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From ff6e22d991a2681488c3c52b00dcf5289bf97bd3 Mon Sep 17 00:00:00 2001
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Message-Id: <ff6e22d991a2681488c3c52b00dcf5289bf97bd3@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Mon, 16 Mar 2020 22:12:25 +0100
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Subject: [PATCH] qemublocktest: Add tests for handling of bitmaps during
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block-commit
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add code for testing the two necessary steps of handling bitmaps during
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block commit and exercise the code on the test data which we have for
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bitmap handling.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 77b9d574b41e79bbeb87ee0443dd60c4fde8a79a)
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https://bugzilla.redhat.com/show_bug.cgi?id=1799013
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Message-Id: <551872a6e70f8136c2bd8e9f7be194b8f7091046.1584391727.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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tests/qemublocktest.c | 95 ++++++++++++++
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.../bitmapblockcommit/basic-1-2 | 119 ++++++++++++++++++
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.../bitmapblockcommit/basic-1-3 | 119 ++++++++++++++++++
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.../bitmapblockcommit/basic-2-3 | 2 +
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4 files changed, 335 insertions(+)
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create mode 100644 tests/qemublocktestdata/bitmapblockcommit/basic-1-2
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create mode 100644 tests/qemublocktestdata/bitmapblockcommit/basic-1-3
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create mode 100644 tests/qemublocktestdata/bitmapblockcommit/basic-2-3
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diff --git a/tests/qemublocktest.c b/tests/qemublocktest.c
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index 6ccc2328b3..63ac80b584 100644
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--- a/tests/qemublocktest.c
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+++ b/tests/qemublocktest.c
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@@ -665,6 +665,21 @@ testQemuBackupIncrementalBitmapCalculateGetFakeChain(void)
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}
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+static virStorageSourcePtr
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+testQemuBitmapGetFakeChainEntry(virStorageSourcePtr src,
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+ size_t idx)
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+{
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+ virStorageSourcePtr n;
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+
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+ for (n = src; n; n = n->backingStore) {
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+ if (n->id == idx)
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+ return n;
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+ }
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+
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+ return NULL;
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+}
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+
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+
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typedef virDomainMomentDefPtr testMomentList;
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static void
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@@ -919,6 +934,68 @@ testQemuBlockBitmapBlockcopy(const void *opaque)
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return virTestCompareToFile(actual, expectpath);
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}
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+static const char *blockcommitPrefix = "qemublocktestdata/bitmapblockcommit/";
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+
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+struct testQemuBlockBitmapBlockcommitData {
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+ const char *name;
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+ virStorageSourcePtr top;
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+ virStorageSourcePtr base;
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+ virStorageSourcePtr chain;
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+ const char *nodedatafile;
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+};
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+
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+
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+static int
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+testQemuBlockBitmapBlockcommit(const void *opaque)
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+{
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+ const struct testQemuBlockBitmapBlockcommitData *data = opaque;
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+
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+ g_autofree char *actual = NULL;
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+ g_autofree char *expectpath = NULL;
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+ g_autoptr(virJSONValue) actionsDisable = NULL;
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+ g_autoptr(virJSONValue) actionsMerge = NULL;
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+ g_autoptr(virJSONValue) nodedatajson = NULL;
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+ g_autoptr(virHashTable) nodedata = NULL;
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+ g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
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+ VIR_AUTOSTRINGLIST bitmapsDisable = NULL;
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+
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+ expectpath = g_strdup_printf("%s/%s%s", abs_srcdir,
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+ blockcommitPrefix, data->name);
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+
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+ if (!(nodedatajson = virTestLoadFileJSON(bitmapDetectPrefix, data->nodedatafile,
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+ ".json", NULL)))
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+ return -1;
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+
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+ if (!(nodedata = qemuMonitorJSONBlockGetNamedNodeDataJSON(nodedatajson))) {
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+ VIR_TEST_VERBOSE("failed to load nodedata JSON\n");
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+ return -1;
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+ }
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+
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+ if (qemuBlockBitmapsHandleCommitStart(data->top, data->base, nodedata,
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+ &actionsDisable, &bitmapsDisable) < 0)
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+ return -1;
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+
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+ virBufferAddLit(&buf, "pre job bitmap disable:\n");
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+
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+ if (actionsDisable &&
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+ virJSONValueToBuffer(actionsDisable, &buf, true) < 0)
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+ return -1;
