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