Re: [libvirt] [libvirt-designer][PATCH v2 4/4] Implement resources setting

Users can choose between minimum and recommended values for VCPU count and amount of RAM. Moreover, recommended values should inherit defaults from the minimum. --- examples/virtxml.c | 12 ++++ libvirt-designer/libvirt-designer-domain.c | 91 ++++++++++++++++++++++++++++ libvirt-designer/libvirt-designer-domain.h | 8 +++ libvirt-designer/libvirt-designer.sym | 1 + 4 files changed, 112 insertions(+), 0 deletions(-) diff --git a/examples/virtxml.c b/examples/virtxml.c index cfe25ff..2908667 100644 --- a/examples/virtxml.c +++ b/examples/virtxml.c @@ -496,6 +496,7 @@ main(int argc, char *argv[]) static char *platform_str = NULL; static char *arch_str = NULL; static char *connect_uri = NULL; + static char *resources = NULL; GOptionContext *context; static GOptionEntry entries[] = @@ -516,6 +517,8 @@ main(int argc, char *argv[]) "add disk to domain with PATH being source and FORMAT its format", "PATH[,FORMAT]"}, {"interface", 'i', 0, G_OPTION_ARG_CALLBACK, add_iface_str, "add interface with NETWORK source. Possible ARGs: mac, link={up,down}", "NETWORK[,ARG=VAL]"}, + {"resources", 'r', 0, G_OPTION_ARG_STRING, &resources, + "Set minimal or recommended values for cpu count and RAM amount", "{minimal|recommended}"}, {NULL} }; @@ -572,6 +575,15 @@ main(int argc, char *argv[]) CHECK_ERROR; } + if (resources) { + gvir_designer_domain_setup_resources(domain, resources, &error); + CHECK_ERROR; + } else { + gvir_designer_domain_setup_resources(domain, + GVIR_DESIGNER_DOMAIN_RESOURCES_RECOMMENDED, + NULL); + } + g_list_foreach(disk_str_list, add_disk, domain); g_list_foreach(iface_str_list, add_iface, domain); diff --git a/libvirt-designer/libvirt-designer-domain.c b/libvirt-designer/libvirt-designer-domain.c index 194fdf5..de4582c 100644 --- a/libvirt-designer/libvirt-designer-domain.c +++ b/libvirt-designer/libvirt-designer-domain.c @@ -1033,3 +1033,94 @@ gvir_designer_domain_add_interface_network(GVirDesignerDomain *design, return ret; } + + +static void +gvir_designer_domain_get_resources(OsinfoResourcesList *res_list, + const gchar *design_arch, + gint *design_n_cpus, + gint64 *design_ram) +{ + GList *elem_list, *elem_iterator; + + if (!res_list) + return; + + elem_list = osinfo_list_get_elements(OSINFO_LIST(res_list)); + for (elem_iterator = elem_list; elem_iterator; elem_iterator = elem_iterator->next) { + OsinfoResources *res = OSINFO_RESOURCES(elem_iterator->data); + const char *arch = osinfo_resources_get_architecture(res); + gint n_cpus = -1; + gint64 ram = -1; + + if (g_str_equal(arch, "all") || + g_str_equal(arch, design_arch)) { + n_cpus = osinfo_resources_get_n_cpus(res); + ram = osinfo_resources_get_ram(res);

+ if (n_cpus > 0) { + *design_n_cpus = n_cpus; + } + if (ram > 0) { + /* libosinfo returns RAM in B, libvirt-gconfig takes it in KB */ + *design_ram = ram / 1024; + } + break; + } + } +} + + +/** + * gvir_designer_domain_setup_resources: + * @design: (transfer none): the domain designer intance

+ * @req: (transfer none): requirements to set + * + * Set minimal or recommended resources on @design. + * + * Returns: (transfer none): TRUE when successfully set, FALSE otherwise. + */ +gboolean gvir_designer_domain_setup_resources(GVirDesignerDomain *design, + const gchar *req,