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+
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+ virBufferAddLit(&buf, "merge bitmpas:\n");
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+
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+ if (qemuBlockBitmapsHandleCommitFinish(data->top, data->base, nodedata,
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+ &actionsMerge, bitmapsDisable) < 0)
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+ return -1;
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+
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+ if (actionsMerge &&
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+ virJSONValueToBuffer(actionsMerge, &buf, true) < 0)
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+ return -1;
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+
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+ actual = virBufferContentAndReset(&buf;;
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+
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+ return virTestCompareToFile(actual, expectpath);
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+}
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+
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static int
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mymain(void)
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@@ -933,6 +1010,7 @@ mymain(void)
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struct testQemuCheckpointDeleteMergeData checkpointdeletedata;
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struct testQemuBlockBitmapValidateData blockbitmapvalidatedata;
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struct testQemuBlockBitmapBlockcopyData blockbitmapblockcopydata;
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+ struct testQemuBlockBitmapBlockcommitData blockbitmapblockcommitdata;
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char *capslatest_x86_64 = NULL;
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virQEMUCapsPtr caps_x86_64 = NULL;
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g_autoptr(virHashTable) qmp_schema_x86_64 = NULL;
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@@ -1297,6 +1375,23 @@ mymain(void)
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TEST_BITMAP_BLOCKCOPY("snapshots-shallow", true, "snapshots");
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TEST_BITMAP_BLOCKCOPY("snapshots-deep", false, "snapshots");
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+
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+#define TEST_BITMAP_BLOCKCOMMIT(testname, topimg, baseimg, ndf) \
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+ do {\
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+ blockbitmapblockcommitdata.name = testname; \
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+ blockbitmapblockcommitdata.top = testQemuBitmapGetFakeChainEntry(bitmapSourceChain, topimg); \
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+ blockbitmapblockcommitdata.base = testQemuBitmapGetFakeChainEntry(bitmapSourceChain, baseimg); \
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+ blockbitmapblockcommitdata.nodedatafile = ndf; \
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+ if (virTestRun("bitmap block commit " testname, \
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+ testQemuBlockBitmapBlockcommit, \
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+ &blockbitmapblockcommitdata) < 0) \
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+ ret = -1; \
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+ } while (0)
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+
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+ TEST_BITMAP_BLOCKCOMMIT("basic-1-2", 1, 2, "basic");
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+ TEST_BITMAP_BLOCKCOMMIT("basic-1-3", 1, 3, "basic");
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+ TEST_BITMAP_BLOCKCOMMIT("basic-2-3", 2, 3, "basic");
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+
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cleanup:
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qemuTestDriverFree(&driver);
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VIR_FREE(capslatest_x86_64);
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diff --git a/tests/qemublocktestdata/bitmapblockcommit/basic-1-2 b/tests/qemublocktestdata/bitmapblockcommit/basic-1-2
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new file mode 100644
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index 0000000000..8eeb4c3a11
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--- /dev/null
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+++ b/tests/qemublocktestdata/bitmapblockcommit/basic-1-2
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@@ -0,0 +1,119 @@
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+pre job bitmap disable:
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+merge bitmpas:
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+[
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+ {
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+ "type": "block-dirty-bitmap-add",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "name": "a",
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+ "persistent": true,
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+ "disabled": true,
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+ "granularity": 65536
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-merge",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "target": "a",
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+ "bitmaps": [
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+ {
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+ "node": "libvirt-1-format",
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+ "name": "a"
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+ }
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+ ]
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-add",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "name": "b",
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+ "persistent": true,
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+ "disabled": true,
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+ "granularity": 65536
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-merge",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "target": "b",
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+ "bitmaps": [
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+ {
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+ "node": "libvirt-1-format",
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+ "name": "b"
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+ }
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+ ]
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-add",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "name": "current",
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+ "persistent": true,
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+ "disabled": false,
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+ "granularity": 65536
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-merge",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "target": "current",
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a41c76 |
+ "bitmaps": [
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+ {
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+ "node": "libvirt-1-format",
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+ "name": "current"
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+ }
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+ ]
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-add",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "name": "c",
