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[OpenStack SD] Add ProjectID and UserID meta labels (#5431) 

Add extra meta labels which will be useful in the case
Prometheus discovery instances from all projects.

Signed-off-by: Kien Nguyen <kiennt2609@gmail.com>
This commit is contained in:
Kien Nguyen-Tuan 2019-04-04 16:02:31 +07:00 committed by Brian Brazil
parent f8932dde66
commit 813b58367a
3 changed files with 19 additions and 6 deletions
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9
discovery/openstack/instance.go
View File

@ -27,7 +27,6 @@ import (
"github.com/gophercloud/gophercloud/pagination"
"github.com/pkg/errors"
"github.com/prometheus/common/model"
"github.com/prometheus/prometheus/discovery/targetgroup"
"github.com/prometheus/prometheus/util/strutil"
)
@ -35,13 +34,15 @@ import (
const (
openstackLabelPrefix = model.MetaLabelPrefix + "openstack_"
openstackLabelAddressPool = openstackLabelPrefix + "address_pool"
openstackLabelInstanceFlavor = openstackLabelPrefix + "instance_flavor"
openstackLabelInstanceID = openstackLabelPrefix + "instance_id"
openstackLabelInstanceName = openstackLabelPrefix + "instance_name"
openstackLabelInstanceStatus = openstackLabelPrefix + "instance_status"
openstackLabelInstanceFlavor = openstackLabelPrefix + "instance_flavor"
openstackLabelPublicIP = openstackLabelPrefix + "public_ip"
openstackLabelPrivateIP = openstackLabelPrefix + "private_ip"
openstackLabelProjectID = openstackLabelPrefix + "project_id"
openstackLabelPublicIP = openstackLabelPrefix + "public_ip"
openstackLabelTagPrefix = openstackLabelPrefix + "tag_"
openstackLabelUserID = openstackLabelPrefix + "user_id"
)
// InstanceDiscovery discovers OpenStack instances.
@ -134,6 +135,8 @@ func (i *InstanceDiscovery) refresh(ctx context.Context) ([]*targetgroup.Group,
openstackLabelInstanceID: model.LabelValue(s.ID),
openstackLabelInstanceStatus: model.LabelValue(s.Status),
openstackLabelInstanceName: model.LabelValue(s.Name),
openstackLabelProjectID: model.LabelValue(s.TenantID),
openstackLabelUserID: model.LabelValue(s.UserID),
}
id, ok := s.Flavor["id"].(string)

8
discovery/openstack/instance_test.go
View File

@ -84,6 +84,8 @@ func TestOpenstackSDInstanceRefresh(t *testing.T) {
"__meta_openstack_private_ip": model.LabelValue("10.0.0.32"),
"__meta_openstack_public_ip": model.LabelValue("10.10.10.2"),
"__meta_openstack_address_pool": model.LabelValue("private"),
"__meta_openstack_project_id": model.LabelValue("fcad67a6189847c4aecfa3c81a05783b"),
"__meta_openstack_user_id": model.LabelValue("9349aff8be7545ac9d2f1d00999a23cd"),
},
{
"__address__": model.LabelValue("10.0.0.31:0"),
@ -93,6 +95,8 @@ func TestOpenstackSDInstanceRefresh(t *testing.T) {
"__meta_openstack_instance_name": model.LabelValue("derp"),
"__meta_openstack_private_ip": model.LabelValue("10.0.0.31"),
"__meta_openstack_address_pool": model.LabelValue("private"),
"__meta_openstack_project_id": model.LabelValue("fcad67a6189847c4aecfa3c81a05783b"),
"__meta_openstack_user_id": model.LabelValue("9349aff8be7545ac9d2f1d00999a23cd"),
},
{
"__address__": model.LabelValue("10.0.0.33:0"),
@ -103,6 +107,8 @@ func TestOpenstackSDInstanceRefresh(t *testing.T) {
"__meta_openstack_private_ip": model.LabelValue("10.0.0.33"),
"__meta_openstack_address_pool": model.LabelValue("private"),
"__meta_openstack_tag_env": model.LabelValue("prod"),
"__meta_openstack_project_id": model.LabelValue("fcad67a6189847c4aecfa3c81a05783b"),
"__meta_openstack_user_id": model.LabelValue("9349aff8be7545ac9d2f1d00999a23cd"),
},
{
"__address__": model.LabelValue("10.0.0.34:0"),
@ -114,6 +120,8 @@ func TestOpenstackSDInstanceRefresh(t *testing.T) {
"__meta_openstack_address_pool": model.LabelValue("private"),
"__meta_openstack_tag_env": model.LabelValue("prod"),
"__meta_openstack_public_ip": model.LabelValue("10.10.10.4"),
"__meta_openstack_project_id": model.LabelValue("fcad67a6189847c4aecfa3c81a05783b"),
"__meta_openstack_user_id": model.LabelValue("9349aff8be7545ac9d2f1d00999a23cd"),
},
} {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {

8
docs/configuration/configuration.md
View File

@ -503,14 +503,16 @@ interface.
The following meta labels are available on targets during [relabeling](#relabel_config):
* `__meta_openstack_address_pool`: the pool of the private IP.
* `__meta_openstack_instance_flavor`: the flavor of the OpenStack instance.
* `__meta_openstack_instance_id`: the OpenStack instance ID.
* `__meta_openstack_instance_name`: the OpenStack instance name.
* `__meta_openstack_instance_status`: the status of the OpenStack instance.
* `__meta_openstack_instance_flavor`: the flavor of the OpenStack instance.
* `__meta_openstack_public_ip`: the public IP of the OpenStack instance.
* `__meta_openstack_private_ip`: the private IP of the OpenStack instance.
* `__meta_openstack_address_pool`: the pool of the private IP.
* `__meta_openstack_project_id`: the project (tenant) owning this instance.
* `__meta_openstack_public_ip`: the public IP of the OpenStack instance.
* `__meta_openstack_tag_<tagkey>`: each tag value of the instance.
* `__meta_openstack_user_id`: the user account owning the tenant.
See below for the configuration options for OpenStack discovery: