From patchwork Wed Dec 30 02:37:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Congyang X-Patchwork-Id: 7931681 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 473F5BEEE5 for ; Wed, 30 Dec 2015 02:40:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F0E65201F4 for ; Wed, 30 Dec 2015 02:40:45 +0000 (UTC) Received: from lists.xen.org (lists.xenproject.org [50.57.142.19]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 87E852013D for ; Wed, 30 Dec 2015 02:40:44 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aE6fK-0003Nk-I2; Wed, 30 Dec 2015 02:39:06 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aE6fF-00030T-Sj for xen-devel@lists.xen.org; Wed, 30 Dec 2015 02:39:02 +0000 Received: from [85.158.143.35] by server-1.bemta-4.messagelabs.com id 23/F5-21571-5C343865; Wed, 30 Dec 2015 02:39:01 +0000 X-Env-Sender: wency@cn.fujitsu.com X-Msg-Ref: server-6.tower-21.messagelabs.com!1451443105!7658664!10 X-Originating-IP: [59.151.112.132] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 52975 invoked from network); 30 Dec 2015 02:38:59 -0000 Received: from cn.fujitsu.com (HELO heian.cn.fujitsu.com) (59.151.112.132) by server-6.tower-21.messagelabs.com with SMTP; 30 Dec 2015 02:38:59 -0000 X-IronPort-AV: E=Sophos;i="5.20,346,1444665600"; d="scan'208";a="2080201" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 30 Dec 2015 10:38:42 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (unknown [10.167.33.80]) by cn.fujitsu.com (Postfix) with ESMTP id 357D541887FB; Wed, 30 Dec 2015 10:38:25 +0800 (CST) Received: from G08FNSTD140052.g08.fujitsu.local (10.167.226.52) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Wed, 30 Dec 2015 10:38:24 +0800 From: Wen Congyang To: xen devel , Andrew Cooper , Ian Campbell , Ian Jackson , Wei Liu Date: Wed, 30 Dec 2015 10:37:55 +0800 Message-ID: <1451443075-27428-26-git-send-email-wency@cn.fujitsu.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1451443075-27428-1-git-send-email-wency@cn.fujitsu.com> References: <1451443075-27428-1-git-send-email-wency@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.52] X-yoursite-MailScanner-ID: 357D541887FB.A8AA9 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: wency@cn.fujitsu.com X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Cc: Lars Kurth , Changlong Xie , Wen Congyang , Gui Jianfeng , Jiang Yunhong , Dong Eddie , Shriram Rajagopalan , Yang Hongyang Subject: [Xen-devel] [PATCH v9 25/25] cmdline switches and config vars to control colo-proxy X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add cmdline switches to 'xl migrate-receive' command to specify a domain-specific hotplug script to setup COLO proxy. Add a new config var 'colo.default.agentscript' to xl.conf, that allows the user to override the default global script used to setup COLO proxy. Signed-off-by: Yang Hongyang Signed-off-by: Wen Congyang --- docs/man/xl.conf.pod.5 | 6 ++++++ docs/man/xl.pod.1 | 1 - tools/libxl/libxl.c | 6 ++++++ tools/libxl/libxl_create.c | 14 ++++++++++++-- tools/libxl/libxl_types.idl | 1 + tools/libxl/xl.c | 3 +++ tools/libxl/xl.h | 1 + tools/libxl/xl_cmdimpl.c | 47 ++++++++++++++++++++++++++++++++++----------- 8 files changed, 65 insertions(+), 14 deletions(-) diff --git a/docs/man/xl.conf.pod.5 