Esempio n. 1
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func (t AllocatorTestCase) run() (*types.IPConfig, error) {
	subnet, err := types.ParseCIDR(t.subnet)
	conf := IPAMConfig{
		Name:   "test",
		Type:   "host-local",
		Subnet: types.IPNet{IP: subnet.IP, Mask: subnet.Mask},
	}
	store := fakestore.NewFakeStore(t.ipmap, net.ParseIP(t.lastIP))
	alloc, _ := NewIPAllocator(&conf, store)
	res, err := alloc.Get("ID")
	return res, err
}
Esempio n. 2
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				res, err := tc.run()
				Expect(err).ToNot(HaveOccurred())
				Expect(res.IP.IP.String()).To(Equal(tc.expectResult))
			}
		})

		It("should not allocate the broadcast address", func() {
			subnet, err := types.ParseCIDR("192.168.1.0/24")
			Expect(err).ToNot(HaveOccurred())

			conf := IPAMConfig{
				Name:   "test",
				Type:   "host-local",
				Subnet: types.IPNet{IP: subnet.IP, Mask: subnet.Mask},
			}
			store := fakestore.NewFakeStore(map[string]string{}, net.ParseIP(""))
			alloc, err := NewIPAllocator(&conf, store)
			Expect(err).ToNot(HaveOccurred())

			for i := 1; i < 254; i++ {
				res, err := alloc.Get("ID")
				Expect(err).ToNot(HaveOccurred())
				// i+1 because the gateway address is skipped
				s := fmt.Sprintf("192.168.1.%d/24", i+1)
				Expect(s).To(Equal(res.IP.String()))
			}

			_, err = alloc.Get("ID")
			Expect(err).To(HaveOccurred())
		})
Esempio n. 3
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			}
		})

		Context("when requesting a specific IP", func() {
			It("must allocate the requested IP", func() {
				subnet, err := types.ParseCIDR("10.0.0.0/29")
				Expect(err).ToNot(HaveOccurred())
				requestedIP := net.ParseIP("10.0.0.2")
				ipmap := map[string]string{}
				conf := IPAMConfig{
					Name:   "test",
					Type:   "host-local",
					Subnet: types.IPNet{IP: subnet.IP, Mask: subnet.Mask},
					Args:   &IPAMArgs{IP: requestedIP},
				}
				store := fakestore.NewFakeStore(ipmap, nil)
				alloc, _ := NewIPAllocator(&conf, store)
				res, err := alloc.Get("ID")
				Expect(err).ToNot(HaveOccurred())
				Expect(res.IP.IP.String()).To(Equal(requestedIP.String()))
			})
		})
	})

	Context("when out of ips", func() {
		It("returns a meaningful error", func() {
			testCases := []AllocatorTestCase{
				{
					subnet: "10.0.0.0/30",
					ipmap: map[string]string{
						"10.0.0.2": "id",