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/
test_cli.go
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/
test_cli.go
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package main
import (
"bufio"
"bytes"
"crypto/sha512"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"syscall"
"time"
units "github.com/docker/go-units"
"github.com/flynn/flynn/cli/config"
controller "github.com/flynn/flynn/controller/client"
ct "github.com/flynn/flynn/controller/types"
"github.com/flynn/flynn/host/resource"
"github.com/flynn/flynn/pkg/attempt"
hh "github.com/flynn/flynn/pkg/httphelper"
"github.com/flynn/flynn/pkg/random"
"github.com/flynn/flynn/pkg/tlscert"
"github.com/flynn/flynn/tarreceive/utils"
c "github.com/flynn/go-check"
)
type CLISuite struct {
Helper
}
var _ = c.ConcurrentSuite(&CLISuite{})
const UUIDRegex = "[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}"
func (s *CLISuite) flynn(t *c.C, args ...string) *CmdResult {
return flynn(t, "/", args...)
}
func (s *CLISuite) TestCreateAppNoGit(t *c.C) {
dir := t.MkDir()
name := random.String(30)
t.Assert(flynn(t, dir, "create", name), Outputs, fmt.Sprintf("Created %s\n", name))
}
func testApp(s *CLISuite, t *c.C, remote string) {
app := s.newGitRepo(t, "")
name := random.String(30)
flynnRemote := fmt.Sprintf("%s\t%s/%s.git (push)", remote, s.clusterConf(t).GitURL, name)
if remote == "flynn" {
t.Assert(app.flynn("create", "-y", name), Outputs, fmt.Sprintf("Created %s\n", name))
} else {
t.Assert(app.flynn("create", "-r", remote, "-y", name), Outputs, fmt.Sprintf("Created %s\n", name))
}
t.Assert(app.flynn("apps"), SuccessfulOutputContains, name)
t.Assert(app.flynn("-c", "default", "apps"), SuccessfulOutputContains, name)
if remote == "" {
t.Assert(app.git("remote", "-v"), c.Not(SuccessfulOutputContains), flynnRemote)
} else {
t.Assert(app.git("remote", "-v"), SuccessfulOutputContains, flynnRemote)
}
// make sure flynn components are listed
t.Assert(app.flynn("apps"), SuccessfulOutputContains, "router")
t.Assert(app.flynn("-c", "default", "apps"), SuccessfulOutputContains, "router")
// flynn delete
if remote == "flynn" {
t.Assert(app.flynn("delete", "--yes"), Succeeds)
} else {
if remote == "" {
t.Assert(app.flynn("-a", name, "delete", "--yes", "-r", remote), Succeeds)
} else {
t.Assert(app.flynn("delete", "--yes", "-r", remote), Succeeds)
}
}
t.Assert(app.git("remote", "-v"), c.Not(SuccessfulOutputContains), flynnRemote)
}
func (s *CLISuite) TestApp(t *c.C) {
testApp(s, t, "flynn")
}
func (s *CLISuite) TestAppWithCustomRemote(t *c.C) {
testApp(s, t, random.String(8))
}
func (s *CLISuite) TestAppWithNoRemote(t *c.C) {
testApp(s, t, "")
}
func (s *CLISuite) TestPs(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
ps := func() []string {
out := app.flynn("ps")
t.Assert(out, Succeeds)
lines := strings.Split(out.Output, "\n")
return lines[1 : len(lines)-1]
}
// empty formation == empty ps
t.Assert(ps(), c.HasLen, 0)
t.Assert(app.flynn("scale", "echoer=3"), Succeeds)
jobs := ps()
// should return 3 jobs
t.Assert(jobs, c.HasLen, 3)
// check job types
for _, j := range jobs {
t.Assert(j, Matches, "echoer")
}
t.Assert(app.flynn("scale", "echoer=0"), Succeeds)
t.Assert(ps(), c.HasLen, 0)
}
func (s *CLISuite) TestScale(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
assertEventOutput := func(scale *CmdResult, events ct.JobEvents) {
var actual []*ct.Job
f := func(e *ct.Job) error {
actual = append(actual, e)
return nil
}
t.Assert(app.watcher.WaitFor(events, scaleTimeout, f), c.IsNil)
for _, e := range actual {
id := e.ID
if id == "" {
id = e.UUID
}
t.Assert(scale, OutputContains, fmt.Sprintf("==> %s %s %s", e.Type, id, e.State))
}
}
scale := app.flynn("scale", "echoer=1")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "scaling echoer: 0=>1")
t.Assert(scale, SuccessfulOutputContains, "scale completed")
assertEventOutput(scale, ct.JobEvents{"echoer": {ct.JobStateUp: 1}})
scale = app.flynn("scale", "echoer=3", "printer=1")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "echoer: 1=>3")
t.Assert(scale, SuccessfulOutputContains, "printer: 0=>1")
t.Assert(scale, SuccessfulOutputContains, "scale completed")
assertEventOutput(scale, ct.JobEvents{"echoer": {ct.JobStateUp: 2}, "printer": {ct.JobStateUp: 1}})
// no args should show current scale