b/docs/man/xl.conf.pod.5 index 8ae19bb..8f7fd28 100644 --- a/docs/man/xl.conf.pod.5 +++ b/docs/man/xl.conf.pod.5 @@ -111,6 +111,12 @@ Configures the default script used by Remus to setup network buffering. Default: C +=item B + +Configures the default script used by COLO to setup colo-proxy. + +Default: C + =item B Configures the default output format used by xl when printing "machine diff --git a/docs/man/xl.pod.1 b/docs/man/xl.pod.1 index 4f1901d..edeafcf 100644 --- a/docs/man/xl.pod.1 +++ b/docs/man/xl.pod.1 @@ -454,7 +454,6 @@ N.B: Remus support in xl is still in experimental (proof-of-concept) phase. Disk replication support is limited to DRBD disks. COLO support in xl is still in experimental (proof-of-concept) phase. - There is no support for network at the moment. B diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c index e770723..56e86d8 100644 --- a/tools/libxl/libxl.c +++ b/tools/libxl/libxl.c @@ -3398,6 +3398,11 @@ void libxl__device_nic_add(libxl__egc *egc, uint32_t domid, flexarray_append(back, nic->ifname); } + if (nic->forwarddev) { + flexarray_append(back, "forwarddev"); + flexarray_append(back, nic->forwarddev); + } + flexarray_append(back, "mac"); flexarray_append(back,GCSPRINTF(LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nic->mac))); if (nic->ip) { @@ -3520,6 +3525,7 @@ static int libxl__device_nic_from_xs_be(libxl__gc *gc, nic->ip = READ_BACKEND(NOGC, "ip"); nic->bridge = READ_BACKEND(NOGC, "bridge"); nic->script = READ_BACKEND(NOGC, "script"); + nic->forwarddev = READ_BACKEND(NOGC, "forwarddev"); /* vif_ioemu nics use the same xenstore entries as vif interfaces */ tmp = READ_BACKEND(gc, "type"); diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c index 7cb3c6a..4ba87df 100644 --- a/tools/libxl/libxl_create.c +++ b/tools/libxl/libxl_create.c @@ -1054,6 +1054,11 @@ static void domcreate_bootloader_done(libxl__egc *egc, crs->recv_fd = restore_fd; crs->hvm = (info->type == LIBXL_DOMAIN_TYPE_HVM); crs->callback = libxl__colo_restore_setup_done; + if (dcs->colo_proxy_script) + crs->colo_proxy_script = libxl__strdup(gc, dcs->colo_proxy_script); + else + crs->colo_proxy_script = GCSPRINTF("%s/colo-proxy-setup", + libxl__xen_script_dir_path()); libxl__colo_restore_setup(egc, crs); break; case LIBXL_CHECKPOINTED_STREAM_REMUS: @@ -1596,6 +1601,7 @@ static void domain_create_cb(libxl__egc *egc, static int do_domain_create(libxl_ctx *ctx, libxl_domain_config *d_config, uint32_t *domid, int restore_fd, int send_fd, const libxl_domain_restore_params *params, + const char *colo_proxy_script, const libxl_asyncop_how *ao_how, const libxl_asyncprogress_how *aop_console_how) { @@ -1619,6 +1625,7 @@ static int do_domain_create(libxl_ctx *ctx, libxl_domain_config *d_config, } cdcs->dcs.callback = domain_create_cb; cdcs->dcs.domid_soft_reset = INVALID_DOMID; + cdcs->dcs.colo_proxy_script = colo_proxy_script; libxl__ao_progress_gethow(&cdcs->dcs.aop_console_how, aop_console_how); cdcs->domid_out = domid; @@ -1805,7 +1812,7 @@ int libxl_domain_create_new(libxl_ctx *ctx, libxl_domain_config *d_config, const libxl_asyncprogress_how *aop_console_how) { unset_disk_colo_restore(d_config); - return do_domain_create(ctx, d_config, domid, -1, -1, NULL, + return