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agent: support bind mounts between containers

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This feature supports creating bind mounts directly between containers through annotations.

Fixes: #6715

Signed-off-by: HanZiyao <h56983577@126.com>
This commit is contained in:
HanZiyao
2023-10-12 18:09:46 +08:00
parent 4c3a664358
commit a3b003c345
19 changed files with 598 additions and 11 deletions
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21
src/libs/protocols/protos/agent.proto
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@@ -89,6 +89,10 @@ message CreateContainerRequest {
// The agent would receive an OCI spec with PID namespace cleared
// out altogether and not just the pid ns path.
bool sandbox_pidns = 7;
// This field is used to declare a set of shared mount points
// that support cross-container sharing of mount objects.
repeated SharedMount shared_mounts = 8;
}
message StartContainerRequest {
@@ -444,6 +448,23 @@ message FSGroup {
types.FSGroupChangePolicy group_change_policy = 3;
}
// SharedMount declares a set of shared mount points that support
// cross-container sharing of mount objects.
message SharedMount {
// Name is used to identify a pair of shared mount points.
string name = 1;
// Src_ctr is used to specify the name of the source container.
string src_ctr = 2;
// Src_path is used to specify the path of the mount point. If the path doesn't
// exist in the rootfs, it will be created.
string src_path = 3;
// Dst_ctr is used to specify the name of the destination container.
string dst_ctr = 4;
// Dst_path is used to specify the path of the mount point. If the path doesn't
// exist in the rootfs, it will be created.
string dst_path = 5;
}
// Storage represents both the rootfs of the container, and any volume that
// could have been defined through the Mount list of the OCI specification.
message Storage {