scale = app.flynn("scale")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "echoer=3")
t.Assert(scale, SuccessfulOutputContains, "printer=1")
t.Assert(scale, SuccessfulOutputContains, "crasher=0")
t.Assert(scale, SuccessfulOutputContains, "omni=0")
// scale should only affect specified processes
scale = app.flynn("scale", "printer=2")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "printer: 1=>2")
t.Assert(scale, c.Not(OutputContains), "echoer")
t.Assert(scale, SuccessfulOutputContains, "scale completed")
assertEventOutput(scale, ct.JobEvents{"printer": {ct.JobStateUp: 1}})
scale = app.flynn("scale")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "echoer=3")
t.Assert(scale, SuccessfulOutputContains, "printer=2")
t.Assert(scale, SuccessfulOutputContains, "crasher=0")
t.Assert(scale, SuccessfulOutputContains, "omni=0")
// unchanged processes shouldn't appear in output
scale = app.flynn("scale", "echoer=3", "printer=0")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "printer: 2=>0")
t.Assert(scale, c.Not(OutputContains), "echoer")
t.Assert(scale, SuccessfulOutputContains, "scale completed")
assertEventOutput(scale, ct.JobEvents{"printer": {ct.JobStateDown: 2}})
// --no-wait should not wait for scaling to complete
scale = app.flynn("scale", "--no-wait", "echoer=0")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, "scaling echoer: 3=>0")
t.Assert(scale, c.Not(OutputContains), "scale completed")
}
func (s *CLISuite) TestScaleAll(t *c.C) {
client := s.controllerClient(t)
app := s.newCliTestApp(t)
release := app.release
defer app.cleanup()
scale := app.flynn("scale", "echoer=1", "printer=2")
t.Assert(scale, Succeeds)
scale = app.flynn("scale", "--all")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, fmt.Sprintf("%s (current)\n", release.ID))
t.Assert(scale, SuccessfulOutputContains, "echoer=1")
t.Assert(scale, SuccessfulOutputContains, "printer=2")
prevRelease := release
release = &ct.Release{
ArtifactIDs: release.ArtifactIDs,
Env: release.Env,
Meta: release.Meta,
Processes: release.Processes,
}
t.Assert(client.CreateRelease(app.id, release), c.IsNil)
t.Assert(client.SetAppRelease(app.id, release.ID), c.IsNil)
scale = app.flynn("scale", "echoer=2", "printer=1")
t.Assert(scale, Succeeds)
scale = app.flynn("scale", "--all")
t.Assert(scale, Succeeds)
t.Assert(scale, SuccessfulOutputContains, fmt.Sprintf("%s (current)\n", release.ID))
t.Assert(scale, SuccessfulOutputContains, "echoer=2")
t.Assert(scale, SuccessfulOutputContains, "printer=1")
t.Assert(scale, SuccessfulOutputContains, fmt.Sprintf("%s\n", prevRelease.ID))
t.Assert(scale, SuccessfulOutputContains, "echoer=1")
t.Assert(scale, SuccessfulOutputContains, "printer=2")
scale = app.flynn("scale", "--all", "--release", release.ID)
t.Assert(scale, c.Not(Succeeds))
scale = app.flynn("scale", "--all", "echoer=3", "printer=3")
t.Assert(scale, c.Not(Succeeds))
}
func (s *CLISuite) TestRun(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
// this shouldn't be logged
t.Assert(app.sh("echo foo"), Outputs, "foo\n")
// drain the events
app.waitFor(ct.JobEvents{"": {ct.JobStateDown: 1}})
// this should be logged due to the --enable-log flag
t.Assert(app.flynn("run", "--enable-log", "echo", "hello"), Outputs, "hello\n")
app.waitFor(ct.JobEvents{"": {ct.JobStateDown: 1}})
detached := app.flynn("run", "-d", "echo", "world")
t.Assert(detached, Succeeds)
t.Assert(detached, c.Not(Outputs), "world\n")
id := strings.TrimSpace(detached.Output)
jobID := app.waitFor(ct.JobEvents{"": {ct.JobStateDown: 1}})
t.Assert(jobID, c.Equals, id)
t.Assert(app.flynn("log", "--raw-output"), Outputs, "hello\nworld\n")
// test stdin and stderr
streams := app.flynnCmd("run", "sh", "-c", "cat 1>&2")
stdin, err := streams.StdinPipe()
t.Assert(err, c.IsNil)
go func() {
stdin.Write([]byte("goto stderr"))
stdin.Close()
}()
var stderr bytes.Buffer
var stdout bytes.Buffer
streams.Stderr = &stderr
streams.Stdout = &stdout
t.Assert(streams.Run(), c.IsNil)
t.Assert(stderr.String(), c.Equals, "goto stderr")
t.Assert(stdout.String(), c.Equals, "")
// test exit code
exit := app.sh("exit 42")
t.Assert(exit, c.Not(Succeeds))
if msg, ok := exit.Err.(*exec.ExitError); ok { // there is error code
code := msg.Sys().(syscall.WaitStatus).ExitStatus()
t.Assert(code, c.Equals, 42)
} else {
t.Fatal("There was no error code!")
