Files
my-rook-config/pkg/operator/ceph/cluster/osd/spec_test.go
T
2019-11-18 11:27:57 -07:00

401 lines
14 KiB
Go

/*
Copyright 2016 The Rook Authors. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package osd for the Ceph OSDs.
package osd
import (
"testing"
cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
rookalpha "github.com/rook/rook/pkg/apis/rook.io/v1alpha2"
"github.com/rook/rook/pkg/clusterd"
cephconfig "github.com/rook/rook/pkg/daemon/ceph/config"
"github.com/rook/rook/pkg/operator/ceph/cluster/osd/config"
cephver "github.com/rook/rook/pkg/operator/ceph/version"
exectest "github.com/rook/rook/pkg/util/exec/test"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes/fake"
opconfig "github.com/rook/rook/pkg/operator/ceph/config"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPodContainer(t *testing.T) {
cluster := &Cluster{Namespace: "myosd", rookVersion: "23", cephVersion: cephv1.CephVersionSpec{}, clusterInfo: &cephconfig.ClusterInfo{}}
osdProps := osdProperties{
crushHostname: "node",
devices: []rookalpha.Device{},
resources: v1.ResourceRequirements{},
storeConfig: config.StoreConfig{},
}
dataPathMap := &provisionConfig{
DataPathMap: opconfig.NewDatalessDaemonDataPathMap(cluster.Namespace, "/var/lib/rook"),
}
c, err := cluster.provisionPodTemplateSpec(osdProps, v1.RestartPolicyAlways, dataPathMap)
assert.NotNil(t, c)
assert.Nil(t, err)
assert.Equal(t, 1, len(c.Spec.InitContainers))
assert.Equal(t, 1, len(c.Spec.Containers))
container := c.Spec.InitContainers[0]
logger.Infof("container: %+v", container)
assert.Equal(t, "copy-binaries", container.Args[0])
container = c.Spec.Containers[0]
assert.Equal(t, "/rook/tini", container.Command[0])
assert.Equal(t, "--", container.Args[0])
assert.Equal(t, "/rook/rook", container.Args[1])
assert.Equal(t, "ceph", container.Args[2])
assert.Equal(t, "osd", container.Args[3])
assert.Equal(t, "provision", container.Args[4])
}
func TestDaemonset(t *testing.T) {
testPodDevices(t, "", "sda", true)
testPodDevices(t, "/var/lib/mydatadir", "sdb", false)
testPodDevices(t, "", "", true)
testPodDevices(t, "", "", false)
}
func testPodDevices(t *testing.T, dataDir, deviceName string, allDevices bool) {
storageSpec := rookalpha.StorageScopeSpec{
Selection: rookalpha.Selection{UseAllDevices: &allDevices, DeviceFilter: deviceName},
Nodes: []rookalpha.Node{{Name: "node1"}},
}
devices := []rookalpha.Device{
{Name: deviceName},
}
clientset := fake.NewSimpleClientset()
cephVersion := cephv1.CephVersionSpec{Image: "ceph/ceph:v12.2.8"}
clusterInfo := &cephconfig.ClusterInfo{
CephVersion: cephver.Nautilus,
}
c := New(clusterInfo, &clusterd.Context{Clientset: clientset, ConfigDir: "/var/lib/rook", Executor: &exectest.MockExecutor{}}, "ns", "rook/rook:myversion", cephVersion,
storageSpec, dataDir, rookalpha.Placement{}, rookalpha.Annotations{}, cephv1.NetworkSpec{}, v1.ResourceRequirements{}, v1.ResourceRequirements{}, "my-priority-class", metav1.OwnerReference{}, false, false)
devMountNeeded := deviceName != "" || allDevices
n := c.DesiredStorage.ResolveNode(storageSpec.Nodes[0].Name)
if len(devices) == 0 && len(dataDir) == 0 {
return
}
osd := OSDInfo{
ID: 0,
}
osdProp := osdProperties{
crushHostname: n.Name,
selection: n.Selection,
resources: v1.ResourceRequirements{},
storeConfig: config.StoreConfig{},
}
dataPathMap := &provisionConfig{
DataPathMap: opconfig.NewDatalessDaemonDataPathMap(c.Namespace, "/var/lib/rook"),
