open-nomad/e2e/networking/networking.go

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package networking
import (
"os"
"strings"
"github.com/hashicorp/nomad/e2e/e2eutil"
"github.com/hashicorp/nomad/e2e/framework"
"github.com/hashicorp/nomad/helper/uuid"
)
type NetworkingE2ETest struct {
framework.TC
jobIDs []string
}
func init() {
framework.AddSuites(&framework.TestSuite{
Component: "Networking",
CanRunLocal: true,
Cases: []framework.TestCase{
e2eutil.NewE2EJob("networking/inputs/basic.nomad"),
new(NetworkingE2ETest),
},
})
}
func (tc *NetworkingE2ETest) BeforeAll(f *framework.F) {
e2eutil.WaitForLeader(f.T(), tc.Nomad())
e2eutil.WaitForNodesReady(f.T(), tc.Nomad(), 1)
}
func (tc *NetworkingE2ETest) AfterEach(f *framework.F) {
if os.Getenv("NOMAD_TEST_SKIPCLEANUP") == "1" {
return
}
for _, jobID := range tc.jobIDs {
_, err := e2eutil.Command("nomad", "job", "stop", "-purge", jobID)
f.NoError(err)
}
tc.jobIDs = []string{}
_, err := e2eutil.Command("nomad", "system", "gc")
f.NoError(err)
}
func (tc *NetworkingE2ETest) TestNetworking_DockerBridgedHostname(f *framework.F) {
jobID := "test-networking-" + uuid.Generate()[0:8]
f.NoError(e2eutil.Register(jobID, "networking/inputs/docker_bridged_hostname.nomad"))
tc.jobIDs = append(tc.jobIDs, jobID)
f.NoError(e2eutil.WaitForAllocStatusExpected(jobID, "default", []string{"running"}),
"job should be running with 1 alloc")
// Grab the allocations for the job.
allocs, _, err := tc.Nomad().Jobs().Allocations(jobID, false, nil)
f.NoError(err, "failed to get allocs for job")
f.Len(allocs, 1, "job should have one alloc")
// Run the hostname command within the allocation.
hostnameOutput, err := e2eutil.AllocExec(allocs[0].ID, "sleep", "hostname", "default", nil)
f.NoError(err, "failed to run hostname exec command")
f.Equal("mylittlepony", strings.TrimSpace(hostnameOutput), "incorrect hostname set within container")
// Check the /etc/hosts file for the correct IP address and hostname entry.
hostsOutput, err := e2eutil.AllocExec(allocs[0].ID, "sleep", "cat /etc/hosts", "default", nil)
f.NoError(err, "failed to run hostname exec command")
f.Contains(hostsOutput, "mylittlepony", "/etc/hosts doesn't contain hostname entry")
}
func (tc *NetworkingE2ETest) TestNetworking_DockerBridgedHostnameInterpolation(f *framework.F) {
jobID := "test-networking-" + uuid.Generate()[0:8]
f.NoError(e2eutil.Register(jobID, "networking/inputs/docker_bridged_hostname_interpolation.nomad"))
tc.jobIDs = append(tc.jobIDs, jobID)
f.NoError(e2eutil.WaitForAllocStatusExpected(jobID, "default", []string{"running"}),
"job should be running with 1 alloc")
// Grab the allocations for the job.
allocs, _, err := tc.Nomad().Jobs().Allocations(jobID, false, nil)
f.NoError(err, "failed to get allocs for job")
f.Len(allocs, 1, "job should have one alloc")
// Run the hostname command within the allocation.
hostnameOutput, err := e2eutil.AllocExec(allocs[0].ID, "sleep", "hostname", "default", nil)
f.NoError(err, "failed to run hostname exec command")
f.Equal("mylittlepony-0", strings.TrimSpace(hostnameOutput), "incorrect hostname set within container")
// Check the /etc/hosts file for the correct IP address and hostname entry.
hostsOutput, err := e2eutil.AllocExec(allocs[0].ID, "sleep", "cat /etc/hosts", "default", nil)
f.NoError(err, "failed to run hostname exec command")
f.Contains(hostsOutput, "mylittlepony-0", "/etc/hosts doesn't contain hostname entry")
}