Move Helm client install to separate script

To deploy Calico with Tigera Operator helm charts it was necessary
to move Helm client install to separate script for earlier execution.

Change-Id: Iab738b4120c0ac823b247b04f0cd750de0147779

Author: darmach

magnum/drivers/common/templates/kubernetes/fragments/install-helm-modules.sh

@@ -17,32 +17,11 @@ if [ ! -z "$NO_PROXY" ]; then
     export NO_PROXY
 fi
 
-ssh_cmd="ssh -F /srv/magnum/.ssh/config root@localhost"
-
 echo "Waiting for Kubernetes API..."
 until  [ "ok" = "$(kubectl get --raw='/healthz')" ]; do
     sleep 5
 done
 
-if [ -z "${HELM_CLIENT_URL}"  ] ; then
-    HELM_CLIENT_URL="https://get.helm.sh/helm-$HELM_CLIENT_TAG-linux-amd64.tar.gz"
-fi
-i=0
-until curl -o /srv/magnum/helm-client.tar.gz "${HELM_CLIENT_URL}"; do
-    i=$((i + 1))
-    [ $i -lt 5 ] || break;
-    sleep 5
-done
-
-if ! echo "${HELM_CLIENT_SHA256} /srv/magnum/helm-client.tar.gz" | sha256sum -c - ; then
-    echo "ERROR helm-client.tar.gz computed checksum did NOT match, exiting."
-    exit 1
-fi
-
-source /etc/bashrc
-$ssh_cmd tar xzvf /srv/magnum/helm-client.tar.gz linux-amd64/helm -O > /srv/magnum/bin/helm
-$ssh_cmd chmod +x /srv/magnum/bin/helm
-
 helm_install_cmd="helm upgrade --install magnum . --namespace kube-system --values values.yaml --render-subchart-notes"
 helm_history_cmd="helm history magnum --namespace kube-system"
 if [[ "${HELM_CLIENT_TAG}" == v2.* ]]; then

magnum/drivers/common/templates/kubernetes/fragments/install-helm.sh

@@ -0,0 +1,41 @@
+step="install-helm"
+echo "START: ${step}"
+
+set +x
+. /etc/sysconfig/heat-params
+set -ex
+
+if [ ! -z "$HTTP_PROXY" ]; then
+    export HTTP_PROXY
+fi
+
+if [ ! -z "$HTTPS_PROXY" ]; then
+    export HTTPS_PROXY
+fi
+
+if [ ! -z "$NO_PROXY" ]; then
+    export NO_PROXY
+fi
+
+ssh_cmd="ssh -F /srv/magnum/.ssh/config root@localhost"
+
+if [ -z "${HELM_CLIENT_URL}"  ] ; then
+    HELM_CLIENT_URL="https://get.helm.sh/helm-$HELM_CLIENT_TAG-linux-amd64.tar.gz"
+fi
+i=0
+until curl -o /srv/magnum/helm-client.tar.gz "${HELM_CLIENT_URL}"; do
+    i=$((i + 1))
+    [ $i -lt 5 ] || break;
+    sleep 5
+done
+
+if ! echo "${HELM_CLIENT_SHA256} /srv/magnum/helm-client.tar.gz" | sha256sum -c - ; then
+    echo "ERROR helm-client.tar.gz computed checksum did NOT match, exiting."
+    exit 1
+fi
+
+source /etc/bashrc
+$ssh_cmd tar xzvf /srv/magnum/helm-client.tar.gz linux-amd64/helm -O > /srv/magnum/bin/helm
+$ssh_cmd chmod +x /srv/magnum/bin/helm
+
+echo "END: ${step}"

magnum/drivers/k8s_fedora_coreos_v1/templates/kubecluster.yaml

@@ -1501,6 +1501,7 @@ resources:
             - get_file: ../../common/templates/kubernetes/fragments/enable-auto-scaling.sh
             - get_file: ../../common/templates/kubernetes/fragments/enable-cinder-csi.sh
             # Helm Based Installation Configuration Scripts
+            - get_file: ../../common/templates/kubernetes/fragments/install-helm.sh
             - get_file: ../../common/templates/kubernetes/helm/metrics-server.sh
             - str_replace:
                 template: {get_file: ../../common/templates/kubernetes/helm/prometheus-operator.sh}