Signed-off-by: Simon Kobyda <skobyda@redhat.com> --- data/Makefile.am | 1 + data/org.libvirt.DomainSnapshot.xml | 7 +++ src/Makefile.am | 2 + src/connect.c | 6 +++ src/connect.h | 1 + src/domainsnapshot.c | 79 +++++++++++++++++++++++++++++ src/domainsnapshot.h | 9 ++++ src/util.c | 47 +++++++++++++++++ src/util.h | 16 ++++++ 9 files changed, 168 insertions(+) create mode 100644 data/org.libvirt.DomainSnapshot.xml create mode 100644 src/domainsnapshot.c create mode 100644 src/domainsnapshot.h diff --git a/data/Makefile.am b/data/Makefile.am index f8311bd..5617c78 100644 --- a/data/Makefile.am +++ b/data/Makefile.am @@ -33,6 +33,7 @@ polkit_DATA = \ interfaces_files = \ org.libvirt.Connect.xml \ org.libvirt.Domain.xml \ + org.libvirt.DomainSnapshot.xml \ org.libvirt.Interface.xml \ org.libvirt.Network.xml \ org.libvirt.NodeDevice.xml \ diff --git a/data/org.libvirt.DomainSnapshot.xml b/data/org.libvirt.DomainSnapshot.xml new file mode 100644 index 0000000..80f61c6 --- /dev/null +++ b/data/org.libvirt.DomainSnapshot.xml @@ -0,0 +1,7 @@ +<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" +"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd"> + +<node name="/org/libvirt/snapshot"> + <interface name="org.libvirt.DomainSnapshot"> + </interface> +</node> diff --git a/src/Makefile.am b/src/Makefile.am index 845696e..a78bac8 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -37,6 +37,8 @@ libvirt_dbus_SOURCES = \ connect.h \ domain.c \ domain.h \ + domainsnapshot.c \ + domainsnapshot.h \ events.c \ events.h \ gdbus.c \ diff --git a/src/connect.c b/src/connect.c index f8f76a2..b40b0ba 100644 --- a/src/connect.c +++ b/src/connect.c @@ -1,5 +1,6 @@ #include "connect.h" #include "domain.h" +#include "domainsnapshot.h" #include "events.h" #include "interface.h" #include "network.h" @@ -2002,6 +2003,7 @@ virtDBusConnectFree(virtDBusConnect *connect) virtDBusConnectClose(connect, TRUE); g_free(connect->domainPath); + g_free(connect->domainSnapshotPath); g_free(connect->interfacePath); g_free(connect->networkPath); g_free(connect->nodeDevPath); @@ -2062,6 +2064,10 @@ virtDBusConnectNew(virtDBusConnect **connectp, if (error && *error) return; + virtDBusDomainSnapshotRegister(connect, error); + if (error && *error) + return; + virtDBusInterfaceRegister(connect, error); if (error && *error) return; diff --git a/src/connect.h b/src/connect.h index 829bd57..74c89cf 100644 --- a/src/connect.h +++ b/src/connect.h @@ -13,6 +13,7 @@ struct virtDBusConnect { const gchar *uri; const gchar *connectPath; gchar *domainPath; + gchar *domainSnapshotPath; gchar *interfacePath; gchar *networkPath; gchar *nodeDevPath; diff --git a/src/domainsnapshot.c b/src/domainsnapshot.c new file mode 100644 index 0000000..590cbef --- /dev/null +++ b/src/domainsnapshot.c @@ -0,0 +1,79 @@ +#include "domainsnapshot.h" +#include "util.h" + +#include <libvirt/libvirt.h> + +static virtDBusGDBusPropertyTable virtDBusDomainSnapshotPropertyTable[] = { + { 0 } +}; + +static virtDBusGDBusMethodTable virtDBusDomainSnapshotMethodTable[] = { + { 0 } +}; + +static gchar ** +virtDBusDomainSnapshotEnumerate(gpointer userData) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainPtr) domains = NULL; + gint numDoms = 0; + GPtrArray *list = NULL; + + if (!virtDBusConnectOpen(connect, NULL)) + return NULL; + + numDoms = virConnectListAllDomains(connect->connection, &domains, 0); + if (numDoms <= 0) + return NULL; + + list = g_ptr_array_new(); + + for (gint i = 0; i < numDoms; i++) { + g_autoptr(virDomainSnapshotPtr) domainSnapshots = NULL; + gint numSnaps; + + numSnaps = virDomainListAllSnapshots(domains[i], &domainSnapshots, 