This function adds the complete filesystem information returned by the qemu agent to an array of typed parameters with field names intended to to be returned by virDomainGetGuestInfo() Signed-off-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx> --- src/qemu/qemu_agent.c | 90 ++++++++++++++++++ src/qemu/qemu_agent.h | 5 + tests/qemuagenttest.c | 210 +++++++++++++++++++++++++++++++++++++++--- 3 files changed, 292 insertions(+), 13 deletions(-) diff --git a/src/qemu/qemu_agent.c b/src/qemu/qemu_agent.c index 8d54979f89..169ad74f6f 100644 --- a/src/qemu/qemu_agent.c +++ b/src/qemu/qemu_agent.c @@ -1953,6 +1953,96 @@ qemuAgentGetFSInfo(qemuAgentPtr mon, virDomainFSInfoPtr **info, return ret; } +int +qemuAgentGetFSInfoParams(qemuAgentPtr mon, + virTypedParameterPtr *params, + int *nparams, int *maxparams, + virDomainDefPtr vmdef) +{ + int ret = -1; + qemuAgentFSInfoPtr *fsinfo = NULL; + size_t i, j; + int nfs; + + if ((nfs = qemuAgentGetFSInfoInternal(mon, &fsinfo, vmdef)) < 0) + return -1; + + if (virTypedParamsAddUInt(params, nparams, maxparams, + "fs.count", nfs) < 0) + goto cleanup; + + for (i = 0; i < nfs; i++) { + char param_name[VIR_TYPED_PARAM_FIELD_LENGTH]; + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.name", i); + if (virTypedParamsAddString(params, nparams, maxparams, + param_name, fsinfo[i]->name) < 0) + goto cleanup; + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.mountpoint", i); + if (virTypedParamsAddString(params, nparams, maxparams, + param_name, fsinfo[i]->mountpoint) < 0) + goto cleanup; + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.fstype", i); + if (virTypedParamsAddString(params, nparams, maxparams, + param_name, fsinfo[i]->fstype) < 0) + goto cleanup; + + /* disk usage values are not returned by older guest agents, so + * only add the params if the value is set */ + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.total-bytes", i); + if (fsinfo[i]->total_bytes != -1 && + virTypedParamsAddULLong(params, nparams, maxparams, + param_name, fsinfo[i]->total_bytes) < 0) + goto cleanup; + + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.used-bytes", i); + if (fsinfo[i]->used_bytes != -1 && + virTypedParamsAddULLong(params, nparams, maxparams, + param_name, fsinfo[i]->used_bytes) < 0) + goto cleanup; + + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.disk.count", i); + if (virTypedParamsAddUInt(params, nparams, maxparams, + param_name, fsinfo[i]->ndisks) < 0) + goto cleanup; + for (j = 0; j < fsinfo[i]->ndisks; j++) { + qemuAgentDiskInfoPtr d = fsinfo[i]->disks[j]; + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.disk.%zu.alias", i, j); + if (d->alias && + virTypedParamsAddString(params, nparams, maxparams, + param_name, d->alias) < 0) + goto cleanup; + + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.disk.%zu.serial", i, j); + if (d->serial && + virTypedParamsAddString(params, nparams, maxparams, + param_name, d->serial) < 0) + goto cleanup; + + snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH, + "fs.%zu.disk.%zu.device", i, j); + if (d->devnode && + virTypedParamsAddString(params, nparams, maxparams, + param_name, d->devnode) < 0) + goto cleanup; + } + } + ret = nfs; + + cleanup: + for (i = 0; i < nfs; i++) + qemuAgentFSInfoFree(fsinfo[i]); + VIR_FREE(fsinfo); + + return ret; +} static int qemuAgentGetFSInfoInternal(qemuAgentPtr mon, qemuAgentFSInfoPtr **info, diff --git a/src/qemu/qemu_agent.h b/src/qemu/qemu_agent.h index 69b0176855..f6d74a2603 100644 --- a/src/qemu/qemu_agent.h +++ b/src/qemu/qemu_agent.h @@ -74,6 +74,11 @@ int qemuAgentFSThaw(qemuAgentPtr mon); int qemuAgentGetFSInfo(qemuAgentPtr mon, virDomainFSInfoPtr **info, virDomainDefPtr vmdef); +int qemuAgentGetFSInfoParams(qemuAgentPtr mon, + virTypedParameterPtr *params, + int *nparams, int *maxparams, + virDomainDefPtr vmdef); + int qemuAgentSuspend(qemuAgentPtr mon, unsigned int target); diff --git a/tests/qemuagenttest.c b/tests/qemuagenttest.c index 0912a5f29a..105b32017a 100644 --- a/tests/qemuagenttest.c +++ b/tests/qemuagenttest.c @@ -168,38 +168,45 @@ testQemuAgentFSTrim(const void *data) static int -testQemuAgentGetFSInfo(const void *data) +testQemuAgentGetFSInfoCommon(virDomainXMLOptionPtr xmlopt, + qemuMonitorTestPtr *test, + virDomainDefPtr *def) { - virDomainXMLOptionPtr xmlopt = (virDomainXMLOptionPtr)data; - qemuMonitorTestPtr test = qemuMonitorTestNewAgent(xmlopt); + int ret = -1; char *domain_filename = NULL; - virDomainDefPtr def = NULL; - virDomainFSInfoPtr *info = NULL; - int ret = -1, ninfo = 0, i; + qemuMonitorTestPtr ret_test = NULL; + virDomainDefPtr ret_def = NULL; - if (!test) + if (!test || !def) + return -1; + + if (!(ret_test = qemuMonitorTestNewAgent(xmlopt))) return -1; if (virAsprintf(&domain_filename, "%s/qemuagentdata/fsinfo.xml", abs_srcdir) < 0) goto cleanup; - if (!(def = virDomainDefParseFile(domain_filename, driver.caps, xmlopt, - NULL, VIR_DOMAIN_DEF_PARSE_INACTIVE))) + if (!(ret_def = virDomainDefParseFile(domain_filename, driver.caps, xmlopt, + NULL, VIR_DOMAIN_DEF_PARSE_INACTIVE))) goto cleanup; - if (qemuMonitorTestAddAgentSyncResponse(test) < 0) + if (qemuMonitorTestAddAgentSyncResponse(ret_test) < 0) goto cleanup; - if (qemuMonitorTestAddItem(test, "guest-get-fsinfo", + if (qemuMonitorTestAddItem(ret_test, "guest-get-fsinfo", "{\"return\": [" " {\"name\": \"sda1\", \"mountpoint\": \"/\"," + " \"total-bytes\":952840192," + " \"used-bytes\":229019648," " \"disk\": [" - " {\"bus-type\": \"ide\"," + " {\"serial\": \"ARBITRARYSTRING\"," + " \"bus-type\": \"ide\"," " \"bus\": 1, \"unit\": 0," " \"pci-controller\": {" " \"bus\": 0, \"slot\": 1," " \"domain\": 0, \"function\": 1}," + " \"dev\": \"/dev/sda1\"," " \"target\": 0}]," " \"type\": \"ext4\"}," " {\"name\": \"dm-1\"," @@ -221,6 +228,32 @@ testQemuAgentGetFSInfo(const void *data) " {\"name\": \"sdb1\"," " \"mountpoint\": \"/mnt/disk\"," " \"disk\": [], \"type\": \"xfs\"}]}") < 0) + goto cleanup; + *test = ret_test; + ret_test = NULL; + *def = ret_def; + ret_def = NULL; + ret = 0; + + cleanup: + VIR_FREE(domain_filename); + if (ret_test) + qemuMonitorTestFree(ret_test); + virDomainDefFree(ret_def); + + return ret; +} + +static int +testQemuAgentGetFSInfo(const void *data) +{ + virDomainXMLOptionPtr xmlopt = (virDomainXMLOptionPtr)data; + qemuMonitorTestPtr test = NULL; + virDomainDefPtr def = NULL; + virDomainFSInfoPtr *info = NULL; + int ret = -1, ninfo = 0, i; + + if (testQemuAgentGetFSInfoCommon(xmlopt, &test, &def) < 0) goto cleanup; if ((ninfo = qemuAgentGetFSInfo(qemuMonitorTestGetAgent(test), @@ -295,7 +328,157 @@ testQemuAgentGetFSInfo(const void *data) for (i = 0; i < ninfo; i++) virDomainFSInfoFree(info[i]); VIR_FREE(info); - VIR_FREE(domain_filename); + virDomainDefFree(def); + qemuMonitorTestFree(test); + return ret; +} + +static int +testQemuAgentGetFSInfoParams(const void *data) +{ + virDomainXMLOptionPtr xmlopt = (virDomainXMLOptionPtr)data; + qemuMonitorTestPtr test = NULL; + virDomainDefPtr def = NULL; + virTypedParameterPtr params = NULL; + int nparams = 0, maxparams = 0; + int ret = -1; + unsigned int count; + + if (testQemuAgentGetFSInfoCommon(xmlopt, &test, &def) < 0) + goto cleanup; + + if (qemuAgentGetFSInfoParams(qemuMonitorTestGetAgent(test), + ¶ms, &nparams, &maxparams, def) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + "Failed to execute qemuAgentGetFSInfoParams()"); + goto cleanup; + } + + if (virTypedParamsGetUInt(params, nparams, "fs.count", &count) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + "expected filesystem count"); + goto cleanup; + } + + if (count != 3) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "expected 3 filesystems information, got %d", count); + ret = -1; + goto cleanup; + } + const char *name, *mountpoint, *fstype, *alias, *serial; + unsigned int diskcount; + unsigned long long bytesused, bytestotal; + if (virTypedParamsGetString(params, nparams, "fs.2.name", &name) < 0 || + virTypedParamsGetString(params, nparams, "fs.2.mountpoint", &mountpoint) < 0 || + virTypedParamsGetString(params, nparams, "fs.2.fstype", &fstype) < 