magnum/magnum/drivers/common/templates/kubernetes/fragments/configure-kubernetes-minion.sh

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#!/bin/sh
. /etc/sysconfig/heat-params
echo "configuring kubernetes (minion)"
CERT_DIR=/srv/kubernetes
PROTOCOL=https
FLANNEL_OPTIONS="-etcd-cafile $CERT_DIR/ca.crt \
-etcd-certfile $CERT_DIR/client.crt \
-etcd-keyfile $CERT_DIR/client.key"
ETCD_CURL_OPTIONS="--cacert $CERT_DIR/ca.crt \
--cert $CERT_DIR/client.crt --key $CERT_DIR/client.key"
ETCD_SERVER_IP=${ETCD_SERVER_IP:-$KUBE_MASTER_IP}
KUBE_PROTOCOL="https"
KUBE_CONFIG=""
FLANNELD_CONFIG=/etc/sysconfig/flanneld
if [ "$TLS_DISABLED" = "True" ]; then
PROTOCOL=http
FLANNEL_OPTIONS=""
ETCD_CURL_OPTIONS=""
fi
sed -i '/FLANNEL_OPTIONS/'d $FLANNELD_CONFIG
cat >> $FLANNELD_CONFIG <<EOF
FLANNEL_OPTIONS="$FLANNEL_OPTIONS"
EOF
if [ "$TLS_DISABLED" = "True" ]; then
KUBE_PROTOCOL="http"
else
KUBE_CONFIG="--kubeconfig=/srv/kubernetes/kubeconfig.yaml"
fi
KUBE_MASTER_URI="$KUBE_PROTOCOL://$KUBE_MASTER_IP:$KUBE_API_PORT"
sed -i '
/^KUBE_ALLOW_PRIV=/ s/=.*/="--allow-privileged='"$KUBE_ALLOW_PRIV"'"/
/^KUBE_ETCD_SERVERS=/ s|=.*|="--etcd-servers=http://'"$ETCD_SERVER_IP"':2379"|
/^KUBE_MASTER=/ s|=.*|="--master='"$KUBE_MASTER_URI"'"|
' /etc/kubernetes/config
# NOTE: Kubernetes plugin for Openstack requires that the node name registered
# in the kube-apiserver be the same as the Nova name of the instance, so that
# the plugin can use the name to query for attributes such as IP, etc.
# The hostname of the node is set to be the Nova name of the instance, and
# the option --hostname-override for kubelet uses the hostname to register the node.
# Using any other name will break the load balancer and cinder volume features.
HOSTNAME_OVERRIDE=$(hostname --short | sed 's/\.novalocal//')
KUBELET_ARGS="--config=/etc/kubernetes/manifests --cadvisor-port=4194 ${KUBE_CONFIG} --hostname-override=${HOSTNAME_OVERRIDE}"
KUBELET_ARGS="${KUBELET_ARGS} --cluster_dns=${DNS_SERVICE_IP} --cluster_domain=${DNS_CLUSTER_DOMAIN}"
if [ -n "$TRUST_ID" ]; then
KUBELET_ARGS="$KUBELET_ARGS --cloud-provider=openstack --cloud-config=/etc/sysconfig/kube_openstack_config"
fi
# Workaround for Cinder support (fixed in k8s >= 1.6)
if [ ! -f /usr/bin/udevadm ]; then
ln -s /sbin/udevadm /usr/bin/udevadm
fi
# For using default log-driver, other options should be ignored
sed -i 's/\-\-log\-driver\=journald//g' /etc/sysconfig/docker
if [ -n "${INSECURE_REGISTRY_URL}" ]; then
KUBELET_ARGS="${KUBELET_ARGS} --pod-infra-container-image=${INSECURE_REGISTRY_URL}/google_containers/pause\:0.8.0"
echo "INSECURE_REGISTRY='--insecure-registry ${INSECURE_REGISTRY_URL}'" >> /etc/sysconfig/docker
fi
sed -i '
/^KUBELET_ADDRESS=/ s/=.*/="--address=0.0.0.0"/
/^KUBELET_HOSTNAME=/ s/=.*/=""/
/^KUBELET_API_SERVER=/ s|=.*|="--api-servers='"$KUBE_MASTER_URI"'"|
/^KUBELET_ARGS=/ s|=.*|="'"${KUBELET_ARGS}"'"|
' /etc/kubernetes/kubelet
sed -i '
/^KUBE_PROXY_ARGS=/ s|=.*|='"$KUBE_CONFIG"'|
' /etc/kubernetes/proxy
if [ "$NETWORK_DRIVER" = "flannel" ]; then
sed -i '
/^FLANNEL_ETCD_ENDPOINTS=/ s|=.*|="'"$PROTOCOL"'://'"$ETCD_SERVER_IP"':2379"|
' $FLANNELD_CONFIG
# Make sure etcd has a flannel configuration
. $FLANNELD_CONFIG
until curl -sf $ETCD_CURL_OPTIONS \
"$FLANNEL_ETCD_ENDPOINTS/v2/keys${FLANNEL_ETCD_PREFIX}/config?quorum=false&recursive=false&sorted=false"
do
echo "Waiting for flannel configuration in etcd..."
sleep 5
done
fi
cat >> /etc/environment <<EOF
KUBERNETES_MASTER=$KUBE_MASTER_URI
EOF
hostname `hostname | sed 's/.novalocal//'`