func TestNewClusterEntryFromId(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Patch dbfilename so that it is restored at the end of the tests
defer tests.Patch(&dbfilename, tmpfile).Restore()
// Create the app
app := NewApp()
defer app.Close()
// Create a cluster
c := NewClusterEntryFromRequest()
c.NodeAdd("node_abc")
c.NodeAdd("node_def")
c.VolumeAdd("vol_abc")
// Save element in database
err := app.db.Update(func(tx *bolt.Tx) error {
return c.Save(tx)
})
tests.Assert(t, err == nil)
var cluster *ClusterEntry
err = app.db.View(func(tx *bolt.Tx) error {
var err error
cluster, err = NewClusterEntryFromId(tx, c.Info.Id)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, cluster.Info.Id == c.Info.Id)
tests.Assert(t, len(c.Info.Nodes) == 2)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "node_abc"))
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "node_def"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "vol_abc"))
}
func TestVolumeInfo(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Create the app
app := NewTestApp(tmpfile)
defer app.Close()
router := mux.NewRouter()
app.SetRoutes(router)
// Setup the server
ts := httptest.NewServer(router)
defer ts.Close()
// Setup database
err := setupSampleDbWithTopology(app,
1, // clusters
10, // nodes_per_cluster
10, // devices_per_node,
5*TB, // disksize)
)
tests.Assert(t, err == nil)
// Create a volume
req := &VolumeCreateRequest{}
req.Size = 100
req.Durability.Type = DURABILITY_STRING_EC
v := NewVolumeEntryFromRequest(req)
tests.Assert(t, v != nil)
err = v.Create(app.db, app.executor, app.allocator)
tests.Assert(t, err == nil)
// Now that we have some data in the database, we can
// make a request for the clutser list
r, err := http.Get(ts.URL + "/volumes/" + v.Info.Id)
tests.Assert(t, r.StatusCode == http.StatusOK)
tests.Assert(t, err == nil)
tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
// Read response
var msg VolumeInfoResponse
err = utils.GetJsonFromResponse(r, &msg)
tests.Assert(t, err == nil)
tests.Assert(t, msg.Id == v.Info.Id)
tests.Assert(t, msg.Cluster == v.Info.Cluster)
tests.Assert(t, msg.Name == v.Info.Name)
tests.Assert(t, msg.Size == v.Info.Size)
tests.Assert(t, reflect.DeepEqual(msg.Durability, v.Info.Durability))
tests.Assert(t, reflect.DeepEqual(msg.Snapshot, v.Info.Snapshot))
for _, brick := range msg.Bricks {
tests.Assert(t, utils.SortedStringHas(v.Bricks, brick.Id))
}
}
func TestNodeEntryAddDeleteDevices(t *testing.T) {
n := NewNodeEntry()
tests.Assert(t, len(n.Devices) == 0)
n.DeviceAdd("123")
tests.Assert(t, utils.SortedStringHas(n.Devices, "123"))
tests.Assert(t, len(n.Devices) == 1)
n.DeviceAdd("abc")
tests.Assert(t, utils.SortedStringHas(n.Devices, "123"))
tests.Assert(t, utils.SortedStringHas(n.Devices, "abc"))
tests.Assert(t, len(n.Devices) == 2)
n.DeviceDelete("123")
tests.Assert(t, !utils.SortedStringHas(n.Devices, "123"))
tests.Assert(t, utils.SortedStringHas(n.Devices, "abc"))
tests.Assert(t, len(n.Devices) == 1)
n.DeviceDelete("ccc")
tests.Assert(t, !utils.SortedStringHas(n.Devices, "123"))
tests.Assert(t, utils.SortedStringHas(n.Devices, "abc"))
tests.Assert(t, len(n.Devices) == 1)
}
func TestDeviceEntryAddDeleteBricks(t *testing.T) {
d := NewDeviceEntry()
tests.Assert(t, len(d.Bricks) == 0)
d.BrickAdd("123")
tests.Assert(t, utils.SortedStringHas(d.Bricks, "123"))
tests.Assert(t, len(d.Bricks) == 1)
d.BrickAdd("abc")
tests.Assert(t, utils.SortedStringHas(d.Bricks, "123"))
tests.Assert(t, utils.SortedStringHas(d.Bricks, "abc"))
tests.Assert(t, len(d.Bricks) == 2)
d.BrickDelete("123")
tests.Assert(t, !utils.SortedStringHas(d.Bricks, "123"))
tests.Assert(t, utils.SortedStringHas(d.Bricks, "abc"))
tests.Assert(t, len(d.Bricks) == 1)
d.BrickDelete("ccc")
