func gatherArgs(c *etcd.Client) []string {
var args []string
nodes := etcd.GetList(c, "/zookeeper/nodes")
var hosts []string
for _, node := range nodes {
hosts = append(hosts, node+":3888")
}
zkHosts := strings.Join(hosts, ",")
args = append(args, "--master=zk://"+zkHosts+"/mesos")
args = append(args, "--containerizers=docker,mesos")
return args
}
func gatherArgs(c *etcd.Client) []string {
var args []string
nodes := etcd.GetList(c, "/zookeeper/nodes")
var hosts []string
for _, node := range nodes {
hosts = append(hosts, node+":3888")
}
zkHosts := strings.Join(hosts, ",")
args = append(args, "--zk=zk://"+zkHosts+"/mesos")
args = append(args, "--quorum=1")
args = append(args, "--work_dir=/tmp/mesos-master")
return args
}
// CheckZkMappingInFleet verifies if there is a mapping for each node in
// the CoreOS cluster using the metadata zookeeper=true to filter wich
// nodes zookeeper should run
func CheckZkMappingInFleet(etcdPath string, etcdClient *etcd.Client, etcdURL []string) {
// check if the nodes with the required role already have the an id.
// If not get fleet nodes with the required role and preassing the
// ids for every node in the cluster
err := etcd.AcquireLock(etcdClient, etcdLock, 10)
if err != nil {
panic(err)
}
zkNodes := etcd.GetList(etcdClient, etcdPath)
log.Debugf("zookeeper nodes %v", zkNodes)
machines, err := getMachines(etcdURL)
if err != nil {
panic(err)
}
log.Debugf("machines %v", machines)
if len(machines) == 0 {
log.Warning("")
log.Warning("there is no machine using metadata zookeeper=true in the cluster to run zookeeper")
log.Warning("we will create the mapping with for all the nodes")
log.Warning("")
machines = fleet.GetNodesInCluster(etcdURL)
}
if len(zkNodes) == 0 {
log.Debug("initializing zookeeper cluster")
for index, newZkNode := range machines {
log.Debug("adding node %v to zookeeper cluster", newZkNode)
etcd.Set(etcdClient, etcdPath+"/"+newZkNode+"/id", strconv.Itoa(index+1), 0)
}
} else {
// we check if some machine in the fleet cluster with the
// required role is not initialized (no zookeeper node id).
machinesNotInitialized := difference(machines, zkNodes)
if len(machinesNotInitialized) > 0 {
nextNodeID := getNextNodeID(etcdPath, etcdClient, zkNodes)
for _, zkNode := range machinesNotInitialized {
etcd.Set(etcdClient, etcdPath+"/"+zkNode+"/id", strconv.Itoa(nextNodeID), 0)
nextNodeID++
}
}
}
// release the etcd lock
etcd.ReleaseLock(etcdClient)
}
func gatherArgs(c *etcd.Client) []string {
var args []string
nodes := etcd.GetList(c, "/zookeeper/nodes")
var hosts []string
for _, node := range nodes {
hosts = append(hosts, node+":3888")
}
zkHosts := strings.Join(hosts, ",")
args = append(args, "--master", "zk://"+zkHosts+"/mesos")
args = append(args, "--zk", "zk://"+zkHosts+"/marathon")
// 20min task launch timeout for large docker image pulls
args = append(args, "--task_launch_timeout", "1200000")
args = append(args, "--ha")
args = append(args, "--http_port", "8180")
return args
}