0); + if (numSnaps <= 0) + continue; + + for (gint j = 0; j < numSnaps; j++) { + gchar *snapPath = virtDBusUtilBusPathForVirDomainSnapshot(domains[i], + domainSnapshots[j], + connect->domainSnapshotPath); + g_ptr_array_add(list, snapPath); + } + } + + gchar **ret = g_new0(gchar *, numDoms + 1); + + for (gint i = 0; i < numDoms; i++) { + ret[i] = virtDBusUtilBusPathForVirDomain(domains[i], + connect->domainPath); + } + + return ret; +} + +static GDBusInterfaceInfo *interfaceInfo = NULL; + +void +virtDBusDomainSnapshotRegister(virtDBusConnect *connect, + GError **error) +{ + connect->domainSnapshotPath = g_strdup_printf("%s/snapshot", connect->connectPath); + + if (!interfaceInfo) { + interfaceInfo = virtDBusGDBusLoadIntrospectData(VIRT_DBUS_DOMAIN_SNAPSHOT_INTERFACE, + error); + if (!interfaceInfo) + return; + } + + virtDBusGDBusRegisterSubtree(connect->bus, + connect->domainSnapshotPath, + interfaceInfo, + virtDBusDomainSnapshotEnumerate, + virtDBusDomainSnapshotMethodTable, + virtDBusDomainSnapshotPropertyTable, + connect); +} diff --git a/src/domainsnapshot.h b/src/domainsnapshot.h new file mode 100644 index 0000000..7d8a938 --- /dev/null +++ b/src/domainsnapshot.h @@ -0,0 +1,9 @@ +#pragma once + +#include "connect.h" + +#define VIRT_DBUS_DOMAIN_SNAPSHOT_INTERFACE "org.libvirt.DomainSnapshot" + +void +virtDBusDomainSnapshotRegister(virtDBusConnect *connect, + GError **error); diff --git a/src/util.c b/src/util.c index 103bb29..2be616c 100644 --- a/src/util.c +++ b/src/util.c @@ -279,6 +279,53 @@ virtDBusUtilVirDomainListFree(virDomainPtr *domains) g_free(domains); } +virDomainSnapshotPtr +virtDBusUtilVirDomainSnapshotFromBusPath(virConnectPtr connection, + const gchar *path, + const gchar *domainSnapshotPath) +{ + g_autofree gchar *domainName = NULL; + g_autofree gchar *snapshotName = NULL; + g_autoptr(virDomain) domain = NULL; + gsize prefixLen = strlen(domainSnapshotPath) + 1; + gchar** strings = g_strsplit(path + prefixLen, "_", 2); + + domainName = virtDBusUtilDecodeStr(strings[0]); + snapshotName = virtDBusUtilDecodeStr(strings[1]); + + domain = virDomainLookupByName(connection, domainName); + + return virDomainSnapshotLookupByName(domain, snapshotName, 0); // TODO flags for external? +} + +gchar * +virtDBusUtilBusPathForVirDomainSnapshot(virDomainPtr domain, + virDomainSnapshotPtr domainSnapshot, + const gchar *domainSnapshotPath) +{ + const gchar *snapshotName = NULL; + const gchar *domainName = NULL; + g_autofree const gchar *encodedDomainNameStr = NULL; + g_autofree const gchar *encodedSnapshotNameStr = NULL; + + domainName = virDomainGetName(domain); + snapshotName = virDomainSnapshotGetName(domainSnapshot); + encodedDomainNameStr = virtDBusUtilEncodeStr(domainName); + encodedSnapshotNameStr = virtDBusUtilEncodeStr(snapshotName); + + return g_strdup_printf("%s/%s_%s", domainSnapshotPath, + encodedDomainNameStr, encodedSnapshotNameStr); +} + +void +virtDBusUtilVirDomainSnapshotListFree(virDomainSnapshotPtr* domainSnapshots) +{ + for (gint i = 0; domainSnapshots[i] != NULL; i++) + virDomainSnapshotFree(domainSnapshots[i]); + + g_free(domainSnapshots); +} + virInterfacePtr virtDBusUtilVirInterfaceFromBusPath(virConnectPtr connection, const gchar *path, diff --git a/src/util.h b/src/util.h index b05c2fc..c0b314d 100644 --- a/src/util.h +++ b/src/util.h @@ -65,6 +65,22 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainPtr, virtDBusUtilVirDomainListFree); G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainStatsRecordPtr, virDomainStatsRecordListFree); +virDomainSnapshotPtr +virtDBusUtilVirDomainSnapshotFromBusPath(virConnectPtr