's useful in debugging purpose.
Meta: other plugins
flannel: Generates an interface corresponding to a flannel config filetuning: Tweaks sysctl parameters of an existing interfaceportmap: An iptables-based portmapping plugin. Maps ports from the host's address space to the container.bandwidth: Allows bandwidth-limiting through use of traffic control tbf (ingress/egress).sbr: A plugin that configures source based routing for an interface (from which it is chained).firewall: A firewall plugin which uses iptables or firewalld to add rules to allow traffic to/from the container.
Sample
The sample plugin provides an example for building your own plugin.
Contact
For any questions about CNI, please reach out via:
- Email: cni-dev
- Slack: #cni on the CNCF slack.
If you have a security issue to report, please do so privately to the email addresses listed in the OWNERS file.