tests.Assert(t, !utils.SortedStringHas(d.Bricks, "123"))
tests.Assert(t, utils.SortedStringHas(d.Bricks, "abc"))
tests.Assert(t, len(d.Bricks) == 1)
}
func TestVolumeEntryAddDeleteDevices(t *testing.T) {
v := NewVolumeEntry()
tests.Assert(t, len(v.Bricks) == 0)
v.BrickAdd("123")
tests.Assert(t, utils.SortedStringHas(v.Bricks, "123"))
tests.Assert(t, len(v.Bricks) == 1)
v.BrickAdd("abc")
tests.Assert(t, utils.SortedStringHas(v.Bricks, "123"))
tests.Assert(t, utils.SortedStringHas(v.Bricks, "abc"))
tests.Assert(t, len(v.Bricks) == 2)
v.BrickDelete("123")
tests.Assert(t, !utils.SortedStringHas(v.Bricks, "123"))
tests.Assert(t, utils.SortedStringHas(v.Bricks, "abc"))
tests.Assert(t, len(v.Bricks) == 1)
v.BrickDelete("ccc")
tests.Assert(t, !utils.SortedStringHas(v.Bricks, "123"))
tests.Assert(t, utils.SortedStringHas(v.Bricks, "abc"))
tests.Assert(t, len(v.Bricks) == 1)
}
func TestNodeAddDelete(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Patch dbfilename so that it is restored at the end of the tests
defer tests.Patch(&dbfilename, tmpfile).Restore()
// Create the app
app := NewApp()
defer app.Close()
router := mux.NewRouter()
app.SetRoutes(router)
// Setup the server
ts := httptest.NewServer(router)
defer ts.Close()
// ClusterCreate JSON Request
request := []byte(`{
}`)
// Post nothing
r, err := http.Post(ts.URL+"/clusters", "application/json", bytes.NewBuffer(request))
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusCreated)
tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
// Read cluster information
var clusterinfo ClusterInfoResponse
err = utils.GetJsonFromResponse(r, &clusterinfo)
tests.Assert(t, err == nil)
// Create node on this cluster
request = []byte(fmt.Sprintf(`{
"cluster" : "%v",
"hostnames" : {
"storage" : [ "storage.hostname.com" ],
"manage" : [ "manage.hostname.com" ]
},
"zone" : 1
}`, clusterinfo.Id))
// Post nothing
r, err = http.Post(ts.URL+"/nodes", "application/json", bytes.NewBuffer(request))
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusAccepted)
location, err := r.Location()
tests.Assert(t, err == nil)
// Query queue until finished
var node NodeInfoResponse
for {
r, err = http.Get(location.String())
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusOK)
if r.ContentLength <= 0 {
time.Sleep(time.Millisecond * 10)
continue
} else {
// Should have node information here
tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
err = utils.GetJsonFromResponse(r, &node)
tests.Assert(t, err == nil)
break
}
}
tests.Assert(t, len(node.Id) > 0)
tests.Assert(t, len(node.Hostnames.Manage) == 1)
tests.Assert(t, len(node.Hostnames.Storage) == 1)
tests.Assert(t, node.Hostnames.Manage[0] == "manage.hostname.com")
tests.Assert(t, node.Hostnames.Storage[0] == "storage.hostname.com")
tests.Assert(t, node.Zone == 1)
tests.Assert(t, node.ClusterId == clusterinfo.Id)
tests.Assert(t, len(node.DevicesInfo) == 0)
// Check Cluster has node
r, err = http.Get(ts.URL + "/clusters/" + clusterinfo.Id)
tests.Assert(t, r.StatusCode == http.StatusOK)
tests.Assert(t, err == nil)
tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
err = utils.GetJsonFromResponse(r, &clusterinfo)
tests.Assert(t, len(clusterinfo.Nodes) == 1)
tests.Assert(t, clusterinfo.Nodes[0] == node.Id)
// Check the data is in the database correctly
var entry *NodeEntry
err = app.db.View(func(tx *bolt.Tx) error {
entry, err = NewNodeEntryFromId(tx, node.Id)
return err
})
tests.Assert(t, err == nil)
tests.Assert(t, entry != nil)
tests.Assert(t, entry.Info.Id == node.Id)
tests.Assert(t, len(entry.Info.Hostnames.Manage) == 1)
tests.Assert(t, len(entry.Info.Hostnames.Storage) == 1)
tests.Assert(t, entry.Info.Hostnames.Manage[0] == node.Hostnames.Manage[0])