connection, + const gchar *path, + const gchar *domainSnapshotPath); + +gchar * +virtDBusUtilBusPathForVirDomainSnapshot(virDomainPtr domain, + virDomainSnapshotPtr domainSnapshot, + const gchar *domainSnapshotPath); + +void +virtDBusUtilVirDomainSnapshotListFree(virDomainSnapshotPtr* domainSnapshots); + +G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainSnapshot, virDomainSnapshotFree); +G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainSnapshotPtr, virtDBusUtilVirDomainSnapshotListFree); + virInterfacePtr virtDBusUtilVirInterfaceFromBusPath(virConnectPtr connection, const gchar *path, -- 2.21.0

Signed-off-by: Simon Kobyda <skobyda@redhat.com> --- data/org.libvirt.Domain.xml | 26 ++++ data/org.libvirt.DomainSnapshot.xml | 34 +++++ src/domain.c | 158 +++++++++++++++++++++ src/domainsnapshot.c | 204 +++++++++++++++++++++++++++- tests/Makefile.am | 1 + tests/libvirttest.py | 14 ++ tests/test_domain.py | 8 ++ tests/test_snapshot.py | 43 ++++++ tests/xmldata.py | 6 + 9 files changed, 493 insertions(+), 1 deletion(-) create mode 100755 tests/test_snapshot.py diff --git a/data/org.libvirt.Domain.xml b/data/org.libvirt.Domain.xml index b4ed495..f03faf8 100644 --- a/data/org.libvirt.Domain.xml +++ b/data/org.libvirt.Domain.xml @@ -350,6 +350,12 @@ <arg name="flags" type="u" direction="in"/> <arg name="ifaces" type="a(ssa(isu))" direction="out"/> </method> + <method name="ListDomainSnapshots"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainListAllSnapshots"/> + <arg name="flags" type="u" direction="in"/> + <arg name="snaps" type="ao" direction="out"/> + </method> <method name="ManagedSave"> <annotation name="org.gtk.GDBus.DocString" value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainManagedSave"/> @@ -589,6 +595,26 @@ value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainShutdownFlags"/> <arg name="flags" type="u" direction="in"/> </method> + <method name="SnapshotCurrent"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotCurrent"/> + <arg name="flags" type="u" direction="in"/> + <arg name="domainSnapshot" type="o" direction="out"/> + </method> + <method name="SnapshotCreateXML"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotCreateXML"/> + <arg name="xml" type="s" direction="in"/> + <arg name="flags" type="u" direction="in"/> + <arg name="domainSnapshot" type="o" direction="out"/> + </method> + <method name="SnapshotLookupByName"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotLookupByName"/> + <arg name="name" type="s" direction="in"/> + <arg name="flags" type="u" direction="in"/> + <arg name="domainSnapshot" type="o" direction="out"/> + </method> <method name="Suspend"> <annotation name="org.gtk.GDBus.DocString" value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainSuspend"/> diff --git a/data/org.libvirt.DomainSnapshot.xml b/data/org.libvirt.DomainSnapshot.xml index 80f61c6..463654f 100644 --- a/data/org.libvirt.DomainSnapshot.xml +++ b/data/org.libvirt.DomainSnapshot.xml @@ -3,5 +3,39 @@ <node name="/org/libvirt/snapshot"> <interface name="org.libvirt.DomainSnapshot"> + <method name="Delete"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotDelete"/> + <arg name="flags" type="u" direction="in"/> + </method> + <method name="GetParent"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotGetParent"/> + <arg name="flags" type="u" direction="in"/> + <arg name="parent" type="o" direction="out"/> + </method> + <method name="GetXMLDesc"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotGetXMLDesc"/> + <arg name="flags" type="u" direction="in"/> + <arg name="xml" type="s" direction="out"/> + </method> + <method