parent
08395de355
commit
0379c7309c
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@ -48,6 +48,7 @@ be deprecated eventually.
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- [#2201](https://github.com/influxdata/telegraf/pull/2201): Add lock option to the IPtables input plugin.
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- [#2244](https://github.com/influxdata/telegraf/pull/2244): Support ipmi_sensor plugin querying local ipmi sensors.
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- [#2339](https://github.com/influxdata/telegraf/pull/2339): Increment gather_errors for all errors emitted by inputs.
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- [#2071](https://github.com/influxdata/telegraf/issues/2071): Use official docker SDK.
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### Bugfixes
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5
Godeps
5
Godeps
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@ -9,10 +9,7 @@ github.com/couchbase/go-couchbase bfe555a140d53dc1adf390f1a1d4b0fd4ceadb28
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github.com/couchbase/gomemcached 4a25d2f4e1dea9ea7dd76dfd943407abf9b07d29
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github.com/couchbase/goutils 5823a0cbaaa9008406021dc5daf80125ea30bba6
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github.com/davecgh/go-spew 346938d642f2ec3594ed81d874461961cd0faa76
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github.com/docker/distribution fb0bebc4b64e3881cc52a2478d749845ed76d2a8
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github.com/docker/engine-api 4290f40c056686fcaa5c9caf02eac1dde9315adf
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github.com/docker/go-connections 9670439d95da2651d9dfc7acc5d2ed92d3f25ee6
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github.com/docker/go-units 0dadbb0345b35ec7ef35e228dabb8de89a65bf52
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github.com/docker/docker b89aff1afa1f61993ab2ba18fd62d9375a195f5d
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github.com/eapache/go-resiliency b86b1ec0dd4209a588dc1285cdd471e73525c0b3
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github.com/eapache/go-xerial-snappy bb955e01b9346ac19dc29eb16586c90ded99a98c
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github.com/eapache/queue 44cc805cf13205b55f69e14bcb69867d1ae92f98
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@ -16,12 +16,20 @@ for the stat structure can be found
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```
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# Read metrics about docker containers
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[[inputs.docker]]
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# Docker Endpoint
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# To use TCP, set endpoint = "tcp://[ip]:[port]"
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# To use environment variables (ie, docker-machine), set endpoint = "ENV"
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## Docker Endpoint
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## To use TCP, set endpoint = "tcp://[ip]:[port]"
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## To use environment variables (ie, docker-machine), set endpoint = "ENV"
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endpoint = "unix:///var/run/docker.sock"
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# Only collect metrics for these containers, collect all if empty
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## Only collect metrics for these containers, collect all if empty
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container_names = []
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## Timeout for docker list, info, and stats commands
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timeout = "5s"
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## Whether to report for each container per-device blkio (8:0, 8:1...) and
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## network (eth0, eth1, ...) stats or not
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perdevice = true
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## Whether to report for each container total blkio and network stats or not
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total = false
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```
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### Measurements & Fields:
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@ -1,6 +1,7 @@
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package system
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package docker
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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@ -11,10 +12,9 @@ import (
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"sync"
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"time"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/client"
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"github.com/docker/engine-api/client"
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"github.com/docker/engine-api/types"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/internal"
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"github.com/influxdata/telegraf/plugins/inputs"
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@ -28,15 +28,46 @@ type Docker struct {
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PerDevice bool `toml:"perdevice"`
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Total bool `toml:"total"`
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client DockerClient
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client *client.Client
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engine_host string
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testing bool
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}
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// DockerClient interface, useful for testing
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type DockerClient interface {
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Info(ctx context.Context) (types.Info, error)
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ContainerList(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error)
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ContainerStats(ctx context.Context, containerID string, stream bool) (io.ReadCloser, error)
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// infoWrapper wraps client.Client.List for testing.
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func infoWrapper(c *client.Client, ctx context.Context) (types.Info, error) {
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if c != nil {
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return c.Info(ctx)
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}
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fc := FakeDockerClient{}
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return fc.Info(ctx)
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}
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// listWrapper wraps client.Client.ContainerList for testing.
