posh-providers/kubernets/kubectl/cluster.go

121 lines
2.3 KiB
Go

package kubectl
import (
"context"
"fmt"
"os"
"path"
"strings"
"github.com/foomo/posh/pkg/env"
"github.com/foomo/posh/pkg/log"
"github.com/foomo/posh/pkg/shell"
)
const None string = "_"
type Cluster struct {
l log.Logger
name string
kubectl *Kubectl
}
type Clusters []*Cluster
func NewCluster(kubectl *Kubectl, name string) *Cluster {
return &Cluster{
l: kubectl.l.Named("kubectl:" + name),
name: name,
kubectl: kubectl,
}
}
func (c *Cluster) IsNone() bool {
return c.name == None
}
func (c *Cluster) Name() string {
return c.name
}
func (c *Cluster) String() string {
return c.name
}
func (c *Cluster) Env() string {
return fmt.Sprintf("KUBECONFIG=%s", c.Config())
}
func (c *Cluster) Config() string {
return path.Join(os.Getenv(env.ProjectRoot), c.kubectl.cfg.ConfigPath, c.Name()+".yaml")
}
func (c *Cluster) ConfigExists() bool {
if _, err := os.Stat(c.Config()); err == nil {
return true
}
return false
}
func (c *Cluster) DeleteConfig() error {
if !c.ConfigExists() {
return nil
}
return os.Remove(c.Config())
}
//nolint:forcetypeassert
func (c *Cluster) Namespaces(ctx context.Context) []string {
return c.kubectl.cache.Get(c.name+"-namespaces", func() any {
sh := shell.New(ctx, c.l, "kubectl",
"get", "namespaces",
"-o", "jsonpath='{.items[*].metadata.name}'").
Env(c.Env())
if c.kubectl.authTokenProvider != nil {
token, err := c.kubectl.authTokenProvider(ctx, c.Name())
if err != nil {
c.l.Warn(err.Error())
return []string{}
}
sh.Args("--token", token)
}
out, err := sh.Output()
if err != nil {
c.l.Warn(err.Error())
return []string{}
}
return strings.Split(string(out), " ")
}).([]string)
}
//nolint:forcetypeassert
func (c *Cluster) Pods(ctx context.Context, namespace string) []string {
return c.kubectl.cache.Get(c.name+"-"+namespace+"-pods", func() any {
sh := shell.New(ctx, c.l, "kubectl",
"get", "pods",
"-n", namespace,
"-o", "jsonpath='{.items[*].metadata.name}'").
Env(c.Env())
if c.kubectl.authTokenProvider != nil {
token, err := c.kubectl.authTokenProvider(ctx, c.Name())
if err != nil {
c.l.Warn(err.Error())
return []string{}
}
sh.Args("--token", token)
}
out, err := sh.Output()
if err != nil {
c.l.Warn(err.Error())
return []string{}
}
return strings.Split(string(out), " ")
}).([]string)
}