Update repo GPG key for influxdata.

According to https://www.influxdata.com/blog/package-signing-key-rotation
the preferred signing key for influxdata package repositories
changed in early 2026. Update to the new preferred key.

Closes-Bug: #2138095

Change-Id: I77d38e713678ea653ded3b14fd0541d3ec0ebee6
Signed-off-by: Michael Still <mikal@stillhq.com>

docker/base/Dockerfile.j2

@@ -247,7 +247,7 @@ COPY apt_preferences /etc/apt/preferences.d/kolla-custom
    {'name': 'docker-ce', 'url': 'https://download.docker.com/linux/debian/gpg'},
    {'name': 'fluentd', 'url': 'https://fluentd.cdn.cncf.io/GPG-KEY-fluent-package'},
    {'name': 'grafana', 'url': 'https://rpm.grafana.com/gpg.key'},
-   {'name': 'influxdb', 'url': 'https://repos.influxdata.com/influxdata-archive_compat.key'},
+   {'name': 'influxdb', 'url': 'https://repos.influxdata.com/influxdata-archive.key'},
    {'name': 'mariadb', 'url': 'https://downloads.mariadb.com/MariaDB/mariadb-keyring-2019.gpg', 'type': 'gpg'},
    {'name': 'opensearch', 'url': 'https://artifacts.opensearch.org/publickeys/opensearch-release.pgp'},
    {'name': 'proxysql', 'url': 'https://repo.proxysql.com/ProxySQL/proxysql-3.0.x/repo_pub_key'},

kolla/template/repos.yaml

@@ -147,7 +147,7 @@ rpm:
     distro: true
   influxdb:
     baseurl: "https://repos.influxdata.com/rhel/9/$basearch/stable"
-    gpgkey: "https://repos.influxdata.com/influxdata-archive_compat.key"
+    gpgkey: "https://repos.influxdata.com/influxdata-archive.key"
     name: "influxdb"
   kolla_el10:
     baseurl: "https://download.copr.fedorainfracloud.org/results/@openstack-kolla/el10-missing/epel-10-$basearch/"

releasenotes/notes/influxdb-repo-gpg-key-04eb924f249e54a5.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Updates the InfluxDB repository GPG key from the expired
+    ``influxdata-archive_compat.key`` to the recommended
+    ``influxdata-archive.key`` as per https://repos.influxdata.com.