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Add support for ElasticSearch 7.8+ component templates
Signed-off-by: Yann Soubeyrand <yann.soubeyrand@camptocamp.com>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,178 @@ | ||
package es | ||
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import ( | ||
"context" | ||
"encoding/json" | ||
"fmt" | ||
"log" | ||
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"github.com/hashicorp/go-version" | ||
"github.com/hashicorp/terraform-plugin-sdk/helper/schema" | ||
"github.com/hashicorp/terraform-plugin-sdk/helper/validation" | ||
elastic7 "github.com/olivere/elastic/v7" | ||
) | ||
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var componentTemplateMinimalVersion, _ = version.NewVersion("7.8.0") | ||
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func resourceElasticsearchComponentTemplate() *schema.Resource { | ||
return &schema.Resource{ | ||
Create: resourceElasticsearchComponentTemplateCreate, | ||
Read: resourceElasticsearchComponentTemplateRead, | ||
Update: resourceElasticsearchComponentTemplateUpdate, | ||
Delete: resourceElasticsearchComponentTemplateDelete, | ||
Schema: map[string]*schema.Schema{ | ||
"name": { | ||
Type: schema.TypeString, | ||
ForceNew: true, | ||
Required: true, | ||
}, | ||
"body": { | ||
Type: schema.TypeString, | ||
Required: true, | ||
DiffSuppressFunc: diffSuppressComponentTemplate, | ||
ValidateFunc: validation.StringIsJSON, | ||
}, | ||
}, | ||
Importer: &schema.ResourceImporter{ | ||
State: schema.ImportStatePassthrough, | ||
}, | ||
} | ||
} | ||
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func resourceElasticsearchComponentTemplateCreate(d *schema.ResourceData, meta interface{}) error { | ||
err := resourceElasticsearchPutComponentTemplate(d, meta, true) | ||
if err != nil { | ||
return err | ||
} | ||
d.SetId(d.Get("name").(string)) | ||
return nil | ||
} | ||
|
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func resourceElasticsearchComponentTemplateRead(d *schema.ResourceData, meta interface{}) error { | ||
id := d.Id() | ||
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var result string | ||
var elasticVersion *version.Version | ||
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esClient, err := getClient(meta.(*ProviderConf)) | ||
if err != nil { | ||
return err | ||
} | ||
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switch client := esClient.(type) { | ||
case *elastic7.Client: | ||
elasticVersion, err = elastic7GetVersion(client) | ||
if err == nil { | ||
if elasticVersion.LessThan(componentTemplateMinimalVersion) { | ||
err = fmt.Errorf("component_template endpoint only available from ElasticSearch >= 7.8, got version %s", elasticVersion.String()) | ||
} else { | ||
result, err = elastic7GetComponentTemplate(client, id) | ||
} | ||
} | ||
default: | ||
err = fmt.Errorf("component_template endpoint only available from ElasticSearch >= 7.8, got version < 7.0.0") | ||
} | ||
if err != nil { | ||
if elastic7.IsNotFound(err) { | ||
log.Printf("[WARN] Index template (%s) not found, removing from state", id) | ||
d.SetId("") | ||
return nil | ||
} | ||
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return err | ||
} | ||
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ds := &resourceDataSetter{d: d} | ||
ds.set("name", d.Id()) | ||
ds.set("body", result) | ||
return ds.err | ||
} | ||
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func elastic7GetComponentTemplate(client *elastic7.Client, id string) (string, error) { | ||
res, err := client.IndexGetComponentTemplate(id).Do(context.TODO()) | ||
if err != nil { | ||
return "", err | ||
} | ||
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// No more than 1 element is expected, if the index template is not found, previous call should | ||
// return a 404 error | ||
t := res.ComponentTemplates[0].ComponentTemplate | ||
tj, err := json.Marshal(t) | ||
if err != nil { | ||
return "", err | ||
} | ||
return string(tj), nil | ||
} | ||
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func resourceElasticsearchComponentTemplateUpdate(d *schema.ResourceData, meta interface{}) error { | ||
return resourceElasticsearchPutComponentTemplate(d, meta, false) | ||
} | ||
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func resourceElasticsearchComponentTemplateDelete(d *schema.ResourceData, meta interface{}) error { | ||
id := d.Id() | ||
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var elasticVersion *version.Version | ||
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esClient, err := getClient(meta.(*ProviderConf)) | ||
if err != nil { | ||
return err | ||
} | ||
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switch client := esClient.(type) { | ||
case *elastic7.Client: | ||
elasticVersion, err = elastic7GetVersion(client) | ||
if err == nil { | ||
if elasticVersion.LessThan(componentTemplateMinimalVersion) { | ||
err = fmt.Errorf("component_template endpoint only available from ElasticSearch >= 7.8, got version %s", elasticVersion.String()) | ||
} else { | ||
err = elastic7DeleteComponentTemplate(client, id) | ||
} | ||
} | ||
default: | ||
err = fmt.Errorf("component_template endpoint only available from ElasticSearch >= 7.8, got version < 7.0.0") | ||
} | ||
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if err != nil { | ||
return err | ||
} | ||
d.SetId("") | ||
return nil | ||
} | ||
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func elastic7DeleteComponentTemplate(client *elastic7.Client, id string) error { | ||
_, err := client.IndexDeleteComponentTemplate(id).Do(context.TODO()) | ||
return err | ||
} | ||
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func resourceElasticsearchPutComponentTemplate(d *schema.ResourceData, meta interface{}, create bool) error { | ||
name := d.Get("name").(string) | ||
body := d.Get("body").(string) | ||
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var elasticVersion *version.Version | ||
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esClient, err := getClient(meta.(*ProviderConf)) | ||
if err != nil { | ||
return err | ||
} | ||
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switch client := esClient.(type) { | ||
case *elastic7.Client: | ||
elasticVersion, err = elastic7GetVersion(client) | ||
if err == nil { | ||
if elasticVersion.LessThan(componentTemplateMinimalVersion) { | ||
err = fmt.Errorf("component_template endpoint only available from ElasticSearch >= 7.8, got version %s", elasticVersion.String()) | ||
} else { | ||
err = elastic7PutComponentTemplate(client, name, body, create) | ||
} | ||
} | ||
default: | ||
err = fmt.Errorf("component_template endpoint only available from ElasticSearch >= 7.8, got version < 7.0.0") | ||
} | ||
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return err | ||
} | ||
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func elastic7PutComponentTemplate(client *elastic7.Client, name string, body string, create bool) error { | ||
_, err := client.IndexPutComponentTemplate(name).BodyString(body).Create(create).Do(context.TODO()) | ||
return err | ||
} |
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