0 || + virTypedParamsGetULLong(params, nparams, "fs.2.used-bytes", &bytesused) <= 0 || + virTypedParamsGetULLong(params, nparams, "fs.2.total-bytes", &bytestotal) <= 0 || + virTypedParamsGetUInt(params, nparams, "fs.2.disk.count", &diskcount) < 0 || + virTypedParamsGetString(params, nparams, "fs.2.disk.0.alias", &alias) < 0 || + virTypedParamsGetString(params, nparams, "fs.2.disk.0.serial", &serial) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "Missing an expected parameter for sda1 (%s,%s)", + name, alias); + ret = -1; + goto cleanup; + } + if ( + STRNEQ(name, "sda1") || + STRNEQ(mountpoint, "/") || + STRNEQ(fstype, "ext4") || + bytesused != 229019648 || + bytestotal != 952840192 || + diskcount != 1 || + STRNEQ(alias, "hdc") || + STRNEQ(serial, "ARBITRARYSTRING")) + { + virReportError(VIR_ERR_INTERNAL_ERROR, + "unexpected filesystems information returned for sda1 (%s,%s)", + name, alias); + ret = -1; + goto cleanup; + } + + const char *alias2; + if (virTypedParamsGetString(params, nparams, "fs.1.name", &name) < 0 || + virTypedParamsGetString(params, nparams, "fs.1.mountpoint", &mountpoint) < 0 || + virTypedParamsGetString(params, nparams, "fs.1.fstype", &fstype) < 0 || + virTypedParamsGetULLong(params, nparams, "fs.1.used-bytes", &bytesused) == 1 || + virTypedParamsGetULLong(params, nparams, "fs.1.total-bytes", &bytestotal) == 1 || + virTypedParamsGetUInt(params, nparams, "fs.1.disk.count", &diskcount) < 0 || + virTypedParamsGetString(params, nparams, "fs.1.disk.0.alias", &alias) < 0 || + virTypedParamsGetString(params, nparams, "fs.1.disk.1.alias", &alias2) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "Incorrect parameters for dm-1 (%s,%s)", + name, alias); + ret = -1; + goto cleanup; + } + if (STRNEQ(name, "dm-1") || + STRNEQ(mountpoint, "/opt") || + STRNEQ(fstype, "vfat") || + diskcount != 2 || + STRNEQ(alias, "vda") || + STRNEQ(alias2, "vdb")) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "unexpected filesystems information returned for dm-1 (%s,%s)", + name, alias); + ret = -1; + goto cleanup; + } + + alias = NULL; + if (virTypedParamsGetString(params, nparams, "fs.0.name", &name) < 0 || + virTypedParamsGetString(params, nparams, "fs.0.mountpoint", &mountpoint) < 0 || + virTypedParamsGetString(params, nparams, "fs.0.fstype", &fstype) < 0 || + virTypedParamsGetULLong(params, nparams, "fs.0.used-bytes", &bytesused) == 1 || + virTypedParamsGetULLong(params, nparams, "fs.0.total-bytes", &bytestotal) == 1 || + virTypedParamsGetUInt(params, nparams, "fs.0.disk.count", &diskcount) < 0 || + virTypedParamsGetString(params, nparams, "fs.0.disk.0.alias", &alias) == 1) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "Incorrect parameters for sdb1 (%s,%s)", + name, alias); + ret = -1; + goto cleanup; + } + if (STRNEQ(name, "sdb1") || + STRNEQ(mountpoint, "/mnt/disk") || + STRNEQ(fstype, "xfs") || + diskcount != 0 || + alias != NULL) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "unexpected filesystems information returned for sdb1 (%s,%s)", + name, alias); + ret = -1; + goto cleanup; + } + + if (qemuMonitorTestAddAgentSyncResponse(test) < 0) + goto cleanup; + + if (qemuMonitorTestAddItem(test, "guest-get-fsinfo", + "{\"error\":" + " {\"class\":\"CommandDisabled\"," + " \"desc\":\"The command guest-get-fsinfo " + "has been disabled for " + "this instance\"," + " \"data\":{\"name\":\"guest-get-fsinfo\"}" + " }" + "}") < 0) + goto cleanup; + + if (qemuAgentGetFSInfoParams(qemuMonitorTestGetAgent(test), ¶ms, + &nparams, &maxparams, def) != -1) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + "agent get-fsinfo command should have failed"); + goto cleanup; + } + + ret = 0; + + cleanup: + virTypedParamsFree(params, nparams); virDomainDefFree(def); qemuMonitorTestFree(test); return ret; @@ -1288,6 +1471,7 @@ mymain(void) DO_TEST(FSFreeze); DO_TEST(FSThaw); DO_TEST(FSTrim); + DO_TEST(GetFSInfoParams); DO_TEST(GetFSInfo); DO_TEST(Suspend); DO_TEST(Shutdown); -- 2.21.0 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list