// wait until a stack is in a final state, then delete it
func waitAndDelete(name string) {
log.Println("Attempting to delete stack:", name)
// we need to get the StackID in order to lookup DELETE events
desc, err := stack.DescribeStacks(name)
if err != nil {
log.Fatalf("ERROR: %s", err)
} else if len(desc.Stacks) == 0 {
log.Fatal("ERROR: could not describe stack:", name)
}
stackId := desc.Stacks[0].Id
err = stack.WaitForComplete(stackId, 5*time.Minute)
if err != nil {
log.Fatal(err)
}
_, err = stack.Delete(name)
if err != nil {
log.Fatal(err)
}
// wait
err = stack.WaitForComplete(stackId, 5*time.Minute)
if err != nil {
log.Fatal(err)
}
log.Println("Deleted stack:", name)
}
// return --base, or try to find a base cloudformation stack
func getBase(c *cli.Context) string {
errNoBase := fmt.Errorf("could not identify a unique base stack")
base := c.String("base")
if base != "" {
return base
}
descResp, err := stack.DescribeStacks("")
if err != nil {
log.Fatal(err)
}
for _, stack := range descResp.Stacks {
// first check for galaxy:base tag
baseTag := false
for _, t := range stack.Tags {
if t.Key == "galaxy" && t.Value == "base" {
baseTag = true
}
}
if baseTag {
if base != "" {
err = errNoBase
}
base = stack.Name
continue
}
parts := strings.Split(stack.Name, "-")
// check for "-base" in the name
if parts[len(parts)-1] == "base" {
if base != "" {
err = errNoBase
}
base = stack.Name
continue
}
// the best we can do for now is look for a stack with a single word
if len(parts) == 1 {
if base != "" {
err = errNoBase
}
base = stack.Name
log.Printf("Warning: guessing base stack: %s", base)
}
}
if err != nil {
log.Fatalf("%s: %s", err, "use --base")
}
return base
}
func stackList(c *cli.Context) {
if c.String("region") != "" {
stack.Region = c.String("region")
}
descResp, err := stack.DescribeStacks("")
if err != nil {
log.Fatal(err)
}
stacks := []string{"STACK | STATUS | "}
for _, stack := range descResp.Stacks {
s := fmt.Sprintf("%s | %s | %s", stack.Name, stack.Status, stack.StatusReason)
stacks = append(stacks, s)
}
output, _ := columnize.SimpleFormat(stacks)
log.Println(output)
}