448 lines
12 KiB
Go
448 lines
12 KiB
Go
package librato
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import (
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"bytes"
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"fmt"
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"log"
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"math"
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"strconv"
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"time"
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"github.com/hashicorp/terraform/helper/hashcode"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/henrikhodne/go-librato/librato"
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)
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func resourceLibratoSpaceChart() *schema.Resource {
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return &schema.Resource{
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Create: resourceLibratoSpaceChartCreate,
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Read: resourceLibratoSpaceChartRead,
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Update: resourceLibratoSpaceChartUpdate,
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Delete: resourceLibratoSpaceChartDelete,
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Schema: map[string]*schema.Schema{
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"space_id": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: true,
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"type": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"min": &schema.Schema{
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Type: schema.TypeFloat,
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Default: math.NaN(),
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Optional: true,
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},
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"max": &schema.Schema{
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Type: schema.TypeFloat,
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Default: math.NaN(),
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Optional: true,
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},
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"label": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"related_space": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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},
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"stream": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"metric": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ConflictsWith: []string{"stream.composite"},
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},
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"source": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ConflictsWith: []string{"stream.composite"},
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},
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"group_function": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ConflictsWith: []string{"stream.composite"},
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},
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"composite": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ConflictsWith: []string{"stream.metric", "stream.source", "stream.group_function"},
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},
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"summary_function": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"color": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"units_short": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"units_long": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"min": &schema.Schema{
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Type: schema.TypeFloat,
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Default: math.NaN(),
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Optional: true,
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},
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"max": &schema.Schema{
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Type: schema.TypeFloat,
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Default: math.NaN(),
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Optional: true,
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},
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"transform_function": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"period": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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},
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},
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},
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Set: resourceLibratoSpaceChartHash,
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},
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},
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}
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}
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func resourceLibratoSpaceChartHash(v interface{}) int {
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var buf bytes.Buffer
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m := v.(map[string]interface{})
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buf.WriteString(fmt.Sprintf("%s-", m["metric"].(string)))
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buf.WriteString(fmt.Sprintf("%s-", m["source"].(string)))
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buf.WriteString(fmt.Sprintf("%s-", m["composite"].(string)))
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return hashcode.String(buf.String())
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}
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func resourceLibratoSpaceChartCreate(d *schema.ResourceData, meta interface{}) error {
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client := meta.(*librato.Client)
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spaceID := uint(d.Get("space_id").(int))
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spaceChart := new(librato.SpaceChart)
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if v, ok := d.GetOk("name"); ok {
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spaceChart.Name = librato.String(v.(string))
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}
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if v, ok := d.GetOk("type"); ok {
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spaceChart.Type = librato.String(v.(string))
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}
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if v, ok := d.GetOk("min"); ok {
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if math.IsNaN(v.(float64)) {
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spaceChart.Min = nil
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} else {
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spaceChart.Min = librato.Float(v.(float64))
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}
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}
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if v, ok := d.GetOk("max"); ok {
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if math.IsNaN(v.(float64)) {
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spaceChart.Max = nil
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} else {
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spaceChart.Max = librato.Float(v.(float64))
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}
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}
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if v, ok := d.GetOk("label"); ok {
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spaceChart.Label = librato.String(v.(string))
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}
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if v, ok := d.GetOk("related_space"); ok {
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spaceChart.RelatedSpace = librato.Uint(uint(v.(int)))
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}
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if v, ok := d.GetOk("stream"); ok {
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vs := v.(*schema.Set)
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streams := make([]librato.SpaceChartStream, vs.Len())
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for i, streamDataM := range vs.List() {
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streamData := streamDataM.(map[string]interface{})
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var stream librato.SpaceChartStream
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if v, ok := streamData["metric"].(string); ok && v != "" {
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stream.Metric = librato.String(v)
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}
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if v, ok := streamData["source"].(string); ok && v != "" {
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stream.Source = librato.String(v)
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}
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if v, ok := streamData["composite"].(string); ok && v != "" {
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stream.Composite = librato.String(v)
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}
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if v, ok := streamData["group_function"].(string); ok && v != "" {
