podmanv2 events

add the ability to monitor events

Signed-off-by: Brent Baude <bbaude@redhat.com>

5 files changed, 85 insertions, 0 deletions

diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go
index f1c932ebc..0fe6ae6a7 100644
--- a/pkg/api/handlers/types.go
+++ b/pkg/api/handlers/types.go
@@ -180,6 +180,31 @@ type ExecCreateResponse struct {
 	docker.IDResponse
 }
 
+func (e *Event) ToLibpodEvent() *events.Event {
+	exitCode, err := strconv.Atoi(e.Actor.Attributes["containerExitCode"])
+	if err != nil {
+		return nil
+	}
+	status, err := events.StringToStatus(e.Action)
+	if err != nil {
+		return nil
+	}
+	t, err := events.StringToType(e.Type)
+	if err != nil {
+		return nil
+	}
+	lp := events.Event{
+		ContainerExitCode: exitCode,
+		ID:                e.Actor.ID,
+		Image:             e.Actor.Attributes["image"],
+		Name:              e.Actor.Attributes["name"],
+		Status:            status,
+		Time:              time.Unix(e.Time, e.TimeNano),
+		Type:              t,
+	}
+	return &lp
+}
+
 func EventToApiEvent(e *events.Event) *Event {
 	return &Event{dockerEvents.Message{
 		Type:   e.Type.String(),
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index 2001ab49c..5fdb9a8a6 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -36,6 +36,7 @@ type ContainerEngine interface {
 	ContainerUnmount(ctx context.Context, nameOrIds []string, options ContainerUnmountOptions) ([]*ContainerUnmountReport, error)
 	ContainerUnpause(ctx context.Context, namesOrIds []string, options PauseUnPauseOptions) ([]*PauseUnpauseReport, error)
 	ContainerWait(ctx context.Context, namesOrIds []string, options WaitOptions) ([]WaitReport, error)
+	Events(ctx context.Context, opts EventsOptions) error
 	HealthCheckRun(ctx context.Context, nameOrId string, options HealthCheckOptions) (*define.HealthCheckResults, error)
 	Info(ctx context.Context) (*define.Info, error)
 	PodCreate(ctx context.Context, opts PodCreateOptions) (*PodCreateReport, error)
diff --git a/pkg/domain/entities/types.go b/pkg/domain/entities/types.go
index 7e35957f4..91ae00764 100644
--- a/pkg/domain/entities/types.go
+++ b/pkg/domain/entities/types.go
@@ -3,6 +3,7 @@ package entities
 import (
 	"net"
 
+	"github.com/containers/libpod/libpod/events"
 	"github.com/containers/libpod/pkg/specgen"
 	"github.com/containers/storage/pkg/archive"
 	"github.com/cri-o/ocicni/pkg/ocicni"
@@ -62,3 +63,12 @@ type DiffOptions struct {
 type DiffReport struct {
 	Changes []archive.Change
 }
+
+type EventsOptions struct {
+	FromStart bool
+	EventChan chan *events.Event
+	Filter    []string
+	Stream    bool
+	Since     string
+	Until     string
+}
diff --git a/pkg/domain/infra/abi/events.go b/pkg/domain/infra/abi/events.go
new file mode 100644
index 000000000..9540a5b96
--- /dev/null
+++ b/pkg/domain/infra/abi/events.go
@@ -0,0 +1,18 @@
+//+build ABISupport
+
+package abi
+
+import (
+	"context"
+
+	"github.com/containers/libpod/libpod/events"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/sirupsen/logrus"
+)
+
+func (ic *ContainerEngine) Events(ctx context.Context, opts entities.EventsOptions) error {
+	readOpts := events.ReadOptions{FromStart: opts.FromStart, Stream: opts.Stream, Filters: opts.Filter, EventChannel: opts.EventChan, Since: opts.Since, Until: opts.Until}
+	err := ic.Libpod.Events(readOpts)
+	logrus.Error(err)
+	return err
+}
diff --git a/pkg/domain/infra/tunnel/events.go b/pkg/domain/infra/tunnel/events.go
new file mode 100644
index 000000000..46d88341a
--- /dev/null
+++ b/pkg/domain/infra/tunnel/events.go
@@ -0,0 +1,31 @@
+package tunnel
+
+import (
+	"context"
+	"strings"
+
+	"github.com/containers/libpod/pkg/api/handlers"
+	"github.com/containers/libpod/pkg/bindings/system"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/pkg/errors"
+)
+
+func (ic *ContainerEngine) Events(ctx context.Context, opts entities.EventsOptions) error {
+	filters := make(map[string][]string)
+	if len(opts.Filter) > 0 {
+		for _, filter := range opts.Filter {
+			split := strings.Split(filter, "=")
+			if len(split) < 2 {
+				return errors.Errorf("invalid filter %q", filter)
+			}
+			filters[split[0]] = append(filters[split[0]], strings.Join(split[1:], "="))
+		}
+	}
+	binChan := make(chan handlers.Event)
+	go func() {
+		for e := range binChan {
+			opts.EventChan <- e.ToLibpodEvent()
+		}
+	}()
+	return system.Events(ic.ClientCxt, binChan, nil, &opts.Since, &opts.Until, filters)
+}