Add helm proxy (#18449)

Signed-off-by: Jenny Li <jing.li@zilliz.com>

ci/jenkins/PR.groovy

@@ -113,6 +113,7 @@ pipeline {
                                             withCredentials([usernamePassword(credentialsId: "${env.CI_DOCKER_CREDENTIAL_ID}", usernameVariable: 'CI_REGISTRY_USERNAME', passwordVariable: 'CI_REGISTRY_PASSWORD')]){
                                                 sh """
                                                 MILVUS_CLUSTER_ENABLED=${clusterEnabled} \
+                                                MILVUS_HELM_REPO="http://nexus-nexus-repository-manager.nexus:8081/repository/milvus-proxy" \
                                                 TAG=${imageTag}\
                                                 ./e2e-k8s.sh \
                                                 --skip-export-logs \

tests/scripts/install_milvus.sh

@@ -23,7 +23,7 @@
 set -x
 
 
-MILVUS_HELM_REPO="https://github.com/milvus-io/milvus-helm.git"
+MILVUS_HELM_REPO="${MILVUS_HELM_REPO:-https://milvus-io.github.io/milvus-helm/}"
 MILVUS_HELM_RELEASE_NAME="${MILVUS_HELM_RELEASE_NAME:-milvus-testing}"
 MILVUS_CLUSTER_ENABLED="${MILVUS_CLUSTER_ENABLED:-false}"
 MILVUS_IMAGE_REPO="${MILVUS_IMAGE_REPO:-milvusdb/milvus}"
@@ -54,15 +54,9 @@ if [[ -n "${DISABLE_KIND:-}" ]]; then
   MILVUS_SERVICE_TYPE="ClusterIP"
 fi
 
-# Get Milvus Chart from git
-# if [[ ! -d "${MILVUS_HELM_CHART_PATH:-}" ]]; then
-#   TMP_DIR="$(mktemp -d)"
-#   git clone --depth=1 -b "${MILVUS_HELM_BRANCH:-master}" "${MILVUS_HELM_REPO}" "${TMP_DIR}"
-#   MILVUS_HELM_CHART_PATH="${TMP_DIR}/charts/milvus"
-# fi
 
 # Use helm repo to install milvus charts 
-helm repo add milvus https://milvus-io.github.io/milvus-helm/
+helm repo add milvus ${MILVUS_HELM_REPO}
 helm repo update
 MILVUS_HELM_CHART_PATH="milvus/milvus"