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stream.GroupFunction = librato.String(v)
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}
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if v, ok := streamData["summary_function"].(string); ok && v != "" {
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stream.SummaryFunction = librato.String(v)
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}
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if v, ok := streamData["transform_function"].(string); ok && v != "" {
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stream.TransformFunction = librato.String(v)
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}
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if v, ok := streamData["color"].(string); ok && v != "" {
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stream.Color = librato.String(v)
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}
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if v, ok := streamData["units_short"].(string); ok && v != "" {
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stream.UnitsShort = librato.String(v)
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}
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if v, ok := streamData["units_longs"].(string); ok && v != "" {
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stream.UnitsLong = librato.String(v)
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}
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if v, ok := streamData["min"].(float64); ok && !math.IsNaN(v) {
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stream.Min = librato.Float(v)
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}
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if v, ok := streamData["max"].(float64); ok && !math.IsNaN(v) {
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stream.Max = librato.Float(v)
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}
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streams[i] = stream
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}
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spaceChart.Streams = streams
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}
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spaceChartResult, _, err := client.Spaces.CreateChart(spaceID, spaceChart)
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if err != nil {
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return fmt.Errorf("Error creating Librato space chart %s: %s", *spaceChart.Name, err)
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}
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resource.Retry(1*time.Minute, func() *resource.RetryError {
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_, _, err := client.Spaces.GetChart(spaceID, *spaceChartResult.ID)
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if err != nil {
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if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
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return resource.RetryableError(err)
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}
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return resource.NonRetryableError(err)
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}
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return nil
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})
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return resourceLibratoSpaceChartReadResult(d, spaceChartResult)
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}
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func resourceLibratoSpaceChartRead(d *schema.ResourceData, meta interface{}) error {
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client := meta.(*librato.Client)
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spaceID := uint(d.Get("space_id").(int))
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id, err := strconv.ParseUint(d.Id(), 10, 0)
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if err != nil {
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return err
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}
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chart, _, err := client.Spaces.GetChart(spaceID, uint(id))
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if err != nil {
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if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
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d.SetId("")
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return nil
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}
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return fmt.Errorf("Error reading Librato Space chart %s: %s", d.Id(), err)
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}
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return resourceLibratoSpaceChartReadResult(d, chart)
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}
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func resourceLibratoSpaceChartReadResult(d *schema.ResourceData, chart *librato.SpaceChart) error {
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d.SetId(strconv.FormatUint(uint64(*chart.ID), 10))
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if chart.Name != nil {
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if err := d.Set("name", *chart.Name); err != nil {
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return err
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}
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}
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if chart.Type != nil {
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if err := d.Set("type", *chart.Type); err != nil {
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return err
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}
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}
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if chart.Min != nil {
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if err := d.Set("min", *chart.Min); err != nil {
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return err
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}
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}
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if chart.Max != nil {
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if err := d.Set("max", *chart.Max); err != nil {
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return err
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}
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}
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if chart.Label != nil {
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if err := d.Set("label", *chart.Label); err != nil {
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return err
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}
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}
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if chart.RelatedSpace != nil {
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if err := d.Set("related_space", *chart.RelatedSpace); err != nil {
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return err
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}
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}
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streams := resourceLibratoSpaceChartStreamsGather(d, chart.Streams)
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if err := d.Set("stream", streams); err != nil {
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return err
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}
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return nil
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}
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func resourceLibratoSpaceChartStreamsGather(d *schema.ResourceData, streams []librato.SpaceChartStream) []map[string]interface{} {
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retStreams := make([]map[string]interface{}, 0, len(streams))
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for _, s := range streams {
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stream := make(map[string]interface{})
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if s.Metric != nil {
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stream["metric"] = *s.Metric
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}
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if s.Source != nil {
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stream["source"] = *s.Source
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}
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if s.Composite != nil {
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stream["composite"] = *s.Composite
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}
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if s.GroupFunction != nil {
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stream["group_function"] = *s.GroupFunction
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}
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if s.SummaryFunction != nil {
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stream["summary_function"] = *s.SummaryFunction
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}
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if s.TransformFunction != nil {
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stream["transform_function"] = *s.TransformFunction
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}
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if s.Color != nil {