}
}
func (s *CLISuite) TestRunSignal(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
wait := func(cmd *exec.Cmd) error {
done := make(chan error)
go func() {
done <- cmd.Wait()
}()
select {
case err := <-done:
return err
case <-time.After(12 * time.Second):
return errors.New("timeout")
}
}
var out bytes.Buffer
cmd := app.flynnCmd("run", "/bin/signal")
cmd.Stdout = &out
t.Assert(cmd.Start(), c.IsNil)
app.waitForService("signal-service")
t.Assert(cmd.Process.Signal(syscall.SIGINT), c.IsNil)
t.Assert(wait(cmd), c.IsNil)
t.Assert(out.String(), c.Equals, "got signal: interrupt")
}
func (s *CLISuite) TestRunNoImage(t *c.C) {
r := s.newGitRepo(t, "empty-release")
t.Assert(r.flynn("create"), Succeeds)
t.Assert(r.flynn("env", "set", "FOO=BAR", "BUILDPACK_URL=https://github.com/kr/heroku-buildpack-inline"), Succeeds)
// running a command before pushing should error
cmd := r.flynn("run", "env")
t.Assert(cmd, c.Not(Succeeds))
t.Assert(cmd, OutputContains, "App release has no image, push a release first")
// command should work after push
t.Assert(r.git("push", "flynn", "master"), Succeeds)
cmd = r.flynn("run", "env")
t.Assert(cmd, Succeeds)
t.Assert(cmd, OutputContains, "FOO=BAR")
}
func (s *CLISuite) TestEnv(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("env", "set", "ENV_TEST=var", "SECOND_VAL=2"), Succeeds)
t.Assert(app.flynn("env"), SuccessfulOutputContains, "ENV_TEST=var\nSECOND_VAL=2")
t.Assert(app.flynn("env", "get", "ENV_TEST"), Outputs, "var\n")
t.Assert(app.flynn("env", "set", "-t", "ping", "ENV_TEST=foo"), Succeeds)
t.Assert(app.flynn("env", "get", "-t", "ping", "ENV_TEST"), Outputs, "foo\n")
t.Assert(app.flynn("env", "get", "ENV_TEST"), Outputs, "var\n")
// test that containers do contain the ENV var
t.Assert(app.sh("echo $ENV_TEST"), Outputs, "var\n")
t.Assert(app.flynn("env", "unset", "ENV_TEST"), Succeeds)
t.Assert(app.sh("echo $ENV_TEST"), Outputs, "\n")
}
func (s *CLISuite) TestMeta(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("meta", "set", "META_TEST=var", "SECOND_VAL=2"), Succeeds)
t.Assert(app.flynn("meta").Output, Matches, `META_TEST *var`)
t.Assert(app.flynn("meta").Output, Matches, `SECOND_VAL *2`)
// test that unset can remove all meta tags
t.Assert(app.flynn("meta", "unset", "META_TEST", "SECOND_VAL"), Succeeds)
t.Assert(app.flynn("meta").Output, c.Not(Matches), `META_TEST *var`)
t.Assert(app.flynn("meta").Output, c.Not(Matches), `SECOND_VAL *2`)
}
func (s *CLISuite) TestKill(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("scale", "--no-wait", "echoer=1"), Succeeds)
jobID := app.waitFor(ct.JobEvents{"echoer": {ct.JobStateUp: 1}})
t.Assert(app.flynn("kill", jobID), Succeeds)
stoppedID := app.waitFor(ct.JobEvents{"echoer": {ct.JobStateDown: 1}})
t.Assert(stoppedID, c.Equals, jobID)
}
func (s *CLISuite) TestRoute(t *c.C) {
client := s.controllerClient(t)
app := s.newCliTestApp(t)
defer app.cleanup()
// The router API does not currently give us a "read your own writes"
// guarantee, so we must retry a few times if we don't get the expected
// result.