name="IsCurrent"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotIsCurrent"/> + <arg name="flags" type="u" direction="in"/> + <arg name="current" type="b" direction="out"/> + </method> + <method name="ListChildren"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainSnapshotListAllChildren"/> + <arg name="flags" type="u" direction="in"/> + <arg name="snaps" type="ao" direction="out"/> + </method> + <method name="Revert"> + <annotation name="org.gtk.GDBus.DocString" + value="See https://libvirt.org/html/libvirt-libvirt-domain-snapshot.html#virDomainRevertToSnapshot"/> + <arg name="flags" type="u" direction="in"/> + </method> </interface> </node> diff --git a/src/domain.c b/src/domain.c index 10fa8de..3fc5bab 100644 --- a/src/domain.c +++ b/src/domain.c @@ -1857,6 +1857,50 @@ virtDBusDomainInjectNMI(GVariant *inArgs, virtDBusUtilSetLastVirtError(error); } +static void +virtDBusDomainListDomainSnapshots(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomain) domain = NULL; + g_autoptr(virDomainSnapshotPtr) domainSnapshots = NULL; + guint flags; + GVariantBuilder builder; + GVariant *gdomainSnapshots; + + g_variant_get(inArgs, "(u)", &flags); + + domain = virtDBusDomainGetVirDomain(connect, objectPath, + error); + if (!domain) + return; + + if (!virtDBusConnectOpen(connect, error)) + return; + + if (virDomainListAllSnapshots(domain, &domainSnapshots, flags) < 0) + return virtDBusUtilSetLastVirtError(error); + + g_variant_builder_init(&builder, G_VARIANT_TYPE("ao")); + + for (gint i = 0; domainSnapshots[i]; i++) { + g_autofree gchar *path = NULL; + path = virtDBusUtilBusPathForVirDomainSnapshot(domain, + domainSnapshots[i], + connect->domainSnapshotPath); + + g_variant_builder_add(&builder, "o", path); + } + + gdomainSnapshots = g_variant_builder_end(&builder); + *outArgs = g_variant_new_tuple(&gdomainSnapshots, 1); +} + static void virtDBusDomainInterfaceAddresses(GVariant *inArgs, GUnixFDList *inFDs G_GNUC_UNUSED, @@ -2966,6 +3010,116 @@ virtDBusDomainShutdown(GVariant *inArgs, virtDBusUtilSetLastVirtError(error); } +static void +virtDBusDomainSnapshotCurrent(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autofree gchar *path = NULL; + g_autoptr(virDomain) domain = NULL; + g_autoptr(virDomainSnapshot) snapshot = NULL; + guint flags; + + g_variant_get(inArgs, "(u)", &flags); + + domain = virtDBusDomainGetVirDomain(connect, objectPath, + error); + if (!domain) + return; + + if (!virtDBusConnectOpen(connect, error)) + return; + + snapshot = virDomainSnapshotCurrent(domain, flags); + if (!snapshot) + return virtDBusUtilSetLastVirtError(error); + + path = virtDBusUtilBusPathForVirDomainSnapshot(domain, + snapshot, + connect->domainSnapshotPath); + + *outArgs = g_variant_new("(o)", path); +} + +static void +virtDBusDomainSnapshotCreateXML(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autofree gchar *path = NULL; + g_autoptr(virDomain) domain = NULL; + g_autoptr(virDomainSnapshot) snapshot = NULL; + guint flags; + const gchar *xml; + + g_variant_get(inArgs, "(su)", &xml, &flags); + + domain = virtDBusDomainGetVirDomain(connect, objectPath, + error); + if (!domain) + return; + + if (!virtDBusConnectOpen(connect, error)) + return; + + snapshot = virDomainSnapshotCreateXML(domain, xml, flags); + if (!snapshot) + return virtDBusUtilSetLastVirtError(error); + + path = virtDBusUtilBusPathForVirDomainSnapshot(domain, + snapshot, + connect->domainSnapshotPath); + + *outArgs = g_variant_new("(o)", path); +} + +static void +virtDBusDomainSnapshotLookupByName(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autofree