Re: [libvirt] [libvirt-designer][PATCH 3/4] examples: Create an example of usage program

--- .gitignore | 1 + Makefile.am | 2 +- configure.ac | 6 +- examples/Makefile.am | 23 ++++ examples/virtxml.c | 334 ++++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 364 insertions(+), 2 deletions(-) create mode 100644 examples/Makefile.am create mode 100644 examples/virtxml.c diff --git a/.gitignore b/.gitignore index b7ba45a..d570af8 100644 --- a/.gitignore +++ b/.gitignore @@ -15,6 +15,7 @@ Makefile.in /config.log /config.status /configure +/examples/virtxml /libtool /libvirt-designer-1.0.pc /libvirt-designer.spec diff --git a/Makefile.am b/Makefile.am index b0f68c0..ab06626 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1,5 +1,5 @@ -SUBDIRS = libvirt-designer +SUBDIRS = libvirt-designer examples ACLOCAL_AMFLAGS = -I m4 diff --git a/configure.ac b/configure.ac index 795990f..ebe7b35 100644 --- a/configure.ac +++ b/configure.ac @@ -13,6 +13,7 @@ AM_SILENT_RULES([yes]) LIBOSINFO_REQUIRED=0.0.5 LIBVIRT_GCONFIG_REQUIRED=0.0.9 GOBJECT_INTROSPECTION_REQUIRED=0.10.8 +LIBVIRT_REQUIRED=0.9.0 LIBVIRT_DESIGNER_MAJOR_VERSION=`echo $VERSION | awk -F. '{print $1}'` LIBVIRT_DESIGNER_MINOR_VERSION=`echo $VERSION | awk -F. '{print $2}'` @@ -40,6 +41,7 @@ LIBVIRT_DESIGNER_COMPILE_WARNINGS PKG_CHECK_MODULES(LIBOSINFO, libosinfo-1.0 >= $LIBOSINFO_REQUIRED) PKG_CHECK_MODULES(LIBVIRT_GCONFIG, libvirt-gconfig-1.0 >= $LIBVIRT_GCONFIG_REQUIRED) +PKG_CHECK_MODULES(LIBVIRT, libvirt >= $LIBVIRT_REQUIRED) LIBVIRT_DESIGNER_GETTEXT LIBVIRT_DESIGNER_GTK_MISC @@ -51,7 +53,8 @@ LIBVIRT_DESIGNER_INTROSPECTION AC_OUTPUT(Makefile libvirt-designer/Makefile libvirt-designer.spec - libvirt-designer-1.0.pc) + libvirt-designer-1.0.pc + examples/Makefile) AC_MSG_NOTICE([]) AC_MSG_NOTICE([Configuration summary]) @@ -62,4 +65,5 @@ AC_MSG_NOTICE([ Libraries:]) AC_MSG_NOTICE([]) AC_MSG_NOTICE([ LIBOSINFO: $LIBOSINFO_CFLAGS $LIBOSINFO_LIBS]) AC_MSG_NOTICE([ LIBVIRT_GCONFIG: $LIBVIRT_GCONFIG_CFLAGS $LIBVIRT_GCONFIG_LIBS]) +AC_MSG_NOTICE([ LIBVIRT: $LIBVIRT_CFLAGS $LIBVIRT_LIBS]) AC_MSG_NOTICE([]) diff --git a/examples/Makefile.am b/examples/Makefile.am new file mode 100644 index 0000000..cc2b997 --- /dev/null +++ b/examples/Makefile.am @@ -0,0 +1,23 @@ +INCLUDES = \ + -I$(top_builddir)/libvirt-designer \ + -I$(top_srcdir) + +virtxml_LDADD = \ + $(top_builddir)/libvirt-designer/libvirt-designer-1.0.la + +virtxml_CFLAGS = \ + -I$(top_srcdir) \ + $(COVERAGE_CFLAGS) \ + -I$(top_srcdir) \

+static OsinfoDb * +get_default_osinfo_db(void) +{ + GError *err = NULL; + OsinfoLoader *loader = NULL; + OsinfoDb *ret = NULL; + + loader = osinfo_loader_new(); + osinfo_loader_process_default_path(loader, &err); + if (err) { + print_error("Unable to load default libosinfo DB: %s", err->message); + goto cleanup; + } + + ret = osinfo_loader_get_db(loader); + g_object_ref(ret);

+ +cleanup: + g_object_unref(loader); + return ret; +} + +static int +print_oses(void) +{ + OsinfoDb *db = get_default_osinfo_db(); + OsinfoOsList *list; + int i; + + if (!db) + return EXIT_FAILURE; + + list = osinfo_db_get_os_list(db); + + printf(" Operating System ID\n" + "-----------------------\n"); + for (i = 0 ; i < osinfo_list_get_length(OSINFO_LIST(list)) ; i++) { + OsinfoOs *ent = OSINFO_OS(osinfo_list_get_nth(OSINFO_LIST(list), i)); + const char *id = osinfo_entity_get_param_value(OSINFO_ENTITY(ent), + "short-id"); + if (!id) + id = osinfo_entity_get_param_value(OSINFO_ENTITY(ent), + OSINFO_ENTITY_PROP_ID); + printf("%s\n", id); + }

