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Add a helper function to customize K8s addon yamls and use it to customize Calico addons on GKE.

pull/8/head
Jing Ai 2018-06-21 15:07:22 -07:00
parent 52603a78ab
commit 4dce8973ce
1 changed files with 20 additions and 0 deletions
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20
cluster/gce/gci/configure-helper.sh
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@ -2286,6 +2286,23 @@ EOF
fi
}
# A helper function to set up a custom yaml for a k8s addon.
#
# $1: addon category under /etc/kubernetes
# $2: manifest source dir
# $3: manifest file
# $4: custom yaml
function setup-addon-custom-yaml {
local -r manifest_path="/etc/kubernetes/$1/$2/$3"
local -r custom_yaml="$4"
if [ -n "${custom_yaml:-}" ]; then
# Replace with custom manifest.
cat > "${manifest_path}" <<EOF
$custom_yaml
EOF
fi
}
# Prepares the manifests of k8s addons, and starts the addon manager.
# Vars assumed:
# CLUSTER_NAME
@ -2436,6 +2453,9 @@ EOF
if [[ "${NETWORK_POLICY_PROVIDER:-}" == "calico" ]]; then
setup-addon-manifests "addons" "calico-policy-controller"
setup-addon-custom-yaml "addons" "calico-policy-controller" "calico-node-daemonset.yaml" "${CUSTOM_CALICO_NODE_DAEMONSET_YAML:-}"
setup-addon-custom-yaml "addons" "calico-policy-controller" "typha-deployment.yaml" "${CUSTOM_TYPHA_DEPLOYMENT_YAML:-}"
# Configure Calico CNI directory.
local -r ds_file="${dst_dir}/calico-policy-controller/calico-node-daemonset.yaml"
sed -i -e "s@__CALICO_CNI_DIR__@/home/kubernetes/bin@g" "${ds_file}"