mirror of https://github.com/k3s-io/k3s
63 lines
2.3 KiB
Bash
63 lines
2.3 KiB
Bash
#!/bin/bash
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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# Format and mount the disk, create directories on it for all of the master's
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# persistent data, and link them to where they're used.
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echo "Waiting for master pd to be attached"
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attempt=0
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while true; do
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echo Attempt "$(($attempt+1))" to check for /dev/xvdb
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if [[ -e /dev/xvdb ]]; then
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echo "Found /dev/xvdb"
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break
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fi
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attempt=$(($attempt+1))
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sleep 1
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done
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# Mount Master Persistent Disk
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echo "Mounting master-pd"
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mkdir -p /mnt/master-pd
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mkfs -t ext4 /dev/xvdb
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echo "/dev/xvdb /mnt/master-pd ext4 noatime 0 0" >> /etc/fstab
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mount /mnt/master-pd
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# Contains all the data stored in etcd
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mkdir -m 700 -p /mnt/master-pd/var/etcd
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# Contains the dynamically generated apiserver auth certs and keys
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mkdir -p /mnt/master-pd/srv/kubernetes
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# Contains the cluster's initial config parameters and auth tokens
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mkdir -p /mnt/master-pd/srv/salt-overlay
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# Directory for kube-apiserver to store SSH key (if necessary)
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mkdir -p /mnt/master-pd/srv/sshproxy
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ln -s -f /mnt/master-pd/var/etcd /var/etcd
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ln -s -f /mnt/master-pd/srv/kubernetes /srv/kubernetes
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ln -s -f /mnt/master-pd/srv/sshproxy /srv/sshproxy
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ln -s -f /mnt/master-pd/srv/salt-overlay /srv/salt-overlay
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# This is a bit of a hack to get around the fact that salt has to run after the
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# PD and mounted directory are already set up. We can't give ownership of the
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# directory to etcd until the etcd user and group exist, but they don't exist
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# until salt runs if we don't create them here. We could alternatively make the
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# permissions on the directory more permissive, but this seems less bad.
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if ! id etcd &>/dev/null; then
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useradd -s /sbin/nologin -d /var/etcd etcd
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fi
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chown -R etcd /mnt/master-pd/var/etcd
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chgrp -R etcd /mnt/master-pd/var/etcd
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