137 lines
3.9 KiB
Go
137 lines
3.9 KiB
Go
package cmd
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import (
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"fmt"
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"io"
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wisski_distillery "github.com/FAU-CDI/wisski-distillery"
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"github.com/FAU-CDI/wisski-distillery/internal/cli"
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"github.com/FAU-CDI/wisski-distillery/internal/dis"
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"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
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"github.com/FAU-CDI/wisski-distillery/internal/wisski"
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"github.com/FAU-CDI/wisski-distillery/pkg/logging"
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"github.com/tkw1536/goprogram/exit"
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"github.com/tkw1536/goprogram/status"
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)
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// SystemPause is the 'system_pause' command
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var SystemPause wisski_distillery.Command = systempause{}
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type systempause struct {
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Stop bool `short:"d" long:"stop" description:"stop all the components"`
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Start bool `short:"u" long:"start" description:"start all the components"`
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}
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func (systempause) Description() wisski_distillery.Description {
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return wisski_distillery.Description{
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Requirements: cli.Requirements{
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NeedsDistillery: true,
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},
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Command: "system_pause",
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Description: "stops or starts the entire distillery system",
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}
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}
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var errStopStartExcluded = exit.Error{
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Message: "exactly one of `--stop` and `--start` must be provied",
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ExitCode: exit.ExitCommandArguments,
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}
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func (s systempause) AfterParse() error {
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if s.Stop == s.Start {
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return errStopStartExcluded
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}
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return nil
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}
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func (sp systempause) Run(context wisski_distillery.Context) error {
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if sp.Start {
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return sp.start(context, context.Environment)
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} else {
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return sp.stop(context, context.Environment)
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}
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}
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func (sp systempause) start(context wisski_distillery.Context, dis *dis.Distillery) error {
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logging.LogMessage(context.Stderr, context.Context, "Starting Components")
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// find all the core stacks
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if err := status.RunErrorGroup(context.Stderr, status.Group[component.Installable, error]{
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PrefixString: func(item component.Installable, index int) string {
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return fmt.Sprintf("[up %q]: ", item.Name())
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},
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PrefixAlign: true,
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Handler: func(item component.Installable, index int, writer io.Writer) error {
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return item.Stack(context.Environment.Environment).Up(context.Context, writer)
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},
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}, dis.Installable()); err != nil {
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return err
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}
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logging.LogMessage(context.Stderr, context.Context, "Starting Up WissKIs")
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// find the instances
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wissKIs, err := dis.Instances().All(context.Context)
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if err != nil {
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return err
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}
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// shut them all down
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if err := status.RunErrorGroup(context.Stderr, status.Group[*wisski.WissKI, error]{
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PrefixString: func(item *wisski.WissKI, index int) string {
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return fmt.Sprintf("[up %q]: ", item.Slug)
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},
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PrefixAlign: true,
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Handler: func(item *wisski.WissKI, index int, writer io.Writer) error {
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return item.Barrel().Stack().Up(context.Context, writer)
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},
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}, wissKIs); err != nil {
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return err
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}
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return nil
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}
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func (sp systempause) stop(context wisski_distillery.Context, dis *dis.Distillery) error {
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logging.LogMessage(context.Stderr, context.Context, "Shutting Down WissKIs")
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// find the instances
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wissKIs, err := dis.Instances().All(context.Context)
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if err != nil {
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return err
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}
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// shut them all down
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if err := status.RunErrorGroup(context.Stderr, status.Group[*wisski.WissKI, error]{
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PrefixString: func(item *wisski.WissKI, index int) string {
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return fmt.Sprintf("[down %q]: ", item.Slug)
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},
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PrefixAlign: true,
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Handler: func(item *wisski.WissKI, index int, writer io.Writer) error {
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return item.Barrel().Stack().Down(context.Context, writer)
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},
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}, wissKIs); err != nil {
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return err
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}
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logging.LogMessage(context.Stderr, context.Context, "Shutting Down Components")
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// find all the core stacks
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if err := status.RunErrorGroup(context.Stderr, status.Group[component.Installable, error]{
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PrefixString: func(item component.Installable, index int) string {
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return fmt.Sprintf("[down %q]: ", item.Name())
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},
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PrefixAlign: true,
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Handler: func(item component.Installable, index int, writer io.Writer) error {
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return item.Stack(context.Environment.Environment).Down(context.Context, writer)
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},
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}, dis.Installable()); err != nil {
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return err
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}
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return nil
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}
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