/
local.go
173 lines (142 loc) · 3.73 KB
/
local.go
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package clusters
import (
"bytes"
"errors"
"fmt"
"log"
"os"
"path"
"text/template"
"github.com/go-git/go-git/v5"
"sigs.k8s.io/kind/pkg/cluster"
)
var errKind = errors.New("kind error")
type LocalDiskDirs struct {
Disks []string
MountPath string
}
func createDirectory(absolutePath string) {
_, err := os.Stat(absolutePath)
if err != nil {
if os.IsNotExist(err) {
log.Printf("Creating directory: %s", absolutePath)
if err := os.Mkdir(absolutePath, os.ModePerm); err != nil {
log.Fatal("Couldn't create directory. Aborting.")
}
} else {
log.Fatal(
"Something unexpected happened. Please raise an issue.",
)
}
}
if !os.IsNotExist(err) {
log.Printf("Directory already exists: %s", absolutePath)
}
}
func CreateLocalDiskDirs(basedir string) LocalDiskDirs {
log.Println("Preparing local disk directories for CubeFS deployment.")
disks := []string{
path.Join(basedir, "kind-worker-disk"),
path.Join(basedir, "kind-worker2-disk"),
path.Join(basedir, "kind-worker3-disk"),
}
for _, dir := range disks {
createDirectory(dir)
}
return LocalDiskDirs{disks, "/data0"}
}
func EomiiDir() string {
homedir, err := os.UserHomeDir()
if err != nil {
log.Fatal(err)
}
eomiidir := path.Join(homedir, ".eomii")
createDirectory(eomiidir)
return eomiidir
}
//nolint:nolintlint,typecheck // The git type is broken.
func CubeFSHelmRepo(basedir string) string {
cubefsdir := path.Join(basedir, "cubefs-helm")
_, err := git.PlainClone(cubefsdir, false, &git.CloneOptions{
URL: "https://github.com/cubefs/cubefs-helm",
Progress: os.Stdout,
})
if errors.Is(err, git.ErrRepositoryAlreadyExists) {
log.Println("CubeFS repo already cloned previously.")
return cubefsdir
} else if err != nil {
log.Fatal(err)
}
return cubefsdir
}
func CreateLocalKindConfig(localDiskDirs LocalDiskDirs) bytes.Buffer {
kindConfigTemplate, err := template.New("kind-config.yaml").Parse(`
---
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
- role: worker
extraMounts:
- hostPath: {{ index .Disks 0 }}
containerPath: {{ .MountPath }}
labels:
component.cubefs.io/master: enabled
component.cubefs.io/metanode: enabled
component.cubefs.io/datanode: enabled
component.cubefs.io/objectnode: enabled
component.cubefs.io/csi: enabled
- role: worker
extraMounts:
- hostPath: {{ index .Disks 1 }}
containerPath: {{ .MountPath }}
labels:
component.cubefs.io/master: enabled
component.cubefs.io/metanode: enabled
component.cubefs.io/datanode: enabled
- role: worker
extraMounts:
- hostPath: {{ index .Disks 2 }}
containerPath: {{ .MountPath }}
labels:
component.cubefs.io/master: enabled
component.cubefs.io/metanode: enabled
component.cubefs.io/datanode: enabled
networking:
disableDefaultCNI: true
kubeProxyMode: none
`)
if err != nil {
log.Fatal(err)
}
var kindConfig bytes.Buffer
if err = kindConfigTemplate.Execute(
&kindConfig,
localDiskDirs,
); err != nil {
log.Fatal(err)
}
return kindConfig
}
func CreateLocalCluster(provider *cluster.Provider) error {
log.Printf("Setting up base directories.")
localDiskDirs := CreateLocalDiskDirs(EomiiDir())
log.Printf("Creating kind cluster.")
kindConfig := CreateLocalKindConfig(localDiskDirs)
log.Println("Instantiating Kind Cluster with the following config:")
log.Print(kindConfig.String())
if err := provider.Create(
"kind",
cluster.CreateWithRawConfig(kindConfig.Bytes()),
); err != nil {
return fmt.Errorf("%w: %w", errKind, err)
}
return nil
}
func DeleteLocalCluster(provider *cluster.Provider) error {
log.Printf("Deleting cluster.")
if err := provider.Delete("kind", ""); err != nil {
return fmt.Errorf("%w: %w", errKind, err)
}
return nil
}