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discovery/openstack: Include instance image ID in labels
Adds a new label to include the ID of the image that an instance is using. This can be used for example to filter a job to only include instances using a certain image as that image includes some exporter. Sometimes the image information isn't available, such as when the image is private and the user doesn't have the roles required to see it. In those cases we just don't set the label, as the rest of the information from the discovery provider can still be used. Signed-off-by: Taavi Väänänen <hi@taavi.wtf>
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@ -36,6 +36,7 @@ const (
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openstackLabelAddressPool = openstackLabelPrefix + "address_pool"
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openstackLabelInstanceFlavor = openstackLabelPrefix + "instance_flavor"
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openstackLabelInstanceID = openstackLabelPrefix + "instance_id"
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openstackLabelInstanceImage = openstackLabelPrefix + "instance_image"
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openstackLabelInstanceName = openstackLabelPrefix + "instance_name"
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openstackLabelInstanceStatus = openstackLabelPrefix + "instance_status"
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openstackLabelPrivateIP = openstackLabelPrefix + "private_ip"
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@ -144,12 +145,18 @@ func (i *InstanceDiscovery) refresh(ctx context.Context) ([]*targetgroup.Group,
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openstackLabelUserID: model.LabelValue(s.UserID),
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}
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id, ok := s.Flavor["id"].(string)
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flavorId, ok := s.Flavor["id"].(string)
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if !ok {
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level.Warn(i.logger).Log("msg", "Invalid type for flavor id, expected string")
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continue
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}
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labels[openstackLabelInstanceFlavor] = model.LabelValue(id)
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labels[openstackLabelInstanceFlavor] = model.LabelValue(flavorId)
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imageId, ok := s.Image["id"].(string)
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if ok {
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labels[openstackLabelInstanceImage] = model.LabelValue(imageId)
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}
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for k, v := range s.Metadata {
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name := strutil.SanitizeLabelName(k)
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labels[openstackLabelTagPrefix+model.LabelName(name)] = model.LabelValue(v)
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@ -73,6 +73,7 @@ func TestOpenstackSDInstanceRefresh(t *testing.T) {
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"__address__": model.LabelValue("10.0.0.32:0"),
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"__meta_openstack_instance_flavor": model.LabelValue("1"),
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"__meta_openstack_instance_id": model.LabelValue("ef079b0c-e610-4dfb-b1aa-b49f07ac48e5"),
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"__meta_openstack_instance_image": model.LabelValue("f90f6034-2570-4974-8351-6b49732ef2eb"),
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"__meta_openstack_instance_status": model.LabelValue("ACTIVE"),
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"__meta_openstack_instance_name": model.LabelValue("herp"),
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"__meta_openstack_private_ip": model.LabelValue("10.0.0.32"),
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@ -85,6 +86,7 @@ func TestOpenstackSDInstanceRefresh(t *testing.T) {
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"__address__": model.LabelValue("10.0.0.31:0"),
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"__meta_openstack_instance_flavor": model.LabelValue("1"),
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"__meta_openstack_instance_id": model.LabelValue("9e5476bd-a4ec-4653-93d6-72c93aa682ba"),
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"__meta_openstack_instance_image": model.LabelValue("f90f6034-2570-4974-8351-6b49732ef2eb"),
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"__meta_openstack_instance_status": model.LabelValue("ACTIVE"),
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"__meta_openstack_instance_name": model.LabelValue("derp"),
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"__meta_openstack_private_ip": model.LabelValue("10.0.0.31"),
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@ -1276,6 +1276,7 @@ The following meta labels are available on targets during [relabeling](#relabel_
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* `__meta_openstack_address_pool`: the pool of the private IP.
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* `__meta_openstack_instance_flavor`: the flavor of the OpenStack instance.
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* `__meta_openstack_instance_id`: the OpenStack instance ID.
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* `__meta_openstack_instance_image`: the ID of the image the OpenStack instance is using.
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* `__meta_openstack_instance_name`: the OpenStack instance name.
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* `__meta_openstack_instance_status`: the status of the OpenStack instance.
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* `__meta_openstack_private_ip`: the private IP of the OpenStack instance.
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