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https://gitlab.com/libvirt/libvirt.git
synced 2024-08-27 19:11:16 +00:00
storage: Adjust qemu-img switches check
Since we support QEMU 0.12 and later, checking for support of specific flags added prior to that isn't necessary. Thus start with the base of having the "-o options" available for the qemu-img create option and then determine whether we have the compat option for qcow2 files (which would be necessary up through qemu 2.0 where the default changes to compat 0.11). Adjust test to no long check for NONE and FLAG options as well was removing results of tests that would use that option. Signed-off-by: John Ferlan <jferlan@redhat.com>
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8b3f0b767e
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f6a92f8e20
@ -869,10 +869,15 @@ virStoragePloopResize(virStorageVolDefPtr vol,
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return ret;
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return ret;
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}
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}
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/* Flag values shared w/ storagevolxml2argvtest.c.
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*
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* QEMU_IMG_BACKING_FORMAT_OPTIONS (added in qemu 0.11)
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* QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT
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* was made necessary due to 2.0 change to change the default
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* qcow2 file format from 0.10 to 1.1.
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*/
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enum {
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enum {
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QEMU_IMG_BACKING_FORMAT_NONE = 0,
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QEMU_IMG_BACKING_FORMAT_OPTIONS = 0,
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QEMU_IMG_BACKING_FORMAT_FLAG,
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QEMU_IMG_BACKING_FORMAT_OPTIONS,
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QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT,
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QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT,
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};
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};
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@ -904,46 +909,18 @@ virStorageBackendQemuImgSupportsCompat(const char *qemuimg)
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static int
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static int
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virStorageBackendQEMUImgBackingFormat(const char *qemuimg)
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virStorageBackendQEMUImgBackingFormat(const char *qemuimg)
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{
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{
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char *help = NULL;
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/* As of QEMU 0.11 the [-o options] support was added via qemu
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char *start;
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* commit id '9ea2ea71', so we start with that base and figure
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char *end;
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* out what else we have */
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char *tmp;
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int ret = QEMU_IMG_BACKING_FORMAT_OPTIONS;
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int ret = -1;
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int exitstatus;
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virCommandPtr cmd = virCommandNewArgList(qemuimg, "-h", NULL);
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virCommandAddEnvString(cmd, "LC_ALL=C");
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/* QEMU 2.0 changed to using a format that only QEMU 1.1 and newer
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virCommandSetOutputBuffer(cmd, &help);
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* understands. Since we still support QEMU 0.12 and newer, we need
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virCommandClearCaps(cmd);
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* to be able to handle the previous format as can be set via a
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* compat=0.10 option. */
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/* qemuimg doesn't return zero exit status on -h,
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* therefore we need to provide pointer for storing
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* exit status, although we don't parse it any later */
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if (virCommandRun(cmd, &exitstatus) < 0)
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goto cleanup;
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if ((start = strstr(help, " create ")) == NULL ||
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(end = strstr(start, "\n")) == NULL) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("unable to parse qemu-img output '%s'"),
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help);
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goto cleanup;
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}
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if (((tmp = strstr(start, "-F fmt")) && tmp < end) ||
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((tmp = strstr(start, "-F backing_fmt")) && tmp < end)) {
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ret = QEMU_IMG_BACKING_FORMAT_FLAG;
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} else if ((tmp = strstr(start, "[-o options]")) && tmp < end) {
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if (virStorageBackendQemuImgSupportsCompat(qemuimg))
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if (virStorageBackendQemuImgSupportsCompat(qemuimg))
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ret = QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT;
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ret = QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT;
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else
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ret = QEMU_IMG_BACKING_FORMAT_OPTIONS;
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} else {
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ret = QEMU_IMG_BACKING_FORMAT_NONE;
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}
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cleanup:
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virCommandFree(cmd);
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VIR_FREE(help);
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return ret;
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return ret;
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}
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}
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@ -1218,9 +1195,8 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn,
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if (info.backingPath)
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if (info.backingPath)
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virCommandAddArgList(cmd, "-b", info.backingPath, NULL);
