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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 12:08:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 12:08:18 +0000 |
commit | 5da14042f70711ea5cf66e034699730335462f66 (patch) | |
tree | 0f6354ccac934ed87a2d555f45be4c831cf92f4a /src/go/collectors/go.d.plugin/modules/docker/docker.go | |
parent | Releasing debian version 1.44.3-2. (diff) | |
download | netdata-5da14042f70711ea5cf66e034699730335462f66.tar.xz netdata-5da14042f70711ea5cf66e034699730335462f66.zip |
Merging upstream version 1.45.3+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/go/collectors/go.d.plugin/modules/docker/docker.go')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/docker/docker.go | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/docker/docker.go b/src/go/collectors/go.d.plugin/modules/docker/docker.go new file mode 100644 index 000000000..7328a7ca6 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/docker/docker.go @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package docker + +import ( + "context" + _ "embed" + "errors" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" + + "github.com/docker/docker/api/types" + typesContainer "github.com/docker/docker/api/types/container" + typesImage "github.com/docker/docker/api/types/image" + typesSystem "github.com/docker/docker/api/types/system" + docker "github.com/docker/docker/client" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("docker", module.Creator{ + JobConfigSchema: configSchema, + Create: func() module.Module { return New() }, + }) +} + +func New() *Docker { + return &Docker{ + Config: Config{ + Address: docker.DefaultDockerHost, + Timeout: web.Duration(time.Second * 2), + CollectContainerSize: false, + }, + + charts: summaryCharts.Copy(), + newClient: func(cfg Config) (dockerClient, error) { + return docker.NewClientWithOpts(docker.WithHost(cfg.Address)) + }, + containers: make(map[string]bool), + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every" json:"update_every"` + Address string `yaml:"address" json:"address"` + Timeout web.Duration `yaml:"timeout" json:"timeout"` + CollectContainerSize bool `yaml:"collect_container_size" json:"collect_container_size"` +} + +type ( + Docker struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + client dockerClient + newClient func(Config) (dockerClient, error) + + verNegotiated bool + containers map[string]bool + } + dockerClient interface { + NegotiateAPIVersion(context.Context) + Info(context.Context) (typesSystem.Info, error) + ImageList(context.Context, types.ImageListOptions) ([]typesImage.Summary, error) + ContainerList(context.Context, typesContainer.ListOptions) ([]types.Container, error) + Close() error + } +) + +func (d *Docker) Configuration() any { + return d.Config +} + +func (d *Docker) Init() error { + return nil +} + +func (d *Docker) Check() error { + mx, err := d.collect() + if err != nil { + d.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + + } + return nil +} + +func (d *Docker) Charts() *module.Charts { + return d.charts +} + +func (d *Docker) Collect() map[string]int64 { + mx, err := d.collect() + if err != nil { + d.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (d *Docker) Cleanup() { + if d.client == nil { + return + } + if err := d.client.Close(); err != nil { + d.Warningf("error on closing docker client: %v", err) + } + d.client = nil +} |