tests.Assert(t, entry.Info.Hostnames.Storage[0] == node.Hostnames.Storage[0])
tests.Assert(t, len(entry.Devices) == 0)
// Add some devices to check if delete conflict works
err = app.db.Update(func(tx *bolt.Tx) error {
entry, err = NewNodeEntryFromId(tx, node.Id)
if err != nil {
return err
}
entry.DeviceAdd("123")
entry.DeviceAdd("456")
return entry.Save(tx)
})
tests.Assert(t, err == nil)
// Now delete node and check for conflict
req, err := http.NewRequest("DELETE", ts.URL+"/nodes/"+node.Id, nil)
tests.Assert(t, err == nil)
r, err = http.DefaultClient.Do(req)
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusConflict)
// Check that nothing has changed in the db
var cluster *ClusterEntry
err = app.db.View(func(tx *bolt.Tx) error {
entry, err = NewNodeEntryFromId(tx, node.Id)
if err != nil {
return err
}
cluster, err = NewClusterEntryFromId(tx, entry.Info.ClusterId)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, utils.SortedStringHas(cluster.Info.Nodes, node.Id))
// Node delete the drives
err = app.db.Update(func(tx *bolt.Tx) error {
entry, err = NewNodeEntryFromId(tx, node.Id)
if err != nil {
return err
}
entry.DeviceDelete("123")
entry.DeviceDelete("456")
return entry.Save(tx)
})
tests.Assert(t, err == nil)
// Now delete node
req, err = http.NewRequest("DELETE", ts.URL+"/nodes/"+node.Id, nil)
tests.Assert(t, err == nil)
r, err = http.DefaultClient.Do(req)
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusOK)
// Check db to make sure key is removed
err = app.db.View(func(tx *bolt.Tx) error {
_, err = NewNodeEntryFromId(tx, node.Id)
return err
})
tests.Assert(t, err == ErrNotFound)
// Check the cluster does not have this node id
r, err = http.Get(ts.URL + "/clusters/" + clusterinfo.Id)
tests.Assert(t, r.StatusCode == http.StatusOK)
tests.Assert(t, err == nil)
tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
err = utils.GetJsonFromResponse(r, &clusterinfo)
tests.Assert(t, len(clusterinfo.Nodes) == 0)
}
func (n *NodeEntry) DeviceAdd(id string) {
godbc.Require(!utils.SortedStringHas(n.Devices, id))
n.Devices = append(n.Devices, id)
n.Devices.Sort()
}
func TestClusterEntryAddDeleteElements(t *testing.T) {
c := NewClusterEntry()
c.NodeAdd("123")
tests.Assert(t, len(c.Info.Nodes) == 1)
tests.Assert(t, len(c.Info.Volumes) == 0)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "123"))
c.NodeAdd("456")
tests.Assert(t, len(c.Info.Nodes) == 2)
tests.Assert(t, len(c.Info.Volumes) == 0)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "456"))
c.VolumeAdd("aabb")
tests.Assert(t, len(c.Info.Nodes) == 2)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "456"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "aabb"))
c.NodeDelete("aabb")
tests.Assert(t, len(c.Info.Nodes) == 2)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "456"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "aabb"))
c.NodeDelete("456")
tests.Assert(t, len(c.Info.Nodes) == 1)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "456"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "aabb"))
c.NodeDelete("123")
tests.Assert(t, len(c.Info.Nodes) == 0)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "456"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "aabb"))
c.VolumeDelete("123")
tests.Assert(t, len(c.Info.Nodes) == 0)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "456"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "aabb"))
c.VolumeDelete("aabb")
tests.Assert(t, len(c.Info.Nodes) == 0)
tests.Assert(t, len(c.Info.Volumes) == 0)
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "123"))
tests.Assert(t, !utils.SortedStringHas(c.Info.Nodes, "456"))
tests.Assert(t, !utils.SortedStringHas(c.Info.Volumes, "aabb"))
}
func TestNewClusterEntrySaveDelete(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Create the app