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func listWrapper(
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c *client.Client,
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ctx context.Context,
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options types.ContainerListOptions,
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) ([]types.Container, error) {
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if c != nil {
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return c.ContainerList(ctx, options)
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}
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fc := FakeDockerClient{}
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return fc.ContainerList(ctx, options)
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}
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// statsWrapper wraps client.Client.ContainerStats for testing.
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func statsWrapper(
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c *client.Client,
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ctx context.Context,
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containerID string,
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stream bool,
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) (types.ContainerStats, error) {
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if c != nil {
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return c.ContainerStats(ctx, containerID, stream)
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}
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fc := FakeDockerClient{}
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return fc.ContainerStats(ctx, containerID, stream)
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}
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// KB, MB, GB, TB, PB...human friendly
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@ -80,7 +111,7 @@ func (d *Docker) SampleConfig() string { return sampleConfig }
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// Gather starts stats collection
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func (d *Docker) Gather(acc telegraf.Accumulator) error {
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if d.client == nil {
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if d.client == nil && !d.testing {
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var c *client.Client
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var err error
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defaultHeaders := map[string]string{"User-Agent": "engine-api-cli-1.0"}
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@ -113,7 +144,7 @@ func (d *Docker) Gather(acc telegraf.Accumulator) error {
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opts := types.ContainerListOptions{}
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ctx, cancel := context.WithTimeout(context.Background(), d.Timeout.Duration)
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defer cancel()
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containers, err := d.client.ContainerList(ctx, opts)
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containers, err := listWrapper(d.client, ctx, opts)
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if err != nil {
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return err
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}
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@ -144,7 +175,7 @@ func (d *Docker) gatherInfo(acc telegraf.Accumulator) error {
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// Get info from docker daemon
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ctx, cancel := context.WithTimeout(context.Background(), d.Timeout.Duration)
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defer cancel()
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info, err := d.client.Info(ctx)
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info, err := infoWrapper(d.client, ctx)
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if err != nil {
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return err
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}
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@ -247,12 +278,12 @@ func (d *Docker) gatherContainer(
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ctx, cancel := context.WithTimeout(context.Background(), d.Timeout.Duration)
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defer cancel()
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r, err := d.client.ContainerStats(ctx, container.ID, false)
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r, err := statsWrapper(d.client, ctx, container.ID, false)
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if err != nil {
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return fmt.Errorf("Error getting docker stats: %s", err.Error())
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}
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defer r.Close()
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dec := json.NewDecoder(r)
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defer r.Body.Close()
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dec := json.NewDecoder(r.Body)
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if err = dec.Decode(&v); err != nil {
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if err == io.EOF {
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return nil
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@ -1,18 +1,12 @@
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package system
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package docker
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import (
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"io"
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"io/ioutil"
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"strings"
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"testing"
