forked from rancher-sandbox/hypper
/
hypper.go
95 lines (80 loc) · 2.28 KB
/
hypper.go
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package main
import (
"io/ioutil"
"os"
"strings"
"github.com/Masterminds/log-go"
logcli "github.com/Masterminds/log-go/impl/cli"
"github.com/mattfarina/hypper/pkg/cli"
"github.com/mattfarina/hypper/pkg/eyecandy"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
helmAction "helm.sh/helm/v3/pkg/action"
kubefake "helm.sh/helm/v3/pkg/kube/fake"
"helm.sh/helm/v3/pkg/release"
"helm.sh/helm/v3/pkg/storage/driver"
)
var settings = cli.New()
func main() {
logger := logcli.NewStandard()
log.Current = logger
actionConfig := new(helmAction.Configuration)
cmd, err := newRootCmd(actionConfig, log.Current, os.Args[1:])
if settings.Debug {
logger.Level = log.DebugLevel
}
if settings.Verbose {
logger.Level = log.TraceLevel
// When verbose is enabled then debug is also enabled
settings.Debug = true
}
if err != nil {
logger.Debug(eyecandy.Magenta("%v"), err)
os.Exit(1)
}
cobra.OnInitialize(func() {
helmDriver := os.Getenv("HELM_DRIVER")
if err := actionConfig.Init(settings.RESTClientGetter(), settings.Namespace(), helmDriver, logger.Debugf); err != nil {
log.Fatal(err)
}
if helmDriver == "memory" {
loadReleasesInMemory(actionConfig)
}
})
if err := cmd.Execute(); err != nil {
logger.Debug(eyecandy.Magenta("%v"), err)
os.Exit(1)
}
}
// This function loads releases into the memory storage if the
// environment variable is properly set.
func loadReleasesInMemory(actionConfig *helmAction.Configuration) {
filePaths := strings.Split(os.Getenv("HELM_MEMORY_DRIVER_DATA"), ":")
if len(filePaths) == 0 {
return
}
store := actionConfig.Releases
mem, ok := store.Driver.(*driver.Memory)
if !ok {
// For an unexpected reason we are not dealing with the memory storage driver.
return
}
actionConfig.KubeClient = &kubefake.PrintingKubeClient{Out: ioutil.Discard}
for _, path := range filePaths {
b, err := ioutil.ReadFile(path)
if err != nil {
log.Fatal("Unable to read memory driver data", err)
}
releases := []*release.Release{}
if err := yaml.Unmarshal(b, &releases); err != nil {
log.Fatal("Unable to unmarshal memory driver data: ", err)
}
for _, rel := range releases {
if err := store.Create(rel); err != nil {
log.Fatal(err)
}
}
}
// Must reset namespace to the proper one
mem.SetNamespace(settings.Namespace())
}