app := NewTestApp(tmpfile)
defer app.Close()
// Create a cluster
c := NewClusterEntryFromRequest()
c.NodeAdd("node_abc")
c.NodeAdd("node_def")
c.VolumeAdd("vol_abc")
// Save element in database
err := app.db.Update(func(tx *bolt.Tx) error {
return c.Save(tx)
})
tests.Assert(t, err == nil)
var cluster *ClusterEntry
err = app.db.View(func(tx *bolt.Tx) error {
var err error
cluster, err = NewClusterEntryFromId(tx, c.Info.Id)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, cluster.Info.Id == c.Info.Id)
tests.Assert(t, len(c.Info.Nodes) == 2)
tests.Assert(t, len(c.Info.Volumes) == 1)
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "node_abc"))
tests.Assert(t, utils.SortedStringHas(c.Info.Nodes, "node_def"))
tests.Assert(t, utils.SortedStringHas(c.Info.Volumes, "vol_abc"))
// Delete entry which has devices
err = app.db.Update(func(tx *bolt.Tx) error {
var err error
cluster, err = NewClusterEntryFromId(tx, c.Info.Id)
if err != nil {
return err
}
err = cluster.Delete(tx)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == ErrConflict)
// Delete devices in cluster
cluster.VolumeDelete("vol_abc")
tests.Assert(t, len(cluster.Info.Volumes) == 0)
tests.Assert(t, len(cluster.Info.Nodes) == 2)
// Save cluster
err = app.db.Update(func(tx *bolt.Tx) error {
return cluster.Save(tx)
})
tests.Assert(t, err == nil)
// Try do delete a cluster which still has nodes
err = app.db.Update(func(tx *bolt.Tx) error {
var err error
cluster, err = NewClusterEntryFromId(tx, c.Info.Id)
if err != nil {
return err
}
err = cluster.Delete(tx)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == ErrConflict)
// Delete cluster
cluster.NodeDelete("node_abc")
cluster.NodeDelete("node_def")
tests.Assert(t, len(cluster.Info.Nodes) == 0)
// Save cluster
err = app.db.Update(func(tx *bolt.Tx) error {
return cluster.Save(tx)
})
tests.Assert(t, err == nil)
// Now try to delete the cluster with no elements
err = app.db.Update(func(tx *bolt.Tx) error {
var err error
cluster, err = NewClusterEntryFromId(tx, c.Info.Id)
if err != nil {
return err
}
err = cluster.Delete(tx)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
// Check cluster has been deleted and is not in db
err = app.db.View(func(tx *bolt.Tx) error {
var err error
cluster, err = NewClusterEntryFromId(tx, c.Info.Id)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == ErrNotFound)
}
func TestNodePeerDetachFailure(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Create the app
app := NewTestApp(tmpfile)
defer app.Close()
router := mux.NewRouter()
app.SetRoutes(router)
// Setup the server
ts := httptest.NewServer(router)
defer ts.Close()
// Create a cluster. We do not want
// any drives in the node so we can delete easily
err := setupSampleDbWithTopology(app,
1, // clusters
4, // nodes_per_cluster
0, // devices_per_node,
50*GB, // disksize)
)
tests.Assert(t, err == nil)
// Setup the mock peer probe to fail
peer_called := false
peer_calls := 0
app.xo.MockPeerDetach = func(exec_host, newnode string) error {
peer_calls++
peer_called = true
return errors.New("Mock")
}
// Get a node id
var nodeid string
err = app.db.View(func(tx *bolt.Tx) error {
clusterlist, err := ClusterList(tx)
if err != nil {
return err
}
cluster, err := NewClusterEntryFromId(tx, clusterlist[0])
if err != nil {
return err
}
nodeid = cluster.Info.Nodes[0]
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, nodeid != "")
// Delete node
req, err := http.NewRequest("DELETE", ts.URL+"/nodes/"+nodeid, nil)
tests.Assert(t, err == nil)
r, err := http.DefaultClient.Do(req)
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusAccepted)
location, err := r.Location()
tests.Assert(t, err == nil)