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stream["color"] = *s.Color
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}
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if s.UnitsShort != nil {
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stream["units_short"] = *s.UnitsShort
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}
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if s.UnitsLong != nil {
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stream["units_long"] = *s.UnitsLong
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}
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retStreams = append(retStreams, stream)
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}
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return retStreams
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}
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func resourceLibratoSpaceChartUpdate(d *schema.ResourceData, meta interface{}) error {
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client := meta.(*librato.Client)
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spaceID := uint(d.Get("space_id").(int))
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chartID, err := strconv.ParseUint(d.Id(), 10, 0)
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if err != nil {
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return err
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}
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spaceChart := new(librato.SpaceChart)
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if d.HasChange("name") {
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spaceChart.Name = librato.String(d.Get("name").(string))
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}
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if d.HasChange("min") {
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if math.IsNaN(d.Get("min").(float64)) {
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spaceChart.Min = nil
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} else {
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spaceChart.Min = librato.Float(d.Get("min").(float64))
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}
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}
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if d.HasChange("max") {
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if math.IsNaN(d.Get("max").(float64)) {
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spaceChart.Max = nil
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} else {
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spaceChart.Max = librato.Float(d.Get("max").(float64))
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}
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}
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if d.HasChange("label") {
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spaceChart.Label = librato.String(d.Get("label").(string))
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}
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if d.HasChange("related_space") {
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spaceChart.RelatedSpace = librato.Uint(d.Get("related_space").(uint))
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}
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if d.HasChange("stream") {
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vs := d.Get("stream").(*schema.Set)
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streams := make([]librato.SpaceChartStream, vs.Len())
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for i, streamDataM := range vs.List() {
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streamData := streamDataM.(map[string]interface{})
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var stream librato.SpaceChartStream
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if v, ok := streamData["metric"].(string); ok && v != "" {
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stream.Metric = librato.String(v)
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}
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if v, ok := streamData["source"].(string); ok && v != "" {
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stream.Source = librato.String(v)
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}
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if v, ok := streamData["composite"].(string); ok && v != "" {
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stream.Composite = librato.String(v)
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}
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if v, ok := streamData["group_function"].(string); ok && v != "" {
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stream.GroupFunction = librato.String(v)
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}
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if v, ok := streamData["summary_function"].(string); ok && v != "" {
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stream.SummaryFunction = librato.String(v)
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}
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if v, ok := streamData["transform_function"].(string); ok && v != "" {
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stream.TransformFunction = librato.String(v)
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}
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if v, ok := streamData["color"].(string); ok && v != "" {
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stream.Color = librato.String(v)
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}
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if v, ok := streamData["units_short"].(string); ok && v != "" {
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stream.UnitsShort = librato.String(v)
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}
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if v, ok := streamData["units_longs"].(string); ok && v != "" {
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stream.UnitsLong = librato.String(v)
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}
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if v, ok := streamData["min"].(float64); ok && !math.IsNaN(v) {
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stream.Min = librato.Float(v)
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}
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if v, ok := streamData["max"].(float64); ok && !math.IsNaN(v) {
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stream.Max = librato.Float(v)
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}
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streams[i] = stream
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}
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spaceChart.Streams = streams
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}
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_, err = client.Spaces.EditChart(spaceID, uint(chartID), spaceChart)
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if err != nil {
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return fmt.Errorf("Error updating Librato space chart %s: %s", *spaceChart.Name, err)
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}
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return resourceLibratoSpaceChartRead(d, meta)
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}
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func resourceLibratoSpaceChartDelete(d *schema.ResourceData, meta interface{}) error {
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client := meta.(*librato.Client)
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spaceID := uint(d.Get("space_id").(int))
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id, err := strconv.ParseUint(d.Id(), 10, 0)
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if err != nil {
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return err
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}
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log.Printf("[INFO] Deleting Chart: %d/%d", spaceID, uint(id))
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_, err = client.Spaces.DeleteChart(spaceID, uint(id))
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if err != nil {
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return fmt.Errorf("Error deleting space: %s", err)
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}
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resource.Retry(1*time.Minute, func() *resource.RetryError {
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_, _, err := client.Spaces.GetChart(spaceID, uint(id))
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if err != nil {
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if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
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return nil
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}
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return resource.NonRetryableError(err)
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}
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return resource.RetryableError(fmt.Errorf("space chart still exists"))
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})
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d.SetId("")
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return nil
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}
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