}
deployment, err := c.makeDeployment(osdProp, osd, dataPathMap)
assert.Nil(t, err)
assert.NotNil(t, deployment)
assert.Equal(t, "rook-ceph-osd-0", deployment.Name)
assert.Equal(t, c.Namespace, deployment.Namespace)
assert.Equal(t, serviceAccountName, deployment.Spec.Template.Spec.ServiceAccountName)
assert.Equal(t, int32(1), *(deployment.Spec.Replicas))
assert.Equal(t, "node1", deployment.Spec.Template.Spec.NodeSelector[v1.LabelHostname])
assert.Equal(t, v1.RestartPolicyAlways, deployment.Spec.Template.Spec.RestartPolicy)
assert.Equal(t, "my-priority-class", deployment.Spec.Template.Spec.PriorityClassName)
if devMountNeeded && len(dataDir) > 0 {
assert.Equal(t, 6, len(deployment.Spec.Template.Spec.Volumes))
}
if devMountNeeded && len(dataDir) == 0 {
assert.Equal(t, 6, len(deployment.Spec.Template.Spec.Volumes))
}
if !devMountNeeded && len(dataDir) > 0 {
assert.Equal(t, 1, len(deployment.Spec.Template.Spec.Volumes))
}
assert.Equal(t, "rook-data", deployment.Spec.Template.Spec.Volumes[0].Name)
assert.Equal(t, AppName, deployment.Spec.Template.ObjectMeta.Name)
assert.Equal(t, AppName, deployment.Spec.Template.ObjectMeta.Labels["app"])
assert.Equal(t, c.Namespace, deployment.Spec.Template.ObjectMeta.Labels["rook_cluster"])
assert.Equal(t, 0, len(deployment.Spec.Template.ObjectMeta.Annotations))
assert.Equal(t, 3, len(deployment.Spec.Template.Spec.InitContainers))
initCont := deployment.Spec.Template.Spec.InitContainers[0]
assert.Equal(t, "rook/rook:myversion", initCont.Image)
assert.Equal(t, "config-init", initCont.Name)
assert.Equal(t, 4, len(initCont.VolumeMounts))
assert.Equal(t, 1, len(deployment.Spec.Template.Spec.Containers))
cont := deployment.Spec.Template.Spec.Containers[0]
assert.Equal(t, cephVersion.Image, cont.Image)
assert.Equal(t, 6, len(cont.VolumeMounts))
assert.Equal(t, "ceph-osd", cont.Command[0])
}
func verifyEnvVar(t *testing.T, envVars []v1.EnvVar, expectedName, expectedValue string, expectedFound bool) {
found := false
for _, envVar := range envVars {
if envVar.Name == expectedName {
assert.Equal(t, expectedValue, envVar.Value)
found = true
break
}
}
assert.Equal(t, expectedFound, found)
}
func TestStorageSpecDevicesAndDirectories(t *testing.T) {
storageSpec := rookalpha.StorageScopeSpec{
Selection: rookalpha.Selection{
Directories: []rookalpha.Directory{{Path: "/rook/dir2"}},
},
Nodes: []rookalpha.Node{
{
Name: "node1",
Selection: rookalpha.Selection{
Devices: []rookalpha.Device{{Name: "sda"}},
Directories: []rookalpha.Directory{{Path: "/rook/dir1"}},
},
},
},
}
clientset := fake.NewSimpleClientset()
clusterInfo := &cephconfig.ClusterInfo{
CephVersion: cephver.Nautilus,
}
c := New(clusterInfo, &clusterd.Context{Clientset: clientset, ConfigDir: "/var/lib/rook", Executor: &exectest.MockExecutor{}}, "ns", "rook/rook:myversion", cephv1.CephVersionSpec{},
storageSpec, "/var/lib/rook", rookalpha.Placement{}, rookalpha.Annotations{}, cephv1.NetworkSpec{}, v1.ResourceRequirements{}, v1.ResourceRequirements{}, "my-priority-class", metav1.OwnerReference{}, false, false)
n := c.DesiredStorage.ResolveNode(storageSpec.Nodes[0].Name)
osd := OSDInfo{
ID: 0,
IsDirectory: true,
DataPath: "/my/root/path/osd1",
}
osdProp := osdProperties{
crushHostname: n.Name,
selection: n.Selection,
resources: v1.ResourceRequirements{},
storeConfig: config.StoreConfig{},
}
dataPathMap := &provisionConfig{
