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Add liquid nove report usage endpoint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /******************************************************************************* | ||
| * | ||
| * Copyright 2024 SAP SE | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You should have received a copy of the License along with this | ||
| * program. If not, you may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| *******************************************************************************/ | ||
|
|
||
| package nova | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "strconv" | ||
|
|
||
| "github.com/gophercloud/gophercloud/v2" | ||
| "github.com/gophercloud/gophercloud/v2/openstack/compute/v2/servers" | ||
| "github.com/gophercloud/gophercloud/v2/pagination" | ||
| "github.com/sapcc/go-api-declarations/liquid" | ||
| ) | ||
|
|
||
| type SubresourceAttributes struct { | ||
| // base metadata | ||
| Status string `json:"status"` | ||
| Metadata map[string]string `json:"metadata"` | ||
| Tags []string `json:"tags"` | ||
| // placement information | ||
| AZ liquid.AvailabilityZone `json:"availability_zone"` | ||
| // information from flavor | ||
| FlavorName string `json:"flavor"` | ||
| VCPUs uint64 `json:"vcpu"` | ||
| MemoryMiB uint64 `json:"ram"` | ||
| DiskGiB uint64 `json:"disk"` | ||
| VideoMemoryMiB *uint64 `json:"video_ram,omitempty"` | ||
| HWVersion string `json:"-"` // this is only used for sorting the subresource into the right resource | ||
| // information from image | ||
| OSType string `json:"os_type"` | ||
| } | ||
|
|
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| func (l *Logic) buildInstanceSubresource(ctx context.Context, instance servers.Server) (res liquid.Subresource, err error) { | ||
| // copy base attributes | ||
| res.ID = instance.ID | ||
| res.Name = instance.Name | ||
|
|
||
| attrs := SubresourceAttributes{ | ||
| Status: instance.Status, | ||
| AZ: liquid.AvailabilityZone(instance.AvailabilityZone), | ||
| Metadata: instance.Metadata, | ||
| } | ||
| if instance.Tags != nil { | ||
| attrs.Tags = *instance.Tags | ||
| } | ||
|
|
||
| // flavor data is given to us as a map[string]any, but we want something more structured | ||
| buf, err := json.Marshal(instance.Flavor) | ||
| if err != nil { | ||
| return res, fmt.Errorf("could not reserialize flavor data for instance %s: %w", instance.ID, err) | ||
| } | ||
| var flavorInfo FlavorInfo | ||
| err = json.Unmarshal(buf, &flavorInfo) | ||
| if err != nil { | ||
| return res, fmt.Errorf("could not parse flavor data for instance %s: %w", instance.ID, err) | ||
| } | ||
|
|
||
| // copy attributes from flavor data | ||
| attrs.FlavorName = flavorInfo.OriginalName | ||
| attrs.VCPUs = flavorInfo.VCPUs | ||
| attrs.MemoryMiB = flavorInfo.MemoryMiB | ||
| attrs.DiskGiB = flavorInfo.DiskGiB | ||
| if videoRAMStr, exists := flavorInfo.ExtraSpecs["hw_video:ram_max_mb"]; exists { | ||
| videoRAMVal, err := strconv.ParseUint(videoRAMStr, 10, 64) | ||
| if err == nil { | ||
| attrs.VideoMemoryMiB = &videoRAMVal | ||
| } | ||
| } | ||
| attrs.HWVersion = flavorInfo.ExtraSpecs["quota:hw_version"] | ||
|
|
||
| // calculate classifications based on image data | ||
| attrs.OSType = l.OSTypeProber.Get(ctx, instance) | ||
|
|
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| buf, err = json.Marshal(attrs) | ||
| if err != nil { | ||
| return res, fmt.Errorf("while serializing Subresource Attributes: %w", err) | ||
| } | ||
| res.Attributes = json.RawMessage(buf) | ||
| return res, nil | ||
| } | ||
|
|
||
| func (l *Logic) buildInstanceSubresources(ctx context.Context, projectUUID string) ([]liquid.Subresource, error) { | ||
| opts := novaServerListOpts{ | ||
| AllTenants: true, | ||
| TenantID: projectUUID, | ||
| } | ||
|
|
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| var result []liquid.Subresource | ||
| err := servers.List(l.NovaV2, opts).EachPage(ctx, func(ctx context.Context, page pagination.Page) (bool, error) { | ||
| var instances []servers.Server | ||
| err := servers.ExtractServersInto(page, &instances) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| for _, instance := range instances { | ||
| res, err := l.buildInstanceSubresource(ctx, instance) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| result = append(result, res) | ||
| } | ||
| return true, nil | ||
| }) | ||
| return result, err | ||
| } | ||
|
|
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| type novaServerListOpts struct { | ||
| AllTenants bool `q:"all_tenants"` | ||
| TenantID string `q:"tenant_id"` | ||
| } | ||
|
|
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| func (opts novaServerListOpts) ToServerListQuery() (string, error) { | ||
| q, err := gophercloud.BuildQueryString(opts) | ||
| return q.String(), err | ||
| } |
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