From patchwork Fri Mar 4 08:41:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changlong Xie X-Patchwork-Id: 8500061 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D55029FC5C for ; Fri, 4 Mar 2016 08:42:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7B82B201F4 for ; Fri, 4 Mar 2016 08:42:05 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E42F72025B for ; Fri, 4 Mar 2016 08:42:03 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1ablHZ-0007WL-CE; Fri, 04 Mar 2016 08:40:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1ablHX-00077j-9i for xen-devel@lists.xen.org; Fri, 04 Mar 2016 08:40:19 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 24/6D-03651-3F949D65; Fri, 04 Mar 2016 08:40:19 +0000 X-Env-Sender: xiecl.fnst@cn.fujitsu.com X-Msg-Ref: server-9.tower-31.messagelabs.com!1457080803!4530056!8 X-Originating-IP: [59.151.112.132] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 8.11; banners=-,-,- X-VirusChecked: Checked Received: (qmail 55391 invoked from network); 4 Mar 2016 08:40:17 -0000 Received: from cn.fujitsu.com (HELO heian.cn.fujitsu.com) (59.151.112.132) by server-9.tower-31.messagelabs.com with SMTP; 4 Mar 2016 08:40:17 -0000 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="4230676" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 04 Mar 2016 16:40:15 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (unknown [10.167.33.80]) by cn.fujitsu.com (Postfix) with ESMTP id 7435942B4AFB; Fri, 4 Mar 2016 16:40:10 +0800 (CST) Received: from changlox.g08.fujitsu.local (10.167.225.55) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Fri, 4 Mar 2016 16:40:10 +0800 From: Changlong Xie To: xen devel , Konrad Rzeszutek Wilk , Andrew Cooper , Ian Campbell , Ian Jackson , Wei Liu Date: Fri, 4 Mar 2016 16:41:31 +0800 Message-ID: <1457080891-26054-28-git-send-email-xiecl.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1457080891-26054-1-git-send-email-xiecl.fnst@cn.fujitsu.com> References: <1457080891-26054-1-git-send-email-xiecl.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.225.55] X-yoursite-MailScanner-ID: 7435942B4AFB.A3550 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: xiecl.fnst@cn.fujitsu.com X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Cc: Lars Kurth , Changlong Xie , Wen Congyang , Gui Jianfeng , Jiang Yunhong , Dong Eddie , Anthony Perard , Shriram Rajagopalan , Yang Hongyang Subject: [Xen-devel] [PATCH v11 27/27] cmdline switches and config vars to control colo-proxy X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Wen Congyang 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 Signed-off-by: Changlong Xie --- docs/man/xl.conf.pod.5 | 6 ++++++ docs/man/xl.pod.1 | 6 +++++- 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, 70 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 36b093b..3977d4b 100644 --- a/docs/man/xl.pod.1 +++ b/docs/man/xl.pod.1 @@ -458,7 +458,6 @@ 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. =back @@ -482,6 +481,11 @@ and it's used by secondary. =item B :Primary's modified contents will be buffered in this disk, and it's used by secondary. +(b) An example for COLO network configuration: vif =[ '...,forwarddev=xxx,...'] + +=item B :Forward devices for primary and secondary, there are +directly connected. + =back B diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c index eb1b277..4699641 100644 --- a/tools/libxl/libxl.c +++ b/tools/libxl/libxl.c @@ -3392,6 +3392,11 @@ 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) { @@ -3514,6 +3519,7 @@ 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 bff08b0..63e1a0d 100644 --- a/tools/libxl/libxl_create.c +++ b/tools/libxl/libxl_create.c @@ -1072,6 +1072,11 @@ 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: @@ -1614,6 +1619,7 @@ 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_back_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) { @@ -1637,6 +1643,7 @@ 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; @@ -1823,7 +1830,7 @@ 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); } @@ -1834,14 +1841,17 @@ 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_back_fd, - params, ao_how, aop_console_how); + params, 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 6b57aba..883d3a8 100644 --- a/tools/libxl/libxl_types.idl +++ b/tools/libxl/libxl_types.idl @@ -385,6 +385,7 @@ 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 30d26bc..bec13e0 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_back_fd; /* -1 means none */ char **migration_domname_r; /* from malloc */ @@ -1053,6 +1054,8 @@ 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 { @@ -2896,6 +2899,7 @@ 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, @@ -4438,7 +4442,8 @@ 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; @@ -4467,6 +4472,7 @@ static void migrate_receive(int debug, int daemonize, int monitor, dom_info.send_back_fd = send_fd; dom_info.migration_domname_r = &migration_domname; dom_info.checkpointed_stream = checkpointed; + dom_info.colo_proxy_script = colo_proxy_script; rc = create_domain(&dom_info); if (rc < 0) { @@ -4660,8 +4666,9 @@ 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; @@ -4678,6 +4685,9 @@ 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) { @@ -4686,7 +4696,7 @@ int main_migrate_receive(int argc, char **argv) } migrate_receive(debug, daemonize, monitor, STDOUT_FILENO, STDIN_FILENO, - checkpointed); + checkpointed, script); return 0; } @@ -8096,8 +8106,10 @@ 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); } @@ -8108,8 +8120,12 @@ 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); @@ -8122,10 +8138,19 @@ 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);