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Add support for V2 index templates to /_cat/templates #55829

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merged 3 commits into from
Apr 28, 2020
Merged

Add support for V2 index templates to /_cat/templates #55829

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35488d0
Add support for V2 index templates to /_cat/templates
dakrone Apr 14, 2020
f032761
Update docs
dakrone Apr 27, 2020
7d10828
Fix clearing of templates in ESRestTestCase
dakrone Apr 28, 2020
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97 changes: 88 additions & 9 deletions rest-api-spec/src/main/resources/rest-api-spec/test/cat.templates/10_basic.yml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
---
"Help":
- skip:
version: " - 7.9.99"
reason: "not backported yet"

- do:
cat.templates:
help: true
Expand All @@ -10,6 +14,7 @@
index_patterns .+ \n
order .+ \n
version .+ \n
composed_of .+ \n
$/

---
Expand All @@ -26,6 +31,9 @@

---
"Normal templates":
- skip:
version: " - 7.9.99"
reason: "not backported yet"

- do:
indices.put_template:
Expand Down Expand Up @@ -58,7 +66,7 @@
(^|\n)test \s+
\[test-\*\] \s+
0 \s+
1
1 \s+
(\n|$)
/

Expand All @@ -68,12 +76,15 @@
(^|\n)test_2 \s+
\[test-2\*\] \s+
1 \s+
2
2 \s+
(\n|$)
/

---
"Filtered templates":
- skip:
version: " - 7.9.99"
reason: "not backported yet"

- do:
indices.put_template:
Expand Down Expand Up @@ -107,12 +118,16 @@
test \s+
\[t\*\] \s+
0 \s+
1
1 \s*
\n
$/

---
"Column headers":
- skip:
version: " - 7.9.99"
reason: "not backported yet"

- do:
indices.put_template:
name: test
Expand All @@ -135,17 +150,22 @@
name \s+
index_patterns \s+
order \s+
version
version \s+
composed_of
\n
test \s+
\[t\*\] \s+
0 \s+
1
1 \s*
\n
$/

---
"Select columns":
- skip:
version: " - 7.9.99"
reason: "not backported yet"

- do:
indices.put_template:
name: test
Expand Down Expand Up @@ -177,7 +197,10 @@
---
"Sort templates":
- skip:
version: " - 7.9.99"
reason: "not backported yet"
features: default_shards, no_xpack

- do:
indices.put_template:
name: test
Expand Down Expand Up @@ -207,8 +230,8 @@
- match:
$body: |
/^
test \s+ \[t\*\] \s+ \n
test_1 \s+ \[te\*\] \s+ 1 \n
test \s+ \[t\*\] \s+ \n \n
test_1 \s+ \[te\*\] \s+ 1 \n \n
$/

- do:
Expand All @@ -219,15 +242,18 @@
- match:
$body: |
/^
test_1 \s+ \[te\*\] \s+ 1\n
test \s+ \[t\*\] \s+ \n
test_1 \s+ \[te\*\] \s+ 1\n \n
test \s+ \[t\*\] \s+ \n \n

$/

---
"Multiple template":
- skip:
version: " - 7.9.99"
reason: "not backported yet"
features: default_shards, no_xpack

- do:
indices.put_template:
name: test_1
Expand All @@ -254,4 +280,57 @@
test_1 \s+
\[t\*,\ te\*\]
\n
\n
$/

---
"Mixture of V1 and V2 templates":
- skip:
version: " - 7.9.99"
reason: "not backported yet"
features: allowed_warnings

- do:
indices.put_template:
name: test
body:
order: 0
version: 1
index_patterns: test-*
settings:
number_of_shards: 1
number_of_replicas: 0

- do:
allowed_warnings:
- "index template [testv2] has index patterns [v2-test] matching patterns from existing older templates [global] with patterns (global => [*]); this template [testv2] will take precedence during new index creation"
indices.put_index_template:
name: testv2
body:
index_patterns: [v2-test]
priority: 4
version: 3
composed_of: [foo, bar]

- do:
cat.templates: {}

- match:
$body: >
/
(^|\n)test \s+
\[test-\*\] \s+
0 \s+
1 \s+
(\n|$)
/

- match:
$body: >
/
(^|\n)testv2 \s+
\[v2-test\] \s+
4 \s+
3 \s+
\[foo,\ bar\]
/
20 changes: 19 additions & 1 deletion server/src/main/java/org/elasticsearch/rest/action/cat/RestTemplatesAction.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.cluster.metadata.IndexTemplateMetadata;
import org.elasticsearch.cluster.metadata.IndexTemplateV2;
import org.elasticsearch.cluster.metadata.Metadata;
import org.elasticsearch.common.Table;
import org.elasticsearch.common.regex.Regex;
Expand All @@ -32,6 +33,7 @@
import org.elasticsearch.rest.action.RestResponseListener;

import java.util.List;
import java.util.Map;

import static org.elasticsearch.rest.RestRequest.Method.GET;

Expand Down Expand Up @@ -76,8 +78,9 @@ protected Table getTableWithHeader(RestRequest request) {
table.startHeaders();
table.addCell("name", "alias:n;desc:template name");
table.addCell("index_patterns", "alias:t;desc:template index patterns");
table.addCell("order", "alias:o;desc:template application order number");
table.addCell("order", "alias:o,p;desc:template application order/priority number");
table.addCell("version", "alias:v;desc:version");
table.addCell("composed_of", "alias:c;desc:component templates comprising index template");
table.endHeaders();
return table;
}
Expand All @@ -93,6 +96,21 @@ private Table buildTable(RestRequest request, ClusterStateResponse clusterStateR
table.addCell("[" + String.join(", ", indexData.patterns()) + "]");
table.addCell(indexData.getOrder());
table.addCell(indexData.getVersion());
table.addCell("");
table.endRow();
}
}

for (Map.Entry<String, IndexTemplateV2> entry : metadata.templatesV2().entrySet()) {
String name = entry.getKey();
IndexTemplateV2 template = entry.getValue();
if (patternString == null || Regex.simpleMatch(patternString, name)) {
table.startRow();
table.addCell(name);
table.addCell("[" + String.join(", ", template.indexPatterns()) + "]");
table.addCell(template.priority());
table.addCell(template.version());
table.addCell("[" + String.join(", ", template.composedOf()) + "]");
table.endRow();
}
}
Expand Down