From 21470e3c57434990a1a5d446d2d2b35d3555079e Mon Sep 17 00:00:00 2001
From: Garrybest <garrybest@foxmail.com>
Date: Sat, 18 Sep 2021 15:48:51 +0800
Subject: [PATCH] add deploy script of scheduler estimator

Signed-off-by: Garrybest <garrybest@foxmail.com>
---
 .../deploy/karmada-scheduler-estimator.yaml   | 51 +++++++++++++
 hack/deploy-scheduler-estimator.sh            | 74 +++++++++++++++++++
 hack/local-up-karmada.sh                      |  1 +
 3 files changed, 126 insertions(+)
 create mode 100644 artifacts/deploy/karmada-scheduler-estimator.yaml
 create mode 100755 hack/deploy-scheduler-estimator.sh

diff --git a/artifacts/deploy/karmada-scheduler-estimator.yaml b/artifacts/deploy/karmada-scheduler-estimator.yaml
new file mode 100644
index 000000000..88d7e2783
--- /dev/null
+++ b/artifacts/deploy/karmada-scheduler-estimator.yaml
@@ -0,0 +1,51 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: karmada-scheduler-estimator-{{member_cluster_name}}
+  namespace: karmada-system
+  labels:
+    cluster: {{member_cluster_name}}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: karmada-scheduler-estimator-{{member_cluster_name}}
+  template:
+    metadata:
+      labels:
+        app: karmada-scheduler-estimator-{{member_cluster_name}}
+    spec:
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          operator: Exists
+      containers:
+        - name: karmada-scheduler-estimator
+          image: swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-scheduler-estimator:latest
+          imagePullPolicy: IfNotPresent
+          command:
+            - /bin/karmada-scheduler-estimator
+            - --kubeconfig=/etc/{{member_cluster_name}}-kubeconfig
+            - --cluster-name={{member_cluster_name}}
+          volumeMounts:
+            - name: member-kubeconfig
+              subPath: {{member_cluster_name}}-kubeconfig
+              mountPath: /etc/{{member_cluster_name}}-kubeconfig
+      volumes:
+        - name: member-kubeconfig
+          secret:
+            secretName: {{member_cluster_name}}-kubeconfig
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: karmada-scheduler-estimator-{{member_cluster_name}}
+  namespace: karmada-system
+  labels:
+    cluster: {{member_cluster_name}}
+spec:
+  selector:
+    app: karmada-scheduler-estimator-{{member_cluster_name}}
+  ports:
+    - protocol: TCP
+      port: 10352
+      targetPort: 10352
diff --git a/hack/deploy-scheduler-estimator.sh b/hack/deploy-scheduler-estimator.sh
new file mode 100755
index 000000000..b40aa4b26
--- /dev/null
+++ b/hack/deploy-scheduler-estimator.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+
+REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+function usage() {
+  echo "This script will deploy karmada-scheduler-estimator of a cluster."
+  echo "Usage: hack/deploy-scheduler-estimator <HOST_CLUSTER_KUBECONFIG> <HOST_CLUSTER_NAME> <MEMBER_CLUSTER_KUBECONFIG> <MEMBER_CLUSTER_NAME>"
+  echo "Example: hack/deploy-scheduler-estimator ~/.kube/karmada.config karmada-host ~/.kube/members.config member1"
+}
+
+if [[ $# -ne 4 ]]; then
+  usage
+  exit 1
+fi
+
+# check kube config file existence