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"time"
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"golang.org/x/net/context"
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"github.com/docker/engine-api/types"
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"github.com/docker/engine-api/types/registry"
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"github.com/influxdata/telegraf/testutil"
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"github.com/docker/docker/api/types"
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"github.com/stretchr/testify/require"
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)
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@ -250,146 +244,14 @@ func testStats() *types.StatsJSON {
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return stats
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}
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type FakeDockerClient struct {
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}
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func (d FakeDockerClient) Info(ctx context.Context) (types.Info, error) {
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env := types.Info{
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Containers: 108,
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ContainersRunning: 98,
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ContainersStopped: 6,
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ContainersPaused: 3,
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OomKillDisable: false,
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SystemTime: "2016-02-24T00:55:09.15073105-05:00",
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NEventsListener: 0,
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ID: "5WQQ:TFWR:FDNG:OKQ3:37Y4:FJWG:QIKK:623T:R3ME:QTKB:A7F7:OLHD",
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Debug: false,
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LoggingDriver: "json-file",
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KernelVersion: "4.3.0-1-amd64",
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IndexServerAddress: "https://index.docker.io/v1/",
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MemTotal: 3840757760,
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Images: 199,
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CPUCfsQuota: true,
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Name: "absol",
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SwapLimit: false,
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IPv4Forwarding: true,
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ExperimentalBuild: false,
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CPUCfsPeriod: true,
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RegistryConfig: ®istry.ServiceConfig{
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IndexConfigs: map[string]*registry.IndexInfo{
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"docker.io": {
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Name: "docker.io",
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Mirrors: []string{},
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Official: true,
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Secure: true,
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},
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}, InsecureRegistryCIDRs: []*registry.NetIPNet{{IP: []byte{127, 0, 0, 0}, Mask: []byte{255, 0, 0, 0}}}, Mirrors: []string{}},
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OperatingSystem: "Linux Mint LMDE (containerized)",
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BridgeNfIptables: true,
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HTTPSProxy: "",
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Labels: []string{},
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MemoryLimit: false,
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DriverStatus: [][2]string{{"Pool Name", "docker-8:1-1182287-pool"}, {"Pool Blocksize", "65.54 kB"}, {"Backing Filesystem", "extfs"}, {"Data file", "/dev/loop0"}, {"Metadata file", "/dev/loop1"}, {"Data Space Used", "17.3 GB"}, {"Data Space Total", "107.4 GB"}, {"Data Space Available", "36.53 GB"}, {"Metadata Space Used", "20.97 MB"}, {"Metadata Space Total", "2.147 GB"}, {"Metadata Space Available", "2.127 GB"}, {"Udev Sync Supported", "true"}, {"Deferred Removal Enabled", "false"}, {"Data loop file", "/var/lib/docker/devicemapper/devicemapper/data"}, {"Metadata loop file", "/var/lib/docker/devicemapper/devicemapper/metadata"}, {"Library Version", "1.02.115 (2016-01-25)"}},
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NFd: 19,
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HTTPProxy: "",
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Driver: "devicemapper",
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NGoroutines: 39,
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NCPU: 4,
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DockerRootDir: "/var/lib/docker",
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NoProxy: "",
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BridgeNfIP6tables: true,
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}
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return env, nil
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}
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func (d FakeDockerClient) ContainerList(octx context.Context, options types.ContainerListOptions) ([]types.Container, error) {
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container1 := types.Container{
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ID: "e2173b9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296b7dfb",
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Names: []string{"/etcd"},
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Image: "quay.io/coreos/etcd:v2.2.2",
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Command: "/etcd -name etcd0 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
