Example #1
0
func (*PortRangeSuite) TestParsePortRangeRoundTrip(c *gc.C) {
	portRange, err := network.ParsePortRange("8000-8099/tcp")
	c.Assert(err, jc.ErrorIsNil)
	portRangeStr := portRange.String()

	c.Check(portRangeStr, gc.Equals, "8000-8099/tcp")
}
Example #2
0
func (s *PortSetSuite) SetUpTest(c *gc.C) {
	s.BaseSuite.SetUpTest(c)

	portRange1, err := network.ParsePortRange("8000-8099/tcp")
	c.Assert(err, jc.ErrorIsNil)
	portRange2, err := network.ParsePortRange("80/tcp")
	c.Assert(err, jc.ErrorIsNil)
	portRange3, err := network.ParsePortRange("79-81/tcp")
	c.Assert(err, jc.ErrorIsNil)
	portRange4, err := network.ParsePortRange("5000-5123/udp")
	c.Assert(err, jc.ErrorIsNil)

	s.portRange1 = portRange1
	s.portRange2 = portRange2
	s.portRange3 = portRange3
	s.portRange4 = portRange4
}
Example #3
0
func (*PortRangeSuite) TestParsePortRangeDefaultProtocol(c *gc.C) {
	portRange, err := network.ParsePortRange("80")
	c.Assert(err, jc.ErrorIsNil)

	c.Check(portRange.Protocol, gc.Equals, "tcp")
	c.Check(portRange.FromPort, gc.Equals, 80)
	c.Check(portRange.ToPort, gc.Equals, 80)
}
Example #4
0
// Ports build a list of all open port ranges for a given firewall name
// (within the Connection's project) and returns it. If the firewall
// does not exist then the list will be empty and no error is returned.
func (gce Connection) Ports(fwname string) ([]network.PortRange, error) {
	firewall, err := gce.raw.GetFirewall(gce.projectID, fwname)
	if errors.IsNotFound(err) {
		return nil, nil
	}
	if err != nil {
		return nil, errors.Annotate(err, "while getting ports from GCE")
	}

	var ports []network.PortRange
	for _, allowed := range firewall.Allowed {
		for _, portRangeStr := range allowed.Ports {
			portRange, err := network.ParsePortRange(portRangeStr)
			if err != nil {
				return ports, errors.Annotate(err, "bad ports from GCE")
			}
			portRange.Protocol = allowed.IPProtocol
			ports = append(ports, portRange)
		}
	}

	return ports, nil
}
Example #5
0
func (*PortRangeSuite) TestParsePortRangeNonIntPort(c *gc.C) {
	_, err := network.ParsePortRange("spam-100")

	c.Check(err, gc.ErrorMatches, `invalid port "spam".*`)
}
Example #6
0
func (*PortRangeSuite) TestParsePortRangeMultiRange(c *gc.C) {
	_, err := network.ParsePortRange("10-55-100")

	c.Check(err, gc.ErrorMatches, `invalid port range "10-55-100".*`)
}
Example #7
0
// Ports is specified in the Instance interface.
func (inst *azureInstance) Ports(machineId string) (ports []jujunetwork.PortRange, err error) {
	inst.env.mu.Lock()
	nsgClient := network.SecurityGroupsClient{inst.env.network}
	inst.env.mu.Unlock()

	securityGroupName := internalSecurityGroupName
	nsg, err := nsgClient.Get(inst.env.resourceGroup, securityGroupName)
	if err != nil {
		return nil, errors.Annotate(err, "querying network security group")
	}
	if nsg.Properties.SecurityRules == nil {
		return nil, nil
	}

	vmName := resourceName(names.NewMachineTag(machineId))
	prefix := instanceNetworkSecurityRulePrefix(instance.Id(vmName))
	for _, rule := range *nsg.Properties.SecurityRules {
		if rule.Properties.Direction != network.Inbound {
			continue
		}
		if rule.Properties.Access != network.Allow {
			continue
		}
		if to.Int(rule.Properties.Priority) <= securityRuleInternalMax {
			continue
		}
		if !strings.HasPrefix(to.String(rule.Name), prefix) {
			continue
		}

		var portRange jujunetwork.PortRange
		if *rule.Properties.DestinationPortRange == "*" {
			portRange.FromPort = 0
			portRange.ToPort = 65535
		} else {
			portRange, err = jujunetwork.ParsePortRange(
				*rule.Properties.DestinationPortRange,
			)
			if err != nil {
				return nil, errors.Annotatef(
					err, "parsing port range for security rule %q",
					to.String(rule.Name),
				)
			}
		}

		var protocols []string
		switch rule.Properties.Protocol {
		case network.SecurityRuleProtocolTCP:
			protocols = []string{"tcp"}
		case network.SecurityRuleProtocolUDP:
			protocols = []string{"udp"}
		default:
			protocols = []string{"tcp", "udp"}
		}
		for _, protocol := range protocols {
			portRange.Protocol = protocol
			ports = append(ports, portRange)
		}
	}
	return ports, nil
}