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OverlayAttachKind

zlayer_agent::runtime

Enum OverlayAttachKind 

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pub enum OverlayAttachKind {
    HostNetns,
    HostIp,
    GuestManaged,
    HostProxy,
}
Expand description

How a runtime joins a container to the cross-node WireGuard overlay.

The overlay can be attached three ways depending on whether the container is a host process, a Windows compute system, or a full VM:

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HostNetns

Linux host process: overlayd enters /proc/<pid>/ns/net and plumbs a veth into the container’s network namespace (the default).

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HostIp

Windows: the HCN endpoint + namespace were created at container-create time; the agent only registers the assigned IP.

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GuestManaged

Any guest with no host-visible netns/PID (macOS VZ-Linux over vsock today; also macOS native guests and the Windows WSL2 distro): overlayd allocates the overlay identity and the agent pushes it into the guest, where a kernel WireGuard device is brought up. Pushed via Runtime::push_overlay_config.

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HostProxy

Host-shared native runtime with no per-container netns (macOS Seatbelt; macOS native-VZ): the NODE joins the overlay at host level (a utun bound to the node overlay IP) and every container reaches the daemon and its siblings over the shared host stack (Seatbelt) or a host node_ip:port -> guest forward (native-VZ). There is no per-container veth, no host PID to attach, and no guest push; per-replica addressing is the node overlay IP plus Runtime::get_container_port_override.

Trait Implementations§

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impl Clone for OverlayAttachKind

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fn clone(&self) -> OverlayAttachKind

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for OverlayAttachKind

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impl Debug for OverlayAttachKind

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for OverlayAttachKind

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impl PartialEq for OverlayAttachKind

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fn eq(&self, other: &OverlayAttachKind) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for OverlayAttachKind

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