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Created: 1455941930,
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Status: "Up 4 hours",
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Ports: []types.Port{
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types.Port{
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PrivatePort: 7001,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 4001,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2380,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2379,
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PublicPort: 2379,
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Type: "tcp",
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IP: "0.0.0.0",
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},
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},
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SizeRw: 0,
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SizeRootFs: 0,
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}
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container2 := types.Container{
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ID: "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
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Names: []string{"/etcd2"},
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Image: "quay.io:4443/coreos/etcd:v2.2.2",
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Command: "/etcd -name etcd2 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
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Created: 1455941933,
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Status: "Up 4 hours",
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Ports: []types.Port{
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types.Port{
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PrivatePort: 7002,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 4002,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2381,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2382,
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PublicPort: 2382,
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Type: "tcp",
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IP: "0.0.0.0",
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},
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},
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SizeRw: 0,
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SizeRootFs: 0,
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}
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containers := []types.Container{container1, container2}
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return containers, nil
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//#{e6a96c84ca91a5258b7cb752579fb68826b68b49ff957487695cd4d13c343b44 titilambert/snmpsim /bin/sh -c 'snmpsimd --agent-udpv4-endpoint=0.0.0.0:31161 --process-user=root --process-group=user' 1455724831 Up 4 hours [{31161 31161 udp 0.0.0.0}] 0 0 [/snmp] map[]}]2016/02/24 01:05:01 Gathered metrics, (3s interval), from 1 inputs in 1.233836656s
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}
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func (d FakeDockerClient) ContainerStats(ctx context.Context, containerID string, stream bool) (io.ReadCloser, error) {
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var stat io.ReadCloser
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jsonStat := `{"read":"2016-02-24T11:42:27.472459608-05:00","memory_stats":{"stats":{},"limit":18935443456},"blkio_stats":{"io_service_bytes_recursive":[{"major":252,"minor":1,"op":"Read","value":753664},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":753664},{"major":252,"minor":1,"op":"Total","value":753664}],"io_serviced_recursive":[{"major":252,"minor":1,"op":"Read","value":26},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":26},{"major":252,"minor":1,"op":"Total","value":26}]},"cpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052607520000000,"throttling_data":{}},"precpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052599550000000,"throttling_data":{}}}`
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stat = ioutil.NopCloser(strings.NewReader(jsonStat))
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return stat, nil
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}
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func TestDockerGatherInfo(t *testing.T) {
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var acc testutil.Accumulator
|
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client := FakeDockerClient{}
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d := Docker{client: client}
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d := Docker{
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client: nil,
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testing: true,
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}
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err := d.Gather(&acc)
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require.NoError(t, err)
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acc.AssertContainsTaggedFields(t,
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|
|
|
@ -0,0 +1,143 @@
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package docker
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|
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import (
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"context"
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"io/ioutil"
|
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"strings"
|
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|
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"github.com/docker/docker/api/types"
|
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"github.com/docker/docker/api/types/registry"
|
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)
|
