136 lines
4.0 KiB
Go
136 lines
4.0 KiB
Go
package circonus
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import (
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"bytes"
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"fmt"
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"github.com/circonus-labs/circonus-gometrics/api"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/terraform"
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)
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const (
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defaultCirconus404ErrorString = "API response code 404:"
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defaultCirconusAggregationWindow = "300s"
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defaultCirconusAlertMinEscalateAfter = "300s"
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defaultCirconusCheckPeriodMax = "300s"
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defaultCirconusCheckPeriodMin = "30s"
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defaultCirconusHTTPFormat = "json"
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defaultCirconusHTTPMethod = "POST"
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defaultCirconusSlackUsername = "Circonus"
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defaultCirconusTimeoutMax = "300s"
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defaultCirconusTimeoutMin = "0s"
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maxSeverity = 5
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minSeverity = 1
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)
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var providerDescription = map[string]string{
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providerAPIURLAttr: "URL of the Circonus API",
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providerAutoTagAttr: "Signals that the provider should automatically add a tag to all API calls denoting that the resource was created by Terraform",
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providerKeyAttr: "API token used to authenticate with the Circonus API",
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}
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// Constants that want to be a constant but can't in Go
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var (
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validContactHTTPFormats = validStringValues{"json", "params"}
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validContactHTTPMethods = validStringValues{"GET", "POST"}
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)
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type contactMethods string
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// globalAutoTag controls whether or not the provider should automatically add a
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// tag to each resource.
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//
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// NOTE(sean): This is done as a global variable because the diff suppress
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// functions does not have access to the providerContext, only the key, old, and
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// new values.
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var globalAutoTag bool
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type providerContext struct {
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// Circonus API client
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client *api.API
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// autoTag, when true, automatically appends defaultCirconusTag
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autoTag bool
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// defaultTag make up the tag to be used when autoTag tags a tag.
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defaultTag circonusTag
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}
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// Provider returns a terraform.ResourceProvider.
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func Provider() terraform.ResourceProvider {
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return &schema.Provider{
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Schema: map[string]*schema.Schema{
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providerAPIURLAttr: {
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Type: schema.TypeString,
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Optional: true,
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Default: "https://api.circonus.com/v2",
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Description: providerDescription[providerAPIURLAttr],
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},
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providerAutoTagAttr: {
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Type: schema.TypeBool,
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Optional: true,
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Default: defaultAutoTag,
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Description: providerDescription[providerAutoTagAttr],
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},
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providerKeyAttr: {
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Type: schema.TypeString,
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Required: true,
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Sensitive: true,
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DefaultFunc: schema.EnvDefaultFunc("CIRCONUS_API_TOKEN", nil),
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Description: providerDescription[providerKeyAttr],
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},
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},
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DataSourcesMap: map[string]*schema.Resource{
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"circonus_account": dataSourceCirconusAccount(),
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"circonus_collector": dataSourceCirconusCollector(),
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},
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ResourcesMap: map[string]*schema.Resource{
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"circonus_check": resourceCheck(),
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"circonus_contact_group": resourceContactGroup(),
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"circonus_graph": resourceGraph(),
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"circonus_metric": resourceMetric(),
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"circonus_metric_cluster": resourceMetricCluster(),
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"circonus_rule_set": resourceRuleSet(),
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},
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ConfigureFunc: providerConfigure,
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}
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}
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func providerConfigure(d *schema.ResourceData) (interface{}, error) {
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globalAutoTag = d.Get(providerAutoTagAttr).(bool)
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config := &api.Config{
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URL: d.Get(providerAPIURLAttr).(string),
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TokenKey: d.Get(providerKeyAttr).(string),
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TokenApp: tfAppName(),
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}
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client, err := api.NewAPI(config)
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if err != nil {
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return nil, errwrap.Wrapf("Error initializing Circonus: %s", err)
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}
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return &providerContext{
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client: client,
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autoTag: d.Get(providerAutoTagAttr).(bool),
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defaultTag: defaultCirconusTag,
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}, nil
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}
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func tfAppName() string {
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const VersionPrerelease = terraform.VersionPrerelease
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var versionString bytes.Buffer
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fmt.Fprintf(&versionString, "Terraform v%s", terraform.Version)
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if VersionPrerelease != "" {
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fmt.Fprintf(&versionString, "-%s", VersionPrerelease)
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}
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return versionString.String()
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}
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