mirror of
https://github.com/k3s-io/kubernetes.git
synced 2026-01-05 07:27:21 +00:00
Update docker-multinode instructions and version. Also run kube-proxy in a pod in the docker-multnode manifest
This commit is contained in:
Lucas Käldström
@@ -14,8 +14,8 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# A scripts to install k8s worker node.
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# Author @wizard_cxy @reouser
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# A script to setup the k8s master in docker containers.
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# Authors @wizard_cxy @resouer
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set -e
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@@ -26,12 +26,10 @@ if ( ! ps -ef | grep "/usr/bin/docker" | grep -v 'grep' &> /dev/null ); then
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fi
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# Make sure k8s version env is properly set
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if [ -z ${K8S_VERSION} ]; then
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K8S_VERSION="1.0.7"
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echo "K8S_VERSION is not set, using default: ${K8S_VERSION}"
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else
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echo "k8s version is set to: ${K8S_VERSION}"
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fi
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K8S_VERSION=${K8S_VERSION:-"1.1.3"}
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ETCD_VERSION=${ETCD_VERSION:-"2.2.1"}
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FLANNEL_VERSION=${FLANNEL_VERSION:-"0.5.5"}
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FLANNEL_IFACE=${FLANNEL_IFACE:-"eth0"}
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# Run as root
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if [ "$(id -u)" != "0" ]; then
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@@ -41,12 +39,15 @@ fi
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# Make sure master ip is properly set
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if [ -z ${MASTER_IP} ]; then
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echo "Please export MASTER_IP in your env"
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exit 1
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else
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echo "k8s master is set to: ${MASTER_IP}"
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MASTER_IP=$(hostname -I | awk '{print $1}')
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fi
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echo "K8S_VERSION is set to: ${K8S_VERSION}"
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echo "ETCD_VERSION is set to: ${ETCD_VERSION}"
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echo "FLANNEL_VERSION is set to: ${FLANNEL_VERSION}"
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echo "FLANNEL_IFACE is set to: ${FLANNEL_IFACE}"
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echo "MASTER_IP is set to: ${MASTER_IP}"
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# Check if a command is valid
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command_exists() {
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command -v "$@" > /dev/null 2>&1
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@@ -95,16 +96,17 @@ detect_lsb() {
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# Start the bootstrap daemon
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# TODO: do not start docker-bootstrap if it's already running
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bootstrap_daemon() {
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sudo -b docker -d \
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-H unix:///var/run/docker-bootstrap.sock \
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-p /var/run/docker-bootstrap.pid \
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--iptables=false \
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--ip-masq=false \
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--bridge=none \
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--graph=/var/lib/docker-bootstrap \
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2> /var/log/docker-bootstrap.log \
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1> /dev/null
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docker -d \
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-H unix:///var/run/docker-bootstrap.sock \
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-p /var/run/docker-bootstrap.pid \
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--iptables=false \
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--ip-masq=false \
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--bridge=none \
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--graph=/var/lib/docker-bootstrap \
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2> /var/log/docker-bootstrap.log \
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1> /dev/null &
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sleep 5
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}
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@@ -115,34 +117,34 @@ DOCKER_CONF=""
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start_k8s(){
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# Start etcd
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docker -H unix:///var/run/docker-bootstrap.sock run \
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--restart=always \
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--net=host \
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-d \
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gcr.io/google_containers/etcd:2.2.1 \
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/usr/local/bin/etcd \
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--listen-client-urls=http://127.0.0.1:4001,http://${MASTER_IP}:4001 \
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--advertise-client-urls=http://${MASTER_IP}:4001 \
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--data-dir=/var/etcd/data
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--restart=always \
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--net=host \
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-d \
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gcr.io/google_containers/etcd:${ETCD_VERSION} \
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/usr/local/bin/etcd \
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--listen-client-urls=http://127.0.0.1:4001,http://${MASTER_IP}:4001 \
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--advertise-client-urls=http://${MASTER_IP}:4001 \
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--data-dir=/var/etcd/data
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sleep 5
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# Set flannel net config
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docker -H unix:///var/run/docker-bootstrap.sock run \
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--net=host gcr.io/google_containers/etcd:2.2.1 \
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etcdctl \
