podman/libpod/network/cni/config_test.go

1275 lines
43 KiB
Go

// +build linux
package cni_test
import (
"bytes"
"io/ioutil"
"net"
"os"
"path/filepath"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
gomegaTypes "github.com/onsi/gomega/types"
"github.com/sirupsen/logrus"
"github.com/containers/podman/v3/libpod/network/types"
"github.com/containers/podman/v3/libpod/network/util"
)
var _ = Describe("Config", func() {
var (
libpodNet types.ContainerNetwork
cniConfDir string
logBuffer bytes.Buffer
)
BeforeEach(func() {
var err error
cniConfDir, err = ioutil.TempDir("", "podman_cni_test")
if err != nil {
Fail("Failed to create tmpdir")
}
logBuffer = bytes.Buffer{}
logrus.SetOutput(&logBuffer)
})
JustBeforeEach(func() {
var err error
libpodNet, err = getNetworkInterface(cniConfDir, false)
if err != nil {
Fail("Failed to create NewCNINetworkInterface")
}
})
AfterEach(func() {
os.RemoveAll(cniConfDir)
})
Context("basic network config tests", func() {
It("check default network config exists", func() {
networks, err := libpodNet.NetworkList()
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(1))
Expect(networks[0].Name).To(Equal("podman"))
Expect(networks[0].Driver).To(Equal("bridge"))
Expect(networks[0].NetworkInterface).To(Equal("cni-podman0"))
Expect(networks[0].Created.Before(time.Now())).To(BeTrue())
Expect(networks[0].Subnets).To(HaveLen(1))
Expect(networks[0].Subnets[0].Subnet.String()).To(Equal("10.88.0.0/16"))
Expect(networks[0].Subnets[0].Gateway.String()).To(Equal("10.88.0.1"))
Expect(networks[0].Subnets[0].LeaseRange).To(BeNil())
Expect(networks[0].IPAMOptions).To(HaveKeyWithValue("driver", "host-local"))
Expect(networks[0].Options).To(BeEmpty())
Expect(networks[0].Labels).To(BeEmpty())
Expect(networks[0].DNSEnabled).To(BeFalse())
Expect(networks[0].Internal).To(BeFalse())
})
It("basic network create, inspect and remove", func() {
// Because we get the time from the file create timestamp there is small precision
// loss so lets remove 500 milliseconds to make sure this test does not flake.
now := time.Now().Add(-500 * time.Millisecond)
network := types.Network{}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Labels).To(BeEmpty())
Expect(network1.Options).To(BeEmpty())
Expect(network1.IPAMOptions).ToNot(BeEmpty())
Expect(network1.IPAMOptions).To(HaveKeyWithValue("driver", "host-local"))
Expect(network1.Created.After(now)).To(BeTrue())
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal("10.89.0.0/24"))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.89.0.1"))
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.DNSEnabled).To(BeFalse())
Expect(network1.Internal).To(BeFalse())
// inspect by name
network2, err := libpodNet.NetworkInspect(network1.Name)
Expect(err).To(BeNil())
Expect(network2).To(Equal(network1))
// inspect by ID
network2, err = libpodNet.NetworkInspect(network1.ID)
Expect(err).To(BeNil())
Expect(network2).To(Equal(network1))
// inspect by partial ID
network2, err = libpodNet.NetworkInspect(network1.ID[:10])
Expect(err).To(BeNil())
Expect(network2).To(Equal(network1))
// create a new interface to force a config load from disk
libpodNet, err = getNetworkInterface(cniConfDir, false)
Expect(err).To(BeNil())
network2, err = libpodNet.NetworkInspect(network1.Name)
Expect(err).To(BeNil())
Expect(network2).To(Equal(network1))
err = libpodNet.NetworkRemove(network1.Name)
Expect(err).To(BeNil())
Expect(path).ToNot(BeARegularFile())
_, err = libpodNet.NetworkInspect(network1.Name)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("network not found"))
})
It("create two networks", func() {
network := types.Network{}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.Subnets).To(HaveLen(1))
network = types.Network{}
network2, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network2.Name).ToNot(Equal(network1.Name))
Expect(network2.ID).ToNot(Equal(network1.ID))
Expect(network2.NetworkInterface).ToNot(Equal(network1.NetworkInterface))
Expect(network2.Subnets).To(HaveLen(1))
Expect(network2.Subnets[0].Subnet.Contains(network1.Subnets[0].Subnet.IP)).To(BeFalse())
})
It("create bridge config", func() {
