headscale/utils_test.go

156 lines
3.7 KiB
Go
Raw Normal View History

package headscale
import (
"gopkg.in/check.v1"
"inet.af/netaddr"
)
func (s *Suite) TestGetAvailableIp(c *check.C) {
ip, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
expected := netaddr.MustParseIP("10.27.0.1")
c.Assert(ip.String(), check.Equals, expected.String())
}
func (s *Suite) TestGetUsedIps(c *check.C) {
ip, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
n, err := h.CreateNamespace("test_ip")
c.Assert(err, check.IsNil)
pak, err := h.CreatePreAuthKey(n.Name, false, false, nil)
c.Assert(err, check.IsNil)
_, err = h.GetMachine("test", "testmachine")
c.Assert(err, check.NotNil)
m := Machine{
ID: 0,
MachineKey: "foo",
NodeKey: "bar",
DiscoKey: "faa",
Name: "testmachine",
NamespaceID: n.ID,
Registered: true,
RegisterMethod: "authKey",
AuthKeyID: uint(pak.ID),
IPAddress: ip.String(),
}
h.db.Save(&m)
ips, err := h.getUsedIPs()
c.Assert(err, check.IsNil)
expected := netaddr.MustParseIP("10.27.0.1")
c.Assert(ips[0], check.Equals, expected)
m1, err := h.GetMachineByID(0)
c.Assert(err, check.IsNil)
c.Assert(m1.IPAddress, check.Equals, expected.String())
}
func (s *Suite) TestGetMultiIp(c *check.C) {
n, err := h.CreateNamespace("test-ip-multi")
c.Assert(err, check.IsNil)
for i := 1; i <= 350; i++ {
ip, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
pak, err := h.CreatePreAuthKey(n.Name, false, false, nil)
c.Assert(err, check.IsNil)
_, err = h.GetMachine("test", "testmachine")
c.Assert(err, check.NotNil)
m := Machine{
ID: uint64(i),
MachineKey: "foo",
NodeKey: "bar",
DiscoKey: "faa",
Name: "testmachine",
NamespaceID: n.ID,
Registered: true,
RegisterMethod: "authKey",
AuthKeyID: uint(pak.ID),
IPAddress: ip.String(),
}
h.db.Save(&m)
}
ips, err := h.getUsedIPs()
c.Assert(err, check.IsNil)
c.Assert(len(ips), check.Equals, 350)
c.Assert(ips[0], check.Equals, netaddr.MustParseIP("10.27.0.1"))
c.Assert(ips[9], check.Equals, netaddr.MustParseIP("10.27.0.10"))
c.Assert(ips[300], check.Equals, netaddr.MustParseIP("10.27.1.47"))
// Check that we can read back the IPs
m1, err := h.GetMachineByID(1)
c.Assert(err, check.IsNil)
c.Assert(m1.IPAddress, check.Equals, netaddr.MustParseIP("10.27.0.1").String())
m50, err := h.GetMachineByID(50)
c.Assert(err, check.IsNil)
c.Assert(m50.IPAddress, check.Equals, netaddr.MustParseIP("10.27.0.50").String())
expectedNextIP := netaddr.MustParseIP("10.27.1.97")
nextIP, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
c.Assert(nextIP.String(), check.Equals, expectedNextIP.String())
// If we call get Available again, we should receive
// the same IP, as it has not been reserved.
nextIP2, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
c.Assert(nextIP2.String(), check.Equals, expectedNextIP.String())
}
func (s *Suite) TestGetAvailableIpMachineWithoutIP(c *check.C) {
ip, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
expected := netaddr.MustParseIP("10.27.0.1")
c.Assert(ip.String(), check.Equals, expected.String())
n, err := h.CreateNamespace("test_ip")
c.Assert(err, check.IsNil)
pak, err := h.CreatePreAuthKey(n.Name, false, false, nil)
c.Assert(err, check.IsNil)
_, err = h.GetMachine("test", "testmachine")
c.Assert(err, check.NotNil)
m := Machine{
ID: 0,
MachineKey: "foo",
NodeKey: "bar",
DiscoKey: "faa",
Name: "testmachine",
NamespaceID: n.ID,
Registered: true,
RegisterMethod: "authKey",
AuthKeyID: uint(pak.ID),
}
h.db.Save(&m)
ip2, err := h.getAvailableIP()
c.Assert(err, check.IsNil)
c.Assert(ip2.String(), check.Equals, expected.String())
}