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Instead of hardcoding AZ, retrieve it from AWS

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Docker-DCO-1.1-Signed-off-by: Aaron Feng aaron.feng@gmail.com (github: aaronfeng)
This commit is contained in:
Aaron Feng
2014-07-22 08:22:23 -04:00
parent 04b2a96ff8
commit 73c18013c4
1 changed files with 10 additions and 1 deletions
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11
backends/ec2.go
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@@ -122,12 +122,17 @@ func defaultSshKeyPath() string {
return path.Join(dir, ".ssh", "id_rsa")
}
func (c *ec2Client) defaultAvailabilityZones() string {
filter := ec2.NewFilter()
resp, _ := c.ec2Conn.AvailabilityZones(filter)
return resp.Zones[0].Name
}
func defaultConfigValues() (config *ec2Config) {
config = new(ec2Config)
config.region = aws.USEast
config.ami = "ami-7c807d14"
config.instanceType = "t1.micro"
config.zone = "us-east-1a"
config.sshUser = "ec2-user"
config.tag = "docker-ec2-swarm"
config.sshLocalPort = "4910"
@@ -363,6 +368,10 @@ func Ec2() libswarm.Sender {
client.Server.OnVerb(libswarm.Ls, libswarm.Handler(client.ls))
client.Server.OnVerb(libswarm.Get, libswarm.Handler(client.get))
if config.zone == "" {
config.zone = client.defaultAvailabilityZones()
}
signalHandler(client)
_, err = ctx.Ret.Send(&libswarm.Message{Verb: libswarm.Ack, Ret: client.Server})