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moby--moby/integration-cli/docker_cli_info_test.go

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package main
import (
"fmt"
"net"
"github.com/docker/docker/pkg/integration/checker"
"github.com/docker/docker/utils"
"github.com/go-check/check"
)
// ensure docker info succeeds
func (s *DockerSuite) TestInfoEnsureSucceeds(c *check.C) {
out, _ := dockerCmd(c, "info")
// always shown fields
stringsToCheck := []string{
"ID:",
"Containers:",
"Images:",
"Execution Driver:",
"OSType:",
"Architecture:",
"Logging Driver:",
"Operating System:",
"CPUs:",
"Total Memory:",
"Kernel Version:",
"Storage Driver:",
"Volume:",
"Network:",
}
if utils.ExperimentalBuild() {
stringsToCheck = append(stringsToCheck, "Experimental: true")
}
for _, linePrefix := range stringsToCheck {
c.Assert(out, checker.Contains, linePrefix, check.Commentf("couldn't find string %v in output", linePrefix))
}
}
// TestInfoDiscoveryBackend verifies that a daemon run with `--cluster-advertise` and
// `--cluster-store` properly show the backend's endpoint in info output.
func (s *DockerSuite) TestInfoDiscoveryBackend(c *check.C) {
testRequires(c, SameHostDaemon)
d := NewDaemon(c)
discoveryBackend := "consul://consuladdr:consulport/some/path"
discoveryAdvertise := "1.1.1.1:2375"
err := d.Start(fmt.Sprintf("--cluster-store=%s", discoveryBackend), fmt.Sprintf("--cluster-advertise=%s", discoveryAdvertise))
c.Assert(err, checker.IsNil)
defer d.Stop()
out, err := d.Cmd("info")
c.Assert(err, checker.IsNil)
c.Assert(out, checker.Contains, fmt.Sprintf("Cluster store: %s\n", discoveryBackend))
c.Assert(out, checker.Contains, fmt.Sprintf("Cluster advertise: %s\n", discoveryAdvertise))
}
// TestInfoDiscoveryInvalidAdvertise verifies that a daemon run with
// an invalid `--cluster-advertise` configuration
func (s *DockerSuite) TestInfoDiscoveryInvalidAdvertise(c *check.C) {
testRequires(c, SameHostDaemon)
d := NewDaemon(c)
discoveryBackend := "consul://consuladdr:consulport/some/path"
// --cluster-advertise with an invalid string is an error
err := d.Start(fmt.Sprintf("--cluster-store=%s", discoveryBackend), "--cluster-advertise=invalid")
c.Assert(err, checker.Not(checker.IsNil))
// --cluster-advertise without --cluster-store is also an error
err = d.Start("--cluster-advertise=1.1.1.1:2375")
c.Assert(err, checker.Not(checker.IsNil))
}
// TestInfoDiscoveryAdvertiseInterfaceName verifies that a daemon run with `--cluster-advertise`
// configured with interface name properly show the advertise ip-address in info output.
func (s *DockerSuite) TestInfoDiscoveryAdvertiseInterfaceName(c *check.C) {
testRequires(c, SameHostDaemon)
d := NewDaemon(c)
discoveryBackend := "consul://consuladdr:consulport/some/path"
discoveryAdvertise := "eth0"
err := d.Start(fmt.Sprintf("--cluster-store=%s", discoveryBackend), fmt.Sprintf("--cluster-advertise=%s:2375", discoveryAdvertise))
c.Assert(err, checker.IsNil)
defer d.Stop()
iface, err := net.InterfaceByName(discoveryAdvertise)
c.Assert(err, checker.IsNil)
addrs, err := iface.Addrs()
c.Assert(err, checker.IsNil)
c.Assert(len(addrs), checker.GreaterThan, 0)
ip, _, err := net.ParseCIDR(addrs[0].String())
c.Assert(err, checker.IsNil)
out, err := d.Cmd("info")
c.Assert(err, checker.IsNil)
c.Assert(out, checker.Contains, fmt.Sprintf("Cluster store: %s\n", discoveryBackend))
c.Assert(out, checker.Contains, fmt.Sprintf("Cluster advertise: %s:2375\n", ip.String()))
}