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create.go
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create.go
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/*
* Tencent is pleased to support the open source community by making Blueking Container Service available.
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 v4http
import (
"encoding/json"
"fmt"
"github.com/Tencent/bk-bcs/bcs-common/common"
"github.com/Tencent/bk-bcs/bcs-common/common/blog"
bhttp "github.com/Tencent/bk-bcs/bcs-common/common/http"
bcstype "github.com/Tencent/bk-bcs/bcs-common/common/types"
commtypes "github.com/Tencent/bk-bcs/bcs-common/common/types"
"github.com/Tencent/bk-bcs/bcs-common/pkg/scheduler/schetypes"
// "github.com/golang/protobuf/proto"
"strconv"
"strings"
)
// CreateApplication create application implementation
func (s *Scheduler) CreateApplication(body []byte) (string, error) {
blog.Info("create application. param(%s)", string(body))
var param bcstype.ReplicaController
// encoding param by json
if err := json.Unmarshal(body, ¶m); err != nil {
blog.Error("parse parameters failed. param(%s), err(%s)", string(body), err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonDecode, common.BcsErrCommJsonDecodeStr)
return err.Error(), err
}
// bcs-mesos-scheduler version
version, err := s.newVersionWithParam(¶m)
if err != nil {
return err.Error(), err
}
// version.RawJson = ¶m
// post version to bcs-mesos-scheduler, /v1/apps
data, err := json.Marshal(version)
if err != nil {
blog.Error("marshal parameter version by json failed. err:%s", err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonEncode, common.BcsErrCommJsonEncodeStr+"encode version by json")
return err.Error(), err
}
if s.GetHost() == "" {
blog.Error("no scheduler is connected by driver")
err = bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+"scheduler not exist")
return err.Error(), err
}
url := s.GetHost() + "/v1/apps"
blog.Info("post a request to url(%s), request:%s", url, string(data))
// reply, err := bhttp.Request(url, "POST", nil, strings.NewReader(string(data)))
reply, err := s.client.POST(url, nil, data)
if err != nil {
blog.Error("post request to url(%s) failed! err(%s)", url, err.Error())
err = bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+err.Error())
return err.Error(), err
}
return string(reply), nil
}
func (s *Scheduler) newVersionWithParam(param *bcstype.ReplicaController) (*types.Version, error) {
// check ObjectMeta is valid
err := param.MetaIsValid()
if err != nil {
return nil, err
}
// var version types.Version
version := &types.Version{
Kind: param.Kind,
ID: "",
Instances: 0,
RunAs: "",
Container: []*types.Container{},
Process: []*bcstype.Process{},
Labels: make(map[string]string),
Constraints: nil,
Uris: []string{},
Ip: []string{},
Mode: "",
}
// store ReplicaController original definition
version.RawJson = param
version.ObjectMeta = param.ObjectMeta
version.KillPolicy = ¶m.KillPolicy
version.RestartPolicy = ¶m.RestartPolicy
if version.RestartPolicy.Policy == "" {
version.RestartPolicy.Policy = bcstype.RestartPolicy_ONFAILURE
}
if version.RestartPolicy.Policy != bcstype.RestartPolicy_ONFAILURE && version.RestartPolicy.Policy !=
bcstype.RestartPolicy_ALWAYS && version.RestartPolicy.Policy != bcstype.RestartPolicy_NEVER {
blog.Error("error restart policy: %s", version.RestartPolicy.Policy)
replyErr := bhttp.InternalError(common.BcsErrMesosDriverParameterErr, common.BcsErrMesosDriverParameterErrStr+
"restart policy error")
return nil, replyErr
}
version.ID = param.Name
version.RunAs = param.NameSpace
if version.RunAs == "" {
version.RunAs = "defaultGroup"
}
version.Instances = int32(param.ReplicaControllerSpec.Instance)
version.Constraints = param.Constraints
for k, v := range param.Labels {
version.Labels[k] = v
}
version, err = s.setVersionWithPodSpec(version, param.ReplicaControllerSpec.Template)
if err != nil {
return nil, err
}
version.PodObjectMeta.NameSpace = param.ObjectMeta.NameSpace
for k, v := range version.Labels {
if strings.Contains(k, "io.tencent.bcs.netsvc.requestip.") {
val := strings.Replace(v, " ", "", -1)
version.Labels[k] = val
}
}
for k, v := range version.ObjectMeta.Annotations {
if strings.Contains(k, "io.tencent.bcs.netsvc.requestip.") {
val := strings.Replace(v, " ", "", -1)
version.ObjectMeta.Annotations[k] = val
}
}
return version, nil
}
func (s *Scheduler) setVersionWithPodSpec(version *types.Version, spec *bcstype.PodTemplateSpec) (*types.Version,
error) {
if spec == nil {
blog.Errorf("spec.template can't be empty")
replyErr := bhttp.InternalError(common.BcsErrMesosDriverParameterErr, common.BcsErrMesosDriverParameterErrStr+
" no template")
return nil, replyErr
}
NumContainer := len(spec.PodSpec.Containers)
NumProcess := len(spec.PodSpec.Processes)
if NumContainer <= 0 && NumProcess <= 0 {
blog.Warn("there is no container or Process parameters.")
