magnum/magnum/templates/kubernetes/fragments/configure-etcd-coreos.yaml
Hongbin Lu dc1eacee60 Fix the CoreOS Heat templates
This patch follows the CoreOS guidance for kubernetes:
https://coreos.com/kubernetes/docs/latest/getting-started.html

CoreOS doesn't support multi-part mime user-data, so we cannot pack
multiple scripts into one (which we did in Atomic). The major work of
this patch is to wrap each cloud-init script with a systemd unit,
which will be executed one-by-one at the first boot.

Note that this patch only enable a basic CoreOS support. Advanced
features (i.e. TLS, Cinder volume, HA, external load balancing) are
not included. These features need to be ported from Atomic as a
future work.

Partially-Implements: blueprint coreos-k8s-bay
Change-Id: Ib6fe76718ac9b198e0aae57618d3edd98792f15d
2016-01-18 20:42:25 +00:00

47 lines
1.3 KiB
YAML

#cloud-config
write_files:
- path: /etc/systemd/system/configure-etcd.service
owner: "root:root"
permissions: "0644"
content: |
[Unit]
Description=Configure etcd
[Service]
Type=oneshot
ExecStart=/etc/sysconfig/configure-etcd.sh
[Install]
WantedBy=multi-user.target
- path: /etc/sysconfig/configure-etcd.sh
owner: "root:root"
permissions: "0755"
content: |
#!/bin/sh
. /etc/sysconfig/heat-params
myip=$(ip addr show eth0 |
awk '$1 == "inet" {print $2}' | cut -f1 -d/)
DROP_IN_FILE=/etc/systemd/system/etcd2.service.d/20-configure-etcd.conf
mkdir -p $(dirname $DROP_IN_FILE)
cat > $DROP_IN_FILE <<EOF
[Service]
Environment=ETCD_NAME=$myip
Environment=ETCD_DATA_DIR=/var/lib/etcd/default.etcd
Environment=ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379
Environment=ETCD_LISTEN_PEER_URLS=http://$myip:2380
Environment=ETCD_ADVERTISE_CLIENT_URLS=http://$myip:2379
Environment=ETCD_INITIAL_ADVERTISE_PEER_URLS=http://$myip:2380
Environment=ETCD_DISCOVERY=$ETCD_DISCOVERY_URL
EOF
if [ -n "$HTTP_PROXY" ]; then
echo "Environment=ETCD_DISCOVERY_PROXY=$HTTP_PROXY" >> $DROP_IN_FILE
fi
systemctl enable etcd2
systemctl --no-block start etcd2