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|
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type FakeDockerClient struct {
|
||||
}
|
||||
|
||||
func (d FakeDockerClient) Info(ctx context.Context) (types.Info, error) {
|
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env := types.Info{
|
||||
Containers: 108,
|
||||
ContainersRunning: 98,
|
||||
ContainersStopped: 6,
|
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ContainersPaused: 3,
|
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OomKillDisable: false,
|
||||
SystemTime: "2016-02-24T00:55:09.15073105-05:00",
|
||||
NEventsListener: 0,
|
||||
ID: "5WQQ:TFWR:FDNG:OKQ3:37Y4:FJWG:QIKK:623T:R3ME:QTKB:A7F7:OLHD",
|
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Debug: false,
|
||||
LoggingDriver: "json-file",
|
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KernelVersion: "4.3.0-1-amd64",
|
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IndexServerAddress: "https://index.docker.io/v1/",
|
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MemTotal: 3840757760,
|
||||
Images: 199,
|
||||
CPUCfsQuota: true,
|
||||
Name: "absol",
|
||||
SwapLimit: false,
|
||||
IPv4Forwarding: true,
|
||||
ExperimentalBuild: false,
|
||||
CPUCfsPeriod: true,
|
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RegistryConfig: ®istry.ServiceConfig{
|
||||
IndexConfigs: map[string]*registry.IndexInfo{
|
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"docker.io": {
|
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Name: "docker.io",
|
||||
Mirrors: []string{},
|
||||
Official: true,
|
||||
Secure: true,
|
||||
},
|
||||
}, InsecureRegistryCIDRs: []*registry.NetIPNet{{IP: []byte{127, 0, 0, 0}, Mask: []byte{255, 0, 0, 0}}}, Mirrors: []string{}},
|
||||
OperatingSystem: "Linux Mint LMDE (containerized)",
|
||||
BridgeNfIptables: true,
|
||||
HTTPSProxy: "",
|
||||
Labels: []string{},
|
||||
MemoryLimit: false,
|
||||
DriverStatus: [][2]string{{"Pool Name", "docker-8:1-1182287-pool"}, {"Pool Blocksize", "65.54 kB"}, {"Backing Filesystem", "extfs"}, {"Data file", "/dev/loop0"}, {"Metadata file", "/dev/loop1"}, {"Data Space Used", "17.3 GB"}, {"Data Space Total", "107.4 GB"}, {"Data Space Available", "36.53 GB"}, {"Metadata Space Used", "20.97 MB"}, {"Metadata Space Total", "2.147 GB"}, {"Metadata Space Available", "2.127 GB"}, {"Udev Sync Supported", "true"}, {"Deferred Removal Enabled", "false"}, {"Data loop file", "/var/lib/docker/devicemapper/devicemapper/data"}, {"Metadata loop file", "/var/lib/docker/devicemapper/devicemapper/metadata"}, {"Library Version", "1.02.115 (2016-01-25)"}},
|
||||
NFd: 19,
|
||||
HTTPProxy: "",
|
||||
Driver: "devicemapper",
|
||||
NGoroutines: 39,
|
||||
NCPU: 4,
|
||||
DockerRootDir: "/var/lib/docker",
|
||||
NoProxy: "",
|
||||
BridgeNfIP6tables: true,
|
||||
}
|
||||
return env, nil
|
||||
}
|
||||
|
||||
func (d FakeDockerClient) ContainerList(octx context.Context, options types.ContainerListOptions) ([]types.Container, error) {
|
||||
container1 := types.Container{
|
||||
ID: "e2173b9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296b7dfb",
|
||||
Names: []string{"/etcd"},
|
||||
Image: "quay.io/coreos/etcd:v2.2.2",
|
||||
Command: "/etcd -name etcd0 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
|
||||
Created: 1455941930,
|
||||
Status: "Up 4 hours",
|
||||
Ports: []types.Port{
|
||||
types.Port{
|
||||
PrivatePort: 7001,
|
||||
PublicPort: 0,
|
||||
Type: "tcp",
|
||||
},
|
||||
types.Port{
|
||||
PrivatePort: 4001,
|
||||
PublicPort: 0,
|
||||
Type: "tcp",
|
||||
},
|
||||
types.Port{
|
||||
PrivatePort: 2380,
|
||||
PublicPort: 0,
|
||||
Type: "tcp",
|
||||
},
|
||||
types.Port{
|
||||
PrivatePort: 2379,
|
||||
PublicPort: 2379,
|
||||
Type: "tcp",
|
||||
IP: "0.0.0.0",
|
||||
},
|
||||
},
|
||||
SizeRw: 0,
|
||||
SizeRootFs: 0,
|
||||
}
|
||||
container2 := types.Container{
|
||||
ID: "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
|
||||
Names: []string{"/etcd2"},
|
||||
Image: "quay.io:4443/coreos/etcd:v2.2.2",
|
||||
Command: "/etcd -name etcd2 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
|
||||
Created: 1455941933,
|
||||
Status: "Up 4 hours",
|
||||
Ports: []types.Port{
|
||||
types.Port{
|
||||
PrivatePort: 7002,
|
||||
PublicPort: 0,
|
||||
Type: "tcp",
|
||||
},
|
||||
types.Port{
|
||||
PrivatePort: 4002,
|
||||
PublicPort: 0,
|
||||
Type: "tcp",
|
||||
},
|
||||
types.Port{
|
||||
PrivatePort: 2381,
|
||||
PublicPort: 0,
|
||||
Type: "tcp",
|
||||
},
|
||||
types.Port{
|
||||
PrivatePort: 2382,
|
||||
PublicPort: 2382,
|
||||
Type: "tcp",
|
||||
IP: "0.0.0.0",
|
||||
},
|
||||
},
|
||||
SizeRw: 0,
|
||||
SizeRootFs: 0,
|
||||
}
|
||||
|
||||
containers := []types.Container{container1, container2}
|
||||
return containers, nil
|
||||
|
||||
//#{e6a96c84ca91a5258b7cb752579fb68826b68b49ff957487695cd4d13c343b44 titilambert/snmpsim /bin/sh -c 'snmpsimd --agent-udpv4-endpoint=0.0.0.0:31161 --process-user=root --process-group=user' 1455724831 Up 4 hours [{31161 31161 udp 0.0.0.0}] 0 0 [/snmp] map[]}]2016/02/24 01:05:01 Gathered metrics, (3s interval), from 1 inputs in 1.233836656s
|
||||
}
|
||||
|
||||
func (d FakeDockerClient) ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error) {
|
||||
var stat types.ContainerStats
|
||||
jsonStat := `{"read":"2016-02-24T11:42:27.472459608-05:00","memory_stats":{"stats":{},"limit":18935443456},"blkio_stats":{"io_service_bytes_recursive":[{"major":252,"minor":1,"op":"Read","value":753664},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":753664},{"major":252,"minor":1,"op":"Total","value":753664}],"io_serviced_recursive":[{"major":252,"minor":1,"op":"Read","value":26},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":26},{"major":252,"minor":1,"op":"Total","value":26}]},"cpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052607520000000,"throttling_data":{}},"precpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052599550000000,"throttling_data":{}}}`
|
||||
stat.Body = ioutil.NopCloser(strings.NewReader(jsonStat))
|
||||
return stat, nil
|
||||
}
|
Loading…
Reference in New Issue