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oleewere pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ambari-infra.git


The following commit(s) were added to refs/heads/master by this push:
     new de3edc5  AMBARI-25473 Upgrade Infra Solr Clients fails if it is 
installed on only one host (santal via oleewere)
de3edc5 is described below

commit de3edc577467d03d0156850b217320530479e2c4
Author: Szilard Antal <san...@cloudera.com>
AuthorDate: Mon Feb 10 11:36:18 2020 +0100

    AMBARI-25473 Upgrade Infra Solr Clients fails if it is installed on only 
one host (santal via oleewere)
---
 ambari-infra-solr-client/src/main/python/migrationHelper.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ambari-infra-solr-client/src/main/python/migrationHelper.py 
b/ambari-infra-solr-client/src/main/python/migrationHelper.py
index e44044c..a257b34 100755
--- a/ambari-infra-solr-client/src/main/python/migrationHelper.py
+++ b/ambari-infra-solr-client/src/main/python/migrationHelper.py
@@ -508,6 +508,11 @@ def upgrade_solr_clients(options, accessor, parser, 
config):
   host = socket.gethostname()
   if host in solr_client_hosts:
     solr_client_hosts.remove(host)
+
+  if not len(solr_client_hosts):
+    print 'The Solr Clients upgrade request has been aborted because no other 
host can be upgraded.'
+    sys.exit(0)
+
   context = "Upgrade Solr Clients"
   sys.stdout.write("Sending upgrade request: [{0}] ".format(context))
   sys.stdout.flush()
@@ -2078,4 +2083,4 @@ if __name__=="__main__":
       print 30 * "-"
       print "Command elapsed time: {0}".format(time_to_print)
       print 30 * "-"
-      print "Migration helper command {0}FINISHED{1}".format(colors.OKGREEN, 
colors.ENDC)
\ No newline at end of file
+      print "Migration helper command {0}FINISHED{1}".format(colors.OKGREEN, 
colors.ENDC)

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