Bug 1841: LTS Support update helm version in community installer

Updating Helm3 version in Community Installer

Change-Id: I1d6ca146da2a00e13623303d64c015506e602fe5
Signed-off-by: aticig <gulsum.atici@canonical.com>

diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index e0508da..31a79af 100755 (executable)
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -1019,19 +1019,22 @@ function deploy_osm_pla_service() {
 }
 
 #Install Helm v3
+#Helm releases can be found here: https://github.com/helm/helm/releases
 function install_helm() {
-    helm > /dev/null 2>&1
-    if [ $? != 0 ] ; then
+    HELM_VERSION="v3.7.2"
+    if ! [[ "$(helm version --short 2>/dev/null)" =~ ^v3.* ]]; then
         # Helm is not installed. Install helm
-        echo "Helm is not installed, installing ..."
-        curl https://get.helm.sh/helm-v3.6.3-linux-amd64.tar.gz --output helm-v3.6.3.tar.gz
-        tar -zxvf helm-v3.6.3.tar.gz
+        echo "Helm3 is not installed, installing ..."
+        curl https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz --output helm-${HELM_VERSION}.tar.gz
+        tar -zxvf helm-${HELM_VERSION}.tar.gz
         sudo mv linux-amd64/helm /usr/local/bin/helm
         rm -r linux-amd64
-        rm helm-v3.6.3.tar.gz
-        helm repo add stable https://charts.helm.sh/stable
-        helm repo update
+        rm helm-${HELM_VERSION}.tar.gz
+    else
+        echo "Helm3 is already installed. Skipping installation..."
     fi
+    helm repo add stable https://charts.helm.sh/stable
+    helm repo update
 }
 
 function parse_yaml() {