do_domain_create(ctx, d_config, domid, -1, -1, NULL, NULL, ao_how, aop_console_how); } @@ -1815,14 +1822,17 @@ int libxl_domain_create_restore(libxl_ctx *ctx, libxl_domain_config *d_config, const libxl_asyncop_how *ao_how, const libxl_asyncprogress_how *aop_console_how) { + char *colo_proxy_script = NULL; + if (params->checkpointed_stream == LIBXL_CHECKPOINTED_STREAM_COLO) { + colo_proxy_script = params->colo_proxy_script; set_disk_colo_restore(d_config); } else { unset_disk_colo_restore(d_config); } return do_domain_create(ctx, d_config, domid, restore_fd, send_fd, params, - ao_how, aop_console_how); + colo_proxy_script, ao_how, aop_console_how); } int libxl_domain_soft_reset(libxl_ctx *ctx, diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl index 1981f8b..835a946 100644 --- a/tools/libxl/libxl_types.idl +++ b/tools/libxl/libxl_types.idl @@ -384,6 +384,7 @@ libxl_domain_create_info = Struct("domain_create_info",[ libxl_domain_restore_params = Struct("domain_restore_params", [ ("checkpointed_stream", integer), ("stream_version", uint32, {'init_val': '1'}), + ("colo_proxy_script", string), ]) libxl_domain_sched_params = Struct("domain_sched_params",[ diff --git a/tools/libxl/xl.c b/tools/libxl/xl.c index dfae84a..a272258 100644 --- a/tools/libxl/xl.c +++ b/tools/libxl/xl.c @@ -45,6 +45,7 @@ char *default_bridge = NULL; char *default_gatewaydev = NULL; char *default_vifbackend = NULL; char *default_remus_netbufscript = NULL; +char *default_colo_proxy_script = NULL; enum output_format default_output_format = OUTPUT_FORMAT_JSON; int claim_mode = 1; bool progress_use_cr = 0; @@ -179,6 +180,8 @@ static void parse_global_config(const char *configfile, xlu_cfg_replace_string (config, "remus.default.netbufscript", &default_remus_netbufscript, 0); + xlu_cfg_replace_string (config, "colo.default.proxyscript", + &default_colo_proxy_script, 0); xlu_cfg_destroy(config); } diff --git a/tools/libxl/xl.h b/tools/libxl/xl.h index bdab125..709c3fd 100644 --- a/tools/libxl/xl.h +++ b/tools/libxl/xl.h @@ -189,6 +189,7 @@ extern char *default_bridge; extern char *default_gatewaydev; extern char *default_vifbackend; extern char *default_remus_netbufscript; +extern char *default_colo_proxy_script; extern char *blkdev_start; enum output_format { diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c index 70b8b82..c363a26 100644 --- a/tools/libxl/xl_cmdimpl.c +++ b/tools/libxl/xl_cmdimpl.c @@ -158,6 +158,7 @@ struct domain_create { const char *config_file; char *extra_config; /* extra config string */ const char *restore_file; + char *colo_proxy_script; int migrate_fd; /* -1 means none */ int send_fd; /* -1 means none */ char **migration_domname_r; /* from malloc */ @@ -1048,6 +1049,8 @@ static int parse_nic_config(libxl_device_nic *nic, XLU_Config **config, char *to replace_string(&nic->model, oparg); } else if (MATCH_OPTION("rate", token, oparg)) { parse_vif_rate(config, oparg, nic); + } else if (MATCH_OPTION("forwarddev", token, oparg)) { + replace_string(&nic->forwarddev, oparg); } else if (MATCH_OPTION("accel", token, oparg)) { fprintf(stderr, "the accel parameter for vifs is currently not supported\n"); } else { @@ -2893,6 +2896,7 @@ start: params.checkpointed_stream = dom_info->checkpointed_stream; params.stream_version = (hdr.mandatory_flags & XL_MANDATORY_FLAG_STREAMv2) ? 