Ophestra
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This enables the writable root overlay use case. Signed-off-by: Ophestra <cat@gensokyo.uk>
67 lines
2.4 KiB
Go
67 lines
2.4 KiB
Go
package hst_test
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import (
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"testing"
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"hakurei.app/check"
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"hakurei.app/container"
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"hakurei.app/hst"
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)
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func TestFSOverlay(t *testing.T) {
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t.Parallel()
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checkFs(t, []fsTestCase{
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{"nil", (*hst.FSOverlay)(nil), false, nil, nil, nil, "<invalid>"},
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{"nil lower", &hst.FSOverlay{Target: m("/etc"), Lower: []*check.Absolute{nil}}, false, nil, nil, nil, "<invalid>"},
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{"zero lower", &hst.FSOverlay{Target: m("/etc"), Upper: m("/"), Work: m("/")}, false, nil, nil, nil, "<invalid>"},
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{"zero lower ro", &hst.FSOverlay{Target: m("/etc")}, false, nil, nil, nil, "<invalid>"},
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{"short lower", &hst.FSOverlay{Target: m("/etc"), Lower: ms("/etc")}, false, nil, nil, nil, "<invalid>"},
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{"full", &hst.FSOverlay{
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Target: m("/nix/store"),
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Lower: ms("/mnt-root/nix/.ro-store"),
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Upper: m("/mnt-root/nix/.rw-store/upper"),
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Work: m("/mnt-root/nix/.rw-store/work"),
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}, true, container.Ops{&container.MountOverlayOp{
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Target: m("/nix/store"),
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Lower: ms("/mnt-root/nix/.ro-store"),
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Upper: m("/mnt-root/nix/.rw-store/upper"),
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Work: m("/mnt-root/nix/.rw-store/work"),
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}}, m("/nix/store"), ms("/mnt-root/nix/.rw-store/upper", "/mnt-root/nix/.rw-store/work", "/mnt-root/nix/.ro-store"),
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"w*/nix/store:/mnt-root/nix/.rw-store/upper:/mnt-root/nix/.rw-store/work:/mnt-root/nix/.ro-store"},
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{"ro", &hst.FSOverlay{
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Target: m("/mnt/src"),
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Lower: ms("/tmp/.src0", "/tmp/.src1"),
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}, true, container.Ops{&container.MountOverlayOp{
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Target: m("/mnt/src"),
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Lower: ms("/tmp/.src0", "/tmp/.src1"),
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}}, m("/mnt/src"), ms("/tmp/.src0", "/tmp/.src1"),
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"*/mnt/src:/tmp/.src0:/tmp/.src1"},
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{"ro work", &hst.FSOverlay{
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Target: m("/mnt/src"),
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Lower: ms("/tmp/.src0", "/tmp/.src1"),
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Work: m("/tmp"),
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}, true, container.Ops{&container.MountOverlayOp{
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Target: m("/mnt/src"),
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Lower: ms("/tmp/.src0", "/tmp/.src1"),
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}}, m("/mnt/src"), ms("/tmp/.src0", "/tmp/.src1"),
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"*/mnt/src:/tmp/.src0:/tmp/.src1"},
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{"no remount root", &hst.FSOverlay{
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Target: m("/"),
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Lower: ms("/tmp/.src0", "/tmp/.src1"),
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Upper: m("/tmp/upper"),
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Work: m("/tmp/work"),
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}, true, container.Ops{&container.MountOverlayOp{
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Target: m("/"),
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Lower: ms("/tmp/.src0", "/tmp/.src1"),
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Upper: m("/tmp/upper"),
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Work: m("/tmp/work"),
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}}, m("/"), ms("/tmp/upper", "/tmp/work", "/tmp/.src0", "/tmp/.src1"),
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"w*/:/tmp/upper:/tmp/work:/tmp/.src0:/tmp/.src1"},
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})
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}
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