// Since we forced the MockPeerDetach above to fail, the request should fail
for {
r, err = http.Get(location.String())
tests.Assert(t, err == nil)
if r.Header.Get("X-Pending") == "true" {
tests.Assert(t, r.StatusCode == http.StatusOK)
time.Sleep(time.Millisecond * 10)
} else {
tests.Assert(t, r.StatusCode == http.StatusInternalServerError)
s, err := utils.GetStringFromResponse(r)
tests.Assert(t, err == nil)
tests.Assert(t, strings.TrimSpace(s) == "Mock")
tests.Assert(t, peer_called == true)
tests.Assert(t, peer_calls == 1)
break
}
}
// Check that the node is still in the db
err = app.db.View(func(tx *bolt.Tx) error {
clusters, err := ClusterList(tx)
if err != nil {
return err
}
cluster, err := NewClusterEntryFromId(tx, clusters[0])
if err != nil {
return err
}
tests.Assert(t, utils.SortedStringHas(cluster.Info.Nodes, nodeid))
_, err = NewNodeEntryFromId(tx, nodeid)
return err
})
tests.Assert(t, err == nil)
}
func (v *VolumeEntry) BrickAdd(id string) {
godbc.Require(!utils.SortedStringHas(v.Bricks, id))
v.Bricks = append(v.Bricks, id)
v.Bricks.Sort()
}
func TestVolumeEntryCreateOnClustersRequested(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Create the app
app := NewTestApp(tmpfile)
defer app.Close()
// Create 50TB of storage
err := setupSampleDbWithTopology(app,
10, // clusters
10, // nodes_per_cluster
10, // devices_per_node,
5*TB, // disksize)
)
tests.Assert(t, err == nil)
// Get a cluster list
var clusters sort.StringSlice
err = app.db.View(func(tx *bolt.Tx) error {
var err error
clusters, err = ClusterList(tx)
return err
})
tests.Assert(t, err == nil)
clusters.Sort()
// Create a 1TB volume
v := createSampleVolumeEntry(1024)
// Set the clusters to the first two cluster ids
v.Info.Clusters = []string{clusters[0]}
// Create volume
err = v.Create(app.db, app.executor, app.allocator)
tests.Assert(t, err == nil)
// Check database volume does not exist
var info *VolumeInfoResponse
err = app.db.View(func(tx *bolt.Tx) error {
entry, err := NewVolumeEntryFromId(tx, v.Info.Id)
if err != nil {
return err
}
info, err = entry.NewInfoResponse(tx)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, info.Cluster == clusters[0])
// Create a new volume on either of three clusters
clusterset := clusters[2:5]
v = createSampleVolumeEntry(1024)
v.Info.Clusters = clusterset
err = v.Create(app.db, app.executor, app.allocator)
tests.Assert(t, err == nil)
// Check database volume exists
err = app.db.View(func(tx *bolt.Tx) error {
entry, err := NewVolumeEntryFromId(tx, v.Info.Id)
if err != nil {
return err
}
info, err = entry.NewInfoResponse(tx)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, utils.SortedStringHas(clusterset, info.Cluster))
}
func TestVolumeEntryCreateBrickDivision(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Create the app
app := NewTestApp(tmpfile)
defer app.Close()
// Create 50TB of storage
err := setupSampleDbWithTopology(app,
1, // clusters
10, // nodes_per_cluster
10, // devices_per_node,
500*GB, // disksize)
)
tests.Assert(t, err == nil)
// Create a volume who will be broken down to
// Shouldn't be able to break it down enough to allocate volume
v := createSampleVolumeEntry(2000)
err = v.Create(app.db, app.executor, app.allocator)
tests.Assert(t, err == nil)
// Check database volume does not exist
var info *VolumeInfoResponse
var nodelist sort.StringSlice
err = app.db.View(func(tx *bolt.Tx) error {
entry, err := NewVolumeEntryFromId(tx, v.Info.Id)
if err != nil {
return err
}
info, err = entry.NewInfoResponse(tx)
if err != nil {
return err
}
cluster, err := NewClusterEntryFromId(tx, v.Info.Cluster)
if err != nil {
return err
}
nodelist = make(sort.StringSlice, len(cluster.Info.Nodes))
for i, id := range cluster.Info.Nodes {
node, err := NewNodeEntryFromId(tx, id)
