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Initialize activateWait for plugins activated by json spec

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Signed-off-by: Madhu Venugopal <madhu@docker.com>
This commit is contained in:
Madhu Venugopal 2016-04-20 05:38:34 -07:00
parent ab6b82b856
commit de806a672b
2 changed files with 71 additions and 39 deletions
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102
integration-cli/docker_cli_external_graphdriver_unix_test.go
View file

@ -16,6 +16,7 @@ import (
"github.com/docker/docker/daemon/graphdriver"
"github.com/docker/docker/daemon/graphdriver/vfs"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/plugins"
"github.com/go-check/check"
)
@ -27,9 +28,10 @@ func init() {
type DockerExternalGraphdriverSuite struct {
server *httptest.Server
jserver *httptest.Server
ds *DockerSuite
d *Daemon
ec *graphEventsCounter
ec map[string]*graphEventsCounter
}
type graphEventsCounter struct {
@ -51,7 +53,6 @@ type graphEventsCounter struct {
func (s *DockerExternalGraphdriverSuite) SetUpTest(c *check.C) {
s.d = NewDaemon(c)
s.ec = &graphEventsCounter{}
}
func (s *DockerExternalGraphdriverSuite) TearDownTest(c *check.C) {
@ -60,9 +61,30 @@ func (s *DockerExternalGraphdriverSuite) TearDownTest(c *check.C) {
}
func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
s.ec = make(map[string]*graphEventsCounter)
s.setUpPluginViaSpecFile(c)
s.setUpPluginViaJSONFile(c)
}
func (s *DockerExternalGraphdriverSuite) setUpPluginViaSpecFile(c *check.C) {
mux := http.NewServeMux()
s.server = httptest.NewServer(mux)
s.setUpPlugin(c, "test-external-graph-driver", "spec", mux, []byte(s.server.URL))
}
func (s *DockerExternalGraphdriverSuite) setUpPluginViaJSONFile(c *check.C) {
mux := http.NewServeMux()
s.jserver = httptest.NewServer(mux)
p := plugins.Plugin{Name: "json-external-graph-driver", Addr: s.jserver.URL}
b, err := json.Marshal(p)
c.Assert(err, check.IsNil)
s.setUpPlugin(c, "json-external-graph-driver", "json", mux, b)
}
func (s *DockerExternalGraphdriverSuite) setUpPlugin(c *check.C, name string, ext string, mux *http.ServeMux, b []byte) {
type graphDriverRequest struct {
ID string `json:",omitempty"`
Parent string `json:",omitempty"`
@ -100,24 +122,25 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
return nil
}
base, err := ioutil.TempDir("", "external-graph-test")
base, err := ioutil.TempDir("", name)
c.Assert(err, check.IsNil)
vfsProto, err := vfs.Init(base, []string{}, nil, nil)
c.Assert(err, check.IsNil, check.Commentf("error initializing graph driver"))
driver := graphdriver.NewNaiveDiffDriver(vfsProto, nil, nil)
s.ec[ext] = &graphEventsCounter{}
mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
s.ec.activations++
s.ec[ext].activations++
respond(w, `{"Implements": ["GraphDriver"]}`)
})
mux.HandleFunc("/GraphDriver.Init", func(w http.ResponseWriter, r *http.Request) {
s.ec.init++
s.ec[ext].init++
respond(w, "{}")
})
mux.HandleFunc("/GraphDriver.CreateReadWrite", func(w http.ResponseWriter, r *http.Request) {
s.ec.creations++
s.ec[ext].creations++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -131,7 +154,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Create", func(w http.ResponseWriter, r *http.Request) {
s.ec.creations++
s.ec[ext].creations++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -145,7 +168,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Remove", func(w http.ResponseWriter, r *http.Request) {
s.ec.removals++
s.ec[ext].removals++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -160,7 +183,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Get", func(w http.ResponseWriter, r *http.Request) {
s.ec.gets++
s.ec[ext].gets++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -176,7 +199,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Put", func(w http.ResponseWriter, r *http.Request) {
s.ec.puts++
s.ec[ext].puts++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -191,7 +214,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Exists", func(w http.ResponseWriter, r *http.Request) {
s.ec.exists++
s.ec[ext].exists++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -201,12 +224,12 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Status", func(w http.ResponseWriter, r *http.Request) {
s.ec.stats++
s.ec[ext].stats++
respond(w, &graphDriverResponse{Status: driver.Status()})
})
mux.HandleFunc("/GraphDriver.Cleanup", func(w http.ResponseWriter, r *http.Request) {
s.ec.cleanups++
s.ec[ext].cleanups++
err := driver.Cleanup()
if err != nil {
respond(w, err)
@ -216,7 +239,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.GetMetadata", func(w http.ResponseWriter, r *http.Request) {
s.ec.metadata++
