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Add event logging to libpod, even display to podman

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In lipod, we now log major events that occurr.  These events
can be displayed using the `podman events` command. Each
event contains:

* Type (container, image, volume, pod...)
* Status (create, rm, stop, kill, ....)
* Timestamp in RFC3339Nano format
* Name (if applicable)
* Image (if applicable)

The format of the event and the varlink endpoint are to not
be considered stable until cockpit has done its enablement.

Signed-off-by: baude <bbaude@redhat.com>
This commit is contained in:
baude
2019-02-28 14:15:56 -06:00
parent 6421208e0f
commit ca1e76ff63
33 changed files with 1173 additions and 64 deletions
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13
libpod/pod_api.go
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@ -3,6 +3,7 @@ package libpod
import (
"context"
"github.com/containers/libpod/libpod/events"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/ulule/deepcopier"
@ -58,7 +59,7 @@ func (p *Pod) Start(ctx context.Context) (map[string]error, error) {
if len(ctrErrors) > 0 {
return ctrErrors, errors.Wrapf(ErrCtrExists, "error starting some containers")
}
defer p.newPodEvent(events.Start)
return nil, nil
}
@ -138,7 +139,7 @@ func (p *Pod) StopWithTimeout(ctx context.Context, cleanup bool, timeout int) (m
if len(ctrErrors) > 0 {
return ctrErrors, errors.Wrapf(ErrCtrExists, "error stopping some containers")
}
defer p.newPodEvent(events.Stop)
return nil, nil
}
@ -197,7 +198,7 @@ func (p *Pod) Pause() (map[string]error, error) {
if len(ctrErrors) > 0 {
return ctrErrors, errors.Wrapf(ErrCtrExists, "error pausing some containers")
}
defer p.newPodEvent(events.Pause)
return nil, nil
}
@ -257,6 +258,7 @@ func (p *Pod) Unpause() (map[string]error, error) {
return ctrErrors, errors.Wrapf(ErrCtrExists, "error unpausing some containers")
}
defer p.newPodEvent(events.Unpause)
return nil, nil
}
@ -309,7 +311,8 @@ func (p *Pod) Restart(ctx context.Context) (map[string]error, error) {
if len(ctrErrors) > 0 {
return ctrErrors, errors.Wrapf(ErrCtrExists, "error stopping some containers")
}
p.newPodEvent(events.Stop)
p.newPodEvent(events.Start)
return nil, nil
}
@ -367,7 +370,7 @@ func (p *Pod) Kill(signal uint) (map[string]error, error) {
if len(ctrErrors) > 0 {
return ctrErrors, errors.Wrapf(ErrCtrExists, "error killing some containers")
}
defer p.newPodEvent(events.Kill)
return nil, nil
}