if err != nil {
return err
}
nodelist[i] = node.StorageHostName()
}
nodelist.Sort()
return nil
})
tests.Assert(t, err == nil)
// Will need 3 splits for a total of 8 bricks + replicas
tests.Assert(t, len(info.Bricks) == 16)
for b := 1; b < 16; b++ {
tests.Assert(t, info.Bricks[0].Size == info.Bricks[b].Size, b)
}
tests.Assert(t, info.Cluster == v.Info.Cluster)
// Check mount information
host := strings.Split(info.Mount.GlusterFS.MountPoint, ":")[0]
tests.Assert(t, utils.SortedStringHas(nodelist, host), host, nodelist)
volfileServers := strings.Split(info.Mount.GlusterFS.Options["backupvolfile-servers"], ",")
for index, node := range volfileServers {
tests.Assert(t, node != host, index, node, host)
}
}
func TestVolumeEntryCreateFourBricks(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Create the app
app := NewTestApp(tmpfile)
defer app.Close()
// Create a cluster in the database
err := setupSampleDbWithTopology(app,
1, // clusters
4, // nodes_per_cluster
4, // devices_per_node,
500*GB, // disksize)
)
tests.Assert(t, err == nil)
// Create a volume who will be broken down to
v := createSampleVolumeEntry(250)
err = v.Create(app.db, app.executor, app.allocator)
tests.Assert(t, err == nil, err)
// Check database
var info *VolumeInfoResponse
var nodelist sort.StringSlice
err = app.db.View(func(tx *bolt.Tx) error {
entry, err := NewVolumeEntryFromId(tx, v.Info.Id)
if err != nil {
return err
}
info, err = entry.NewInfoResponse(tx)
if err != nil {
return err
}
cluster, err := NewClusterEntryFromId(tx, v.Info.Cluster)
if err != nil {
return err
}
nodelist = make(sort.StringSlice, len(cluster.Info.Nodes))
for i, id := range cluster.Info.Nodes {
node, err := NewNodeEntryFromId(tx, id)
if err != nil {
return err
}
nodelist[i] = node.StorageHostName()
}
nodelist.Sort()
return nil
})
tests.Assert(t, err == nil)
// Check that it used only two bricks each with only two replicas
tests.Assert(t, len(info.Bricks) == 4)
tests.Assert(t, info.Bricks[0].Size == info.Bricks[1].Size)
tests.Assert(t, info.Bricks[0].Size == info.Bricks[2].Size)
tests.Assert(t, info.Bricks[0].Size == info.Bricks[3].Size)
tests.Assert(t, info.Cluster == v.Info.Cluster)
// Check information on the bricks
for _, brick := range info.Bricks {
tests.Assert(t, brick.DeviceId != "")
tests.Assert(t, brick.NodeId != "")
tests.Assert(t, brick.Path != "")
}
// Check mount information
host := strings.Split(info.Mount.GlusterFS.MountPoint, ":")[0]
tests.Assert(t, utils.SortedStringHas(nodelist, host), host, nodelist)
volfileServers := strings.Split(info.Mount.GlusterFS.Options["backupvolfile-servers"], ",")
for index, node := range volfileServers {
tests.Assert(t, node != host, index, node, host)
}
}
func (d *DeviceEntry) BrickAdd(id string) {
godbc.Require(!utils.SortedStringHas(d.Bricks, id))
d.Bricks = append(d.Bricks, id)
d.Bricks.Sort()
}
func TestDeviceAddDelete(t *testing.T) {
tmpfile := tests.Tempfile()
defer os.Remove(tmpfile)
// Patch dbfilename so that it is restored at the end of the tests
defer tests.Patch(&dbfilename, tmpfile).Restore()
// Create the app
app := NewApp()
defer app.Close()
router := mux.NewRouter()
app.SetRoutes(router)
// Setup the server
ts := httptest.NewServer(router)
defer ts.Close()
// Add Cluster then a Node on the cluster
// node
cluster := NewClusterEntryFromRequest()
nodereq := &NodeAddRequest{
ClusterId: cluster.Info.Id,
Hostnames: HostAddresses{
Manage: []string{"manage"},
Storage: []string{"storage"},
},
Zone: 99,
}
node := NewNodeEntryFromRequest(nodereq)
cluster.NodeAdd(node.Info.Id)
// Save information in the db
err := app.db.Update(func(tx *bolt.Tx) error {
err := cluster.Save(tx)
if err != nil {
return err
}
err = node.Save(tx)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
