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daemon.go
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daemon.go
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package headless
import (
"context"
"path"
"strings"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/mitchellh/cli"
"github.com/pkg/errors"
"github.com/replicatedhq/ship/pkg/api"
"github.com/replicatedhq/ship/pkg/constants"
"github.com/replicatedhq/ship/pkg/lifecycle/daemon/daemontypes"
"github.com/replicatedhq/ship/pkg/lifecycle/render/config/resolve"
"github.com/replicatedhq/ship/pkg/state"
"github.com/spf13/afero"
"github.com/spf13/viper"
)
var _ daemontypes.Daemon = &HeadlessDaemon{}
type HeadlessDaemon struct {
StateManager state.Manager
Logger log.Logger
UI cli.Ui
ConfigRenderer *resolve.APIConfigRenderer
FS afero.Afero
ResolvedConfig map[string]interface{}
YesApplyTerraform bool
}
func (d *HeadlessDaemon) AwaitShutdown() error {
return nil
}
func NewHeadlessDaemon(
ui cli.Ui,
logger log.Logger,
renderer *resolve.APIConfigRenderer,
stateManager state.Manager,
fs afero.Afero,
v *viper.Viper,
) daemontypes.Daemon {
return &HeadlessDaemon{
StateManager: stateManager,
Logger: logger,
UI: ui,
ConfigRenderer: renderer,
FS: fs,
YesApplyTerraform: v.GetBool("terraform-apply-yes"),
}
}
func (d *HeadlessDaemon) PushKustomizeStep(context.Context, daemontypes.Kustomize) {}
func (d *HeadlessDaemon) PushMessageStep(context.Context, daemontypes.Message, []daemontypes.Action) {}
func (d *HeadlessDaemon) PushRenderStep(context.Context, daemontypes.Render) {}
func (d *HeadlessDaemon) KustomizeSavedChan() chan interface{} {
ch := make(chan interface{}, 1)
level.Debug(d.Logger).Log("event", "kustomize.skip", "detail", "running in automation, not waiting for kustomize")
ch <- nil
return ch
}
func (d *HeadlessDaemon) UnforkSavedChan() chan interface{} {
ch := make(chan interface{}, 1)
ch <- nil
return ch
}
func (d *HeadlessDaemon) PushHelmIntroStep(context.Context, daemontypes.HelmIntro, []daemontypes.Action) {
}
func (d *HeadlessDaemon) PushHelmValuesStep(ctx context.Context, helmValues daemontypes.HelmValues, actions []daemontypes.Action) {
warn := level.Warn(log.With(d.Logger, "struct", "HeadlessDaemon", "method", "PushHelmValuesStep"))
defaultValues := helmValues.DefaultValues
if defaultValues == "" {
v, err := d.FS.ReadFile(path.Join(constants.HelmChartPath, "values.yaml"))
if err != nil {
warn.Log("event", "push helm values fail while reading defaults", "err", err)
} else {
defaultValues = string(v)
}
}
if err := d.HeadlessSaveHelmValues(ctx, helmValues.Values, defaultValues); err != nil {
warn.Log("event", "push helm values step fail", "err", err)
}
}
func (d *HeadlessDaemon) HeadlessSaveHelmValues(ctx context.Context, helmValues, defaultValues string) error {
warn := level.Warn(log.With(d.Logger, "struct", "HeadlessDaemon", "method", "HeadlessSaveHelmValues"))
err := d.StateManager.SerializeHelmValues(helmValues, defaultValues)
if err != nil {
warn.Log("event", "headless save helm values fail", "err", err)
return errors.Wrap(err, "write new values")
}
return nil
}
func (d *HeadlessDaemon) PushStreamStep(context.Context, <-chan daemontypes.Message) {}
func (d *HeadlessDaemon) CleanPreviousStep() {}
func (d *HeadlessDaemon) TerraformConfirmedChan() chan bool {
ch := make(chan bool, 1)
if !d.YesApplyTerraform {
level.Info(d.Logger).Log("event", "terraform.skip", "detail", "skipping running terraform because --terraform-apply-yes was not set")
ch <- false
return ch
}
level.Info(d.Logger).Log("event", "terraform.apply", "detail", "running terraform because --terraform-apply-yes was set")
ch <- true
return ch
}
func (d *HeadlessDaemon) EnsureStarted(ctx context.Context, release *api.Release) chan error {
warn := level.Warn(log.With(d.Logger, "struct", "fakeDaemon", "method", "EnsureStarted"))
chanerrors := make(chan error)
if err := d.HeadlessResolve(ctx, release); err != nil {
warn.Log("event", "headless resolved failed", "err", err)
go func() {
chanerrors <- err
close(chanerrors)
}()
}
return chanerrors
}
func (d *HeadlessDaemon) SetStepName(context.Context, string) {}
func (d *HeadlessDaemon) AllStepsDone(context.Context) {}
func (d *HeadlessDaemon) MessageConfirmedChan() chan string {
ch := make(chan string)
close(ch)
return ch
}
func (d *HeadlessDaemon) ConfigSavedChan() chan interface{} {
ch := make(chan interface{})
close(ch)
return ch
}
func (d *HeadlessDaemon) GetCurrentConfig() (map[string]interface{}, error) {
if d.ResolvedConfig != nil {
return d.ResolvedConfig, nil
}
warn := level.Warn(log.With(d.Logger, "struct", "fakeDaemon", "method", "getCurrentConfig"))
currentConfig, err := d.StateManager.CachedState()
if err != nil {
warn.Log("event", "state missing", "err", err)
return nil, err
}
config, err := currentConfig.CurrentConfig()
if err != nil {
warn.Log("event", "get config", "err", err)
return nil, err
}
return config, nil
}
func (d *HeadlessDaemon) HeadlessResolve(ctx context.Context, release *api.Release) error {
warn := level.Warn(log.With(d.Logger, "struct", "fakeDaemon", "method", "HeadlessResolve"))
currentConfig, err := d.GetCurrentConfig()
if err != nil {
warn.Log("event", "get config failed", "err", err)
return err
}
resolved, err := d.ConfigRenderer.ResolveConfig(ctx, release, currentConfig, make(map[string]interface{}), false)
if err != nil {
warn.Log("event", "resolveconfig failed", "err", err)
return err
}
if validateState := resolve.ValidateConfig(resolved); validateState != nil {
var invalidItemNames []string
for _, invalidConfigItems := range validateState {
invalidItemNames = append(invalidItemNames, invalidConfigItems.Name)
}
err := errors.Errorf(
"validate config failed. missing config values: %s",
strings.Join(invalidItemNames, ","),
)
warn.Log("event", "state invalid", "err", err)
return err
}
templateContext := make(map[string]interface{})
for _, configGroup := range resolved {
for _, configItem := range configGroup.Items {
templateContext[configItem.Name] = configItem.Value
}
}
d.ResolvedConfig = templateContext
return nil
}
func (d *HeadlessDaemon) SetProgress(progress daemontypes.Progress) {
if progress.Type == "string" {
d.UI.Output(progress.Detail)
}
}
func (d *HeadlessDaemon) ClearProgress() {}