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Report docker container labels and render them in the details pane #400

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merged 3 commits into from Aug 27, 2015
Merged

Report docker container labels and render them in the details pane #400

merged 3 commits into from Aug 27, 2015

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2opremio
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Addresses part of #372

@tomwilkie tomwilkie self-assigned this Aug 26, 2015
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Failure is due to

./probe/docker/container.go:206:1: exported function ExtractContainerLabels should have comment or be unexported

tomwilkie
tomwilkie reviewed Aug 26, 2015
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probe/docker/container.go
@@ -215,6 +223,7 @@ func (c *container) GetNodeMetadata() report.NodeMetadata {
ImageID: c.container.Image,
ContainerIPs: strings.Join(append(c.container.NetworkSettings.SecondaryIPAddresses,
c.container.NetworkSettings.IPAddress), " "),
ContainerLabels: string(labels),

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@tomwilkie
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Also, docker images can have labels, as can the docker daemon. We should probably fetch these and attach them to the docker image and host topology. In which case, make the prefix docker_label_

@tomwilkie tomwilkie force-pushed the master branch 2 times, most recently from 66be8bd to d9ab9d8 Compare August 26, 2015 14:25
peterbourgon
peterbourgon reviewed Aug 26, 2015
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probe/docker/container.go
@@ -245,6 +248,13 @@ func (c *container) GetNodeMetadata() report.NodeMetadata {
return result
}

// ExtractContainerLabels returns the list of Docker container labels given a NodeMetadata from the Container topology.
func ExtractContainerLabels(nmd report.NodeMetadata) map[string]string {
result := make(map[string]string)

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@tomwilkie tomwilkie assigned 2opremio and unassigned tomwilkie Aug 26, 2015
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@tomwilkie Unfortunately the fsouza Docker client doesn't support Docker daemon labels yet: see the message from my last commit

@2opremio 2opremio assigned tomwilkie and unassigned 2opremio Aug 26, 2015
tomwilkie
tomwilkie reviewed Aug 26, 2015
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probe/docker/container.go
ContainerPorts = "docker_container_ports"
ContainerCreated = "docker_container_created"
ContainerIPs = "docker_container_ips"
ContainerLabelPrefix = "docker_container_label_"

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@tomwilkie tomwilkie assigned 2opremio and unassigned tomwilkie Aug 26, 2015
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Assign it back to me when the tests pass.

Report/render both image and container labels
9ba3740 
Daemon labels will have to wait since the go client (Docker API v1.14) doesn't support
them yet (daemon labels were exposed in Docker API v1.16)

See https://godoc.org/github.com/fsouza/go-dockerclient#Client.Info for details.
@2opremio 2opremio assigned tomwilkie and unassigned 2opremio Aug 27, 2015
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LGTM

@tomwilkie tomwilkie assigned 2opremio and unassigned tomwilkie Aug 27, 2015
2opremio pushed a commit that referenced this pull request Aug 27, 2015
Merge pull request #400 from weaveworks/docker-labels
4db8010 
Report docker container labels and render them in the details pane
@2opremio 2opremio merged commit 4db8010 into master Aug 27, 2015
@2opremio 2opremio deleted the docker-labels branch August 27, 2015 13:11
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@2opremio @tomwilkie @peterbourgon