ITQC/containernetworking-plugins
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Obtain ifname from CmdArgs and pass to backend Add ifname to second line of file tracking the IP address used by ContainerID

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Update host-local tests to use ifname along with ContainerID
in store file

Signed-off-by: Michael Cambria <mcambria@redhat.com>
This commit is contained in:
Michael Cambria
2018-09-10 16:00:47 -04:00
parent 726759b29b
commit 1e8f9525a6
7 changed files with 36 additions and 36 deletions
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10
plugins/ipam/host-local/backend/allocator/allocator.go
View File

@ -41,7 +41,7 @@ func NewIPAllocator(s *RangeSet, store backend.Store, id int) *IPAllocator {
}
// Get alocates an IP
func (a *IPAllocator) Get(id string, requestedIP net.IP) (*current.IPConfig, error) {
func (a *IPAllocator) Get(id string, ifname string, requestedIP net.IP) (*current.IPConfig, error) {
a.store.Lock()
defer a.store.Unlock()
@ -62,7 +62,7 @@ func (a *IPAllocator) Get(id string, requestedIP net.IP) (*current.IPConfig, err
return nil, fmt.Errorf("requested ip %s is subnet's gateway", requestedIP.String())
}
reserved, err := a.store.Reserve(id, requestedIP, a.rangeID)
reserved, err := a.store.Reserve(id, ifname, requestedIP, a.rangeID)
if err != nil {
return nil, err
}
@ -83,7 +83,7 @@ func (a *IPAllocator) Get(id string, requestedIP net.IP) (*current.IPConfig, err
break
}
reserved, err := a.store.Reserve(id, reservedIP.IP, a.rangeID)
reserved, err := a.store.Reserve(id, ifname, reservedIP.IP, a.rangeID)
if err != nil {
return nil, err
}
@ -110,11 +110,11 @@ func (a *IPAllocator) Get(id string, requestedIP net.IP) (*current.IPConfig, err
}
// Release clears all IPs allocated for the container with given ID
func (a *IPAllocator) Release(id string) error {
func (a *IPAllocator) Release(id string, ifname string) error {
a.store.Lock()
defer a.store.Unlock()
return a.store.ReleaseByID(id)
return a.store.ReleaseByID(id, ifname)
}
type RangeIter struct {

30
plugins/ipam/host-local/backend/allocator/allocator_test.go
View File

@ -70,7 +70,7 @@ func (t AllocatorTestCase) run(idx int) (*current.IPConfig, error) {
rangeID: "rangeid",
}
return alloc.Get("ID", nil)
return alloc.Get("ID", "eth0", nil)
}
var _ = Describe("host-local ip allocator", func() {
@ -88,8 +88,8 @@ var _ = Describe("host-local ip allocator", func() {
It("should loop correctly from the end", func() {
a := mkalloc()
a.store.Reserve("ID", net.IP{192, 168, 1, 6}, a.rangeID)
a.store.ReleaseByID("ID")
a.store.Reserve("ID", "eth0", net.IP{192, 168, 1, 6}, a.rangeID)
a.store.ReleaseByID("ID", "eth0")
r, _ := a.GetIter()
Expect(r.nextip()).To(Equal(net.IP{192, 168, 1, 2}))
Expect(r.nextip()).To(Equal(net.IP{192, 168, 1, 3}))
@ -100,8 +100,8 @@ var _ = Describe("host-local ip allocator", func() {
})
It("should loop correctly from the middle", func() {
a := mkalloc()
a.store.Reserve("ID", net.IP{192, 168, 1, 3}, a.rangeID)
a.store.ReleaseByID("ID")
a.store.Reserve("ID", "eth0", net.IP{192, 168, 1, 3}, a.rangeID)
a.store.ReleaseByID("ID", "eth0")
r, _ := a.GetIter()
Expect(r.nextip()).To(Equal(net.IP{192, 168, 1, 4}))
Expect(r.nextip()).To(Equal(net.IP{192, 168, 1, 5}))
@ -221,28 +221,28 @@ var _ = Describe("host-local ip allocator", func() {
It("should not allocate the broadcast address", func() {
alloc := mkalloc()
for i := 2; i < 7; i++ {
res, err := alloc.Get("ID", nil)
res, err := alloc.Get("ID", "eth0", nil)
Expect(err).ToNot(HaveOccurred())
s := fmt.Sprintf("192.168.1.%d/29", i)
Expect(s).To(Equal(res.Address.String()))
fmt.Fprintln(GinkgoWriter, "got ip", res.Address.String())
}
x, err := alloc.Get("ID", nil)
x, err := alloc.Get("ID", "eth0", nil)
fmt.Fprintln(GinkgoWriter, "got ip", x)
Expect(err).To(HaveOccurred())
})
It("should allocate in a round-robin fashion", func() {
alloc := mkalloc()
res, err := alloc.Get("ID", nil)
res, err := alloc.Get("ID", "eth0", nil)
Expect(err).ToNot(HaveOccurred())
Expect(res.Address.String()).To(Equal("192.168.1.2/29"))
err = alloc.Release("ID")
err = alloc.Release("ID", "eth0")
Expect(err).ToNot(HaveOccurred())
res, err = alloc.Get("ID", nil)
res, err = alloc.Get("ID", "eth0", nil)
Expect(err).ToNot(HaveOccurred())
Expect(res.Address.String()).To(Equal("192.168.1.3/29"))
@ -252,7 +252,7 @@ var _ = Describe("host-local ip allocator", func() {
It("must allocate the requested IP", func() {
alloc := mkalloc()
requestedIP := net.IP{192, 168, 1, 5}
res, err := alloc.Get("ID", requestedIP)
res, err := alloc.Get("ID", "eth0", requestedIP)
Expect(err).ToNot(HaveOccurred())
Expect(res.Address.IP.String()).To(Equal(requestedIP.String()))
})
@ -260,11 +260,11 @@ var _ = Describe("host-local ip allocator", func() {
It("must fail when the requested IP is allocated", func() {
alloc := mkalloc()
requestedIP := net.IP{192, 168, 1, 5}
res, err := alloc.Get("ID", requestedIP)
res, err := alloc.Get("ID", "eth0", requestedIP)
Expect(err).ToNot(HaveOccurred())
Expect(res.Address.IP.String()).To(Equal(requestedIP.String()))
_, err = alloc.Get("ID", requestedIP)
_, err = alloc.Get("ID", "eth0", requestedIP)
Expect(err).To(MatchError(`requested IP address 192.168.1.5 is not available in range set 192.168.1.1-192.168.1.6`))
})
@ -272,7 +272,7 @@ var _ = Describe("host-local ip allocator", func() {
alloc := mkalloc()
(*alloc.rangeset)[0].RangeEnd = net.IP{192, 168, 1, 4}
requestedIP := net.IP{192, 168, 1, 5}
_, err := alloc.Get("ID", requestedIP)
_, err := alloc.Get("ID", "eth0", requestedIP)
Expect(err).To(HaveOccurred())
})
@ -280,7 +280,7 @@ var _ = Describe("host-local ip allocator", func() {
alloc := mkalloc()
(*alloc.rangeset)[0].RangeStart = net.IP{192, 168, 1, 3}
requestedIP := net.IP{192, 168, 1, 2}
_, err := alloc.Get("ID", requestedIP)
_, err := alloc.Get("ID", "eth0", requestedIP)
Expect(err).To(HaveOccurred())
})
})