From d1c26af144b314f30cd69d42e33ab8cbacb080ff Mon Sep 17 00:00:00 2001
From: Brent Baude <bbaude@redhat.com>
Date: Sat, 14 Mar 2020 14:01:20 -0500
Subject: apiv2 add bindings for logs|events

add go-bindings for logs and events. tests were also added.

Signed-off-by: Brent Baude <bbaude@redhat.com>
---
 pkg/bindings/system/system.go | 61 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 pkg/bindings/system/system.go

(limited to 'pkg/bindings/system/system.go')

diff --git a/pkg/bindings/system/system.go b/pkg/bindings/system/system.go
new file mode 100644
index 000000000..fce8bbb8e
--- /dev/null
+++ b/pkg/bindings/system/system.go
@@ -0,0 +1,61 @@
+package system
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/url"
+
+	"github.com/containers/libpod/pkg/api/handlers"
+	"github.com/containers/libpod/pkg/bindings"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+// Events allows you to monitor libdpod related events like container creation and
+// removal.  The events are then passed to the eventChan provided. The optional cancelChan
+// can be used to cancel the read of events and close down the HTTP connection.
+func Events(ctx context.Context, eventChan chan (handlers.Event), cancelChan chan bool, since, until *string, filters map[string][]string) error {
+	conn, err := bindings.GetClient(ctx)
+	if err != nil {
+		return err
+	}
+	params := url.Values{}
+	if since != nil {
+		params.Set("since", *since)
+	}
+	if until != nil {
+		params.Set("until", *until)
+	}
+	if filters != nil {
+		filterString, err := bindings.FiltersToString(filters)
+		if err != nil {
+			return errors.Wrap(err, "invalid filters")
+		}
+		params.Set("filters", filterString)
+	}
+	response, err := conn.DoRequest(nil, http.MethodGet, "/events", params)
+	if err != nil {
+		return err
+	}
+	if cancelChan != nil {
+		go func() {
+			<-cancelChan
+			err = response.Body.Close()
+			logrus.Error(errors.Wrap(err, "unable to close event response body"))
+		}()
+	}
+	dec := json.NewDecoder(response.Body)
+	for {
+		e := handlers.Event{}
+		if err := dec.Decode(&e); err != nil {
+			if err == io.EOF {
+				break
+			}
+			return errors.Wrap(err, "unable to decode event response")
+		}
+		eventChan <- e
+	}
+	return nil
+}
-- 
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