From 493515e196aaffd7e4d0aad897914540826109b6 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Thu, 20 Feb 2020 10:03:24 -0600
Subject: [PATCH] cephadm: allow multiple get_parm() calls

This fixes deployment of monitoring components when the config-json is
passed via stdin.

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/cephadm/cephadm | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/cephadm/cephadm b/src/cephadm/cephadm
index 2dccdba1b68a..e9dbda44a995 100755
--- a/src/cephadm/cephadm
+++ b/src/cephadm/cephadm
@@ -79,6 +79,7 @@ else:
     from urllib2 import urlopen, HTTPError
 
 container_path = ''
+cached_stdin = None
 
 class Error(Exception):
     pass
@@ -977,11 +978,16 @@ def get_parm(option):
     if not option:
         return dict()
 
+    global cached_stdin
     if option == '-':
-        try:
-            j = injected_stdin  # type: ignore
-        except NameError:
-            j = sys.stdin.read()
+        if cached_stdin is not None:
+            j = cached_stdin
+        else:
+            try:
+                j = injected_stdin  # type: ignore
+            except NameError:
+                j = sys.stdin.read()
+                cached_stdin = j
     else:
         # inline json string
         if option[0] == '{' and option[-1] == '}':
-- 
2.47.3