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19d0b42911
Previously the consul_keys resource did double-duty as both a reader and writer of values from the Consul key/value store, but that made its interface rather confusing and complex, as well as having all of the other general problems associated with read-only resources. Here we split the functionality such that reading is done with the consul_keys data source while writing is done with the consul_keys resource. The old read behavior of the resource is still supported, but it's no longer documented (except as a deprecation note) and will generate deprecation warnings when used. In future it should be possible to simplify the consul_keys resource by removing all of the read support, but that is deferred for now to give users a chance to gracefully migrate to the new data source.
97 lines
1.8 KiB
Go
97 lines
1.8 KiB
Go
package consul
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import (
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consulapi "github.com/hashicorp/consul/api"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func dataSourceConsulKeys() *schema.Resource {
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return &schema.Resource{
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Read: dataSourceConsulKeysRead,
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Schema: map[string]*schema.Schema{
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"datacenter": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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ForceNew: true,
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},
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"token": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"key": &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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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"path": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"default": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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},
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},
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},
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"var": &schema.Schema{
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Type: schema.TypeMap,
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Computed: true,
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},
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},
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}
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}
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func dataSourceConsulKeysRead(d *schema.ResourceData, meta interface{}) error {
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client := meta.(*consulapi.Client)
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kv := client.KV()
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token := d.Get("token").(string)
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dc, err := getDC(d, client)
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if err != nil {
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return err
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}
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keyClient := newKeyClient(kv, dc, token)
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vars := make(map[string]string)
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keys := d.Get("key").(*schema.Set).List()
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for _, raw := range keys {
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key, path, sub, err := parseKey(raw)
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if err != nil {
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return err
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}
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value, err := keyClient.Get(path)
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if err != nil {
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return err
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}
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value = attributeValue(sub, value)
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vars[key] = value
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}
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if err := d.Set("var", vars); err != nil {
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return err
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}
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// Store the datacenter on this resource, which can be helpful for reference
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// in case it was read from the provider
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d.Set("datacenter", dc)
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d.SetId("-")
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return nil
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}
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