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+ "persistent": true,
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+ "disabled": true,
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+ "granularity": 65536
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+ }
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+ },
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+ {
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+ "type": "block-dirty-bitmap-merge",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "target": "c",
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+ "bitmaps": [
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+ {
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a41c76 |
+ "node": "libvirt-1-format",
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+ "name": "c"
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+ }
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+ ]
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a41c76 |
+ }
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a41c76 |
+ },
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+ {
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+ "type": "block-dirty-bitmap-add",
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+ "data": {
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+ "node": "libvirt-2-format",
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+ "name": "d",
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a41c76 |
+ "persistent": true,
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+ "disabled": true,
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+ "granularity": 65536
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a41c76 |
+ }
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a41c76 |
+ },
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a41c76 |
+ {
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a41c76 |
+ "type": "block-dirty-bitmap-merge",
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a41c76 |
+ "data": {
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a41c76 |
+ "node": "libvirt-2-format",
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a41c76 |
+ "target": "d",
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a41c76 |
+ "bitmaps": [
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a41c76 |
+ {
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a41c76 |
+ "node": "libvirt-1-format",
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a41c76 |
+ "name": "d"
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a41c76 |
+ }
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a41c76 |
+ ]
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a41c76 |
+ }
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a41c76 |
+ }
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a41c76 |
+]
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a41c76 |
diff --git a/tests/qemublocktestdata/bitmapblockcommit/basic-1-3 b/tests/qemublocktestdata/bitmapblockcommit/basic-1-3
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a41c76 |
new file mode 100644
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a41c76 |
index 0000000000..71b48e31a5
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a41c76 |
--- /dev/null
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a41c76 |
+++ b/tests/qemublocktestdata/bitmapblockcommit/basic-1-3
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a41c76 |
@@ -0,0 +1,119 @@
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a41c76 |
+pre job bitmap disable:
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a41c76 |
+merge bitmpas:
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a41c76 |
+[
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a41c76 |
+ {
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a41c76 |
+ "type": "block-dirty-bitmap-add",
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a41c76 |
+ "data": {
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a41c76 |
+ "node": "libvirt-3-format",
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a41c76 |
+ "name": "a",
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a41c76 |
+ "persistent": true,
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a41c76 |
+ "disabled": true,
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a41c76 |
+ "granularity": 65536
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a41c76 |
+ }
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a41c76 |
+ },
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a41c76 |
+ {
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a41c76 |
+ "type": "block-dirty-bitmap-merge",
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|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "target": "a",
|
|
|
a41c76 |
+ "bitmaps": [
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "node": "libvirt-1-format",
|
|
|
a41c76 |
+ "name": "a"
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ ]
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-add",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "name": "b",
|
|
|
a41c76 |
+ "persistent": true,
|
|
|
a41c76 |
+ "disabled": true,
|
|
|
a41c76 |
+ "granularity": 65536
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-merge",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "target": "b",
|
|
|
a41c76 |
+ "bitmaps": [
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "node": "libvirt-1-format",
|
|
|
a41c76 |
+ "name": "b"
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ ]
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-add",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "name": "current",
|
|
|
a41c76 |
+ "persistent": true,
|
|
|
a41c76 |
+ "disabled": false,
|
|
|
a41c76 |
+ "granularity": 65536
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-merge",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "target": "current",
|
|
|
a41c76 |
+ "bitmaps": [
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "node": "libvirt-1-format",
|
|
|
a41c76 |
+ "name": "current"
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ ]
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-add",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "name": "c",
|
|
|
a41c76 |
+ "persistent": true,
|
|
|
a41c76 |
+ "disabled": true,
|
|
|
a41c76 |
+ "granularity": 65536
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-merge",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "target": "c",
|
|
|
a41c76 |
+ "bitmaps": [
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "node": "libvirt-1-format",
|
|
|
a41c76 |
+ "name": "c"
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ ]
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-add",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "name": "d",
|
|
|
a41c76 |
+ "persistent": true,
|
|
|
a41c76 |
+ "disabled": true,
|
|
|
a41c76 |
+ "granularity": 65536
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ },
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "type": "block-dirty-bitmap-merge",
|
|
|
a41c76 |
+ "data": {
|
|
|
a41c76 |
+ "node": "libvirt-3-format",
|
|
|
a41c76 |
+ "target": "d",
|
|
|
a41c76 |
+ "bitmaps": [
|
|
|
a41c76 |
+ {
|
|
|
a41c76 |
+ "node": "libvirt-1-format",
|
|
|
a41c76 |
+ "name": "d"
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ ]
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+ }
|
|
|
a41c76 |
+]
|
|
|
a41c76 |
diff --git a/tests/qemublocktestdata/bitmapblockcommit/basic-2-3 b/tests/qemublocktestdata/bitmapblockcommit/basic-2-3
|
|
|
a41c76 |
new file mode 100644
|
|
|
a41c76 |
index 0000000000..bfc58f994e
|
|
|
a41c76 |
--- /dev/null
|
|
|
a41c76 |
+++ b/tests/qemublocktestdata/bitmapblockcommit/basic-2-3
|
|
|
a41c76 |
@@ -0,0 +1,2 @@
|
|
|
a41c76 |
+pre job bitmap disable:
|
|
|
a41c76 |
+merge bitmpas:
|
|
|
a41c76 |
--
|
|
|
a41c76 |
2.25.1
|
|
|
a41c76 |
|