2 : 1; + params.colo_proxy_script = dom_info->colo_proxy_script; ret = libxl_domain_create_restore(ctx, &d_config, &domid, restore_fd, @@ -4428,7 +4432,8 @@ static void migrate_domain(uint32_t domid, const char *rune, int debug, static void migrate_receive(int debug, int daemonize, int monitor, int send_fd, int recv_fd, - libxl_checkpointed_stream checkpointed) + libxl_checkpointed_stream checkpointed, + char *colo_proxy_script) { uint32_t domid; int rc, rc2; @@ -4457,6 +4462,7 @@ static void migrate_receive(int debug, int daemonize, int monitor, dom_info.send_fd = send_fd; dom_info.migration_domname_r = &migration_domname; dom_info.checkpointed_stream = checkpointed; + dom_info.colo_proxy_script = colo_proxy_script; if (checkpointed == LIBXL_CHECKPOINTED_STREAM_COLO) /* COLO uses stdout to send control message to master */ dom_info.quiet = 1; @@ -4653,8 +4659,9 @@ int main_migrate_receive(int argc, char **argv) int debug = 0, daemonize = 1, monitor = 1; libxl_checkpointed_stream checkpointed = LIBXL_CHECKPOINTED_STREAM_NONE; int opt; + char *script = NULL; - SWITCH_FOREACH_OPT(opt, "Fedrc", NULL, "migrate-receive", 0) { + SWITCH_FOREACH_OPT(opt, "Fedrcn:", NULL, "migrate-receive", 0) { case 'F': daemonize = 0; break; @@ -4671,6 +4678,9 @@ int main_migrate_receive(int argc, char **argv) case 'c': checkpointed = LIBXL_CHECKPOINTED_STREAM_COLO; break; + case 'n': + script = optarg; + break; } if (argc-optind != 0) { @@ -4679,7 +4689,7 @@ int main_migrate_receive(int argc, char **argv) } migrate_receive(debug, daemonize, monitor, STDOUT_FILENO, STDIN_FILENO, - checkpointed); + checkpointed, script); return 0; } @@ -8079,8 +8089,10 @@ int main_remus(int argc, char **argv) r_info.interval = 200; if (libxl_defbool_val(r_info.colo)) { - if (r_info.interval || libxl_defbool_val(r_info.blackhole)) { - perror("Option -c conflicts with -i or -b"); + if (r_info.interval || libxl_defbool_val(r_info.blackhole) || + !libxl_defbool_is_default(r_info.netbuf) || + !libxl_defbool_is_default(r_info.diskbuf)) { + perror("option -c is conflict with -i, -d, -n or -b"); exit(-1); } @@ -8091,8 +8103,12 @@ int main_remus(int argc, char **argv) } } - if (!r_info.netbufscript) - r_info.netbufscript = default_remus_netbufscript; + if (!r_info.netbufscript) { + if (libxl_defbool_val(r_info.colo)) + r_info.netbufscript = default_colo_proxy_script; + else + r_info.netbufscript = default_remus_netbufscript; + } if (libxl_defbool_val(r_info.blackhole)) { send_fd = open("/dev/null", O_RDWR, 0644); @@ -8105,10 +8121,19 @@ int main_remus(int argc, char **argv) if (!ssh_command[0]) { rune = host; } else { - xasprintf(&rune, "exec %s %s xl migrate-receive %s %s", - ssh_command, host, - libxl_defbool_val(r_info.colo) ? "-c" : "-r", - daemonize ? "" : " -e"); + if (!libxl_defbool_val(r_info.colo)) { + xasprintf(&rune, "exec %s %s xl migrate-receive %s %s", + ssh_command, host, + "-r", + daemonize ? "" : " -e"); + } else { + xasprintf(&rune, "exec %s %s xl migrate-receive %s %s %s %s", + ssh_command, host, + "-c", + r_info.netbufscript ? "-n" : "", + r_info.netbufscript ? r_info.netbufscript : "", + daemonize ? "" : " -e"); + } } save_domain_core_begin(domid, NULL, &config_data, &config_len);