network := types.Network{Driver: "bridge"}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(filepath.Join(cniConfDir, network1.Name+".conflist")).To(BeARegularFile())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Labels).To(BeEmpty())
Expect(network1.Options).To(BeEmpty())
Expect(network1.IPAMOptions).ToNot(BeEmpty())
Expect(network1.IPAMOptions).To(HaveKeyWithValue("driver", "host-local"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal("10.89.0.0/24"))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.89.0.1"))
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.DNSEnabled).To(BeFalse())
Expect(network1.Internal).To(BeFalse())
})
It("create bridge with same name should fail", func() {
network := types.Network{
Driver: "bridge",
NetworkInterface: "cni-podman2",
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).To(Equal("cni-podman2"))
Expect(network1.Driver).To(Equal("bridge"))
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("bridge name cni-podman2 already in use"))
})
It("create macvlan config", func() {
network := types.Network{Driver: "macvlan"}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(filepath.Join(cniConfDir, network1.Name+".conflist")).To(BeARegularFile())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("macvlan"))
Expect(network1.Labels).To(BeEmpty())
Expect(network1.Options).To(BeEmpty())
Expect(network1.IPAMOptions).ToNot(BeEmpty())
Expect(network1.IPAMOptions).To(HaveKeyWithValue("driver", "dhcp"))
Expect(network1.Subnets).To(HaveLen(0))
Expect(network1.DNSEnabled).To(BeFalse())
Expect(network1.Internal).To(BeFalse())
})
It("create macvlan config with device", func() {
network := types.Network{
Driver: "macvlan",
NetworkInterface: "lo",
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("macvlan"))
Expect(network1.Labels).To(BeEmpty())
Expect(network1.Options).To(BeEmpty())
Expect(network1.Subnets).To(HaveLen(0))
Expect(network1.DNSEnabled).To(BeFalse())
Expect(network1.Internal).To(BeFalse())
Expect(network1.IPAMOptions).To(HaveKeyWithValue("driver", "dhcp"))
grepInFile(path, `"type": "macvlan"`)
grepInFile(path, `"master": "lo"`)
grepInFile(path, `"type": "dhcp"`)
})
It("create macvlan config with subnet", func() {
subnet := "10.1.0.0/24"
n, _ := types.ParseCIDR(subnet)
network := types.Network{
Driver: "macvlan",
Subnets: []types.Subnet{
{Subnet: n},
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("macvlan"))
Expect(network1.Labels).To(BeEmpty())
Expect(network1.Options).To(BeEmpty())
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.1.0.1"))
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.DNSEnabled).To(BeFalse())
Expect(network1.Internal).To(BeFalse())
Expect(network1.IPAMOptions).To(HaveKeyWithValue("driver", "host-local"))
grepInFile(path, `"type": "host-local"`)
})
It("create macvlan config with invalid device", func() {
network := types.Network{
Driver: "macvlan",
NetworkInterface: "idonotexists",
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("parent interface idonotexists does not exists"))
})
It("create macvlan config with internal should fail", func() {
network := types.Network{
Driver: "macvlan",
Internal: true,
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("internal is not supported with macvlan"))
})
It("create bridge with subnet", func() {
subnet := "10.0.0.0/24"
n, _ := types.ParseCIDR(subnet)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n},
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.0.0.1"))
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
})
It("create bridge with ipv6 subnet", func() {
subnet := "fdcc::/64"
n, _ := types.ParseCIDR(subnet)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n},
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.IPv6Enabled).To(BeTrue())
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("fdcc::1"))
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
// reload configs from disk
libpodNet, err = getNetworkInterface(cniConfDir, false)
Expect(err).To(BeNil())
// check the the networks are identical
network2, err := libpodNet.NetworkInspect(network1.Name)
