From 48a0c09feae76b1b18bbbfbfeed0f73e5f44b9e0 Mon Sep 17 00:00:00 2001
From: "Anderson, Craig (ca846m)" <craig.anderson@att.com>
Date: Mon, 26 Nov 2018 17:03:17 -0800
Subject: [PATCH] Truncate long host names for overrides

Long hostnames can cause the 63 char name limit to be exceeded.
Truncate the hostname if hostname > 20 char.

Change-Id: Ieb7e4dafb41d1fe3ab3d663d2614f75c814afee6
---
 helm-toolkit/templates/utils/_daemonset_overrides.tpl | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/helm-toolkit/templates/utils/_daemonset_overrides.tpl b/helm-toolkit/templates/utils/_daemonset_overrides.tpl
index 8ba22416a..302fcff0d 100644
--- a/helm-toolkit/templates/utils/_daemonset_overrides.tpl
+++ b/helm-toolkit/templates/utils/_daemonset_overrides.tpl
@@ -38,7 +38,13 @@ limitations under the License.
               {{- $current_dict := dict }}
 
               {{/* set daemonset name */}}
-              {{- $_ := set $current_dict "name" $host_data.name }}
+              {{/* Note: long hostnames can cause the 63 char name limit to be
+              exceeded. Truncate the hostname if hostname > 20 char */}}
+              {{- if gt (len $host_data.name) 20 }}
+                {{- $_ := set $current_dict "name" (substr 0 20 $host_data.name) }}
+              {{- else }}
+                {{- $_ := set $current_dict "name" $host_data.name }}
+              {{- end }}
 
               {{/* apply overrides */}}
               {{- $override_conf_copy := $host_data.conf }}