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/
kustomize.go
153 lines (130 loc) · 4.14 KB
/
kustomize.go
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package ship
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/pkg/errors"
"github.com/replicatedhq/ship/pkg/api"
"github.com/replicatedhq/ship/pkg/specs"
"github.com/replicatedhq/ship/pkg/state"
"github.com/replicatedhq/ship/pkg/util/warnings"
)
func (s *Ship) InitAndMaybeExit(ctx context.Context) error {
if err := s.Init(ctx); err != nil {
s.ExitWithError(err)
return err
}
return nil
}
func (s *Ship) Init(ctx context.Context) error {
debug := level.Debug(log.With(s.Logger, "method", "init"))
ctx, cancelFunc := context.WithCancel(ctx)
defer s.Shutdown(cancelFunc)
removeExistingState := !s.Viper.GetBool("preserve-state")
if os.Getenv("PRELOAD_TEST_STATE") == "1" {
if err := s.maybeWriteStateFromFile(); err != nil {
return err
}
}
if s.Viper.GetString("raw") != "" {
release := s.fakeKustomizeRawRelease()
return s.execute(ctx, release, nil)
}
if s.Viper.GetString("helm-values-file") != "" {
_, err := filepath.Abs(s.Viper.GetString("helm-values-file"))
if err != nil {
return warnings.WarnFileNotFound(s.Viper.GetString("helm-values-file"))
}
}
existingState, _ := s.State.CachedState()
if !existingState.IsEmpty() && s.Viper.GetString("state-file") == "" {
debug.Log("event", "existing.state")
if s.Viper.GetString("state-from") != "file" {
debug.Log("event", "existing.state", "state-from", "not file")
return warnings.WarnCannotRemoveState
}
if removeExistingState {
if err := s.promptToRemoveState(); err != nil {
debug.Log("event", "state.remove.prompt.fail")
return err
}
} else {
s.UI.Info("Preserving current state")
if !s.upstreamMatchesExisting(existingState) {
return errors.New(fmt.Sprintf("Upstream %s does not match upstream from state %s", s.Viper.GetString("upstream"), existingState.Upstream()))
}
}
}
if removeExistingState && os.Getenv("PRELOAD_TEST_STATE") != "1" {
if err := s.maybeWriteStateFromFile(); err != nil {
return err
}
}
s.State.UpdateVersion()
// we already check in the CMD, but no harm in being extra safe here
target := s.Viper.GetString("upstream")
if target == "" {
return errors.New("No upstream provided")
}
p := s.Resolver.NewContentProcessor()
maybeVersionedUpstream, err := p.MaybeResolveVersionedUpstream(ctx, target, existingState)
if err != nil {
return errors.Wrap(err, "create versioned release")
}
release, err := s.Resolver.ResolveRelease(ctx, maybeVersionedUpstream)
if err != nil {
return errors.Wrap(err, "resolve release")
}
release.Spec.Lifecycle = s.IDPatcher.EnsureAllStepsHaveUniqueIDs(release.Spec.Lifecycle)
if err := s.execute(ctx, release, nil); err != nil {
return errors.Wrap(err, "execute")
}
if err := s.State.CommitState(); err != nil {
return errors.Wrap(err, "commit state")
}
return nil
}
func (s *Ship) promptToRemoveState() error {
debug := level.Debug(log.With(s.Logger, "event", "promptToRemoveState"))
debug.Log("event", "state.exists")
if os.Getenv("RM_STATE") == "1" {
if err := s.State.RemoveStateFile(); err != nil {
return errors.Wrap(err, "remove existing state")
}
} else {
s.UI.Warn(`
An existing .ship directory was found. If you are trying to update this application, run "ship update".
Continuing will delete this state, would you like to continue? There is no undo.`)
useUpdate, err := s.UI.Ask(`
Start from scratch? (y/N): `)
if err != nil {
return err
}
useUpdate = strings.ToLower(strings.Trim(useUpdate, " \r\n"))
if useUpdate == "y" {
// remove state.json and start from scratch
if err := s.State.RemoveStateFile(); err != nil {
return errors.Wrap(err, "remove existing state")
}
} else {
// exit and use 'ship update'
return warnings.WarnShouldUseUpdate
}
}
return nil
}
func (s *Ship) fakeKustomizeRawRelease() *api.Release {
r := specs.Resolver{Viper: s.Viper}
return &api.Release{
Spec: r.DefaultRawRelease(s.KustomizeRaw),
}
}
func (s *Ship) upstreamMatchesExisting(existing state.State) bool {
currentUpstream := s.Viper.GetString("upstream")
existingUpstream := existing.Upstream()
return currentUpstream == existingUpstream
}