Expect(err).To(BeNil())
Expect(network1).To(Equal(network2))
})
It("create bridge with ipv6 enabled", func() {
network := types.Network{
Driver: "bridge",
IPv6Enabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(2))
Expect(network1.Subnets[0].Subnet.String()).To(ContainSubstring(".0/24"))
Expect(network1.Subnets[0].Gateway).ToNot(BeNil())
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.Subnets[1].Subnet.String()).To(ContainSubstring("::/64"))
Expect(network1.Subnets[1].Gateway).ToNot(BeNil())
Expect(network1.Subnets[1].LeaseRange).To(BeNil())
})
It("create bridge with ipv6 enabled and ipv4 subnet", func() {
subnet := "10.100.0.0/24"
n, _ := types.ParseCIDR(subnet)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n},
},
IPv6Enabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(2))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway).ToNot(BeNil())
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.Subnets[1].Subnet.String()).To(ContainSubstring("::/64"))
Expect(network1.Subnets[1].Gateway).ToNot(BeNil())
Expect(network1.Subnets[1].LeaseRange).To(BeNil())
})
It("create bridge with ipv6 enabled and ipv6 subnet", func() {
subnet := "fd66::/64"
n, _ := types.ParseCIDR(subnet)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n},
},
IPv6Enabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(2))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway).ToNot(BeNil())
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.Subnets[1].Subnet.String()).To(ContainSubstring(".0/24"))
Expect(network1.Subnets[1].Gateway).ToNot(BeNil())
Expect(network1.Subnets[1].LeaseRange).To(BeNil())
})
It("create bridge with ipv6 enabled and ipv4+ipv6 subnet", func() {
subnet1 := "10.100.0.0/24"
n1, _ := types.ParseCIDR(subnet1)
subnet2 := "fd66::/64"
n2, _ := types.ParseCIDR(subnet2)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n1}, {Subnet: n2},
},
IPv6Enabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(2))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet1))
Expect(network1.Subnets[0].Gateway).ToNot(BeNil())
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.Subnets[1].Subnet.String()).To(Equal(subnet2))
Expect(network1.Subnets[1].Gateway).ToNot(BeNil())
Expect(network1.Subnets[1].LeaseRange).To(BeNil())
})
It("create bridge with ipv6 enabled and two ipv4 subnets", func() {
subnet1 := "10.100.0.0/24"
n1, _ := types.ParseCIDR(subnet1)
subnet2 := "10.200.0.0/24"
n2, _ := types.ParseCIDR(subnet2)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n1}, {Subnet: n2},
},
IPv6Enabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(3))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet1))
Expect(network1.Subnets[0].Gateway).ToNot(BeNil())
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
Expect(network1.Subnets[1].Subnet.String()).To(Equal(subnet2))
Expect(network1.Subnets[1].Gateway).ToNot(BeNil())
Expect(network1.Subnets[1].LeaseRange).To(BeNil())
Expect(network1.Subnets[2].Subnet.String()).To(ContainSubstring("::/64"))
Expect(network1.Subnets[2].Gateway).ToNot(BeNil())
Expect(network1.Subnets[2].LeaseRange).To(BeNil())
})
It("create bridge with subnet and gateway", func() {
subnet := "10.0.0.5/24"
n, _ := types.ParseCIDR(subnet)
gateway := "10.0.0.50"
g := net.ParseIP(gateway)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, Gateway: g},
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal("10.0.0.0/24"))
Expect(network1.Subnets[0].Gateway.String()).To(Equal(gateway))
Expect(network1.Subnets[0].LeaseRange).To(BeNil())
})
It("create bridge with subnet and gateway not in the same subnet", func() {
subnet := "10.0.0.0/24"
n, _ := types.ParseCIDR(subnet)
gateway := "10.10.0.50"
g := net.ParseIP(gateway)
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, Gateway: g},
},
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("not in subnet"))
})
It("create bridge with subnet and lease range", func() {
subnet := "10.0.0.0/24"
n, _ := types.ParseCIDR(subnet)
startIP := "10.0.0.10"
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, LeaseRange: &types.LeaseRange{
StartIP: net.ParseIP(startIP),
