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package bindings_test
import (
"context"
"fmt"
"net/http"
"time"
"github.com/containers/common/libnetwork/types"
"github.com/containers/podman/v3/pkg/bindings"
"github.com/containers/podman/v3/pkg/bindings/containers"
"github.com/containers/podman/v3/pkg/bindings/network"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman networks", func() {
var (
bt *bindingTest
s *gexec.Session
connText context.Context
err error
)
BeforeEach(func() {
bt = newBindingTest()
bt.RestoreImagesFromCache()
s = bt.startAPIService()
time.Sleep(1 * time.Second)
connText, err = bindings.NewConnection(context.Background(), bt.sock)
Expect(err).To(BeNil())
_, err = network.Prune(connText, &network.PruneOptions{})
Expect(err).To(BeNil())
})
AfterEach(func() {
s.Kill()
bt.cleanup()
})
It("podman prune unused networks with filters", func() {
name := "foobar"
net := types.Network{
Name: name,
}
_, err = network.Create(connText, &net)
Expect(err).To(BeNil())
// Invalid filters should return error
filtersIncorrect := map[string][]string{
"status": {"dummy"},
}
_, err = network.Prune(connText, new(network.PruneOptions).WithFilters(filtersIncorrect))
Expect(err).ToNot(BeNil())
// List filter params should not work with prune.
filtersIncorrect = map[string][]string{
"name": {name},
}
_, err = network.Prune(connText, new(network.PruneOptions).WithFilters(filtersIncorrect))
Expect(err).ToNot(BeNil())
// Mismatched label, correct filter params => no network should be pruned.
filtersIncorrect = map[string][]string{
"label": {"xyz"},
}
pruneResponse, err := network.Prune(connText, new(network.PruneOptions).WithFilters(filtersIncorrect))
Expect(err).To(BeNil())
Expect(len(pruneResponse)).To(Equal(0))
// Mismatched until, correct filter params => no network should be pruned.
filters := map[string][]string{
"until": {"50"}, // January 1, 1970
}
pruneResponse, err = network.Prune(connText, new(network.PruneOptions).WithFilters(filters))
Expect(err).To(BeNil())
Expect(len(pruneResponse)).To(Equal(0))
// Valid filter params => network should be pruned now.
filters = map[string][]string{
"until": {"5000000000"}, //June 11, 2128
}
pruneResponse, err = network.Prune(connText, new(network.PruneOptions).WithFilters(filters))
Expect(err).To(BeNil())
Expect(len(pruneResponse)).To(Equal(1))
})
It("create network", func() {
// create a network with blank config should work
_, err = network.Create(connText, nil)
Expect(err).To(BeNil())
name := "foobar"
net := types.Network{
Name: name,
}
report, err := network.Create(connText, &net)
Expect(err).To(BeNil())
Expect(report.Name).To(Equal(name))
// create network with same name should 500
_, err = network.Create(connText, &net)
Expect(err).ToNot(BeNil())
code, _ := bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusInternalServerError))
})
It("inspect network", func() {
name := "foobar"
net := types.Network{
Name: name,
}
_, err = network.Create(connText, &net)
Expect(err).To(BeNil())
data, err := network.Inspect(connText, name, nil)
Expect(err).To(BeNil())
Expect(data.Name).To(Equal(name))
})
It("list networks", func() {
// create a bunch of named networks and make verify with list
netNames := []string{"homer", "bart", "lisa", "maggie", "marge"}
for i := 0; i < 5; i++ {
net := types.Network{
Name: netNames[i],
}
_, err = network.Create(connText, &net)
Expect(err).To(BeNil())
}
list, err := network.List(connText, nil)
Expect(err).To(BeNil())
Expect(len(list)).To(BeNumerically(">=", 5))
for _, n := range list {
if n.Name != "podman" {
Expect(StringInSlice(n.Name, netNames)).To(BeTrue())
}
}
// list with bad filter should be 500
filters := make(map[string][]string)
filters["foobar"] = []string{"1234"}
options := new(network.ListOptions).WithFilters(filters)
_, err = network.List(connText, options)
Expect(err).ToNot(BeNil())
code, _ := bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusInternalServerError))
// filter list with success
filters = make(map[string][]string)
filters["name"] = []string{"homer"}
options = new(network.ListOptions).WithFilters(filters)
list, err = network.List(connText, options)
Expect(err).To(BeNil())
Expect(len(list)).To(BeNumerically("==", 1))
Expect(list[0].Name).To(Equal("homer"))
})
It("remove network", func() {
// removing a noName network should result in 404
_, err := network.Remove(connText, "noName", nil)
code, err := bindings.CheckResponseCode(err)
Expect(err).To(BeNil())
Expect(code).To(BeNumerically("==", http.StatusNotFound))
// Removing an unused network should work
name := "unused"
net := types.Network{
Name: name,
}
_, err = network.Create(connText, &net)
Expect(err).To(BeNil())
report, err := network.Remove(connText, name, nil)
Expect(err).To(BeNil())
Expect(report[0].Name).To(Equal(name))
// Removing a network that is being used without force should be 500
name = "used"
net = types.Network{
Name: name,
}
_, err = network.Create(connText, &net)
Expect(err).To(BeNil())
// Start container and wait
container := "ntest"
session := bt.runPodman([]string{"run", "-dt", fmt.Sprintf("--network=%s", name), "--name", container, alpine.name, "top"})
session.Wait(45)
Expect(session.ExitCode()).To(BeZero())
_, err = network.Remove(connText, name, nil)
code, err = bindings.CheckResponseCode(err)
Expect(err).To(BeNil())
Expect(code).To(BeNumerically("==", http.StatusInternalServerError))
// Removing with a network in use with force should work with a stopped container
err = containers.Stop(connText, container, new(containers.StopOptions).WithTimeout(0))
Expect(err).To(BeNil())
options := new(network.RemoveOptions).WithForce(true)
report, err = network.Remove(connText, name, options)
Expect(err).To(BeNil())
Expect(report[0].Name).To(Equal(name))
})
})
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