// Update an existing Pool Stack
func stackUpdatePool(c *cli.Context) {
ensureEnvArg(c)
ensurePoolArg(c)
if c.String("region") != "" {
stack.Region = c.String("region")
}
poolName := utils.GalaxyPool(c)
baseStack := getBase(c)
poolEnv := utils.GalaxyEnv(c)
stackName := fmt.Sprintf("%s-%s-%s", baseStack, poolEnv, poolName)
pool, err := stack.GetPool(stackName)
if err != nil {
log.Fatal(err)
}
options := make(map[string]string)
if policy := c.String("policy"); policy != "" {
policyJSON, err := jsonFromArg(policy)
if err != nil {
log.Fatal("policy error:", err)
}
options["StackPolicyDuringUpdateBody"] = string(policyJSON)
}
resources := sharedResources(c, baseStack)
asg := pool.ASG()
if asg == nil {
log.Fatal("missing ASG")
}
if c.Int("desired-size") > 0 {
asg.Properties.DesiredCapacity = c.Int("desired-size")
}
if c.Int("min-size") > 0 {
asg.Properties.MinSize = c.Int("min-size")
}
if c.Int("max-size") > 0 {
asg.Properties.MaxSize = c.Int("max-size")
}
if c.Bool("auto-update") {
// note that the max pause is only PT5M30S
asg.SetASGUpdatePolicy(c.Int("update-min"), c.Int("update-batch"), c.Duration("update-pause"))
}
numZones := c.Int("availability-zones")
if numZones == 0 {
numZones = len(asg.Properties.VPCZoneIdentifier)
}
// start with the current settings
subnetIDs := []string{}
azIDs := []string{}
// only update the subnets/AZs if we changed the count
if len(asg.Properties.VPCZoneIdentifier) != numZones {
subnets := resources.Subnets
if numZones <= len(subnets) {
subnets = subnets[:numZones]
} else {
log.Fatal("ERROR: cannot run in %d zones, only %d available.", numZones, len(subnets))
}
for _, sn := range subnets {
subnetIDs = append(subnetIDs, sn.ID)
azIDs = append(azIDs, sn.AvailabilityZone)
}
asg.Properties.VPCZoneIdentifier = subnetIDs
asg.Properties.AvailabilityZones = azIDs
}
elb := pool.ELB()
sslCert := ""
if cert := c.String("ssl-cert"); cert != "" {
sslCert = resources.ServerCerts[cert]
if sslCert == "" {
log.Fatalf("Could not find certificate '%s'", cert)
}
}
httpPort := c.Int("http-port")
if (sslCert != "" || httpPort > 0) && elb == nil {
log.Fatal("ERROR: Pool does not have an ELB")
}
// we can set the default now that we've verified that elb can be nil
if httpPort == 0 {
httpPort = 80
}
if elb != nil {
certAdded := false
for _, l := range elb.Properties.Listeners {
if sslCert != "" && l.Protocol == "HTTPS" {
l.SSLCertificateId = sslCert
certAdded = true
}
if httpPort > 0 {
l.InstancePort = httpPort
}
}
// the elb needs a cert, but doesn't have an https listener
if sslCert != "" && !certAdded {
elb.AddListener(443, "HTTPS", httpPort, "HTTP", sslCert, nil)
}
healthCheck := c.String("http-health-check")
if healthCheck != "" && healthCheck != elb.Properties.HealthCheck.Target {
elb.Properties.HealthCheck.Target = healthCheck
}
// always make sure the ELB is in the same subnets as the ASG
elb.Properties.Subnets = asg.Properties.VPCZoneIdentifier
}
lc := pool.LC()
if amiID := c.String("ami"); amiID != "" {
lc.Properties.ImageId = amiID
}
if insType := c.String("instance-type"); insType != "" {
lc.Properties.InstanceType = insType
}
// add autoscaling if it's required
setCPUAutoScale(c, pool)
poolTmpl, err := json.MarshalIndent(pool, "", " ")
if err != nil {
log.Fatal(err)
}
if c.Bool("print") {
fmt.Println(string(poolTmpl))
return
}
log.Println("Updating stack:", stackName)
if _, err := stack.Update(stackName, poolTmpl, options); err != nil {
log.Fatal(err)
}
// do we want to wait on this by default?
if err := stack.Wait(stackName, 5*time.Minute); err != nil {
log.Fatal(err)
}
log.Println("UpdateStack complete")
}
// update the base stack
func stackUpdate(c *cli.Context) {
var stackTmpl []byte
var err error
stackName := c.Args().First()
if stackName == "" {
log.Fatal("ERROR: stack name required")
}
if c.String("region") != "" {
stack.Region = c.String("region")
}
params := make(map[string]string)
if p := c.String("parameters"); p != "" {
paramJSON, err := jsonFromArg(p)
if err != nil {
log.Fatal("ERROR: decoding parameters:", err)
}
err = json.Unmarshal(paramJSON, ¶ms)
if err != nil {
log.Fatal(err)
}
}
template := c.String("template")
if template != "" {
stackTmpl, err = jsonFromArg(template)
if err != nil {
log.Fatalf("ERROR: %s", err)
}
}
if policy := c.String("policy"); policy != "" {
policyJSON, err := jsonFromArg(policy)
if err != nil {
log.Fatal("policy error:", err)
}
params["StackPolicyDuringUpdateBody"] = string(policyJSON)
}
if len(stackTmpl) == 0 {
// get the current running template
stackTmpl, err = stack.GetTemplate(stackName)
if err != nil {
log.Fatal(err)
}
}
// this reads the Parameters supplied for our current stack for us
shared := sharedResources(c, stackName)
// add any missing parameters to our
for key, val := range shared.Parameters {
if params[key] == "" {
params[key] = val
}
}
p, _ := json.MarshalIndent(params, "", " ")
ok := promptValue(fmt.Sprintf("\nUpdate the [%s] stack with:\n%s\nAccept?", stackName, string(p)), "n")
switch strings.ToLower(ok) {
case "y", "yes":
_, err = stack.Update(stackName, stackTmpl, params)
if err != nil {
log.Fatal(err)
}
log.Println("Updating stack:", stackName)
default:
log.Fatal("aborted")
}
}