+if [[ ! -f "${1}" ]]; then
+  echo -e "ERROR: failed to get kubernetes config file: '${1}', not existed.\n"
+  usage
+  exit 1
+fi
+HOST_CLUSTER_KUBECONFIG=$1
+
+# check context existence
+if ! kubectl config get-contexts "${2}" --kubeconfig="${HOST_CLUSTER_KUBECONFIG}" > /dev/null 2>&1;
+then
+  echo -e "ERROR: failed to get context: '${2}' not in ${HOST_CLUSTER_KUBECONFIG}. \n"
+  usage
+  exit 1
+fi
+HOST_CLUSTER_NAME=$2
+
+# check kube config file existence
+if [[ ! -f "${3}" ]]; then
+  echo -e "ERROR: failed to get kubernetes config file: '${3}', not existed.\n"
+  usage
+  exit 1
+fi
+MEMBER_CLUSTER_KUBECONFIG=$3
+
+# check context existence
+if ! kubectl config get-contexts "${4}" --kubeconfig="${MEMBER_CLUSTER_KUBECONFIG}" > /dev/null 2>&1;
+then
+  echo -e "ERROR: failed to get context: '${4}' not in ${MEMBER_CLUSTER_KUBECONFIG}. \n"
+  usage
+  exit 1
+fi
+MEMBER_CLUSTER_NAME=$4
+
+kubectl --kubeconfig="${MEMBER_CLUSTER_KUBECONFIG}" config use-context "${MEMBER_CLUSTER_NAME}"
+
+# check whether the kubeconfig secret has been created before
+if ! kubectl --kubeconfig="${HOST_CLUSTER_KUBECONFIG}" get secrets -n karmada-system | grep "${MEMBER_CLUSTER_NAME}-kubeconfig"; then
+  # create secret
+  kubectl --kubeconfig="${HOST_CLUSTER_KUBECONFIG}" --context="${HOST_CLUSTER_NAME}" create secret generic ${MEMBER_CLUSTER_NAME}-kubeconfig --from-file=${MEMBER_CLUSTER_NAME}-kubeconfig="${MEMBER_CLUSTER_KUBECONFIG}" -n "karmada-system"
+fi
+
+# deploy karmada agent
+TEMP_PATH=$(mktemp -d)
+cp "${REPO_ROOT}"/artifacts/deploy/karmada-scheduler-estimator.yaml "${TEMP_PATH}"/karmada-scheduler-estimator.yaml
+sed -i'' -e "s/{{member_cluster_name}}/${MEMBER_CLUSTER_NAME}/g" "${TEMP_PATH}"/karmada-scheduler-estimator.yaml
+echo -e "Apply dynamic rendered deployment in ${TEMP_PATH}/karmada-scheduler-estimator.yaml\n"
+kubectl --kubeconfig="${HOST_CLUSTER_KUBECONFIG}" --context="${HOST_CLUSTER_NAME}" apply -f "${TEMP_PATH}"/karmada-scheduler-estimator.yaml
+rm -rf "${TEMP_PATH}"
+
+function print_success() {
+  echo -e "\nKarmada scheduler estimator of cluster ${MEMBER_CLUSTER_NAME} has been deployed."
+  echo "Note: To enable scheduler estimator, please deploy other scheduler estimators of all clusters."
+  echo "      After that, specify the option '--enable-scheduler-estimator=true' of karmada-scheduler."
+}
+
+print_success
diff --git a/hack/local-up-karmada.sh b/hack/local-up-karmada.sh
index cfd9e5e61..0fd639e1b 100755
--- a/hack/local-up-karmada.sh
+++ b/hack/local-up-karmada.sh
@@ -93,6 +93,7 @@ export REGISTRY="swr.ap-southeast-1.myhuaweicloud.com/karmada"
 kind load docker-image "${REGISTRY}/karmada-controller-manager:${VERSION}" --name="${HOST_CLUSTER_NAME}"
 kind load docker-image "${REGISTRY}/karmada-scheduler:${VERSION}" --name="${HOST_CLUSTER_NAME}"
 kind load docker-image "${REGISTRY}/karmada-webhook:${VERSION}" --name="${HOST_CLUSTER_NAME}"
+kind load docker-image "${REGISTRY}/karmada-scheduler-estimator:${VERSION}" --name="${HOST_CLUSTER_NAME}"
 
 #step5. install karmada control plane components
 "${REPO_ROOT}"/hack/deploy-karmada.sh "${MAIN_KUBECONFIG}" "${HOST_CLUSTER_NAME}"