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runtime: Sandbox: Add addSwap and removeSwap

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addSwap will create a swap file, hotplug it to hypervisor as a special
block device and let agent to setup it in the guest kernel.
removeSwap will remove the swap file.

Just QEMU support addSwap.

Fixes: #2201

Signed-off-by: Hui Zhu <teawater@antfin.com>
This commit is contained in:
Hui Zhu
2021-07-05 16:28:32 +08:00
parent e1b91986d7
commit 243d4b8689
10 changed files with 162 additions and 21 deletions
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6
src/runtime/virtcontainers/mock_agent.go
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@@ -12,6 +12,7 @@ import (
persistapi "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/api"
pbTypes "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/agent/protocols"
"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/agent/protocols/grpc"
vcTypes "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/types"
"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/types"
specs "github.com/opencontainers/runtime-spec/specs-go"
"golang.org/x/net/context"
@@ -215,6 +216,11 @@ func (n *mockAgent) copyFile(ctx context.Context, src, dst string) error {
return nil
}
// addSwap is the Noop agent setup swap. It does nothing.
func (n *mockAgent) addSwap(ctx context.Context, PCIPath vcTypes.PciPath) error {
return nil
}
func (n *mockAgent) markDead(ctx context.Context) {
}