DataPathMap: opconfig.NewDatalessDaemonDataPathMap(c.Namespace, "/var/lib/rook"),
}
deployment, err := c.makeDeployment(osdProp, osd, dataPathMap)
assert.NotNil(t, deployment)
assert.Nil(t, err)
// pod spec should have a volume for the given dir in the main container and the init container
podSpec := deployment.Spec.Template.Spec
require.Equal(t, 1, len(podSpec.Containers))
require.Equal(t, 1, len(podSpec.InitContainers))
// the default osd created on a node will be under /var/lib/rook, which won't need an extra mount
osd = OSDInfo{
ID: 1,
IsDirectory: true,
DataPath: "/var/lib/rook/osd1",
}
deployment, err = c.makeDeployment(osdProp, osd, dataPathMap)
assert.NotNil(t, deployment)
assert.Nil(t, err)
// pod spec should have a volume for the given dir in the main container and the init container
podSpec = deployment.Spec.Template.Spec
require.Equal(t, 1, len(podSpec.Containers))
require.Equal(t, 1, len(podSpec.InitContainers))
}
func TestStorageSpecConfig(t *testing.T) {
storageSpec := rookalpha.StorageScopeSpec{
Nodes: []rookalpha.Node{
{
Name: "node1",
Config: map[string]string{
"storeType": "bluestore",
"databaseSizeMB": "10",
"walSizeMB": "20",
"journalSizeMB": "30",
"metadataDevice": "nvme093",
},
Selection: rookalpha.Selection{
Directories: []rookalpha.Directory{{Path: "/rook/storageDir472"}},
},
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(1024.0, resource.BinarySI),
v1.ResourceMemory: *resource.NewQuantity(4096.0, resource.BinarySI),
},
Requests: v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(500.0, resource.BinarySI),
v1.ResourceMemory: *resource.NewQuantity(2048.0, resource.BinarySI),
},
},
},
},
}
clientset := fake.NewSimpleClientset()
clusterInfo := &cephconfig.ClusterInfo{
CephVersion: cephver.Nautilus,
}
c := New(clusterInfo, &clusterd.Context{Clientset: clientset, ConfigDir: "/var/lib/rook", Executor: &exectest.MockExecutor{}}, "ns", "rook/rook:myversion", cephv1.CephVersionSpec{},
storageSpec, "", rookalpha.Placement{}, rookalpha.Annotations{}, cephv1.NetworkSpec{}, v1.ResourceRequirements{}, v1.ResourceRequirements{}, "my-priority-class", metav1.OwnerReference{}, false, false)
n := c.DesiredStorage.ResolveNode(storageSpec.Nodes[0].Name)
storeConfig := config.ToStoreConfig(storageSpec.Nodes[0].Config)
metadataDevice := config.MetadataDevice(storageSpec.Nodes[0].Config)
osdProp := osdProperties{
crushHostname: n.Name,
devices: n.Devices,
selection: n.Selection,
resources: c.DesiredStorage.Nodes[0].Resources,
storeConfig: storeConfig,
metadataDevice: metadataDevice,
}
dataPathMap := &provisionConfig{
DataPathMap: opconfig.NewDatalessDaemonDataPathMap(c.Namespace, "/var/lib/rook"),
}
job, err := c.makeJob(osdProp, dataPathMap)
assert.NotNil(t, job)
assert.Nil(t, err)
assert.Equal(t, "rook-ceph-osd-prepare-node1", job.ObjectMeta.Name)
container := job.Spec.Template.Spec.InitContainers[0]
assert.NotNil(t, container)
container = job.Spec.Template.Spec.Containers[0]
assert.NotNil(t, container)
verifyEnvVar(t, container.Env, "ROOK_OSD_STORE", "bluestore", true)
verifyEnvVar(t, container.Env, "ROOK_OSD_DATABASE_SIZE", "10", true)
verifyEnvVar(t, container.Env, "ROOK_OSD_WAL_SIZE", "20", true)
verifyEnvVar(t, container.Env, "ROOK_OSD_JOURNAL_SIZE", "30", true)
verifyEnvVar(t, container.Env, "ROOK_METADATA_DEVICE", "nvme093", true)
// verify that osd config can be discovered from the container and matches the original config from the spec