replyErr := bhttp.InternalError(common.BcsErrMesosDriverParameterErr, common.BcsErrMesosDriverParameterErrStr+
"no containers and processes")
return nil, replyErr
}
if NumContainer > 0 && NumProcess > 0 {
blog.Warn("containers and Processes can not coexist.")
replyErr := bhttp.InternalError(common.BcsErrMesosDriverParameterErr, common.BcsErrMesosDriverParameterErrStr+
"containers and processes cannot coexist")
return nil, replyErr
}
// version belong to application
if version.Kind == "" && NumContainer > 0 {
version.Kind = commtypes.BcsDataType_APP
}
// version belong to process
if version.Kind == "" && NumProcess > 0 {
version.Kind = commtypes.BcsDataType_PROCESS
}
version.PodObjectMeta = spec.ObjectMeta
version.PodObjectMeta.NameSpace = version.ObjectMeta.NameSpace
version.PodObjectMeta.Name = version.ObjectMeta.Name
// Added 20180808, add labels from version.ObjectsMeta to version.PodObjectMeta
// version.PodObjectMeta will effect the labels of taskgroups that store in zookeeper
// And the existing label key in PodObjectMeta will not be recovered.
if version.PodObjectMeta.Labels == nil {
version.PodObjectMeta.Labels = version.ObjectMeta.Labels
} else {
for k, v := range version.ObjectMeta.Labels {
if _, ok := version.PodObjectMeta.Labels[k]; !ok {
version.PodObjectMeta.Labels[k] = v
}
}
}
for k, v := range spec.Labels {
version.Labels[k] = v
}
for i := 0; i < NumProcess; i++ {
process := &spec.PodSpec.Processes[i]
version.Process = append(version.Process, process)
}
for i := 0; i < NumContainer; i++ {
container := new(types.Container)
c := spec.PodSpec.Containers[i]
if c.Resources.Requests.Cpu == "" && c.Resources.Limits.Cpu != "" {
c.Resources.Requests.Cpu = c.Resources.Limits.Cpu
c.Resources.Requests.Mem = c.Resources.Limits.Mem
c.Resources.Requests.Storage = c.Resources.Limits.Storage
}
container.Type = c.Type
// Resources
// request
container.Resources = new(types.Resource)
container.Resources.Cpus, _ = strconv.ParseFloat(c.Resources.Requests.Cpu, 64)
container.Resources.Mem, _ = strconv.ParseFloat(c.Resources.Requests.Mem, 64)
container.Resources.Disk, _ = strconv.ParseFloat(c.Resources.Requests.Storage, 64)
// limit
container.LimitResoures = new(types.Resource)
container.LimitResoures.Cpus, _ = strconv.ParseFloat(c.Resources.Limits.Cpu, 64)
container.LimitResoures.Mem, _ = strconv.ParseFloat(c.Resources.Limits.Mem, 64)
container.LimitResoures.Disk, _ = strconv.ParseFloat(c.Resources.Limits.Storage, 64)
container.DataClass = &types.DataClass{
Resources: new(types.Resource),
Msgs: []*types.BcsMessage{},
}
// extended resources
container.DataClass.ExtendedResources = c.Resources.ExtendedResources
// request resources
container.DataClass.Resources = container.Resources
// limit resources
container.DataClass.LimitResources = container.LimitResoures
// set network flow limit parameters
container.NetLimit = spec.PodSpec.NetLimit
container.DataClass.NetLimit = container.NetLimit
// docker