}},
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.0.0.1"))
Expect(network1.Subnets[0].LeaseRange.StartIP.String()).To(Equal(startIP))
err = libpodNet.NetworkRemove(network1.Name)
Expect(err).To(BeNil())
endIP := "10.0.0.10"
network = types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, LeaseRange: &types.LeaseRange{
EndIP: net.ParseIP(endIP),
}},
},
}
network1, err = libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(filepath.Join(cniConfDir, network1.Name+".conflist")).To(BeARegularFile())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.0.0.1"))
Expect(network1.Subnets[0].LeaseRange.EndIP.String()).To(Equal(endIP))
err = libpodNet.NetworkRemove(network1.Name)
Expect(err).To(BeNil())
network = types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, LeaseRange: &types.LeaseRange{
StartIP: net.ParseIP(startIP),
EndIP: net.ParseIP(endIP),
}},
},
}
network1, err = libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(BeEmpty())
Expect(network1.ID).ToNot(BeEmpty())
Expect(network1.NetworkInterface).ToNot(BeEmpty())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).To(Equal(subnet))
Expect(network1.Subnets[0].Gateway.String()).To(Equal("10.0.0.1"))
Expect(network1.Subnets[0].LeaseRange.StartIP.String()).To(Equal(startIP))
Expect(network1.Subnets[0].LeaseRange.EndIP.String()).To(Equal(endIP))
})
It("create bridge with subnet and invalid lease range", func() {
subnet := "10.0.0.0/24"
n, _ := types.ParseCIDR(subnet)
startIP := "10.0.1.2"
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, LeaseRange: &types.LeaseRange{
StartIP: net.ParseIP(startIP),
}},
},
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("not in subnet"))
endIP := "10.1.1.1"
network = types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: n, LeaseRange: &types.LeaseRange{
EndIP: net.ParseIP(endIP),
}},
},
}
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("not in subnet"))
})
It("create bridge with broken subnet", func() {
network := types.Network{
Driver: "bridge",
Subnets: []types.Subnet{
{Subnet: types.IPNet{}},
},
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("subnet ip is nil"))
})
It("create network with name", func() {
name := "myname"
network := types.Network{
Name: name,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).To(Equal(name))
Expect(network1.NetworkInterface).ToNot(Equal(name))
Expect(network1.Driver).To(Equal("bridge"))
})
It("create network with invalid name", func() {
name := "myname@some"
network := types.Network{
Name: name,
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
})
It("create network with name", func() {
name := "myname"
network := types.Network{
Name: name,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).To(Equal(name))
Expect(network1.NetworkInterface).ToNot(Equal(name))
Expect(network1.Driver).To(Equal("bridge"))
})
It("create network with invalid name", func() {
name := "myname@some"
network := types.Network{
Name: name,
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
})
It("create network with interface name", func() {
name := "myname"
network := types.Network{
NetworkInterface: name,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).ToNot(Equal(name))
Expect(network1.NetworkInterface).To(Equal(name))
Expect(network1.Driver).To(Equal("bridge"))
})
It("create network with invalid interface name", func() {
name := "myname@some"
network := types.Network{
NetworkInterface: name,
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
})
It("create network with ID should fail", func() {
id := "17f29b073143d8cd97b5bbe492bdeffec1c5fee55cc1fe2112c8b9335f8b6121"
network := types.Network{
ID: id,
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("ID can not be set for network create"))
})
It("create bridge with dns", func() {
network := types.Network{
Driver: "bridge",
DNSEnabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.DNSEnabled).To(BeTrue())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
grepInFile(path, `"type": "dnsname"`)
})
It("create bridge with internal", func() {
network := types.Network{
Driver: "bridge",
