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#!/bin/bash
# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
########################################################################################################################
# Read deployment settings
########################################################################################################################
# If not already set, set the external port Prometheus Mgmt HTTP GUI interface will be exposed to.
export PROM_EXT_PORT_HTTP=${PROM_EXT_PORT_HTTP:-"9090"}
# If not already set, set the external port Grafana HTTP Dashboards will be exposed to.
export GRAF_EXT_PORT_HTTP=${GRAF_EXT_PORT_HTTP:-"3000"}
########################################################################################################################
# Automated steps start here
########################################################################################################################
function expose_dashboard() {
echo "Prometheus Port Mapping"
echo ">>> Expose Prometheus HTTP Mgmt GUI port (9090->${PROM_EXT_PORT_HTTP})"
PROM_PORT_HTTP=$(kubectl --namespace monitoring get service prometheus-k8s -o 'jsonpath={.spec.ports[?(@.name=="web")].port}')
PATCH='{"data": {"'${PROM_EXT_PORT_HTTP}'": "monitoring/prometheus-k8s:'${PROM_PORT_HTTP}'"}}'
kubectl patch configmap nginx-ingress-tcp-microk8s-conf --namespace ingress --patch "${PATCH}"
PORT_MAP='{"containerPort": '${PROM_EXT_PORT_HTTP}', "hostPort": '${PROM_EXT_PORT_HTTP}'}'
CONTAINER='{"name": "nginx-ingress-microk8s", "ports": ['${PORT_MAP}']}'
PATCH='{"spec": {"template": {"spec": {"containers": ['${CONTAINER}']}}}}'
kubectl patch daemonset nginx-ingress-microk8s-controller --namespace ingress --patch "${PATCH}"
echo
echo "Grafana Port Mapping"
echo ">>> Expose Grafana HTTP Mgmt GUI port (3000->${GRAF_EXT_PORT_HTTP})"
GRAF_PORT_HTTP=$(kubectl --namespace monitoring get service grafana -o 'jsonpath={.spec.ports[?(@.name=="http")].port}')
PATCH='{"data": {"'${GRAF_EXT_PORT_HTTP}'": "monitoring/grafana:'${GRAF_PORT_HTTP}'"}}'
kubectl patch configmap nginx-ingress-tcp-microk8s-conf --namespace ingress --patch "${PATCH}"
PORT_MAP='{"containerPort": '${GRAF_EXT_PORT_HTTP}', "hostPort": '${GRAF_EXT_PORT_HTTP}'}'
CONTAINER='{"name": "nginx-ingress-microk8s", "ports": ['${PORT_MAP}']}'
PATCH='{"spec": {"template": {"spec": {"containers": ['${CONTAINER}']}}}}'
kubectl patch daemonset nginx-ingress-microk8s-controller --namespace ingress --patch "${PATCH}"
echo
}
expose_dashboard