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moby--moby/integration-cli/docker_cli_config_test.go
Doug Davis 51e721ab07 Add missing defer to delete temp dir
Minor thing I just noticed

Signed-off-by: Doug Davis <dug@us.ibm.com>
2015-09-01 07:19:38 -07:00

150 lines
4.4 KiB
Go

package main
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"os/exec"
"path/filepath"
"runtime"
"github.com/docker/docker/autogen/dockerversion"
"github.com/docker/docker/pkg/homedir"
"github.com/go-check/check"
)
func (s *DockerSuite) TestConfigHttpHeader(c *check.C) {
testRequires(c, UnixCli) // Can't set/unset HOME on windows right now
// We either need a level of Go that supports Unsetenv (for cases
// when HOME/USERPROFILE isn't set), or we need to be able to use
// os/user but user.Current() only works if we aren't statically compiling
var headers map[string][]string
server := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
headers = r.Header
}))
defer server.Close()
homeKey := homedir.Key()
homeVal := homedir.Get()
tmpDir, err := ioutil.TempDir("", "fake-home")
c.Assert(err, check.IsNil)
defer os.RemoveAll(tmpDir)
dotDocker := filepath.Join(tmpDir, ".docker")
os.Mkdir(dotDocker, 0600)
tmpCfg := filepath.Join(dotDocker, "config.json")
defer func() { os.Setenv(homeKey, homeVal) }()
os.Setenv(homeKey, tmpDir)
data := `{
"HttpHeaders": { "MyHeader": "MyValue" }
}`
err = ioutil.WriteFile(tmpCfg, []byte(data), 0600)
if err != nil {
c.Fatalf("Err creating file(%s): %v", tmpCfg, err)
}
cmd := exec.Command(dockerBinary, "-H="+server.URL[7:], "ps")
out, _, _ := runCommandWithOutput(cmd)
if headers["User-Agent"] == nil {
c.Fatalf("Missing User-Agent: %q\nout:%v", headers, out)
}
if headers["User-Agent"][0] != "Docker-Client/"+dockerversion.VERSION+" ("+runtime.GOOS+")" {
c.Fatalf("Badly formatted User-Agent: %q\nout:%v", headers, out)
}
if headers["Myheader"] == nil || headers["Myheader"][0] != "MyValue" {
c.Fatalf("Missing/bad header: %q\nout:%v", headers, out)
}
}
func (s *DockerSuite) TestConfigDir(c *check.C) {
cDir, err := ioutil.TempDir("", "fake-home")
c.Assert(err, check.IsNil)
defer os.RemoveAll(cDir)
// First make sure pointing to empty dir doesn't generate an error
out, rc := dockerCmd(c, "--config", cDir, "ps")
if rc != 0 {
c.Fatalf("ps1 didn't work:\nrc:%d\nout%s", rc, out)
}
// Test with env var too
cmd := exec.Command(dockerBinary, "ps")
cmd.Env = append(os.Environ(), "DOCKER_CONFIG="+cDir)
out, rc, err = runCommandWithOutput(cmd)
if rc != 0 || err != nil {
c.Fatalf("ps2 didn't work:\nrc:%d\nout%s\nerr:%v", rc, out, err)
}
// Start a server so we can check to see if the config file was
// loaded properly
var headers map[string][]string
server := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
headers = r.Header
}))
defer server.Close()
// Create a dummy config file in our new config dir
data := `{
"HttpHeaders": { "MyHeader": "MyValue" }
}`
tmpCfg := filepath.Join(cDir, "config.json")
err = ioutil.WriteFile(tmpCfg, []byte(data), 0600)
if err != nil {
c.Fatalf("Err creating file(%s): %v", tmpCfg, err)
}
cmd = exec.Command(dockerBinary, "--config", cDir, "-H="+server.URL[7:], "ps")
out, _, _ = runCommandWithOutput(cmd)
if headers["Myheader"] == nil || headers["Myheader"][0] != "MyValue" {
c.Fatalf("ps3 - Missing header: %q\nout:%v", headers, out)
}
// Reset headers and try again using env var this time
headers = map[string][]string{}
cmd = exec.Command(dockerBinary, "-H="+server.URL[7:], "ps")
cmd.Env = append(os.Environ(), "DOCKER_CONFIG="+cDir)
out, _, _ = runCommandWithOutput(cmd)
if headers["Myheader"] == nil || headers["Myheader"][0] != "MyValue" {
c.Fatalf("ps4 - Missing header: %q\nout:%v", headers, out)
}
// Reset headers and make sure flag overrides the env var
headers = map[string][]string{}
cmd = exec.Command(dockerBinary, "--config", cDir, "-H="+server.URL[7:], "ps")
cmd.Env = append(os.Environ(), "DOCKER_CONFIG=MissingDir")
out, _, _ = runCommandWithOutput(cmd)
if headers["Myheader"] == nil || headers["Myheader"][0] != "MyValue" {
c.Fatalf("ps5 - Missing header: %q\nout:%v", headers, out)
}
// Reset headers and make sure flag overrides the env var.
// Almost same as previous but make sure the "MissingDir" isn't
// ignore - we don't want to default back to the env var.
headers = map[string][]string{}
cmd = exec.Command(dockerBinary, "--config", "MissingDir", "-H="+server.URL[7:], "ps")
cmd.Env = append(os.Environ(), "DOCKER_CONFIG="+cDir)
out, _, _ = runCommandWithOutput(cmd)
if headers["Myheader"] != nil {
c.Fatalf("ps6 - Headers are there but shouldn't be: %q\nout:%v", headers, out)
}
}