assertRouteContains := func(str string, contained bool) {
var res *CmdResult
attempt.Strategy{
Total: 10 * time.Second,
Delay: 500 * time.Millisecond,
}.Run(func() error {
res = app.flynn("route")
if contained == strings.Contains(res.Output, str) {
return nil
}
return errors.New("unexpected output")
})
if contained {
t.Assert(res, SuccessfulOutputContains, str)
} else {
t.Assert(res, c.Not(SuccessfulOutputContains), str)
}
}
// flynn route add http
route := random.String(32) + ".dev"
newRoute := app.flynn("route", "add", "http", route)
t.Assert(newRoute, Succeeds)
routeID := strings.TrimSpace(newRoute.Output)
assertRouteContains(routeID, true)
// ensure sticky and leader flags default to not set
routes, err := client.AppRouteList(app.name)
t.Assert(err, c.IsNil)
var found bool
for _, r := range routes {
if fmt.Sprintf("%s/%s", r.Type, r.ID) != routeID {
continue
}
t.Assert(r.Sticky, c.Equals, false)
t.Assert(r.Leader, c.Equals, false)
found = true
break
}
t.Assert(found, c.Equals, true, c.Commentf("didn't find route"))
// flynn route add http --sticky --leader
route = random.String(32) + ".dev"
newRoute = app.flynn("route", "add", "http", "--sticky", route, "--leader")
t.Assert(newRoute, Succeeds)
routeID = strings.TrimSpace(newRoute.Output)
assertRouteContains(routeID, true)
// duplicate http route
dupRoute := app.flynn("route", "add", "http", "--sticky", route)
t.Assert(dupRoute, c.Not(Succeeds))
t.Assert(dupRoute.Output, c.Equals, "conflict: Duplicate route\n")
// ensure sticky and leader flags are set
routes, err = client.AppRouteList(app.name)
t.Assert(err, c.IsNil)
for _, r := range routes {
if fmt.Sprintf("%s/%s", r.Type, r.ID) != routeID {
continue
}
t.Assert(r.Sticky, c.Equals, true)
t.Assert(r.Leader, c.Equals, true)
found = true
break
}
t.Assert(found, c.Equals, true, c.Commentf("didn't find route"))
// flynn route update --no-sticky
newRoute = app.flynn("route", "update", routeID, "--no-sticky")
t.Assert(newRoute, Succeeds)
r, err := client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Sticky, c.Equals, false)
// flynn route update --no-leader
newRoute = app.flynn("route", "update", routeID, "--no-leader")
t.Assert(newRoute, Succeeds)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Leader, c.Equals, false)
// flynn route update --service
newRoute = app.flynn("route", "update", routeID, "--service", "foo")
t.Assert(newRoute, Succeeds)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Service, c.Equals, "foo")
t.Assert(r.Sticky, c.Equals, false)
// flynn route update --sticky
newRoute = app.flynn("route", "update", routeID, "--sticky")
t.Assert(newRoute, Succeeds)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Sticky, c.Equals, true)
t.Assert(r.Service, c.Equals, "foo")
// flynn route update --leader
newRoute = app.flynn("route", "update", routeID, "--leader")
t.Assert(newRoute, Succeeds)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Leader, c.Equals, true)
t.Assert(r.Service, c.Equals, "foo")
// flynn route add domain path
pathRoute := app.flynn("route", "add", "http", route+"/path/")
t.Assert(pathRoute, Succeeds)
pathRouteID := strings.TrimSpace(pathRoute.Output)
assertRouteContains(pathRouteID, true)
// flynn route add domain path duplicate
dupRoute = app.flynn("route", "add", "http", route+"/path/")
t.Assert(dupRoute, c.Not(Succeeds))
t.Assert(dupRoute.Output, c.Equals, "conflict: Duplicate route\n")
// flynn route add domain path without trailing should correct to trailing
noTrailingRoute := app.flynn("route", "add", "http", route+"/path2")
t.Assert(noTrailingRoute, Succeeds)
noTrailingRouteID := strings.TrimSpace(noTrailingRoute.Output)
assertRouteContains(noTrailingRouteID, true)
// flynn route should show the corrected trailing path
assertRouteContains("/path2/", true)
// flynn route remove should fail because of dependent route
delFail := app.flynn("route", "remove", routeID)
t.Assert(delFail, c.Not(Succeeds))
// But removing the dependent route and then the default route should work
t.Assert(app.flynn("route", "remove", pathRouteID), Succeeds)
assertRouteContains(pathRouteID, false)
t.Assert(app.flynn("route", "remove", noTrailingRouteID), Succeeds)
assertRouteContains(noTrailingRouteID, false)
t.Assert(app.flynn("route", "remove", routeID), Succeeds)
assertRouteContains(routeID, false)
// flynn route add tcp
tcpRoute := app.flynn("route", "add", "tcp")
t.Assert(tcpRoute, Succeeds)
routeID = strings.Split(tcpRoute.Output, " ")[0]
assertRouteContains(routeID, true)
// flynn route add tcp --port
portRoute := app.flynn("route", "add", "tcp", "--port", "9999")
t.Assert(portRoute, Succeeds)
routeID = strings.Split(portRoute.Output, " ")[0]
port := strings.Split(portRoute.Output, " ")[4]
t.Assert(port, c.Equals, "9999\n")
assertRouteContains(routeID, true)
// flynn route update --service
portRoute = app.flynn("route", "update", routeID, "--service", "foo")
t.Assert(portRoute, Succeeds)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Service, c.Equals, "foo")
