mirror of
https://github.com/coredns/coredns.git
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100 lines
2.4 KiB
Bash
100 lines
2.4 KiB
Bash
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#!/bin/bash
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set -x
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KUBECTL='docker exec hyperkube /hyperkube kubectl'
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PWD=`pwd`
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cd `readlink -e $(dirname ${0})`
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create_namespaces() {
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for n in ${NAMESPACES};
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do
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echo "Creating namespace: ${n}"
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${KUBECTL} get namespaces --no-headers 2>/dev/null | grep -q ${n}
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if [ "${?}" != "0" ]; then
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${KUBECTL} create namespace ${n}
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fi
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done
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echo "kubernetes namespaces:"
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${KUBECTL} get namespaces
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}
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# run_and_expose_service <servicename> <namespace> <image> <port>
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run_and_expose_service() {
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if [ "${#}" != "4" ]; then
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return -1
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fi
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service="${1}"
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namespace="${2}"
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image="${3}"
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port="${4}"
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echo " starting service '${service}' in namespace '${namespace}'"
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${KUBECTL} get deployment --namespace=${namespace} --no-headers 2>/dev/null | grep -q ${service}
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if [ "${?}" != "0" ]; then
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${KUBECTL} run ${service} --namespace=${namespace} --image=${image}
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else
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echo "warn: service '${service}' already running in namespace '${namespace}'"
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fi
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${KUBECTL} get service --namespace=${namespace} --no-headers 2>/dev/null | grep -q ${service}
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if [ "${?}" != "0" ]; then
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${KUBECTL} expose deployment ${service} --namespace=${namespace} --port=${port}
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else
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echo "warn: service '${service}' already exposed in namespace '${namespace}'"
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fi
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}
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#run_and_expose_rc nginx-controller nginx-rc.yml poddemo 80
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run_and_expose_rc() {
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if [ "${#}" != "4" ]; then
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return -1
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fi
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rc_name="${1}"
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rc_file="${2}"
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namespace="${3}"
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port="${4}"
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echo " starting replication controller '${rc_name}' from '${rc_file}' in namespace '${namespace}'"
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${KUBECTL} get rc --namespace=${namespace} --no-headers 2>/dev/null | grep -q ${rc_name}
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if [ "${?}" != "0" ]; then
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${KUBECTL} expose -f ${rc_file} --namespace=${namespace} --port=${port}
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else
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echo "warn: rc '${rc_name}' already running in namespace '${namespace}'"
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fi
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}
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echo "Starting sample kubernetes services..."
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NAMESPACES="demo poddemo test"
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create_namespaces
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echo ""
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echo "Starting services:"
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run_and_expose_service mynginx demo nginx 80
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run_and_expose_service webserver demo nginx 80
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run_and_expose_service mynginx test nginx 80
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run_and_expose_service webserver test nginx 80
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echo ""
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echo "Services exposed:"
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${KUBECTL} get services --all-namespaces
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echo ""
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echo "Starting replicationcontrollers:"
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run_and_expose_rc nginx-controller nginx-rc.yml poddemo 80
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echo ""
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echo "ReplicationControllers exposed:"
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${KUBECTL} get rc --all-namespaces
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cd ${PWD}
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