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pacemaker.16898
jsc#ECO-1611-0007-Feature-fencer-handle-any-enf...
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File jsc#ECO-1611-0007-Feature-fencer-handle-any-enforced-fencing-delay.patch of Package pacemaker.16898
From 3dec9302e50acc8b4a97b2a3cd9211b4421879c1 Mon Sep 17 00:00:00 2001 From: "Gao,Yan" <ygao@suse.com> Date: Wed, 18 Mar 2020 15:48:32 +0100 Subject: [PATCH 7/9] Feature: fencer: handle any enforced fencing delay Enforced fencing delay takes precedence over any pcmk_delay_base/max configured for the corresponding fencing resources. Enforced fencing delay is applied only for the first device in the first fencing topology level. Consistently use g_timeout_add_seconds() for pcmk_delay_base/max as well. --- fencing/commands.c | 71 ++++++++++++++++++------------- fencing/remote.c | 19 +++++++++ fencing/internal.h | 4 ++ 3 files changed, 64 insertions(+), 30 deletions(-) Index: pacemaker-1.1.18+20180430.b12c320f5/fencing/commands.c =================================================================== --- pacemaker-1.1.18+20180430.b12c320f5.orig/fencing/commands.c +++ pacemaker-1.1.18+20180430.b12c320f5/fencing/commands.c @@ -80,7 +80,7 @@ typedef struct async_command_s { int default_timeout; /* seconds */ int timeout; /* seconds */ - int start_delay; /* milliseconds */ + int start_delay; /* seconds */ int delay_id; char *op; @@ -122,7 +122,7 @@ static int get_action_delay_max(stonith_device_t * device, const char * action) { const char *value = NULL; - int delay_max_ms = 0; + int delay_max = 0; if (safe_str_neq(action, "off") && safe_str_neq(action, "reboot")) { return 0; @@ -130,17 +130,17 @@ get_action_delay_max(stonith_device_t * value = g_hash_table_lookup(device->params, STONITH_ATTR_DELAY_MAX); if (value) { - delay_max_ms = crm_get_msec(value); + delay_max = crm_parse_interval_spec(value) / 1000; } - return delay_max_ms; + return delay_max; } static int get_action_delay_base(stonith_device_t * device, const char * action) { const char *value = NULL; - int delay_base_ms = 0; + int delay_base = 0; if (safe_str_neq(action, "off") && safe_str_neq(action, "reboot")) { return 0; @@ -148,10 +148,10 @@ get_action_delay_base(stonith_device_t * value = g_hash_table_lookup(device->params, STONITH_ATTR_DELAY_BASE); if (value) { - delay_base_ms = crm_get_msec(value); + delay_base = crm_parse_interval_spec(value) / 1000; } - return delay_base_ms; + return delay_base; } /*! @@ -242,6 +242,9 @@ create_async_command(xmlNode * msg) crm_element_value_int(msg, F_STONITH_CALLOPTS, &(cmd->options)); crm_element_value_int(msg, F_STONITH_TIMEOUT, &(cmd->default_timeout)); cmd->timeout = cmd->default_timeout; + // Default value -1 means no enforced fencing delay + cmd->start_delay = -1; + crm_element_value_int(msg, F_STONITH_DELAY, &(cmd->start_delay)); cmd->origin = crm_element_value_copy(msg, F_ORIG); cmd->remote_op_id = crm_element_value_copy(msg, F_STONITH_REMOTE_OP_ID); @@ -330,7 +333,7 @@ stonith_device_execute(stonith_device_t if (pending_op && pending_op->delay_id) { crm_trace - ("Operation '%s'%s%s on %s was asked to run too early, waiting for start_delay timeout of %dms", + ("Operation '%s'%s%s on %s was asked to run too early, waiting for start_delay timeout of %ds", pending_op->action, pending_op->victim ? " targeting " : "", pending_op->victim ? pending_op->victim : "", device->id, pending_op->start_delay); @@ -447,6 +450,7 @@ schedule_stonith_command(async_command_t { int delay_max = 0; int delay_base = 0; + bool delay_enforced = (cmd->start_delay >= 0); CRM_CHECK(cmd != NULL, return); CRM_CHECK(device != NULL, return); @@ -479,30 +483,37 @@ schedule_stonith_command(async_command_t device->pending_ops = g_list_append(device->pending_ops, cmd); mainloop_set_trigger(device->work); - delay_max = get_action_delay_max(device, cmd->action); - delay_base = get_action_delay_base(device, cmd->action); - if (delay_max == 0) { - delay_max = delay_base; - } - if (delay_max < delay_base) { - crm_warn("Base-delay (%dms) is larger than max-delay (%dms) " - "for %s on %s - limiting to max-delay", - delay_base, delay_max, cmd->action, device->id); - delay_base = delay_max; - } - if (delay_max > 0) { - // coverity[dont_call] We're not using rand() for security - cmd->start_delay = - ((delay_max != delay_base)?