// flynn route remove
t.Assert(app.flynn("route", "remove", routeID), Succeeds)
assertRouteContains(routeID, false)
writeTemp := func(data, prefix string) (string, error) {
f, err := ioutil.TempFile(os.TempDir(), fmt.Sprintf("flynn-test-%s", prefix))
t.Assert(err, c.IsNil)
_, err = f.WriteString(data)
t.Assert(err, c.IsNil)
stat, err := f.Stat()
t.Assert(err, c.IsNil)
return filepath.Join(os.TempDir(), stat.Name()), nil
}
// flynn route add http with tls cert
cert, err := tlscert.Generate([]string{"example.com"})
t.Assert(err, c.IsNil)
certPath, err := writeTemp(cert.Cert, "tls-cert")
t.Assert(err, c.IsNil)
keyPath, err := writeTemp(cert.PrivateKey, "tls-key")
t.Assert(err, c.IsNil)
certRoute := app.flynn("route", "add", "http", "--tls-cert", certPath, "--tls-key", keyPath, "example.com")
t.Assert(certRoute, Succeeds)
routeID = strings.TrimSpace(certRoute.Output)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Domain, c.Equals, "example.com")
t.Assert(r.Certificate, c.NotNil)
t.Assert(r.Certificate.Cert, c.Equals, strings.Trim(cert.Cert, "\n"))
t.Assert(r.Certificate.Key, c.Equals, strings.Trim(cert.PrivateKey, "\n"))
// flynn route update tls cert
cert, err = tlscert.Generate([]string{"example.com"})
t.Assert(err, c.IsNil)
certPath, err = writeTemp(cert.Cert, "tls-cert")
t.Assert(err, c.IsNil)
keyPath, err = writeTemp(cert.PrivateKey, "tls-key")
t.Assert(err, c.IsNil)
certRoute = app.flynn("route", "update", routeID, "--tls-cert", certPath, "--tls-key", keyPath)
t.Assert(certRoute, Succeeds)
r, err = client.GetRoute(app.id, routeID)
t.Assert(err, c.IsNil)
t.Assert(r.Domain, c.Equals, "example.com")
t.Assert(r.Certificate, c.NotNil)
t.Assert(r.Certificate.Cert, c.Equals, strings.Trim(cert.Cert, "\n"))
t.Assert(r.Certificate.Key, c.Equals, strings.Trim(cert.PrivateKey, "\n"))
// flynn route remove
t.Assert(app.flynn("route", "remove", routeID), Succeeds)
assertRouteContains(routeID, false)
}
func (s *CLISuite) TestProvider(t *c.C) {
t.Assert(s.flynn(t, "provider"), SuccessfulOutputContains, "postgres")
// flynn provider add
testProvider := "test-provider" + random.String(8)
testProviderUrl := "http://testprovider.discoverd"
cmd := s.flynn(t, "provider", "add", testProvider, testProviderUrl)
t.Assert(cmd, Outputs, fmt.Sprintf("Created provider %s.\n", testProvider))
t.Assert(s.flynn(t, "provider"), SuccessfulOutputContains, testProvider)
}
func (s *CLISuite) TestResource(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
matchExp := fmt.Sprintf("Created resource %s and release %s.", UUIDRegex, UUIDRegex)
t.Assert(app.flynn("resource", "add", "postgres").Output, Matches, matchExp)
res, err := s.controllerClient(t).AppResourceList(app.name)
t.Assert(err, c.IsNil)
t.Assert(res, c.HasLen, 1)
// the env variables should be set
t.Assert(app.sh("test -n $FLYNN_POSTGRES"), Succeeds)
t.Assert(app.sh("test -n $PGUSER"), Succeeds)
t.Assert(app.sh("test -n $PGPASSWORD"), Succeeds)
t.Assert(app.sh("test -n $PGDATABASE"), Succeeds)
}
func (s *CLISuite) TestResourceList(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("resource", "add", "postgres"), Succeeds)
t.Assert(app.flynn("resource").Output, Matches, `postgres`)
}
func (s *CLISuite) TestResourceRemove(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
add := app.flynn("resource", "add", "postgres")
t.Assert(add, Succeeds)
t.Assert(app.flynn("resource").Output, Matches, "postgres")
t.Assert(app.flynn("env").Output, Matches, "FLYNN_POSTGRES")
id := strings.Split(add.Output, " ")[2]
// change one of the env vars provided by the resource
t.Assert(app.flynn("env", "set", "PGUSER=testuser"), Succeeds)
remove := app.flynn("resource", "remove", "postgres", id)
t.Assert(remove, Succeeds)
t.Assert(app.flynn("resource").Output, c.Not(Matches), "postgres")
// test that unmodified vars are removed
t.Assert(app.flynn("env").Output, c.Not(Matches), "FLYNN_POSTGRES")
// but that modifed ones are retained
t.Assert(app.flynn("env", "get", "PGUSER").Output, Matches, "testuser")
}
func (s *CLISuite) TestLog(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("run", "-d", "echo", "hello", "world"), Succeeds)
app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})
t.Assert(app.flynn("log", "--raw-output"), Outputs, "hello world\n")
}
func (s *CLISuite) TestLogFilter(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
for i := 0; i < 2; i++ {
t.Assert(app.flynn("scale", "crasher=2"), Succeeds)
t.Assert(app.flynn("scale", "crasher=0"), Succeeds)
}
t.Assert(app.flynn("run", "-d", "echo", "hello", "world"), Succeeds)
jobID := app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})
tests := []struct {
args []string
expected string
}{
{
args: []string{"-j", jobID, "--raw-output"},
expected: "hello world\n",
},
{
args: []string{"-t", "", "--raw-output"},
expected: "hello world\n",
},
{
args: []string{"-t", "crasher", "--raw-output", "-n", "1"},
expected: "I like to crash\n",
},
}
for _, test := range tests {
args := append([]string{"log"}, test.args...)
