1 files changed, 124 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/docker_engine/docker_engine.go b/src/go/collectors/go.d.plugin/modules/docker_engine/docker_engine.go
new file mode 100644
index 000000000..629048dcd
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/docker_engine/docker_engine.go
@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package docker_engine
+
+import (
+	_ "embed"
+	"errors"
+	"time"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/prometheus"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("docker_engine", module.Creator{
+		JobConfigSchema: configSchema,
+		Create:          func() module.Module { return New() },
+	})
+}
+
+func New() *DockerEngine {
+	return &DockerEngine{
+		Config: Config{
+			HTTP: web.HTTP{
+				Request: web.Request{
+					URL: "http://127.0.0.1:9323/metrics",
+				},
+				Client: web.Client{
+					Timeout: web.Duration(time.Second),
+				},
+			},
+		},
+	}
+}
+
+type Config struct {
+	web.HTTP    `yaml:",inline" json:""`
+	UpdateEvery int `yaml:"update_every" json:"update_every"`
+}
+
+type DockerEngine struct {
+	module.Base
+	Config `yaml:",inline" json:""`
+
+	prom prometheus.Prometheus
+
+	isSwarmManager     bool
+	hasContainerStates bool
+}
+
+func (de *DockerEngine) Configuration() any {
+	return de.Config
+}
+
+func (de *DockerEngine) Init() error {
+	if err := de.validateConfig(); err != nil {
+		de.Errorf("config validation: %v", err)
+		return err
+	}
+
+	prom, err := de.initPrometheusClient()
+	if err != nil {
+		de.Error(err)
+		return err
+	}
+	de.prom = prom
+
+	return nil
+}
+
+func (de *DockerEngine) Check() error {
+	mx, err := de.collect()
+	if err != nil {
+		de.Error(err)
+		return err
+	}
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+
+	}
+	return nil
+}
+
+func (de *DockerEngine) Charts() *Charts {
+	cs := charts.Copy()
+	if !de.hasContainerStates {
+		if err := cs.Remove("engine_daemon_container_states_containers"); err != nil {
+			de.Warning(err)
+		}
+	}
+
+	if !de.isSwarmManager {
+		return cs
+	}
+
+	if err := cs.Add(*swarmManagerCharts.Copy()...); err != nil {
+		de.Warning(err)
+	}
+
+	return cs
+}
+
+func (de *DockerEngine) Collect() map[string]int64 {
+	mx, err := de.collect()
+	if err != nil {
+		de.Error(err)
+		return nil
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (de *DockerEngine) Cleanup() {
+	if de.prom != nil && de.prom.HTTPClient() != nil {
+		de.prom.HTTPClient().CloseIdleConnections()
+	}
+}