Example #1
0
File: ec2.go Project: rogpeppe/misc
func mkgroup(c cmd, conn *ec2.EC2, args []string) {
	if len(args) != 2 {
		c.usage()
	}
	_, err := conn.CreateSecurityGroup("", args[0], args[1])
	check(err, "create security group")
}
Example #2
0
// createGroup creates a new EC2 group and returns it. If it already exists,
// it revokes all its permissions and returns the existing group.
func createGroup(c *gc.C, ec2conn *amzec2.EC2, name, descr string) amzec2.SecurityGroup {
	resp, err := ec2conn.CreateSecurityGroup("", name, descr)
	if err == nil {
		return resp.SecurityGroup
	}
	if err.(*amzec2.Error).Code != "InvalidGroup.Duplicate" {
		c.Fatalf("cannot make group %q: %v", name, err)
	}

	// Found duplicate group, so revoke its permissions and return it.
	gresp, err := ec2conn.SecurityGroups(amzec2.SecurityGroupNames(name), nil)
	c.Assert(err, jc.ErrorIsNil)

	gi := gresp.Groups[0]
	if len(gi.IPPerms) > 0 {
		_, err = ec2conn.RevokeSecurityGroup(gi.SecurityGroup, gi.IPPerms)
		c.Assert(err, jc.ErrorIsNil)
	}
	return gi.SecurityGroup
}