fix(roles/elasticsearch): ensure alphabetic order, update timestamp in template

Author: ebuerki-lf

roles/elasticsearch/README.md

@@ -195,9 +195,9 @@ ansible-playbook --inventory inventory linuxfabrik.lfops.elasticsearch --limit n
 | `elasticsearch__cluster_name__host_var` / <br> `elasticsearch__cluster_name__group_var` | A descriptive name for your cluster. <br>For the usage in `host_vars` / `group_vars` (can only be used in one group at a time). | `'my-application'` |
 | `elasticsearch__cluster_routing_allocation_awareness_attributes` | List of awareness attribute names to enable [shard allocation awareness](https://www.elastic.co/docs/deploy-manage/distributed-architecture/shard-allocation-relocation-recovery/shard-allocation-awareness). Distributes replicas across different attribute values to minimize risk of data loss during failures. Configure the same attributes on all master-eligible nodes | `[]` |
 | `elasticsearch__cluster_routing_allocation_awareness_force` | Dictionary for forced awareness to prevent replica overloading when a location fails. Key is the attribute name, value is list of expected attribute values. Elasticsearch will leave replicas unassigned rather than concentrating them in remaining locations. | `{}` |
-| `elasticsearch__cluster_routing_allocation_disk_watermark_low` | Float `0 <= n <= 1`. Low watermark percentage for [disk-based shard allocation](https://www.elastic.co/docs/reference/elasticsearch/configuration-reference/cluster-level-shard-allocation-routing-settings#disk-based-shard-allocation). Elasticsearch will not allocate shards to nodes whose disk usage exceeds this percentage | `0.85` |
-| `elasticsearch__cluster_routing_allocation_disk_watermark_high` | Float `0 <= n <= 1`. Low watermark percentage for [disk-based shard allocation](https://www.elastic.co/docs/reference/elasticsearch/configuration-reference/cluster-level-shard-allocation-routing-settings#disk-based-shard-allocation). Elasticsearch will not allocate shards to nodes whose disk usage exceeds this percentage | `0.9` |
 | `elasticsearch__cluster_routing_allocation_disk_watermark_flood_stage` | Float `0 <= n <= 1`. flood stage percentage for [disk-based shard allocation](https://www.elastic.co/docs/reference/elasticsearch/configuration-reference/cluster-level-shard-allocation-routing-settings#disk-based-shard-allocation). Elasticsearch enforces a read-only index block on every index that has one or more shards allocated on nodes having at least one disk exceeding the flood stage  | `0.95` |
+| `elasticsearch__cluster_routing_allocation_disk_watermark_high` | Float `0 <= n <= 1`. Low watermark percentage for [disk-based shard allocation](https://www.elastic.co/docs/reference/elasticsearch/configuration-reference/cluster-level-shard-allocation-routing-settings#disk-based-shard-allocation). Elasticsearch will not allocate shards to nodes whose disk usage exceeds this percentage | `0.9` |
+| `elasticsearch__cluster_routing_allocation_disk_watermark_low` | Float `0 <= n <= 1`. Low watermark percentage for [disk-based shard allocation](https://www.elastic.co/docs/reference/elasticsearch/configuration-reference/cluster-level-shard-allocation-routing-settings#disk-based-shard-allocation). Elasticsearch will not allocate shards to nodes whose disk usage exceeds this percentage | `0.85` |
 | `elasticsearch__discovery_seed_hosts` | A list of IPs or hostnames that point to all master-eligible nodes of the cluster. The port defaults to 9300 but can be overwritten using `:9301`, for example. | unset |
 | `elasticsearch__http_cert` | ASCII-armored PEM HTTP certificate. | unset |
 | `elasticsearch__http_key` | ASCII-armored PEM HTTP private key. | unset |

roles/elasticsearch/defaults/main.yml

@@ -20,9 +20,9 @@ elasticsearch__cluster_name__host_var: ''
 elasticsearch__cluster_name__role_var: 'my-application'
 elasticsearch__cluster_routing_allocation_awareness_attributes: []
 elasticsearch__cluster_routing_allocation_awareness_force: {}
-elasticsearch__cluster_routing_allocation_disk_watermark_low: 0.85
-elasticsearch__cluster_routing_allocation_disk_watermark_high: 0.9
 elasticsearch__cluster_routing_allocation_disk_watermark_flood_stage: 0.95
+elasticsearch__cluster_routing_allocation_disk_watermark_high: 0.9
+elasticsearch__cluster_routing_allocation_disk_watermark_low: 0.85
 elasticsearch__network_host: '_local_'
 elasticsearch__node_attributes: {}
 elasticsearch__node_name: '{{ ansible_facts["nodename"] }}'

roles/elasticsearch/templates/etc/elasticsearch/elasticsearch.yml.j2

@@ -1,5 +1,5 @@
 # {{ ansible_managed }}
-# 2026030601
+# 2026031901
 # ======================== Elasticsearch Configuration =========================
 #
 # NOTE: Elasticsearch comes with reasonable defaults for most settings.
@@ -106,9 +106,9 @@ cluster.routing.allocation.awareness.force.{{ key }}.values: '{{ values | join("
 {% endfor %}
 {% endif %}
 #
-cluster.routing.allocation.disk.watermark.low: {{ elasticsearch__cluster_routing_allocation_disk_watermark_low }}
-cluster.routing.allocation.disk.watermark.high: {{ elasticsearch__cluster_routing_allocation_disk_watermark_high }}
 cluster.routing.allocation.disk.watermark.flood_stage: {{ elasticsearch__cluster_routing_allocation_disk_watermark_flood_stage }}
+cluster.routing.allocation.disk.watermark.high: {{ elasticsearch__cluster_routing_allocation_disk_watermark_high }}
+cluster.routing.allocation.disk.watermark.low: {{ elasticsearch__cluster_routing_allocation_disk_watermark_low }}
 #
 # ---------------------------------- Various -----------------------------------
 #