s.ec[ext].metadata++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -232,7 +255,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Diff", func(w http.ResponseWriter, r *http.Request) {
s.ec.diff++
s.ec[ext].diff++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -248,7 +271,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.Changes", func(w http.ResponseWriter, r *http.Request) {
s.ec.changes++
s.ec[ext].changes++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
return
@ -263,7 +286,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.ApplyDiff", func(w http.ResponseWriter, r *http.Request) {
s.ec.applydiff++
s.ec[ext].applydiff++
var diff archive.Reader = r.Body
defer r.Body.Close()
@ -283,7 +306,7 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
})
mux.HandleFunc("/GraphDriver.DiffSize", func(w http.ResponseWriter, r *http.Request) {
s.ec.diffsize++
s.ec[ext].diffsize++
var req graphDriverRequest
if err := decReq(r.Body, &req, w); err != nil {
@ -301,19 +324,26 @@ func (s *DockerExternalGraphdriverSuite) SetUpSuite(c *check.C) {
err = os.MkdirAll("/etc/docker/plugins", 0755)
c.Assert(err, check.IsNil, check.Commentf("error creating /etc/docker/plugins"))
err = ioutil.WriteFile("/etc/docker/plugins/test-external-graph-driver.spec", []byte(s.server.URL), 0644)
c.Assert(err, check.IsNil, check.Commentf("error writing to /etc/docker/plugins/test-external-graph-driver.spec"))
specFile := "/etc/docker/plugins/" + name + "." + ext
err = ioutil.WriteFile(specFile, b, 0644)
c.Assert(err, check.IsNil, check.Commentf("error writing to %s", specFile))
}
func (s *DockerExternalGraphdriverSuite) TearDownSuite(c *check.C) {
s.server.Close()
s.jserver.Close()
err := os.RemoveAll("/etc/docker/plugins")
c.Assert(err, check.IsNil, check.Commentf("error removing /etc/docker/plugins"))
}
func (s *DockerExternalGraphdriverSuite) TestExternalGraphDriver(c *check.C) {
if err := s.d.StartWithBusybox("-s", "test-external-graph-driver"); err != nil {
s.testExternalGraphDriver("test-external-graph-driver", "spec", c)
s.testExternalGraphDriver("json-external-graph-driver", "json", c)
}
func (s *DockerExternalGraphdriverSuite) testExternalGraphDriver(name string, ext string, c *check.C) {
if err := s.d.StartWithBusybox("-s", name); err != nil {
b, _ := ioutil.ReadFile(s.d.LogFileName())
c.Assert(err, check.IsNil, check.Commentf("\n%s", string(b)))
}
@ -321,11 +351,11 @@ func (s *DockerExternalGraphdriverSuite) TestExternalGraphDriver(c *check.C) {
out, err := s.d.Cmd("run", "-d", "--name=graphtest", "busybox", "sh", "-c", "echo hello > /hello")
c.Assert(err, check.IsNil, check.Commentf(out))
err = s.d.Restart("-s", "test-external-graph-driver")
err = s.d.Restart("-s", name)
out, err = s.d.Cmd("inspect", "--format='{{.GraphDriver.Name}}'", "graphtest")
c.Assert(err, check.IsNil, check.Commentf(out))
c.Assert(strings.TrimSpace(out), check.Equals, "test-external-graph-driver")
c.Assert(strings.TrimSpace(out), check.Equals, name)
out, err = s.d.Cmd("diff", "graphtest")
c.Assert(err, check.IsNil, check.Commentf(out))
@ -342,19 +372,19 @@ func (s *DockerExternalGraphdriverSuite) TestExternalGraphDriver(c *check.C) {
// Don't check s.ec.exists, because the daemon no longer calls the
// Exists function.
c.Assert(s.ec.activations, check.Equals, 2)
c.Assert(s.ec.init, check.Equals, 2)
c.Assert(s.ec.creations >= 1, check.Equals, true)
c.Assert(s.ec.removals >= 1, check.Equals, true)
c.Assert(s.ec.gets >= 1, check.Equals, true)
c.Assert(s.ec.puts >= 1, check.Equals, true)
c.Assert(s.ec.stats, check.Equals, 3)
c.Assert(s.ec.cleanups, check.Equals, 2)
c.Assert(s.ec.applydiff >= 1, check.Equals, true)
c.Assert(s.ec.changes, check.Equals, 1)
c.Assert(s.ec.diffsize, check.Equals, 0)
c.Assert(s.ec.diff, check.Equals, 0)
c.Assert(s.ec.metadata, check.Equals, 1)
c.Assert(s.ec[ext].activations, check.Equals, 2)
c.Assert(s.ec[ext].init, check.Equals, 2)
c.Assert(s.ec[ext].creations >= 1, check.Equals, true)
c.Assert(s.ec[ext].removals >= 1, check.Equals, true)
c.Assert(s.ec[ext].gets >= 1, check.Equals, true)
c.Assert(s.ec[ext].puts >= 1, check.Equals, true)
c.Assert(s.ec[ext].stats, check.Equals, 3)
c.Assert(s.ec[ext].cleanups, check.Equals, 2)
c.Assert(s.ec[ext].applydiff >= 1, check.Equals, true)
c.Assert(s.ec[ext].changes, check.Equals, 1)
c.Assert(s.ec[ext].diffsize, check.Equals, 0)
c.Assert(s.ec[ext].diff, check.Equals, 0)
c.Assert(s.ec[ext].metadata, check.Equals, 1)
}
func (s *DockerExternalGraphdriverSuite) TestExternalGraphDriverPull(c *check.C) {

2
pkg/plugins/discovery.go
View file

@ -9,6 +9,7 @@ import (
"os"
"path/filepath"
"strings"
"sync"
)
var (
@ -118,6 +119,7 @@ func readPluginJSONInfo(name, path string) (*Plugin, error) {
if len(p.TLSConfig.CAFile) == 0 {
p.TLSConfig.InsecureSkipVerify = true
}
p.activateWait = sync.NewCond(&sync.Mutex{})
return &p, nil
}