t.Assert(app.flynn(args...), Outputs, test.expected)
}
}
func (s *CLISuite) TestLogStderr(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("run", "-d", "sh", "-c", "echo hello && echo world >&2"), Succeeds)
app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})
runLog := func(split bool) (stdout, stderr bytes.Buffer) {
args := []string{"log", "--raw-output"}
if split {
args = append(args, "--split-stderr")
}
log := app.flynnCmd(args...)
log.Stdout = &stdout
log.Stderr = &stderr
t.Assert(log.Run(), c.IsNil, c.Commentf("STDERR = %q", stderr.String()))
return
}
stdout, stderr := runLog(false)
// non-deterministic order
t.Assert(stdout.String(), Matches, "hello")
t.Assert(stdout.String(), Matches, "world")
t.Assert(stderr.String(), c.Equals, "")
stdout, stderr = runLog(true)
t.Assert(stdout.String(), c.Equals, "hello\n")
t.Assert(stderr.String(), c.Equals, "world\n")
}
func (s *CLISuite) TestLogFollow(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("run", "-d", "sh", "-c", "sleep 2 && for i in 1 2 3 4 5; do echo \"line $i\"; done"), Succeeds)
app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1}})
log := app.flynnCmd("log", "--raw-output", "--follow")
logStdout, err := log.StdoutPipe()
t.Assert(err, c.IsNil)
t.Assert(log.Start(), c.IsNil)
defer log.Process.Kill()
// use a goroutine + channel so we can timeout the stdout read
type line struct {
text string
err error
}
lines := make(chan line)
go func() {
buf := bufio.NewReader(logStdout)
for {
text, err := buf.ReadBytes('\n')
if err != nil {
if err != io.EOF {
lines <- line{"", err}
}
break
}
lines <- line{string(text), nil}
}
}()
readline := func() (string, error) {
select {
case l := <-lines:
if l.err != nil {
return "", fmt.Errorf("could not read log output: %s", l.err)
}
return l.text, nil
case <-time.After(5 * time.Second):
return "", errors.New("timed out waiting for log output")
}
}
var stderr bytes.Buffer
for i := 1; i < 6; i++ {
expected := fmt.Sprintf("line %d\n", i)
actual, err := readline()
if err != nil {
t.Logf("STDERR = %q", stderr.String())
}
t.Assert(err, c.IsNil)
t.Assert(actual, c.Equals, expected)
}
}
func (s *CLISuite) TestCluster(t *c.C) {
// use a custom flynnrc to avoid disrupting other tests
file, err := ioutil.TempFile("", "")
t.Assert(err, c.IsNil)
flynn := func(cmdArgs ...string) *CmdResult {
cmd := exec.Command(args.CLI, cmdArgs...)
cmd.Env = flynnEnv(file.Name())
return run(t, cmd)
}
// cluster add
t.Assert(flynn("cluster", "add", "--no-git", "foo", "https://controller.foo.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
t.Assert(flynn("cluster"), SuccessfulOutputContains, "foo")
t.Assert(flynn("cluster", "add", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
t.Assert(flynn("cluster", "add", "-f", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
t.Assert(flynn("cluster", "add", "-f", "-d", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
// make sure the cluster is present in the config
cfg, err := config.ReadFile(file.Name())
t.Assert(err, c.IsNil)
t.Assert(cfg.Default, c.Equals, "test")
t.Assert(cfg.Clusters, c.HasLen, 2)
t.Assert(cfg.Clusters[0].Name, c.Equals, "foo")
t.Assert(cfg.Clusters[1].Name, c.Equals, "test")
// overwriting with a conflicting name and a different conflicting url should error
conflict := flynn("cluster", "add", "-f", "--no-git", "foo", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600")
t.Assert(conflict, c.Not(Succeeds))
t.Assert(conflict, OutputContains, "conflict with")
// overwriting (without --force) should not work
t.Assert(flynn("cluster", "add", "test", "foo", "bar"), c.Not(Succeeds))
t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
t.Assert(flynn("cluster"), SuccessfulOutputContains, "(default)")
// change default cluster
t.Assert(flynn("cluster", "default", "test"), SuccessfulOutputContains, "\"test\" is now the default cluster.")