container.Docker = new(types.Docker)
container.Docker.Image = c.Image
container.Docker.Hostname = c.Hostname
container.Docker.ImagePullUser = c.ImagePullUser
container.Docker.ImagePullPasswd = c.ImagePullPasswd
container.Docker.ForcePullImage = false
if c.ImagePullPolicy == bcstype.ImagePullPolicy_ALWAYS {
container.Docker.ForcePullImage = true
}
container.Docker.Privileged = c.Privileged
container.Docker.Network = spec.PodSpec.NetworkMode
container.Docker.NetworkType = spec.PodSpec.NetworkType
container.Docker.Command = c.Command
container.Docker.Arguments = c.Args
// parameter
container.Docker.Parameters = []*types.Parameter{}
for _, ps := range c.Parameters {
container.Docker.Parameters = append(container.Docker.Parameters, &types.Parameter{Key: ps.Key, Value: ps.Value})
}
// portmaping
container.Docker.PortMappings = []*types.PortMapping{}
for _, port := range c.Ports {
portMap := new(types.PortMapping)
portMap.ContainerPort = int32(port.ContainerPort)
portMap.HostPort = int32(port.HostPort)
portMap.Name = port.Name
portMap.Protocol = port.Protocol
container.Docker.PortMappings = append(container.Docker.PortMappings, portMap)
}
// env
container.Docker.Env = make(map[string]string)
for _, env := range c.Env {
if env.ValueFrom != nil && env.ValueFrom.ResourceFieldRef != nil && env.ValueFrom.ResourceFieldRef.Resource != "" {
switch env.ValueFrom.ResourceFieldRef.Resource {
case "requests.cpu":
container.Docker.Env[env.Name] = fmt.Sprintf("%f", container.Resources.Cpus*1000)
case "requests.memory":
container.Docker.Env[env.Name] = fmt.Sprintf("%f", container.Resources.Mem)
case "limits.cpu":
container.Docker.Env[env.Name] = fmt.Sprintf("%f", container.LimitResoures.Cpus*1000)
case "limits.memory":
container.Docker.Env[env.Name] = fmt.Sprintf("%f", container.LimitResoures.Mem)
default:
blog.Errorf("Deployment(%s:%s) Env(%s) ValueFrom(%s) is invalid",
version.ObjectMeta.NameSpace, version.ObjectMeta.Name, env.Name, env.ValueFrom.ResourceFieldRef.Resource)
}
} else {
container.Docker.Env[env.Name] = env.Value
}
}
// volume
container.Volumes = []*types.Volume{}
for _, volUnit := range c.Volumes {
vol := new(types.Volume)
vol.ContainerPath = volUnit.Volume.MountPath
vol.HostPath = volUnit.Volume.HostPath
vol.Mode = "RW"
if volUnit.Volume.ReadOnly {
vol.Mode = "R"
}
container.Volumes = append(container.Volumes, vol)
}
// configmap
container.ConfigMaps = c.ConfigMaps
// secret
container.Secrets = c.Secrets
container.HealthChecks = c.HealthChecks
for _, oneCheck := range container.HealthChecks {
if oneCheck.DelaySeconds <= 0 {
oneCheck.DelaySeconds = 10
}
if oneCheck.IntervalSeconds <= 0 {
oneCheck.IntervalSeconds = 60
}
if oneCheck.TimeoutSeconds <= 0 {
oneCheck.TimeoutSeconds = 20
}
// if oneCheck.ConsecutiveFailures < 0 {
// oneCheck.ConsecutiveFailures = 0
// }
if oneCheck.GracePeriodSeconds <= 0 {
oneCheck.GracePeriodSeconds = 300
}
}
version.Container = append(version.Container, container)
} // end for i
return version, nil
}