discoveredConfig := getConfigFromContainer(container)
assert.Equal(t, n.Config, discoveredConfig)
discoveredDirs := getDirectoriesFromContainer(container)
assert.Equal(t, n.Directories, discoveredDirs)
}
func TestHostNetwork(t *testing.T) {
storageSpec := rookalpha.StorageScopeSpec{
Nodes: []rookalpha.Node{
{
Name: "node1",
Config: map[string]string{
"storeType": "bluestore",
"databaseSizeMB": "10",
"walSizeMB": "20",
"journalSizeMB": "30",
},
},
},
}
clientset := fake.NewSimpleClientset()
clusterInfo := &cephconfig.ClusterInfo{
CephVersion: cephver.Nautilus,
}
c := New(clusterInfo, &clusterd.Context{Clientset: clientset, ConfigDir: "/var/lib/rook", Executor: &exectest.MockExecutor{}}, "ns", "myversion", cephv1.CephVersionSpec{},
storageSpec, "", rookalpha.Placement{}, rookalpha.Annotations{}, cephv1.NetworkSpec{HostNetwork: true}, v1.ResourceRequirements{}, v1.ResourceRequirements{}, "my-priority-class", metav1.OwnerReference{}, false, false)
n := c.DesiredStorage.ResolveNode(storageSpec.Nodes[0].Name)
osd := OSDInfo{
ID: 0,
}
osdProp := osdProperties{
crushHostname: n.Name,
devices: n.Devices,
selection: n.Selection,
resources: c.DesiredStorage.Nodes[0].Resources,
storeConfig: config.StoreConfig{},
}
dataPathMap := &provisionConfig{
DataPathMap: opconfig.NewDatalessDaemonDataPathMap(c.Namespace, "/var/lib/rook"),
}
r, err := c.makeDeployment(osdProp, osd, dataPathMap)
assert.NotNil(t, r)
assert.Nil(t, err)
assert.Equal(t, "rook-ceph-osd-0", r.ObjectMeta.Name)
assert.Equal(t, true, r.Spec.Template.Spec.HostNetwork)
assert.Equal(t, v1.DNSClusterFirstWithHostNet, r.Spec.Template.Spec.DNSPolicy)
}
func TestOsdOnSDNFlag(t *testing.T) {
network := cephv1.NetworkSpec{}
v := cephver.Mimic
args := osdOnSDNFlag(network, v)
assert.Empty(t, args)
v = cephver.CephVersion{Major: 14, Minor: 2, Extra: 2}
args = osdOnSDNFlag(network, v)
assert.NotEmpty(t, args)
v = cephver.Octopus
args = osdOnSDNFlag(network, v)
assert.NotEmpty(t, args)
}
func TestOsdPrepareResources(t *testing.T) {
var osdClaimName string
clientset := fake.NewSimpleClientset()
c := New(&cephconfig.ClusterInfo{}, &clusterd.Context{Clientset: clientset, ConfigDir: "/var/lib/rook", Executor: &exectest.MockExecutor{}}, "ns", "myversion", cephv1.CephVersionSpec{},
rookalpha.StorageScopeSpec{}, "", rookalpha.Placement{}, rookalpha.Annotations{}, cephv1.NetworkSpec{}, v1.ResourceRequirements{}, v1.ResourceRequirements{}, "my-priority-class", metav1.OwnerReference{}, false, false)
// TEST 2: NOT running on PVC and some prepareResources are specificied
rr := v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2000.0, resource.BinarySI),
},
Requests: v1.ResourceList{
v1.ResourceMemory: *resource.NewQuantity(250.0, resource.BinarySI),
},
}
c.prepareResources = rr
r := c.osdPrepareResources(osdClaimName)
assert.Equal(t, "2", r.Limits.Cpu().String(), rr.Limits.Cpu().String())
assert.Equal(t, "0", r.Requests.Cpu().String())
assert.Equal(t, "0", r.Limits.Memory().String())
assert.Equal(t, "250", r.Requests.Memory().String())
}
func TestCephVolumeEnvVar(t *testing.T) {
cvEnv := cephVolumeEnvVar()
assert.Equal(t, "CEPH_VOLUME_DEBUG", cvEnv[0].Name)
assert.Equal(t, "1", cvEnv[0].Value)
assert.Equal(t, "CEPH_VOLUME_SKIP_RESTORECON", cvEnv[1].Name)
assert.Equal(t, "1", cvEnv[1].Value)
assert.Equal(t, "DM_DISABLE_UDEV", cvEnv[2].Name)
assert.Equal(t, "1", cvEnv[1].Value)
}