Register kube minions through load balancers
In k8s bay, each minion node communicate with master node to register itself. To enable HA mode, we needs to have multiple master nodes and registration needs to be done through load balancers to avoid single point of failure. Change-Id: I828e40b56e9b38d61bc381caf080f0bd42c698b3 Partially-Implements: blueprint make-master-ha
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@ -8,9 +8,11 @@ myip=$(ip addr show eth0 |
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awk '$1 == "inet" {print $2}' | cut -f1 -d/)
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myip_last_octet=${myip##*.}
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ETCD_SERVER_IP=${ETCD_SERVER_IP:-$KUBE_MASTER_IP}
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sed -i '
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/^KUBE_ALLOW_PRIV=/ s/=.*/="--allow_privileged='"$KUBE_ALLOW_PRIV"'"/
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/^KUBE_ETCD_SERVERS=/ s|=.*|="--etcd_servers=http://'"$KUBE_MASTER_IP"':4001"|
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/^KUBE_ETCD_SERVERS=/ s|=.*|="--etcd_servers=http://'"$ETCD_SERVER_IP"':4001"|
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' /etc/kubernetes/config
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sed -i '
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@ -25,7 +27,7 @@ sed -i '
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' /etc/kubernetes/apiserver
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sed -i '
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/^FLANNEL_ETCD=/ s|=.*|="http://'"$KUBE_MASTER_IP"':4001"|
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/^FLANNEL_ETCD=/ s|=.*|="http://'"$ETCD_SERVER_IP"':4001"|
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' /etc/sysconfig/flanneld
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cat >> /etc/environment <<EOF
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@ -7,5 +7,6 @@ write_files:
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content: |
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KUBE_ALLOW_PRIV="$KUBE_ALLOW_PRIV"
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KUBE_MASTER_IP="$KUBE_MASTER_IP"
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ETCD_SERVER_IP="$ETCD_SERVER_IP"
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DOCKER_VOLUME="$DOCKER_VOLUME"
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@ -386,7 +386,8 @@ resources:
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minion_flavor: {get_param: minion_flavor}
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fixed_network: {get_resource: fixed_network}
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fixed_subnet: {get_resource: fixed_subnet}
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kube_master_ip: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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kube_master_ip: {get_attr: [api_pool, vip, address]}
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etcd_server_ip: {get_attr: [etcd_pool, vip, address]}
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external_network: {get_param: external_network}
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kube_allow_priv: {get_param: kube_allow_priv}
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docker_volume_size: {get_param: docker_volume_size}
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@ -44,6 +44,9 @@ parameters:
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kube_master_ip:
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type: string
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description: IP address of the Kubernetes master server.
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etcd_server_ip:
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type: string
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description: IP address of the Etcd server.
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fixed_network:
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type: string
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description: Network from which to allocate fixed addresses.
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@ -91,6 +94,7 @@ resources:
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params:
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$KUBE_ALLOW_PRIV: {get_param: kube_allow_priv}
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$KUBE_MASTER_IP: {get_param: kube_master_ip}
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$ETCD_SERVER_IP: {get_param: etcd_server_ip}
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$DOCKER_VOLUME: {get_resource: docker_volume}
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configure_docker_storage:
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