Internal: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).ToNot(BeEmpty())
Expect(network1.Subnets[0].Gateway).To(BeNil())
Expect(network1.Internal).To(BeTrue())
})
It("create network with labels", func() {
network := types.Network{
Labels: map[string]string{
"key": "value",
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Labels).ToNot(BeNil())
Expect(network1.Labels).To(ContainElement("value"))
})
It("create network with mtu option", func() {
network := types.Network{
Options: map[string]string{
"mtu": "1500",
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Options).ToNot(BeNil())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
grepInFile(path, `"mtu": 1500,`)
Expect(network1.Options).To(HaveKeyWithValue("mtu", "1500"))
})
It("create network with invalid mtu option", func() {
network := types.Network{
Options: map[string]string{
"mtu": "abc",
},
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(`parsing "abc": invalid syntax`))
network = types.Network{
Options: map[string]string{
"mtu": "-1",
},
}
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(`mtu -1 is less than zero`))
})
It("create macvlan network with mtu option", func() {
network := types.Network{
Driver: "macvlan",
Options: map[string]string{
"mtu": "1500",
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("macvlan"))
Expect(network1.Options).ToNot(BeNil())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
grepInFile(path, `"mtu": 1500`)
Expect(network1.Options).To(HaveKeyWithValue("mtu", "1500"))
})
It("create network with vlan option", func() {
network := types.Network{
Options: map[string]string{
"vlan": "5",
},
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Options).ToNot(BeNil())
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
grepInFile(path, `"vlan": 5,`)
Expect(network1.Options).To(HaveKeyWithValue("vlan", "5"))
})
It("create network with invalid vlan option", func() {
network := types.Network{
Options: map[string]string{
"vlan": "abc",
},
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(`parsing "abc": invalid syntax`))
network = types.Network{
Options: map[string]string{
"vlan": "-1",
},
}
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(`vlan ID -1 must be between 0 and 4094`))
})
It("network create unsupported option", func() {
network := types.Network{Options: map[string]string{
"someopt": "",
}}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("unsupported network option someopt"))
})
It("network create unsupported driver", func() {
network := types.Network{
Driver: "someDriver",
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("unsupported driver someDriver"))
})
It("network create internal and dns", func() {
network := types.Network{
Driver: "bridge",
Internal: true,
DNSEnabled: true,
}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
Expect(network1.Subnets).To(HaveLen(1))
Expect(network1.Subnets[0].Subnet.String()).ToNot(BeEmpty())
Expect(network1.Subnets[0].Gateway).To(BeNil())
Expect(network1.Internal).To(BeTrue())
// internal and dns does not work, dns should be disabled
Expect(network1.DNSEnabled).To(BeFalse())
logString := logBuffer.String()
Expect(logString).To(ContainSubstring("dnsname and internal networks are incompatible"))
})
It("create config with podman machine plugin", func() {
libpodNet, err := getNetworkInterface(cniConfDir, true)
Expect(err).To(BeNil())
network := types.Network{}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Driver).To(Equal("bridge"))
path := filepath.Join(cniConfDir, network1.Name+".conflist")
Expect(path).To(BeARegularFile())
grepInFile(path, `"type": "podman-machine",`)
})
It("network inspect partial ID", func() {
network := types.Network{Name: "net4"}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.ID).To(Equal("b44b7426c006839e7fe6f15d1faf64db58079d5233cba09b43be2257c1652cf5"))
network = types.Network{Name: "net5"}
network1, err = libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.ID).To(Equal("b67e86fb039828ad686aa13667975b9e51f192eb617044faf06cded9d31602af"))
// Note ID is the sha256 from the name
// both net4 and net5 have an ID starting with b...
