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coreos/azure: Make etcd cluster scalable

pull/6/head
Ilya Dmitrichenko 2015-04-22 17:11:26 +01:00
parent d882ad5411
commit 7b8abf3cbb
3 changed files with 45 additions and 8 deletions
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1
docs/getting-started-guides/coreos/azure/cloud_config_templates/kubernetes-cluster-etcd-node-template.yml
View File

@ -39,7 +39,6 @@ coreos:
Environment=ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379,http://0.0.0.0:4001
Environment=ETCD_ADVERTISE_CLIENT_URLS=http://%H:2379,http://%H:4001
Environment=ETCD_INITIAL_CLUSTER_STATE=new
Environment=ETCD_INITIAL_CLUSTER=etcd-00=http://etcd-00:2380,etcd-01=http://etcd-01:2380,etcd-02=http://etcd-02:2380
ExecStart=/opt/bin/etcd2
Restart=always
RestartSec=10

2
docs/getting-started-guides/coreos/azure/cloud_config_templates/kubernetes-cluster-main-nodes-template.yml
View File

@ -244,7 +244,7 @@ coreos:
ExecStart=/opt/kubernetes/server/bin/kube-apiserver \
--address=0.0.0.0 \
--port=8080 \
--etcd_servers=http://etcd-00:4001,http://etcd-01:4001,http://etcd-02:4001 \
$ETCD_SERVERS \
--portal_net=10.1.0.0/16 \
--cloud_provider=vagrant \
--logtostderr=true --v=3

50
docs/getting-started-guides/coreos/azure/lib/deployment_logic/kubernetes.js
View File

@ -5,15 +5,51 @@ var util = require('../util.js');
var cloud_config = require('../cloud_config.js');
etcd_initial_cluster_conf_self = function (conf) {
var port = '2380';
var data = {
nodes: _(conf.nodes.etcd).times(function (n) {
var host = util.hostname(n, 'etcd');
return [host, [host, port].join(':')].join('=http://');
}),
};
return {
'name': 'etcd2.service',
'drop-ins': [{
'name': '50-etcd-initial-cluster.conf',
'content': _.template("[Service]\nEnvironment=ETCD_INITIAL_CLUSTER=<%= nodes.join(',') %>\n")(data),
}],
};
};
etcd_initial_cluster_conf_kube = function (conf) {
var port = '4001';
var data = {
nodes: _(conf.nodes.etcd).times(function (n) {
var host = util.hostname(n, 'etcd');
return 'http://' + [host, port].join(':');
}),
};
return {
'name': 'apiserver.service',
'drop-ins': [{
'name': '50-etcd-initial-cluster.conf',
'content': _.template("[Service]\nEnvironment=ETCD_SERVERS=--etcd_servers=<%= nodes.join(',') %>\n")(data),
}],
};
};
exports.create_etcd_cloud_config = function (node_count, conf) {
var input_file = './cloud_config_templates/kubernetes-cluster-etcd-node-template.yml';
var output_file = util.join_output_file_path('kubernetes-cluster-etcd-nodes', 'generated.yml');
return _(node_count).times(function (n) {
var output_file = util.join_output_file_path('kubernetes-cluster-etcd-node-' + n, 'generated.yml');
return cloud_config.process_template(input_file, output_file, function(data) {
return data;
});
return cloud_config.process_template(input_file, output_file, function(data) {
data.coreos.units.push(etcd_initial_cluster_conf_self(conf));
return data;
});
};
@ -31,8 +67,10 @@ exports.create_node_cloud_config = function (node_count, conf) {
bridge_address_cidr: util.ipv4([10, 2, n, 1], 24),
});
};
return cloud_config.process_template(input_file, output_file, function(data) {
data.write_files = data.write_files.concat(_(node_count).times(make_node_config));
data.coreos.units.push(etcd_initial_cluster_conf_kube(conf));
return data;
});
};