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Implement autostart for XM driver
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1eeceaa649
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@ -1,3 +1,12 @@
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Tue Nov 25 10:49:40 GMT 2008 Daniel P. Berrange <berrange@redhat.com>
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* src/Makefile.am: Remove unneccessary $(builddir) usage which
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breaks on older automake. Remove duplicate CFLAGS from merge
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error
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* src/xen_unified.c: Wire up XM driver for autostart
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* src/xm_internal.h, src/xm_internal.c: Implement domain
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autostart functions for /etc/xen/auto
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Tue Nov 25 10:43:40 GMT 2008 Daniel P. Berrange <berrange@redhat.com>
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Xen domain lifecycle events (Ben Guthro & Daniel Berrange)
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@ -192,8 +192,6 @@ libvirt_driver_la_SOURCES = \
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libvirt_driver_la_CFLAGS = $(XEN_CFLAGS)
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libvirt_driver_la_LDFLAGS = $(XEN_LIBS)
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libvirt_driver_la_CFLAGS = $(XEN_CFLAGS)
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if WITH_TEST
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if WITH_DRIVER_MODULES
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mod_LTLIBRARIES += libvirt_driver_test.la
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@ -397,14 +395,14 @@ EXTRA_DIST += \
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libvirt_la_SOURCES =
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libvirt_la_LIBADD += \
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@CYGWIN_EXTRA_LIBADD@ ../gnulib/lib/libgnu.la
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libvirt_la_LDFLAGS = -Wl,--version-script=$(builddir)/libvirt_sym.version \
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libvirt_la_LDFLAGS = -Wl,--version-script=libvirt_sym.version \
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-version-info @LIBVIRT_VERSION_INFO@ \
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$(COVERAGE_CFLAGS:-f%=-Wc,-f%) \
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$(LIBXML_LIBS) $(SELINUX_LIBS) \
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$(XEN_LIBS) $(DRIVER_MODULE_LIBS) \
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@CYGWIN_EXTRA_LDFLAGS@ @MINGW_EXTRA_LDFLAGS@
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libvirt_la_CFLAGS = $(COVERAGE_CFLAGS) -DIN_LIBVIRT
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libvirt_la_DEPENDENCIES = $(libvirt_la_LIBADD) $(builddir)/libvirt_sym.version
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libvirt_la_DEPENDENCIES = $(libvirt_la_LIBADD) libvirt_sym.version
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# Create an automake "convenience library" version of libvirt_la,
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# just for testing, since the test harness requires access to internal
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@ -1159,13 +1159,16 @@ static int
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xenUnifiedDomainGetAutostart (virDomainPtr dom, int *autostart)
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{
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GET_PRIVATE(dom->conn);
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int i;
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for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
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if (priv->opened[i] && drivers[i]->domainGetAutostart &&
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drivers[i]->domainGetAutostart (dom, autostart) == 0)
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return 0;
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if (priv->xendConfigVersion < 3) {
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if (priv->opened[XEN_UNIFIED_XM_OFFSET])
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return xenXMDomainGetAutostart(dom, autostart);
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} else {
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if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
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return xenDaemonDomainGetAutostart(dom, autostart);
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}
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xenUnifiedError (dom->conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
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return -1;
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}
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@ -1173,13 +1176,16 @@ static int
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xenUnifiedDomainSetAutostart (virDomainPtr dom, int autostart)
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{
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GET_PRIVATE(dom->conn);
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int i;
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for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
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if (priv->opened[i] && drivers[i]->domainSetAutostart &&
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drivers[i]->domainSetAutostart (dom, autostart) == 0)
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return 0;
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if (priv->xendConfigVersion < 3) {
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if (priv->opened[XEN_UNIFIED_XM_OFFSET])
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return xenXMDomainSetAutostart(dom, autostart);
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} else {
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if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
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return xenDaemonDomainSetAutostart(dom, autostart);
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}
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xenUnifiedError (dom->conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
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return -1;
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}
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@ -2669,3 +2669,84 @@ xenXMDomainBlockPeek (virDomainPtr dom,
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return -1;
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}
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static char *xenXMAutostartLinkName(virDomainPtr dom)
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{
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char *ret;
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if (asprintf(&ret, "/etc/xen/auto/%s", dom->name) < 0)
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return NULL;
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return ret;
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}
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static char *xenXMDomainConfigName(virDomainPtr dom)
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{
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char *ret;
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if (asprintf(&ret, "/etc/xen/%s", dom->name) < 0)
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return NULL;
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return ret;
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}
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int xenXMDomainGetAutostart(virDomainPtr dom, int *autostart)
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{
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char *linkname = xenXMAutostartLinkName(dom);
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char *config = xenXMDomainConfigName(dom);
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int ret = -1;
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if (!linkname || !config) {
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xenXMError(dom->conn, VIR_ERR_NO_MEMORY, NULL);
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goto cleanup;
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}
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*autostart = virFileLinkPointsTo(linkname, config);
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if (*autostart < 0) {
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xenXMError(dom->conn, VIR_ERR_INTERNAL_ERROR,
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_("failed to check autostart link %s: %s"),
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linkname, strerror(errno));
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(linkname);
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VIR_FREE(config);
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return ret;
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}
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int xenXMDomainSetAutostart(virDomainPtr dom, int autostart)
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{
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char *linkname = xenXMAutostartLinkName(dom);
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char *config = xenXMDomainConfigName(dom);
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int ret = -1;
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if (!linkname || !config) {
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xenXMError(dom->conn, VIR_ERR_NO_MEMORY, NULL);
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goto cleanup;
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}
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if (autostart) {
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if (symlink(config, linkname) < 0 &&
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errno != EEXIST) {
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xenXMError(dom->conn, VIR_ERR_INTERNAL_ERROR,
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"failed to create link %s: %s",
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linkname, strerror(errno));
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goto cleanup;
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}
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} else {
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if (unlink(linkname) < 0 &&
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errno != ENOENT) {
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xenXMError(dom->conn, VIR_ERR_INTERNAL_ERROR,
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"failed to remove link %s: %s",
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linkname, strerror(errno));
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goto cleanup;
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}
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}
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ret = 0;
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cleanup:
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VIR_FREE(linkname);
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VIR_FREE(config);
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return ret;
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}
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@ -65,4 +65,7 @@ virDomainDefPtr xenXMDomainConfigParse(virConnectPtr conn, virConfPtr conf);
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int xenXMDomainBlockPeek (virDomainPtr dom, const char *path, unsigned long long offset, size_t size, void *buffer);
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int xenXMDomainGetAutostart(virDomainPtr dom, int *autostart);
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int xenXMDomainSetAutostart(virDomainPtr dom, int autostart);
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#endif
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