(rand() % (delay_max - delay_base)):0) - + delay_base; - crm_notice("Delaying '%s' action%s%s on %s for %dms (timeout=%ds, base=%dms, " - "max=%dms)", - cmd->action, - cmd->victim ? " targeting " : "", cmd->victim ? cmd->victim : "", - device->id, cmd->start_delay, cmd->timeout, - delay_base, delay_max); + // No enforced fencing delay + if (delay_enforced == FALSE) { + delay_max = get_action_delay_max(device, cmd->action); + delay_base = get_action_delay_base(device, cmd->action); + if (delay_max == 0) { + delay_max = delay_base; + } + if (delay_max < delay_base) { + crm_warn("Base-delay (%ds) is larger than max-delay (%ds) " + "for %s on %s - limiting to max-delay", + delay_base, delay_max, cmd->action, device->id); + delay_base = delay_max; + } + if (delay_max > 0) { + // coverity[dont_call] We're not using rand() for security + cmd->start_delay = + ((delay_max != delay_base)?(rand() % (delay_max - delay_base)):0) + + delay_base; + } + } + + if (cmd->start_delay > 0) { + crm_notice("Delaying '%s' action%s%s on %s for %s%ds (timeout=%ds, base=%ds, " + "max=%ds)", + cmd->action, + cmd->victim ? " targeting " : "", cmd->victim ? cmd->victim : "", + device->id, delay_enforced ? "enforced " : "", + cmd->start_delay, cmd->timeout, + delay_base, delay_max); cmd->delay_id = - g_timeout_add(cmd->start_delay, start_delay_helper, cmd); + g_timeout_add_seconds(cmd->start_delay, start_delay_helper, cmd); } } Index: pacemaker-1.1.18+20180430.b12c320f5/fencing/remote.c =================================================================== --- pacemaker-1.1.18+20180430.b12c320f5.orig/fencing/remote.c +++ pacemaker-1.1.18+20180430.b12c320f5/fencing/remote.c @@ -805,6 +805,11 @@ stonith_topology_next(remote_fencing_op_ op->client_name, op->originator, op->id); set_op_device_list(op, tp->levels[op->level]); + // The enforced delay has been applied for the first fencing level + if (op->level > 1 && op->delay > 0) { + op->delay = 0; + } + if (g_list_next(op->devices_list) && safe_str_eq(op->action, "reboot")) { /* A reboot has been requested for a topology level with multiple * devices. Instead of rebooting the devices sequentially, we will @@ -962,6 +967,10 @@ create_remote_stonith_op(const char *cli crm_element_value_int(request, F_STONITH_TIMEOUT, &(op->base_timeout)); + // Default value -1 means no enforced fencing delay + op->delay = -1; + crm_element_value_int(request, F_STONITH_DELAY, &(op->delay)); + if (peer && dev) { op->id = crm_element_value_copy(dev, F_STONITH_REMOTE_OP_ID); } else { @@ -1401,6 +1410,12 @@ advance_op_topology(remote_fencing_op_t /* Necessary devices remain, so execute the next one */ crm_trace("Next for %s on behalf of %s@%s (rc was %d)", op->target, op->originator, op->client_name, rc); + + // The enforced delay has been applied for the first device + if (op->delay > 0) { + op->delay = 0; + } + call_remote_stonith(op, NULL); } else { /* We're done with all devices and phases, so finalize operation */ @@ -1455,6 +1470,10 @@ call_remote_stonith(remote_fencing_op_t crm_xml_add_int(remote_op, F_STONITH_TIMEOUT, timeout); crm_xml_add_int(remote_op, F_STONITH_CALLOPTS, op->call_options); + if (op->delay >= 0) { + crm_xml_add_int(remote_op, F_STONITH_DELAY, op->delay); + } + if (device) { timeout_one = TIMEOUT_MULTIPLY_FACTOR * get_device_timeout(op, peer, device); Index: pacemaker-1.1.18+20180430.b12c320f5/fencing/internal.h =================================================================== --- pacemaker-1.1.18+20180430.b12c320f5.orig/fencing/internal.h +++ pacemaker-1.1.18+20180430.b12c320f5/fencing/internal.h @@ -105,6 +105,10 @@ typedef struct remote_fencing_op_s { * values associated with the devices this fencing operation may call */ gint total_timeout; + /*! Enforced fencing delay. + * Default value -1 means no enforced fencing delay. */ + int delay; + /*! Delegate is the node being asked to perform a fencing action * on behalf of the node that owns the remote operation. Some operations * will involve multiple delegates. This value represents the final delegate
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