From b1d2437cf61a3fef5458985e2301bfe8d81882a6 Mon Sep 17 00:00:00 2001
From: Nick Ethier <nethier@hashicorp.com>
Date: Wed, 9 May 2018 22:54:05 -0400
Subject: [PATCH] command: add docs for node drain -monitor flag

---
 command/node_drain.go                               | 5 ++++-
 website/source/docs/commands/node/drain.html.md.erb | 9 +++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/command/node_drain.go b/command/node_drain.go
index 068ba9aeb..040b16ee1 100644
--- a/command/node_drain.go
+++ b/command/node_drain.go
@@ -49,6 +49,9 @@ Node Drain Options:
   -detach
     Return immediately instead of entering monitor mode.
 
+  -monitor
+    Enter monitor mode directly without modifying the drain status.
+
   -force
     Force remove allocations off the node immediately.
 
@@ -136,7 +139,7 @@ func (c *NodeDrainCommand) Run(args []string) int {
 	}
 
 	// Check that enable or disable is not set with monitor
-	if monitor && enable || monitor && disable {
+	if monitor && (enable || disable) {
 		c.Ui.Error("The -monitor flag cannot be used with the '-enable' or '-disable' flags")
 		c.Ui.Error(commandErrorText(c))
 		return 1
diff --git a/website/source/docs/commands/node/drain.html.md.erb b/website/source/docs/commands/node/drain.html.md.erb
index d03ca3f0d..1abbc4cfd 100644
--- a/website/source/docs/commands/node/drain.html.md.erb
+++ b/website/source/docs/commands/node/drain.html.md.erb
@@ -57,6 +57,7 @@ operation is desired.
   node. Remaining allocations after the deadline are force removed from the
   node. Defaults to 1 hour.
 * `-detach`: Return immediately instead of entering monitor mode.
+* `-monitor`: Enter monitor mode directly without modifying the drain status.
 * `-force`: Force remove allocations off the node immediately.
 * `-no-deadline`: No deadline allows the allocations to drain off the node
   without being force stopped after a certain deadline.
@@ -114,6 +115,14 @@ $ nomad node drain -disable -keep-ineligible 4d2ba53b
 ...
 ```
 
+Enable drain mode and detach from monitoring, then reattach later:
+
+```
+$ nomad node drain -enable -detach -self
+...
+$ nomad node drain -self -monitor
+...
+```
 
 [eligibility]: /docs/commands/node/eligibility.html
 [migrate]: /docs/job-specification/migrate.html