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Add 'ETCD_DOCKER_REPOSITORY' environment variable override to 'cluster/' scripts.

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This allows the etcd docker registry that is currently hard coded to
`gcr.io/google_containers/etcd` in the `etcd.manifest` template to be
overridden.  This can be used to test new versions of etcd with
kubernetes that have not yet been published to
`gcr.io/google_containers/etcd` and also enables cluster operators to
manage the etcd images used by their cluster in an internal
repository.
This commit is contained in:
Joe Betz
2017-09-14 15:55:09 -07:00
parent ec116fdc73
commit 2e362ea142
6 changed files with 23 additions and 1 deletions
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6
cluster/common.sh
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@@ -828,6 +828,12 @@ EOF
if [ -n "${ETCD_IMAGE:-}" ]; then
cat >>$file <<EOF
ETCD_IMAGE: $(yaml-quote ${ETCD_IMAGE})
EOF
fi
# ETCD_DOCKER_REPOSITORY (if set) allows to use a custom etcd docker repository to pull the etcd image from.
if [ -n "${ETCD_DOCKER_REPOSITORY:-}" ]; then
cat >>$file <<EOF
ETCD_DOCKER_REPOSITORY: $(yaml-quote ${ETCD_DOCKER_REPOSITORY})
EOF
fi
# ETCD_VERSION (if set) allows you to use custom version of etcd.