t.Assert(flynn("cluster", "default", "missing"), OutputContains, "Cluster \"missing\" does not exist and cannot be set as default.")
t.Assert(flynn("cluster", "default"), SuccessfulOutputContains, "test")
cfg, err = config.ReadFile(file.Name())
t.Assert(err, c.IsNil)
t.Assert(cfg.Default, c.Equals, "test")
// cluster remove
t.Assert(flynn("cluster", "remove", "test"), Succeeds)
t.Assert(flynn("cluster"), c.Not(SuccessfulOutputContains), "test")
cfg, err = config.ReadFile(file.Name())
t.Assert(err, c.IsNil)
t.Assert(cfg.Clusters, c.HasLen, 1)
t.Assert(flynn("cluster", "remove", "foo"), Succeeds)
// cluster remove default and set next available
t.Assert(flynn("cluster", "add", "-d", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
t.Assert(flynn("cluster", "add", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "next", "https://controller.next.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
t.Assert(flynn("cluster", "remove", "test"), SuccessfulOutputContains, "Cluster \"test\" removed and \"next\" is now the default cluster.")
t.Assert(flynn("cluster", "default"), SuccessfulOutputContains, "next")
// check GitURL is configured correctly
cluster := s.clusterConf(t)
t.Assert(flynn("cluster", "add", "--tls-pin", cluster.TLSPin, "baz", cluster.ControllerURL, cluster.Key), Succeeds)
cfg, err = config.ReadFile(file.Name())
t.Assert(err, c.IsNil)
domain := strings.TrimPrefix(cluster.ControllerURL, "https://controller.")
t.Assert(cfg.Clusters[1].Name, c.Equals, "baz")
t.Assert(cfg.Clusters[1].GitURL, c.Equals, "https://git."+domain)
}
func (s *CLISuite) TestRelease(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
release := &ct.Release{
ArtifactIDs: []string{s.createArtifact(t, "test-apps").ID},
Env: map[string]string{"GLOBAL": "FOO"},
Processes: map[string]ct.ProcessType{
"echoer": {
Args: []string{"/bin/echoer"},
Env: map[string]string{"ECHOER_ONLY": "BAR"},
},
"env": {
Args: []string{"sh", "-c", "env; while true; do sleep 60; done"},
Env: map[string]string{"ENV_ONLY": "BAZ"},
},
},
}
client := s.controllerClient(t)
t.Assert(client.CreateRelease(app.id, release), c.IsNil)
t.Assert(client.SetAppRelease(app.id, release.ID), c.IsNil)
updateFile := filepath.Join(t.MkDir(), "updates.json")
updateJSON := []byte(`{
"processes": {
"echoer": {
"env": {"ECHOER_ONLY": "BAT"}
},
"env": {
"env": {"ENV_UPDATE": "QUUX"}
}
}
}`)
t.Assert(ioutil.WriteFile(updateFile, updateJSON, 0644), c.IsNil)
t.Assert(app.flynn("release", "update", updateFile), Succeeds)
resultJSON := []byte(`{
"env": {"GLOBAL": "FOO"},
"processes": {
"echoer": {
"args": ["/bin/echoer"],
"env": {
"ECHOER_ONLY": "BAT"
}
},
"env": {
"args": ["sh", "-c", "env; while true; do sleep 60; done"],
"env": {
"ENV_ONLY": "BAZ",
"ENV_UPDATE": "QUUX"
}
}
}
}`)
result := &ct.Release{}
t.Assert(json.Unmarshal(resultJSON, &result), c.IsNil)
for typ, proc := range result.Processes {
resource.SetDefaults(&proc.Resources)
result.Processes[typ] = proc
}
release, err := s.controller.GetAppRelease(app.name)
t.Assert(err, c.IsNil)
t.Assert(release.Env, c.DeepEquals, result.Env)
t.Assert(release.Processes, c.DeepEquals, result.Processes)
scaleCmd := app.flynn("scale", "--no-wait", "env=1", "foo=1")
t.Assert(scaleCmd, c.Not(Succeeds))
t.Assert(scaleCmd, OutputContains, "ERROR: unknown process types: \"foo\"")
// create a job watcher for the new release
watcher, err := client.WatchJobEvents(app.name, release.ID)
t.Assert(err, c.IsNil)
defer watcher.Close()
scaleCmd = app.flynn("scale", "--no-wait", "env=1")
t.Assert(watcher.WaitFor(ct.JobEvents{"env": {ct.JobStateUp: 1}}, scaleTimeout, nil), c.IsNil)
envLog := app.flynn("log")
t.Assert(envLog, Succeeds)
t.Assert(envLog, SuccessfulOutputContains, "GLOBAL=FOO")