_, err = libpodNet.NetworkInspect("b")
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("more than one result for network ID"))
})
It("network create two with same name", func() {
network := types.Network{Name: "net"}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Name).To(Equal("net"))
network = types.Network{Name: "net"}
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("network name net already used"))
})
It("remove default network config should fail", func() {
err := libpodNet.NetworkRemove("podman")
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("default network podman cannot be removed"))
network, err := libpodNet.NetworkInspect("podman")
Expect(err).To(BeNil())
err = libpodNet.NetworkRemove(network.ID)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("default network podman cannot be removed"))
})
It("network create with same subnet", func() {
subnet := "10.0.0.0/24"
n, _ := types.ParseCIDR(subnet)
subnet2 := "10.10.0.0/24"
n2, _ := types.ParseCIDR(subnet2)
network := types.Network{Subnets: []types.Subnet{{Subnet: n}, {Subnet: n2}}}
network1, err := libpodNet.NetworkCreate(network)
Expect(err).To(BeNil())
Expect(network1.Subnets).To(HaveLen(2))
network = types.Network{Subnets: []types.Subnet{{Subnet: n}}}
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("subnet 10.0.0.0/24 is already used on the host or by another config"))
network = types.Network{Subnets: []types.Subnet{{Subnet: n2}}}
_, err = libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("subnet 10.10.0.0/24 is already used on the host or by another config"))
})
})
Context("network load valid existing ones", func() {
BeforeEach(func() {
dir := "testfiles/valid"
files, err := ioutil.ReadDir(dir)
if err != nil {
Fail("Failed to read test directory")
}
for _, file := range files {
filename := file.Name()
data, err := ioutil.ReadFile(filepath.Join(dir, filename))
if err != nil {
Fail("Failed to copy test files")
}
err = ioutil.WriteFile(filepath.Join(cniConfDir, filename), data, 0700)
if err != nil {
Fail("Failed to copy test files")
}
}
})
It("load networks from disk", func() {
nets, err := libpodNet.NetworkList()
Expect(err).To(BeNil())
Expect(nets).To(HaveLen(9))
// test the we do not show logrus warnings/errors
logString := logBuffer.String()
Expect(logString).To(BeEmpty())
})
It("change network struct fields should not affect network struct in the backend", func() {
nets, err := libpodNet.NetworkList()
Expect(err).To(BeNil())
Expect(nets).To(HaveLen(9))
nets[0].Name = "myname"
nets, err = libpodNet.NetworkList()
Expect(err).To(BeNil())
Expect(nets).To(HaveLen(9))
Expect(nets).ToNot(ContainElement(HaveNetworkName("myname")))
network, err := libpodNet.NetworkInspect("bridge")
Expect(err).To(BeNil())
network.NetworkInterface = "abc"
network, err = libpodNet.NetworkInspect("bridge")
Expect(err).To(BeNil())
Expect(network.NetworkInterface).ToNot(Equal("abc"))
})
It("bridge network", func() {
network, err := libpodNet.NetworkInspect("bridge")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("bridge"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("cni-podman9"))
Expect(network.Driver).To(Equal("bridge"))
Expect(network.Subnets).To(HaveLen(1))
Expect(network.Subnets[0].Subnet.String()).To(Equal("10.89.8.0/24"))
Expect(network.Subnets[0].Gateway.String()).To(Equal("10.89.8.1"))
Expect(network.Subnets[0].LeaseRange).ToNot(BeNil())
Expect(network.Subnets[0].LeaseRange.StartIP.String()).To(Equal("10.89.8.20"))
Expect(network.Subnets[0].LeaseRange.EndIP.String()).To(Equal("10.89.8.50"))
Expect(network.Internal).To(BeFalse())
})
It("macvlan network", func() {
network, err := libpodNet.NetworkInspect("macvlan")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("macvlan"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("lo"))
Expect(network.Driver).To(Equal("macvlan"))
Expect(network.Subnets).To(HaveLen(0))
// DHCP
})
It("internal network", func() {
