手动搭建Kubernetes1.8高可用集群（3）ETCD-BravePro
#!/bin/bash MASTERS="node1 node2 node3"HOSTS="node1 node2 node3"
set -o errexit
set -o pipefail
usage()
{
cat/dev/null 2>&1
openssl req -x509 -new -nodes -key ca-key.pem -days 10000 -out ca.pem -subj "/CN=etcd-ca" > /dev/null 2>&1
fi
# ETCD member
if [ -n "$MASTERS" ]; then
for host in $MASTERS; do
cn="${host%%.*}"
# Member key
openssl genrsa -out member-${host}-key.pem 2048 > /dev/null 2>&1
openssl req -new -key member-${host}-key.pem -out member-${host}.csr -subj "/CN=etcd-member-${cn}" -config ${CONFIG} > /dev/null 2>&1
openssl x509 -req -in member-${host}.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out member-${host}.pem -days 3650 -extensions ssl_client -extfile ${CONFIG} > /dev/null 2>&1
# Admin key
openssl genrsa -out admin-${host}-key.pem 2048 > /dev/null 2>&1
openssl req -new -key admin-${host}-key.pem -out admin-${host}.csr -subj "/CN=etcd-admin-${cn}" > /dev/null 2>&1
openssl x509 -req -in admin-${host}.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out admin-${host}.pem -days 3650 -extensions ssl_client-extfile ${CONFIG} > /dev/null 2>&1
done
fi
# Node keys
#if [ -n "$HOSTS" ]; then
for host in $HOSTS; do
cn="${host%%.*}"
openssl genrsa -out node-${host}-key.pem 2048 > /dev/null 2>&1
openssl req -new -key node-${host}-key.pem -out node-${host}.csr -subj "/CN=etcd-node-${cn}" > /dev/null 2>&1
openssl x509 -req -in node-${host}.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out node-${host}.pem -days 3650 -extensions ssl_client-extfile ${CONFIG} > /dev/null 2>&1
done
#fi
# Install certs
mv *.pem ${SSLDIR}/
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