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Handle the CSI driver in VolumeSnapshotContent does not match case

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In VolumeSnapshotContent, if the CSI driver does not match the plugin's,
the controller should skip this content instead of always processing it.
This PR also add a few tests related to snapshot and content static
binding.

During binding, if content specify its bound snapshot uid and it
does not match the snapshot's uid, the content object and also the
physical snapshot will be deleted. In this case, the controller will
treat the content as an orphan content because its snapshot object does
not exist (deleted) any more.
This commit is contained in:
Jing Xu
2018-09-20 15:21:18 -07:00
parent 5ed076f3db
commit c401b2331c
5 changed files with 151 additions and 59 deletions
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20
pkg/controller/snapshot_ready_test.go
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@@ -232,6 +232,26 @@ func TestSync(t *testing.T) {
errors: noerrors,
test: testSyncSnapshot,
},
{
name: "3-5 - snapshot bound to content in which the driver does not match",
initialContents: newContentWithUnmatchDriverArray("content3-5", validSecretClass, "sid3-5", "vuid3-5", "volume3-5", "", "snap3-5", nil, nil),
expectedContents: nocontents,
initialSnapshots: newSnapshotArray("snap3-5", validSecretClass, "content3-5", "snapuid3-5", "claim3-5", false, nil, nil, nil),
expectedSnapshots: newSnapshotArray("snap3-5", validSecretClass, "content3-5", "snapuid3-5", "claim3-5", false, newVolumeError("VolumeSnapshotContent is missing"), nil, nil),
expectedEvents: []string{"Warning SnapshotContentMissing"},
errors: noerrors,
test: testSyncSnapshotError,
},
{
name: "3-6 - snapshot bound to content in which the snapshot uid does not match",
initialContents: newContentArray("content3-4", validSecretClass, "sid3-4", "vuid3-4", "volume3-4", "snapuid3-4-x", "snap3-6", nil, nil),
expectedContents: newContentArray("content3-4", validSecretClass, "sid3-4", "vuid3-4", "volume3-4", "snapuid3-4-x", "snap3-6", nil, nil),
initialSnapshots: newSnapshotArray("snap3-5", validSecretClass, "content3-5", "snapuid3-5", "claim3-5", false, nil, nil, nil),
expectedSnapshots: newSnapshotArray("snap3-5", validSecretClass, "content3-5", "snapuid3-5", "claim3-5", false, newVolumeError("VolumeSnapshotContent is missing"), nil, nil),
expectedEvents: []string{"Warning SnapshotContentMissing"},
errors: noerrors,
test: testSyncSnapshotError,
},
}
runSyncTests(t, tests, snapshotClasses)