network, err := libpodNet.NetworkInspect("internal")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("internal"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("cni-podman8"))
Expect(network.Driver).To(Equal("bridge"))
Expect(network.Subnets).To(HaveLen(1))
Expect(network.Subnets[0].Subnet.String()).To(Equal("10.89.7.0/24"))
Expect(network.Subnets[0].Gateway).To(BeNil())
Expect(network.Internal).To(BeTrue())
})
It("bridge network with mtu", func() {
network, err := libpodNet.NetworkInspect("mtu")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("mtu"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("cni-podman13"))
Expect(network.Driver).To(Equal("bridge"))
Expect(network.Subnets).To(HaveLen(1))
Expect(network.Subnets[0].Subnet.String()).To(Equal("10.89.11.0/24"))
Expect(network.Subnets[0].Gateway.String()).To(Equal("10.89.11.1"))
Expect(network.Internal).To(BeFalse())
Expect(network.Options).To(HaveLen(1))
Expect(network.Options).To(HaveKeyWithValue("mtu", "1500"))
})
It("macvlan network with mtu", func() {
network, err := libpodNet.NetworkInspect("macvlan_mtu")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("macvlan_mtu"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("lo"))
Expect(network.Driver).To(Equal("macvlan"))
Expect(network.Subnets).To(HaveLen(0))
Expect(network.Internal).To(BeFalse())
Expect(network.Options).To(HaveLen(1))
Expect(network.Options).To(HaveKeyWithValue("mtu", "1300"))
Expect(network.IPAMOptions).To(HaveLen(1))
Expect(network.IPAMOptions).To(HaveKeyWithValue("driver", "dhcp"))
})
It("bridge network with vlan", func() {
network, err := libpodNet.NetworkInspect("vlan")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("vlan"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("cni-podman14"))
Expect(network.Driver).To(Equal("bridge"))
Expect(network.Subnets).To(HaveLen(1))
Expect(network.Options).To(HaveLen(1))
Expect(network.Options).To(HaveKeyWithValue("vlan", "5"))
})
It("bridge network with labels", func() {
network, err := libpodNet.NetworkInspect("label")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("label"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("cni-podman15"))
Expect(network.Driver).To(Equal("bridge"))
Expect(network.Subnets).To(HaveLen(1))
Expect(network.Labels).To(HaveLen(1))
Expect(network.Labels).To(HaveKeyWithValue("mykey", "value"))
})
It("dual stack network", func() {
network, err := libpodNet.NetworkInspect("dualstack")
Expect(err).To(BeNil())
Expect(network.Name).To(Equal("dualstack"))
Expect(network.ID).To(HaveLen(64))
Expect(network.NetworkInterface).To(Equal("cni-podman21"))
Expect(network.Driver).To(Equal("bridge"))
Expect(network.Subnets).To(HaveLen(2))
sub1, _ := types.ParseCIDR("fd10:88:a::/64")
sub2, _ := types.ParseCIDR("10.89.19.0/24")
Expect(network.Subnets).To(ContainElements(
types.Subnet{Subnet: sub1, Gateway: net.ParseIP("fd10:88:a::1")},
types.Subnet{Subnet: sub2, Gateway: net.ParseIP("10.89.19.10").To4()},
))
})
It("network list with filters (name)", func() {
filters := map[string][]string{
"name": {"internal", "bridge"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(2))
Expect(networks).To(ConsistOf(HaveNetworkName("internal"), HaveNetworkName("bridge")))
})
It("network list with filters (partial name)", func() {
filters := map[string][]string{
"name": {"inte", "bri"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(2))
Expect(networks).To(ConsistOf(HaveNetworkName("internal"), HaveNetworkName("bridge")))
})
It("network list with filters (id)", func() {
filters := map[string][]string{
"id": {"3bed2cb3a3acf7b6a8ef408420cc682d5520e26976d354254f528c965612054f", "17f29b073143d8cd97b5bbe492bdeffec1c5fee55cc1fe2112c8b9335f8b6121"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(2))
Expect(networks).To(ConsistOf(HaveNetworkName("internal"), HaveNetworkName("bridge")))
})
It("network list with filters (id)", func() {
filters := map[string][]string{
"id": {"3bed2cb3a3acf7b6a8ef408420cc682d5520e26976d354254f528c965612054f", "17f29b073143d8cd97b5bbe492bdeffec1c5fee55cc1fe2112c8b9335f8b6121"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(2))