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set /coreos.com/network/config \
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'{ "Network": "10.1.0.0/16", "Backend": {"Type": "vxlan"}}'
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--net=host gcr.io/google_containers/etcd:${ETCD_VERSION} \
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etcdctl \
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set /coreos.com/network/config \
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'{ "Network": "10.1.0.0/16", "Backend": {"Type": "vxlan"}}'
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# iface may change to a private network interface, eth0 is for default
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flannelCID=$(docker -H unix:///var/run/docker-bootstrap.sock run \
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--restart=always \
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-d \
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--net=host \
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--privileged \
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-v /dev/net:/dev/net \
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quay.io/coreos/flannel:0.5.5 \
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/opt/bin/flanneld \
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--ip-masq \
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-iface="eth0")
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--restart=always \
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-d \
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--net=host \
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--privileged \
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-v /dev/net:/dev/net \
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quay.io/coreos/flannel:${FLANNEL_VERSION} \
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/opt/bin/flanneld \
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--ip-masq \
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--iface="${FLANNEL_IFACE}")
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sleep 8
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@@ -155,13 +157,13 @@ start_k8s(){
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case "${lsb_dist}" in
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amzn)
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DOCKER_CONF="/etc/sysconfig/docker"
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echo "OPTIONS=\"\$OPTIONS --mtu=${FLANNEL_MTU} --bip=${FLANNEL_SUBNET}\"" | sudo tee -a ${DOCKER_CONF}
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echo "OPTIONS=\"\$OPTIONS --mtu=${FLANNEL_MTU} --bip=${FLANNEL_SUBNET}\"" | tee -a ${DOCKER_CONF}
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ifconfig docker0 down
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yum -y -q install bridge-utils && brctl delbr docker0 && service docker restart
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;;
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centos)
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DOCKER_CONF="/etc/sysconfig/docker"
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echo "OPTIONS=\"\$OPTIONS --mtu=${FLANNEL_MTU} --bip=${FLANNEL_SUBNET}\"" | sudo tee -a ${DOCKER_CONF}
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echo "OPTIONS=\"\$OPTIONS --mtu=${FLANNEL_MTU} --bip=${FLANNEL_SUBNET}\"" | tee -a ${DOCKER_CONF}
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if ! command_exists ifconfig; then
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yum -y -q install net-tools
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fi
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@@ -170,7 +172,7 @@ start_k8s(){
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;;
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ubuntu|debian)
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DOCKER_CONF="/etc/default/docker"
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echo "DOCKER_OPTS=\"\$DOCKER_OPTS --mtu=${FLANNEL_MTU} --bip=${FLANNEL_SUBNET}\"" | sudo tee -a ${DOCKER_CONF}
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echo "DOCKER_OPTS=\"\$DOCKER_OPTS --mtu=${FLANNEL_MTU} --bip=${FLANNEL_SUBNET}\"" | tee -a ${DOCKER_CONF}
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ifconfig docker0 down
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apt-get install bridge-utils
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brctl delbr docker0
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@@ -190,7 +192,7 @@ start_k8s(){
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# sleep a little bit
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sleep 5
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# Start kubelet & proxy, then start master components as pods
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# Start kubelet and then start master components as pods
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docker run \
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--net=host \
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--pid=host \
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@@ -205,18 +207,16 @@ start_k8s(){
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-v /var/lib/kubelet/:/var/lib/kubelet:rw \
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gcr.io/google_containers/hyperkube:v${K8S_VERSION} \
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/hyperkube kubelet \
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--v=2 --address=0.0.0.0 --enable-server \
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--config=/etc/kubernetes/manifests-multi \
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--cluster-dns=10.0.0.10 \
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--cluster-domain=cluster.local \
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--containerized
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--address=0.0.0.0 \
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--allow-privileged=true \
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--enable-server \
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--api-servers=http://localhost:8080 \
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--config=/etc/kubernetes/manifests-multi \
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--cluster-dns=10.0.0.10 \
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--cluster-domain=cluster.local \
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--containerized \
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--v=2
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docker run \
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-d \
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--net=host \
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--privileged \
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gcr.io/google_containers/hyperkube:v${K8S_VERSION} \
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/hyperkube proxy --master=http://127.0.0.1:8080 --v=2
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}
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echo "Detecting your OS distro ..."
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