gchar *path = NULL; + g_autoptr(virDomain) domain = NULL; + g_autoptr(virDomainSnapshot) snapshot = NULL; + guint flags; + const gchar *name; + + g_variant_get(inArgs, "(su)", &name, &flags); + + domain = virtDBusDomainGetVirDomain(connect, objectPath, + error); + if (!domain) + return; + + if (!virtDBusConnectOpen(connect, error)) + return; + + snapshot = virDomainSnapshotLookupByName(domain, name, flags); + if (!snapshot) + return virtDBusUtilSetLastVirtError(error); + + path = virtDBusUtilBusPathForVirDomainSnapshot(domain, + snapshot, + connect->domainSnapshotPath); + + *outArgs = g_variant_new("(o)", path); +} + static void virtDBusDomainSuspend(GVariant *inArgs G_GNUC_UNUSED, GUnixFDList *inFDs G_GNUC_UNUSED, @@ -3095,6 +3249,7 @@ static virtDBusGDBusMethodTable virtDBusDomainMethodTable[] = { { "HasManagedSaveImage", virtDBusDomainHasManagedSaveImage }, { "InjectNMI", virtDBusDomainInjectNMI }, { "InterfaceAddresses", virtDBusDomainInterfaceAddresses }, + { "ListDomainSnapshots", virtDBusDomainListDomainSnapshots }, { "ManagedSave", virtDBusDomainManagedSave }, { "ManagedSaveRemove", virtDBusDomainManagedSaveRemove }, { "MemoryPeek", virtDBusDomainMemoryPeek }, @@ -3132,6 +3287,9 @@ static virtDBusGDBusMethodTable virtDBusDomainMethodTable[] = { { "SetSchedulerParameters", virtDBusDomainSetSchedulerParameters }, { "SetTime", virtDBusDomainSetTime }, { "SetUserPassword", virtDBusDomainSetUserPassword }, + { "SnapshotCurrent", virtDBusDomainSnapshotCurrent }, + { "SnapshotCreateXML", virtDBusDomainSnapshotCreateXML }, + { "SnapshotLookupByName", virtDBusDomainSnapshotLookupByName }, { "Shutdown", virtDBusDomainShutdown }, { "Suspend", virtDBusDomainSuspend }, { "Undefine", virtDBusDomainUndefine }, diff --git a/src/domainsnapshot.c b/src/domainsnapshot.c index 590cbef..4bffe5d 100644 --- a/src/domainsnapshot.c +++ b/src/domainsnapshot.c @@ -1,14 +1,216 @@ #include "domainsnapshot.h" +#include "domain.h" #include "util.h" #include <libvirt/libvirt.h> +static void +virtDBusDomainSnapshotDelete(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainSnapshot) domainSnapshot = NULL; + guint flags; + + g_variant_get(inArgs, "(u)", &flags); + + domainSnapshot = virtDBusUtilVirDomainSnapshotFromBusPath(connect->connection, + objectPath, + connect->domainSnapshotPath); + if (!domainSnapshot) + return; + + if (virDomainSnapshotDelete(domainSnapshot, flags) < 0) + return virtDBusUtilSetLastVirtError(error); +} + +static void +virtDBusDomainSnapshotGetParent(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainSnapshot) domainSnapshot = NULL; + g_autoptr(virDomainSnapshot) parent = NULL; + guint flags; + g_autofree gchar *domainName = NULL; + g_autoptr(virDomain) domain = NULL; + gsize prefixLen = strlen(connect->domainSnapshotPath) + 1; + gchar** strings = g_strsplit(objectPath + prefixLen, "_", 2); + g_autofree gchar *parentPath = NULL; + + g_variant_get(inArgs, "(u)", &flags); + + domainSnapshot = virtDBusUtilVirDomainSnapshotFromBusPath(connect->connection, + objectPath, + connect->domainSnapshotPath); + if (!domainSnapshot) + return; + + parent = virDomainSnapshotGetParent(domainSnapshot, flags); + if (!parent) + return virtDBusUtilSetLastVirtError(error); + + domainName = virtDBusUtilDecodeStr(strings[0]); + domain = virDomainLookupByName(connect->connection, domainName); + parentPath = virtDBusUtilBusPathForVirDomainSnapshot(domain, + parent, + connect->domainSnapshotPath); + + *outArgs = g_variant_new("(o)", parentPath); +} + +static void +virtDBusDomainSnapshotGetXMLDesc(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainSnapshot) domainSnapshot = NULL; + guint flags; + g_autofree gchar *xml = NULL; + + g_variant_get(inArgs, "(u)", &flags); + + domainSnapshot = virtDBusUtilVirDomainSnapshotFromBusPath(connect->connection, + objectPath, + connect->domainSnapshotPath); + if (!domainSnapshot) + return; + + xml = virDomainSnapshotGetXMLDesc(domainSnapshot, flags); + if (!xml) + return virtDBusUtilSetLastVirtError(error); + + *outArgs = g_variant_new("(s)", xml); +} + +static void +virtDBusDomainSnapshotIsCurrent(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainSnapshot) domainSnapshot = NULL; + guint flags; + gint isCurrent; + + g_variant_get(inArgs, "(u)", &flags); + + domainSnapshot = virtDBusUtilVirDomainSnapshotFromBusPath(connect->connection, + objectPath, + connect->domainSnapshotPath); + if (!domainSnapshot) + return; + + isCurrent = virDomainSnapshotIsCurrent(domainSnapshot, flags); + if (isCurrent < 0) + return virtDBusUtilSetLastVirtError(error); + + *outArgs = g_variant_new("(b)", !!isCurrent); +} + +static void +virtDBusDomainSnapshotListAllChildren(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainSnapshot) domainSnapshot = NULL; + g_autoptr(virDomainSnapshotPtr) snaps = NULL; + guint flags; + GVariantBuilder builder; + GVariant *gdomainSnapshots; + g_autofree gchar *domainName = NULL; + g_autoptr(virDomain) domain = NULL; + gsize prefixLen = strlen(connect->domainSnapshotPath) + 1; + gchar** strings = g_strsplit(objectPath + prefixLen, "_", 2); + + g_variant_get(inArgs, "(u)", &flags); + + domainSnapshot = virtDBusUtilVirDomainSnapshotFromBusPath(connect->connection, + objectPath, + connect->domainSnapshotPath); + if (!domainSnapshot) + return; + + if (virDomainSnapshotListAllChildren(domainSnapshot, &snaps, flags) < 0) + return virtDBusUtilSetLastVirtError(error); + + g_variant_builder_init(&builder, G_VARIANT_TYPE("ao")); + + domainName = virtDBusUtilDecodeStr(strings[0]); + domain = virDomainLookupByName(connect->connection, domainName); + for (gint i = 0; snaps[i]; i++) { + g_autofree gchar *path = NULL; + path = virtDBusUtilBusPathForVirDomainSnapshot(domain, + snaps[i], + connect->domainSnapshotPath); + + g_variant_builder_add(&builder, "o", path); + } + + gdomainSnapshots = g_variant_builder_end(&builder); + *outArgs = g_variant_new_tuple(&gdomainSnapshots, 1); +} + +static void +virtDBusDomainSnapshotRevert(GVariant *inArgs, + GUnixFDList *inFDs G_GNUC_UNUSED, + const gchar *objectPath, + gpointer userData, + GVariant **outArgs G_GNUC_UNUSED, + GUnixFDList **outFDs G_GNUC_UNUSED, + GError **error) +{ + virtDBusConnect *connect = userData; + g_autoptr(virDomainSnapshot) domainSnapshot = NULL; + guint flags; + + g_variant_get(inArgs, "(u)", &flags); + + domainSnapshot = virtDBusUtilVirDomainSnapshotFromBusPath(connect->connection, + objectPath, + connect->domainSnapshotPath); + if (!domainSnapshot) + return; + + if (virDomainRevertToSnapshot(domainSnapshot, flags) < 0) + return virtDBusUtilSetLastVirtError(error); +} + static virtDBusGDBusPropertyTable virtDBusDomainSnapshotPropertyTable[] = { { 0 } }; static virtDBusGDBusMethodTable virtDBusDomainSnapshotMethodTable[] = { - { 0 } + { "Delete", virtDBusDomainSnapshotDelete }, + { "GetParent", virtDBusDomainSnapshotGetParent }, + { "GetXMLDesc", virtDBusDomainSnapshotGetXMLDesc }, + { "IsCurrent", virtDBusDomainSnapshotIsCurrent }, // Needs to be method since it takes 'flags' parameter + { "ListChildren", virtDBusDomainSnapshotListAllChildren }, + { "Revert", virtDBusDomainSnapshotRevert }, }; static gchar ** diff --git a/tests/Makefile.am b/tests/Makefile.am index cd1fbd7..7757429 