Expect(networks).To(ConsistOf(HaveNetworkName("internal"), HaveNetworkName("bridge")))
})
It("network list with filters (partial id)", func() {
filters := map[string][]string{
"id": {"3bed2cb3a3acf7b6a8ef408420", "17f29b073143d8cd97b5bbe492bde"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(2))
Expect(networks).To(ConsistOf(HaveNetworkName("internal"), HaveNetworkName("bridge")))
})
It("network list with filters (driver)", func() {
filters := map[string][]string{
"driver": {"bridge", "macvlan"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(9))
Expect(networks).To(ConsistOf(HaveNetworkName("internal"), HaveNetworkName("bridge"),
HaveNetworkName("mtu"), HaveNetworkName("vlan"), HaveNetworkName("podman"),
HaveNetworkName("label"), HaveNetworkName("macvlan"), HaveNetworkName("macvlan_mtu"), HaveNetworkName("dualstack")))
})
It("network list with filters (label)", func() {
filters := map[string][]string{
"label": {"mykey"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(1))
Expect(networks).To(ConsistOf(HaveNetworkName("label")))
filters = map[string][]string{
"label": {"mykey=value"},
}
filterFuncs, err = util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err = libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(1))
Expect(networks).To(ConsistOf(HaveNetworkName("label")))
})
It("network list with filters", func() {
filters := map[string][]string{
"driver": {"bridge"},
"label": {"mykey"},
}
filterFuncs, err := util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
Expect(filterFuncs).To(HaveLen(2))
networks, err := libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(1))
Expect(networks).To(ConsistOf(HaveNetworkName("label")))
filters = map[string][]string{
"driver": {"macvlan"},
"label": {"mykey"},
}
filterFuncs, err = util.GenerateNetworkFilters(filters)
Expect(err).To(BeNil())
networks, err = libpodNet.NetworkList(filterFuncs...)
Expect(err).To(BeNil())
Expect(networks).To(HaveLen(0))
})
It("crate bridge network with used interface name", func() {
network := types.Network{
NetworkInterface: "cni-podman9",
}
_, err := libpodNet.NetworkCreate(network)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("bridge name cni-podman9 already in use"))
})
})
Context("network load invalid existing ones", func() {
BeforeEach(func() {
dir := "testfiles/invalid"
files, err := ioutil.ReadDir(dir)
if err != nil {
Fail("Failed to read test directory")
}
for _, file := range files {
filename := file.Name()
data, err := ioutil.ReadFile(filepath.Join(dir, filename))
if err != nil {
Fail("Failed to copy test files")
}
err = ioutil.WriteFile(filepath.Join(cniConfDir, filename), data, 0700)
if err != nil {
Fail("Failed to copy test files")
}
}
})
It("load invalid networks from disk", func() {
nets, err := libpodNet.NetworkList()
Expect(err).To(BeNil())
Expect(nets).To(HaveLen(2))
logString := logBuffer.String()
Expect(logString).To(ContainSubstring("noname.conflist: error parsing configuration list: no name"))
Expect(logString).To(ContainSubstring("noplugin.conflist: error parsing configuration list: no plugins in list"))
Expect(logString).To(ContainSubstring("invalidname.conflist has invalid name, skipping: names must match"))
Expect(logString).To(ContainSubstring("has the same network name as"))
Expect(logString).To(ContainSubstring("broken.conflist: error parsing configuration list"))
Expect(logString).To(ContainSubstring("invalid_gateway.conflist could not be converted to a libpod config, skipping: failed to parse gateway ip 10.89.8"))
})
})
})
func grepInFile(path string, match string) {
data, err := ioutil.ReadFile(path)
ExpectWithOffset(1, err).To(BeNil())
ExpectWithOffset(1, string(data)).To(ContainSubstring(match))
}
// HaveNetworkName is a custom GomegaMatcher to match a network name
func HaveNetworkName(name string) gomegaTypes.GomegaMatcher {
return WithTransform(func(e types.Network) string {
return e.Name
}, Equal(name))
}