+static void +add_disk(gpointer data, + gpointer user_data) +{ + GVirDesignerDomain *domain = (GVirDesignerDomain *) user_data; + char *path = (char *) data; + char *format = NULL; + struct stat buf; + GError *error = NULL; + + format = strchr(path, ','); + if (format) { + *format = '\0'; + format++; + } + + if (!path || !strlen(path)) { + print_error("No path provided"); + return; + } + + if (!stat(path, &buf) && + !S_ISREG(buf.st_mode)) { + gvir_designer_domain_add_disk_device(domain, path, &error); + } else { + gvir_designer_domain_add_disk_file(domain, path, format, &error); + }

+ + if (error) + print_error("%s", error->message); + +} + +#define CHECK_ERROR \ + if (error) { \ + print_error("%s", error->message); \ + goto cleanup; \ + } + +int +main(int argc, char *argv[]) +{ + int ret = EXIT_FAILURE; + GError *error = NULL; + OsinfoOs *os = NULL; + OsinfoPlatform *platform = NULL; + GVirConfigCapabilities *caps = NULL; + GVirConfigDomain *config = NULL; + GVirDesignerDomain *domain = NULL; + virConnectPtr conn = NULL; + char *caps_str = NULL; + gchar *xml = NULL; + char *os_str = NULL; + char *platform_str = NULL; + char *arch_str = NULL; + char *connect_uri = NULL; + GList *disk_str_list = NULL; + int arg; + + struct option opt[] = { + {"help", no_argument, NULL, 'h'}, + {"connect", required_argument, NULL, 'c'}, + {"list-os", no_argument, NULL, 'O'}, + {"list-platform", no_argument, NULL, 'P'}, + {"os", required_argument, NULL, 'o'}, + {"platform", required_argument, NULL, 'p'}, + {"architecture", required_argument, NULL, 'a'}, + {"disk", required_argument, NULL, 'd'}, + {NULL, 0, NULL, 0} + }; + + if (!gvir_designer_init_check(&argc, &argv, NULL)) + return EXIT_FAILURE; + + /* Standard (non-command) options. The leading + ensures that no + * argument reordering takes place, so that command options are + * not confused with top-level virsh options. */ + while ((arg = getopt_long(argc, argv, "+hc:o:p:a:d:", opt, NULL)) != -1) { + char *progname; + switch (arg) { + case 'h': + if (!(progname = strrchr(argv[0], '/'))) + progname = argv[0]; + else + progname++; + + print_usage(progname); + exit(EXIT_SUCCESS); + break; + case 'c': + connect_uri = optarg; + break; + case 'O': + ret = print_oses(); + exit(ret); + break; + case 'P': + ret = print_platforms(); + exit(ret); + break; + case 'o': + if (os_str) { + print_error("Os already set to '%s'", os_str); + exit(EXIT_FAILURE); + } + os_str = optarg; + break; + case 'p': + if (platform_str) { + print_error("Platform already set to '%s'", platform_str); + exit(EXIT_FAILURE); + } + platform_str = optarg; + break; + case 'a': + if (arch_str) { + print_error("Architecture already set to '%s'", arch_str); + exit(EXIT_FAILURE); + } + arch_str = optarg; + break; + case 'd': + disk_str_list = g_list_append(disk_str_list, optarg); + break; + default: + print_error("Something has gone tragically wrong"); + case '?': + /* getopt_long already reported error */ + exit(EXIT_FAILURE); + } + } + + if (!os_str) { + print_error("Operating system was not specified"); + exit(EXIT_FAILURE); + } + if (!platform_str) { + print_error("Platform was not specified"); + exit(EXIT_FAILURE); + } + + conn = virConnectOpenAuth(connect_uri, virConnectAuthPtrDefault, VIR_CONNECT_RO); + if (!conn) { + print_error("Unable to connect to libvirt"); + return EXIT_FAILURE; + } + + if ((caps_str = virConnectGetCapabilities(conn)) == NULL) { + print_error("failed to get capabilities"); + goto cleanup; + } + + os = osinfo_os_new(os_str);

+ platform = osinfo_platform_new(platform_str); + caps = gvir_config_capabilities_new_from_xml(caps_str, NULL); + + domain = gvir_designer_domain_new(os, platform, caps);

+ + gvir_designer_domain_setup_machine(domain, &error); + CHECK_ERROR; + + if (arch_str) { + gvir_designer_domain_setup_container_full(domain, arch_str, &error); + CHECK_ERROR; + } + + g_list_foreach(disk_str_list, add_disk, domain); + + config = gvir_designer_domain_get_config(domain); + xml = gvir_config_object_to_xml(GVIR_CONFIG_OBJECT(config)); + + g_printf("%s\n", xml); + + ret = EXIT_SUCCESS; + +cleanup: + virConnectClose(conn); + return ret; +}