t.Assert(envLog, SuccessfulOutputContains, "ENV_ONLY=BAZ")
t.Assert(envLog, SuccessfulOutputContains, "ENV_UPDATE=QUUX")
t.Assert(envLog, c.Not(SuccessfulOutputContains), "ECHOER_ONLY=BAR")
t.Assert(envLog, c.Not(SuccessfulOutputContains), "ECHOER_UPDATE=BAT")
t.Assert(scaleCmd, Succeeds)
}
func (s *CLISuite) TestLimits(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
t.Assert(app.flynn("limit", "set", "resources", "memory=512MB", "max_fd=12k", "cpu=2000"), Succeeds)
release, err := s.controller.GetAppRelease(app.name)
t.Assert(err, c.IsNil)
proc, ok := release.Processes["resources"]
if !ok {
t.Fatal("missing resources process type")
}
r := proc.Resources
t.Assert(*r[resource.TypeMemory].Limit, c.Equals, int64(536870912))
t.Assert(*r[resource.TypeCPU].Limit, c.Equals, int64(2000))
t.Assert(*r[resource.TypeMaxFD].Limit, c.Equals, int64(12000))
cmd := app.flynn("limit", "-t", "resources")
t.Assert(cmd, Succeeds)
t.Assert(cmd, OutputContains, "memory=512MB")
t.Assert(cmd, OutputContains, "cpu=2000")
t.Assert(cmd, OutputContains, "max_fd=12000")
}
func (s *CLISuite) TestRunLimits(t *c.C) {
app := s.newCliTestApp(t)
defer app.cleanup()
cmd := app.flynn("run", "sh", "-c", resourceCmd)
t.Assert(cmd, Succeeds)
defaults := resource.Defaults()
limits := strings.Split(strings.TrimSpace(cmd.Output), "\n")
t.Assert(limits, c.HasLen, 3)
t.Assert(limits[0], c.Equals, strconv.FormatInt(*defaults[resource.TypeMemory].Limit, 10))
t.Assert(limits[1], c.Equals, strconv.FormatInt(1024, 10))
t.Assert(limits[2], c.Equals, strconv.FormatInt(*defaults[resource.TypeMaxFD].Limit, 10))
cmd = app.flynn("run", "--limits", "memory=200MB,max_fd=9000", "sh", "-c", resourceCmd)
t.Assert(cmd, Succeeds)
limits = strings.Split(strings.TrimSpace(cmd.Output), "\n")
t.Assert(limits, c.HasLen, 3)
t.Assert(limits[0], c.Equals, strconv.FormatInt(200*units.MiB, 10))
t.Assert(limits[1], c.Equals, strconv.FormatInt(1024, 10))
t.Assert(limits[2], c.Equals, strconv.FormatInt(9000, 10))
}
func assertExportContains(t *c.C, file string, paths ...string) {
cmd := run(t, exec.Command("tar", "--list", "--file="+file, "--strip=1", "--show-transformed"))
t.Assert(cmd, SuccessfulOutputContains, strings.Join(paths, "\n")+"\n")
}
func (s *CLISuite) TestExportImport(t *c.C) {
srcApp := "app-export" + random.String(8)
dstApp := "app-import" + random.String(8)
// create app
r := s.newGitRepo(t, "http")
t.Assert(r.flynn("create", srcApp), Succeeds)
// exporting the app without a release should work
file := filepath.Join(t.MkDir(), "export.tar")
t.Assert(r.flynn("export", "-f", file), Succeeds)
assertExportContains(t, file, "app.json", "routes.json")
// exporting the app with an artifact-less release should work
t.Assert(r.flynn("env", "set", "FOO=BAR"), Succeeds)
t.Assert(r.flynn("export", "-f", file), Succeeds)
assertExportContains(t, file, "app.json", "routes.json", "release.json")
// release the app and provision some dbs
t.Assert(r.git("push", "flynn", "master"), Succeeds)
t.Assert(r.flynn("resource", "add", "postgres"), Succeeds)
t.Assert(r.flynn("pg", "psql", "--", "-c",
"CREATE table foos (data text); INSERT INTO foos (data) VALUES ('foobar')"), Succeeds)
t.Assert(r.flynn("resource", "add", "mysql"), Succeeds)
t.Assert(r.flynn("mysql", "console", "--", "-e",
"CREATE TABLE foos (data TEXT); INSERT INTO foos (data) VALUES ('foobar')"), Succeeds)
// grab the slug details
client := s.controllerClient(t)
release, err := client.GetAppRelease(srcApp)
t.Assert(err, c.IsNil)
artifact, err := client.GetArtifact(release.ArtifactIDs[1])
t.Assert(err, c.IsNil)
slugLayer := artifact.Manifest().Rootfs[0].Layers[0]
// export app
t.Assert(r.flynn("export", "-f", file), Succeeds)
assertExportContains(t, file,
"app.json", "routes.json", "release.json", "artifacts.json",