// Create a request to add four devices
request := []byte(`{
"node" : "` + node.Info.Id + `",
"devices" : [
{
"name" : "/dev/fake1",
"weight" : 10
},
{
"name" : "/dev/fake2",
"weight" : 20
},
{
"name" : "/dev/fake3",
"weight" : 30
},
{
"name" : "/dev/fake4",
"weight" : 40
}
]
}`)
// Add device using POST
r, err := http.Post(ts.URL+"/devices", "application/json", bytes.NewBuffer(request))
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusAccepted)
location, err := r.Location()
tests.Assert(t, err == nil)
// Query queue until finished
for {
r, err = http.Get(location.String())
tests.Assert(t, err == nil)
if r.Header.Get("X-Pending") == "true" {
tests.Assert(t, r.StatusCode == http.StatusOK)
time.Sleep(time.Millisecond * 10)
continue
} else {
tests.Assert(t, r.StatusCode == http.StatusNoContent)
break
}
}
// Check db to make sure devices where added
devicemap := make(map[string]*DeviceEntry)
err = app.db.View(func(tx *bolt.Tx) error {
node, err = NewNodeEntryFromId(tx, node.Info.Id)
if err != nil {
return err
}
for _, id := range node.Devices {
device, err := NewDeviceEntryFromId(tx, id)
if err != nil {
return err
}
devicemap[device.Info.Name] = device
}
return nil
})
tests.Assert(t, err == nil)
val, ok := devicemap["/dev/fake1"]
tests.Assert(t, ok)
tests.Assert(t, val.Info.Name == "/dev/fake1")
tests.Assert(t, val.Info.Weight == 10)
tests.Assert(t, len(val.Bricks) == 0)
val, ok = devicemap["/dev/fake2"]
tests.Assert(t, ok)
tests.Assert(t, val.Info.Name == "/dev/fake2")
tests.Assert(t, val.Info.Weight == 20)
tests.Assert(t, len(val.Bricks) == 0)
val, ok = devicemap["/dev/fake3"]
tests.Assert(t, ok)
tests.Assert(t, val.Info.Name == "/dev/fake3")
tests.Assert(t, val.Info.Weight == 30)
tests.Assert(t, len(val.Bricks) == 0)
val, ok = devicemap["/dev/fake4"]
tests.Assert(t, ok)
tests.Assert(t, val.Info.Name == "/dev/fake4")
tests.Assert(t, val.Info.Weight == 40)
tests.Assert(t, len(val.Bricks) == 0)
// Add some bricks to check if delete conflicts works
fakeid := devicemap["/dev/fake1"].Info.Id
err = app.db.Update(func(tx *bolt.Tx) error {
device, err := NewDeviceEntryFromId(tx, fakeid)
if err != nil {
return err
}
device.BrickAdd("123")
device.BrickAdd("456")
return device.Save(tx)
})
tests.Assert(t, err == nil)
// Now delete device and check for conflict
req, err := http.NewRequest("DELETE", ts.URL+"/devices/"+fakeid, nil)
tests.Assert(t, err == nil)
r, err = http.DefaultClient.Do(req)
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusConflict)
// Check the db is still intact
err = app.db.View(func(tx *bolt.Tx) error {
device, err := NewDeviceEntryFromId(tx, fakeid)
if err != nil {
return err
}
node, err = NewNodeEntryFromId(tx, device.NodeId)
if err != nil {
return err
}
return nil
})
tests.Assert(t, err == nil)
tests.Assert(t, utils.SortedStringHas(node.Devices, fakeid))
// Node delete bricks from the device
err = app.db.Update(func(tx *bolt.Tx) error {
device, err := NewDeviceEntryFromId(tx, fakeid)
if err != nil {
return err
}
device.BrickDelete("123")
device.BrickDelete("456")
return device.Save(tx)
})
tests.Assert(t, err == nil)
// Delete device
req, err = http.NewRequest("DELETE", ts.URL+"/devices/"+fakeid, nil)
tests.Assert(t, err == nil)
r, err = http.DefaultClient.Do(req)
tests.Assert(t, err == nil)
tests.Assert(t, r.StatusCode == http.StatusOK)
// Check db
err = app.db.View(func(tx *bolt.Tx) error {
_, err := NewDeviceEntryFromId(tx, fakeid)
return err
})
tests.Assert(t, err == ErrNotFound)
// Check node does not have the device
err = app.db.View(func(tx *bolt.Tx) error {
node, err = NewNodeEntryFromId(tx, node.Info.Id)
return err
})
tests.Assert(t, err == nil)
tests.Assert(t, !utils.SortedStringHas(node.Devices, fakeid))
}