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -14,6 +14,7 @@ test_programs = \ test_interface.py \ test_network.py \ test_nodedev.py \ + test_snapshot.py \ test_storage.py \ $(NULL) diff --git a/tests/libvirttest.py b/tests/libvirttest.py index a442196..8462fc3 100644 --- a/tests/libvirttest.py +++ b/tests/libvirttest.py @@ -112,6 +112,20 @@ class BaseTestClass(): """ return self.node_device_create() + @pytest.fixture + def snapshot_create(self): + """ Fixture to create simple snapshot the test driver + + This fixture should be used in the setup of every test manipulating + with snaphots. + """ + _, test_domain = self.get_test_domain() + interface_obj = dbus.Interface(test_domain, 'org.libvirt.Domain') + path = interface_obj.SnapshotCreateXML(xmldata.minimal_snapshot_xml, 0) + obj = self.bus.get_object('org.libvirt', path) + interface_obj = dbus.Interface(obj, 'org.libvirt.DomainSnapshot') + return interface_obj + @pytest.fixture def storage_volume_create(self): """ Fixture to create dummy storage volume on the test driver diff --git a/tests/test_domain.py b/tests/test_domain.py index b5879b4..fdb5aa4 100755 --- a/tests/test_domain.py +++ b/tests/test_domain.py @@ -2,6 +2,7 @@ import dbus import libvirttest +import xmldata DBUS_EXCEPTION_MISSING_FUNCTION = 'this function is not supported by the connection driver' @@ -160,6 +161,13 @@ class TestDomain(libvirttest.BaseTestClass): pinInfo = domain.GetVcpuPinInfo(0) assert pinInfo == pinInfo_expected + def test_snapshot(self): + obj, domain = self.get_test_domain() + domain.SnapshotCreateXML(xmldata.minimal_snapshot_xml, 0) + assert isinstance(domain.SnapshotCurrent(0), dbus.ObjectPath) + assert isinstance(domain.SnapshotLookupByName("my_snapshot", 0), dbus.ObjectPath) + assert isinstance(domain.ListDomainSnapshots(0), dbus.Array) if __name__ == '__main__': libvirttest.run() + diff --git a/tests/test_snapshot.py b/tests/test_snapshot.py new file mode 100755 index 0000000..e9cc5b9 --- /dev/null +++ b/tests/test_snapshot.py @@ -0,0 +1,43 @@ +#!/usr/bin/env python3 + +import dbus +import libvirttest +import pytest + +EXCEPTION_NO_PARENT = 'does not have a parent' + +@pytest.mark.usefixtures("snapshot_create") +class TestSnapshot(libvirttest.BaseTestClass): + """ Tests for methods and properties of the Snapshot snapshot + """ + + def test_snapshot_delete(self, snapshot_create): + snapshot_obj = snapshot_create + snapshot_obj.Delete(0) + + def test_snapshot_get_parent(self, snapshot_create): + snapshot_obj = snapshot_create + try: + snapshot_obj.GetParent(0) + except dbus.exceptions.DBusException as e: + if not any(EXCEPTION_NO_PARENT in arg for arg in e.args): + raise e + + def test_snapshot_get_xml(self, snapshot_create): + snapshot_obj = snapshot_create + assert isinstance(snapshot_obj.GetXMLDesc(0), dbus.String) + + def test_snapshot_get_is_current(self, snapshot_create): + snapshot_obj = snapshot_create + assert isinstance(snapshot_obj.IsCurrent(0), dbus.Boolean) + + def test_snapshot_list_children(self, snapshot_create): + snapshot_obj = snapshot_create + assert isinstance(snapshot_obj.ListChildren(0), dbus.Array) + + def test_snapshot_revert(self, snapshot_create): + snapshot_obj = snapshot_create + snapshot_obj.Revert(0) + +if __name__ == '__main__': + libvirttest.run() diff --git a/tests/xmldata.py b/tests/xmldata.py index 8075052..0146ccf 100644 --- a/tests/xmldata.py +++ b/tests/xmldata.py @@ -54,6 +54,12 @@ minimal_node_device_xml = ''' </device> ''' +minimal_snapshot_xml = ''' +<domainsnapshot> + <name>my_snapshot</name> +</domainsnapshot> +''' + minimal_storage_pool_xml = ''' <pool type='dir'> <name>foo</name> -- 2.21.0