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virCommandAddArgList(cmd, "-b", info.backingPath, NULL);
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if (imgformat >= QEMU_IMG_BACKING_FORMAT_OPTIONS) {
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if (info.format == VIR_STORAGE_FILE_QCOW2 && !info.compat &&
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if (info.format == VIR_STORAGE_FILE_QCOW2 && !info.compat &&
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imgformat == QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT)
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imgformat >= QEMU_IMG_BACKING_FORMAT_OPTIONS_COMPAT)
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info.compat = "0.10";
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info.compat = "0.10";
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if (virStorageBackendCreateQemuImgOpts(&opts, info) < 0) {
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if (virStorageBackendCreateQemuImgOpts(&opts, info) < 0) {
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@ -1230,17 +1206,6 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn,
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if (opts)
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if (opts)
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virCommandAddArgList(cmd, "-o", opts, NULL);
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virCommandAddArgList(cmd, "-o", opts, NULL);
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VIR_FREE(opts);
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VIR_FREE(opts);
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} else {
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if (info.backingPath) {
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if (imgformat == QEMU_IMG_BACKING_FORMAT_FLAG)
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virCommandAddArgList(cmd, "-F", backingType, NULL);
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else
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VIR_DEBUG("Unable to set backing store format for %s with %s",
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info.path, create_tool);
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}
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if (info.encryption)
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virCommandAddArg(cmd, "-e");
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}
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if (info.inputPath)
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if (info.inputPath)
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virCommandAddArg(cmd, info.inputPath);
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virCommandAddArg(cmd, info.inputPath);
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@ -1,2 +0,0 @@
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qemu-img create -f qcow2 -b /dev/null -F raw \
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-e /var/lib/libvirt/images/OtherDemo.img 5242880K
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@ -1,2 +0,0 @@
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qemu-img convert -f raw -O qcow2 -e /var/lib/libvirt/images/sparse.img \
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/var/lib/libvirt/images/OtherDemo.img
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@ -1,2 +0,0 @@
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qemu-img convert -f raw -O qcow2 -e /var/lib/libvirt/images/sparse.img \
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/var/lib/libvirt/images/OtherDemo.img
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@ -1 +0,0 @@
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qemu-img create -f qcow2 -e /var/lib/libvirt/images/OtherDemo.img 5242880K
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@ -1 +0,0 @@
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qemu-img create -f qcow2 -e /var/lib/libvirt/images/OtherDemo.img 5242880K
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@ -1 +0,0 @@
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qemu-img create -f qcow2 -b /dev/null -e /var/lib/libvirt/images/OtherDemo.img 5242880K
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@ -168,9 +168,7 @@ testCompareXMLToArgvHelper(const void *data)
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}
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}
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enum {
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enum {
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FMT_NONE = 0,
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FMT_OPTIONS = 0,
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FMT_FLAG,
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FMT_OPTIONS,
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FMT_COMPAT,
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FMT_COMPAT,
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};
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};
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@ -217,24 +215,6 @@ mymain(void)
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DO_TEST_FAIL("pool-dir", "vol-qcow2",
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DO_TEST_FAIL("pool-dir", "vol-qcow2",
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"pool-dir", "vol-file",
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"pool-dir", "vol-file",
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"qcow2-convert-prealloc", flags, FMT_OPTIONS);
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"qcow2-convert-prealloc", flags, FMT_OPTIONS);
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DO_TEST("pool-dir", "vol-qcow2",
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NULL, NULL,
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"qcow2-flag", 0, FMT_FLAG);
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DO_TEST("pool-dir", "vol-qcow2-nobacking",
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NULL, NULL,
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"qcow2-nobacking-flag", 0, FMT_FLAG);
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DO_TEST("pool-dir", "vol-qcow2-nobacking",
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"pool-dir", "vol-file",
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"qcow2-nobacking-convert-flag", 0, FMT_FLAG);
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DO_TEST("pool-dir", "vol-qcow2",
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NULL, NULL,
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"qcow2-none", 0, FMT_NONE);
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DO_TEST("pool-dir", "vol-qcow2-nobacking",
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NULL, NULL,
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"qcow2-nobacking-none", 0, FMT_NONE);
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DO_TEST("pool-dir", "vol-qcow2-nobacking",
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"pool-dir", "vol-file",
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"qcow2-nobacking-convert-none", 0, FMT_NONE);
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DO_TEST("pool-dir", "vol-qcow2-lazy",
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DO_TEST("pool-dir", "vol-qcow2-lazy",
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NULL, NULL,
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NULL, NULL,
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"qcow2-lazy", 0, FMT_OPTIONS);
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"qcow2-lazy", 0, FMT_OPTIONS);
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