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Add 'auto' option for MASTER_RESERVED_IP. No ElasticIP allocation by default.

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Default behaviour when setting up a cluster is using the Amazon-assigned public ip.
It will change between reboots. If MASTER_RESERVED_IP is set to 'auto', new Elastic
IP will be allocated & assigned to master. If MASTER_RESERVED_IP is set to an existing
Elastic IP, it will be used. When something fails, original Amazon-given IP will be used.
This commit is contained in:
Madis Nõmme
2015-05-13 10:41:51 +03:00
parent eb220f05a6
commit 15643a2c72
2 changed files with 10 additions and 5 deletions
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3
cluster/aws/config-default.sh
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@@ -44,7 +44,8 @@ POLL_SLEEP_INTERVAL=3
PORTAL_NET="10.0.0.0/16"
MASTER_IP_RANGE="${MASTER_IP_RANGE:-10.246.0.0/24}"
# If set to Elastic IP, master instance will be associated with this IP.
# Otherwise new Elastic IP will be aquired
# If set to auto, a new Elastic IP will be aquired
# Otherwise amazon-given public ip will be used (it'll change with reboot).
MASTER_RESERVED_IP="${MASTER_RESERVED_IP:-}"
# When set to true, Docker Cache is enabled by default as part of the cluster bring up.