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| 1 | +// Copyright (c) Platform9 Systems, Inc. |
| 2 | +// SPDX-License-Identifier: MPL-2.0 |
| 3 | +// |
| 4 | +// Ported from terraform-provider-openstack v3.4.0 |
| 5 | +// (openstack/data_source_openstack_blockstorage_volume_v3.go), adapted for the |
| 6 | +// terraform-plugin-framework and PCD. |
| 7 | + |
| 8 | +package blockstorage |
| 9 | + |
| 10 | +import ( |
| 11 | + "context" |
| 12 | + "fmt" |
| 13 | + |
| 14 | + "github.com/gophercloud/gophercloud/v2/openstack/blockstorage/v3/volumes" |
| 15 | + "github.com/hashicorp/terraform-plugin-framework/datasource" |
| 16 | + "github.com/hashicorp/terraform-plugin-framework/datasource/schema" |
| 17 | + "github.com/hashicorp/terraform-plugin-framework/types" |
| 18 | + |
| 19 | + "github.com/platform9/terraform-provider-pcd/internal/clients" |
| 20 | +) |
| 21 | + |
| 22 | +var ( |
| 23 | + _ datasource.DataSource = (*volumeDataSource)(nil) |
| 24 | + _ datasource.DataSourceWithConfigure = (*volumeDataSource)(nil) |
| 25 | +) |
| 26 | + |
| 27 | +// NewVolumeDataSource is the factory registered with the provider. |
| 28 | +func NewVolumeDataSource() datasource.DataSource { |
| 29 | + return &volumeDataSource{} |
| 30 | +} |
| 31 | + |
| 32 | +type volumeDataSource struct { |
| 33 | + config *clients.Config |
| 34 | +} |
| 35 | + |
| 36 | +type volumeDataSourceModel struct { |
| 37 | + ID types.String `tfsdk:"id"` |
| 38 | + VolumeID types.String `tfsdk:"volume_id"` |
| 39 | + Name types.String `tfsdk:"name"` |
| 40 | + Size types.Int64 `tfsdk:"size"` |
| 41 | + Status types.String `tfsdk:"status"` |
| 42 | + VolumeType types.String `tfsdk:"volume_type"` |
| 43 | + AvailabilityZone types.String `tfsdk:"availability_zone"` |
| 44 | + Bootable types.Bool `tfsdk:"bootable"` |
| 45 | + Region types.String `tfsdk:"region"` |
| 46 | +} |
| 47 | + |
| 48 | +func (d *volumeDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) { |
| 49 | + resp.TypeName = req.ProviderTypeName + "_blockstorage_volume" |
| 50 | +} |
| 51 | + |
| 52 | +func (d *volumeDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) { |
| 53 | + resp.Schema = schema.Schema{ |
| 54 | + MarkdownDescription: "Look up a Cinder volume by ID or name.", |
| 55 | + Attributes: map[string]schema.Attribute{ |
| 56 | + "id": schema.StringAttribute{Computed: true, MarkdownDescription: "The volume ID."}, |
| 57 | + "volume_id": schema.StringAttribute{Optional: true, MarkdownDescription: "Look up by volume ID (takes precedence over name)."}, |
| 58 | + "name": schema.StringAttribute{Optional: true, MarkdownDescription: "Look up by name."}, |
| 59 | + "size": schema.Int64Attribute{Computed: true, MarkdownDescription: "Size in GB."}, |
| 60 | + "status": schema.StringAttribute{Computed: true, MarkdownDescription: "The Cinder status."}, |
| 61 | + "volume_type": schema.StringAttribute{Computed: true, MarkdownDescription: "The volume type."}, |
| 62 | + "availability_zone": schema.StringAttribute{Computed: true, MarkdownDescription: "The availability zone."}, |
| 63 | + "bootable": schema.BoolAttribute{Computed: true, MarkdownDescription: "Whether the volume is bootable."}, |
| 64 | + "region": schema.StringAttribute{Optional: true, Computed: true, MarkdownDescription: "The region. Defaults to the provider's region."}, |
| 65 | + }, |
| 66 | + } |
| 67 | +} |
| 68 | + |
| 69 | +func (d *volumeDataSource) Configure(_ context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) { |
| 70 | + d.config = configureClient(req.ProviderData, &resp.Diagnostics) |
| 71 | +} |
| 72 | + |
| 73 | +func (d *volumeDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) { |
| 74 | + var data volumeDataSourceModel |
| 75 | + resp.Diagnostics.Append(req.Config.Get(ctx, &data)...) |
| 76 | + if resp.Diagnostics.HasError() { |
| 77 | + return |
| 78 | + } |
| 79 | + |
| 80 | + client, err := d.config.BlockStorageV3Client() |
| 81 | + if err != nil { |
| 82 | + resp.Diagnostics.AddError("blockstorage: building v3 client", err.Error()) |
| 83 | + return |
| 84 | + } |
| 85 | + |
| 86 | + var vol *volumes.Volume |
| 87 | + if v := data.VolumeID.ValueString(); v != "" { |
| 88 | + vol, err = volumes.Get(ctx, client, v).Extract() |
| 89 | + if err != nil { |
| 90 | + resp.Diagnostics.AddError("blockstorage: getting volume", err.Error()) |
| 91 | + return |
| 92 | + } |
| 93 | + } else { |
| 94 | + pages, err := volumes.List(client, volumes.ListOpts{Name: data.Name.ValueString()}).AllPages(ctx) |
| 95 | + if err != nil { |
| 96 | + resp.Diagnostics.AddError("blockstorage: listing volumes", err.Error()) |
| 97 | + return |
| 98 | + } |
| 99 | + all, err := volumes.ExtractVolumes(pages) |
| 100 | + if err != nil { |
| 101 | + resp.Diagnostics.AddError("blockstorage: extracting volumes", err.Error()) |
| 102 | + return |
| 103 | + } |
| 104 | + switch len(all) { |
| 105 | + case 0: |
| 106 | + resp.Diagnostics.AddError("No volume found", "No volume matched the given criteria.") |
| 107 | + return |
| 108 | + case 1: |
| 109 | + vol = &all[0] |
| 110 | + default: |
| 111 | + resp.Diagnostics.AddError("Multiple volumes found", fmt.Sprintf("%d volumes matched; refine the criteria.", len(all))) |
| 112 | + return |
| 113 | + } |
| 114 | + } |
| 115 | + |
| 116 | + data.ID = types.StringValue(vol.ID) |
| 117 | + data.VolumeID = types.StringValue(vol.ID) |
| 118 | + data.Name = types.StringValue(vol.Name) |
| 119 | + data.Size = types.Int64Value(int64(vol.Size)) |
| 120 | + data.Status = types.StringValue(vol.Status) |
| 121 | + data.VolumeType = types.StringValue(vol.VolumeType) |
| 122 | + data.AvailabilityZone = types.StringValue(vol.AvailabilityZone) |
| 123 | + data.Bootable = types.BoolValue(vol.Bootable == "true") |
| 124 | + if data.Region.IsNull() || data.Region.IsUnknown() { |
| 125 | + data.Region = types.StringValue(d.config.Region) |
| 126 | + } |
| 127 | + resp.Diagnostics.Append(resp.State.Set(ctx, &data)...) |
| 128 | +} |
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