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auto-update: make output more user friendly

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The rather raw and scarce output of `podman auto-update` has been a
thorn in my eyes for a longer while.  So far, Podman would only print
updated systemd units, one per line, without further formatting.

Motivated by issue #9949 which is asking for some more useful
information in combination with a dry-run feature, I sat down and
reflected which information may come in handy.

Running `podman auto-update` will now look as follows:

```
$ podman auto-update
Trying to pull [...]

UNIT                    CONTAINER            IMAGE                   POLICY      UPDATED
container-test.service  08fd34e533fd (test)  localhost:5000/busybox  registry    false
```

Also refactor the spaghetti code in the backend a bit to make it easier
to digest and maintain.

For easier testing and for the sake of consistency with other commands
listing output, add a `--format` flag.

The man page will get an overhaul in a follow up commit.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2021-06-25 15:58:39 +02:00
parent 6fcf0b2f32
commit 01cfb51fe9
9 changed files with 265 additions and 86 deletions
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2
pkg/domain/entities/engine_container.go
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@ -14,7 +14,7 @@ import (
type ContainerCopyFunc func() error
type ContainerEngine interface {
AutoUpdate(ctx context.Context, options AutoUpdateOptions) (*AutoUpdateReport, []error)
AutoUpdate(ctx context.Context, options AutoUpdateOptions) ([]*AutoUpdateReport, []error)
Config(ctx context.Context) (*config.Config, error)
ContainerAttach(ctx context.Context, nameOrID string, options AttachOptions) error
ContainerCheckpoint(ctx context.Context, namesOrIds []string, options CheckpointOptions) ([]*CheckpointReport, error)