Watch tls certs for redis and memcached

[lmiccini]

By adding the hash of the certificate to the statefulset we react to certificate changes.

Let's also take the chance to remove pkg/redis/deployment (unused).

[stuggi]

/lgtm

the memcached deployment now has the expected CONFIG_HASH env var

https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/test-platform-results/pr-logs/pull/openstack-k8s-operators_infra-operator/269/pull-ci-openstack-k8s-operators-infra-operator-main-infra-operator-build-deploy-kuttl/1833030539049701376/artifacts/infra-operator-build-deploy-kuttl/openstack-k8s-operators-gather/artifacts/must-gather/quay-io-openstack-k8s-operators-openstack-must-gather-sha256-211f90ff2d5a288b456ac8666f2a46280f4e5035fe6c304d3aab966ac9659fff/namespaces/openstack/pods/memcached-0/memcached-0-describe

Containers:
memcached:
Container ID: cri-o://7bde648dcc0ccf306b39e06c3702d3572d855b13b92b7a2a7abd1489930a4460
Image: quay.io/podified-antelope-centos9/openstack-memcached@sha256:07842c4950027d42a456e7dbd474c4af6a9771bb5d50f8133508328154131308
Image ID: quay.io/podified-antelope-centos9/openstack-memcached@sha256:07842c4950027d42a456e7dbd474c4af6a9771bb5d50f8133508328154131308
Ports: 11211/TCP, 11212/TCP
Host Ports: 0/TCP, 0/TCP
Command:
/usr/bin/dumb-init
--
/usr/local/bin/kolla_start
State: Running
Started: Mon, 09 Sep 2024 07:23:39 +0000
Ready: True
Restart Count: 0
Liveness: tcp-socket :11211 delay=3s timeout=5s period=3s #success=1 #failure=3
Readiness: tcp-socket :11211 delay=5s timeout=5s period=5s #success=1 #failure=3
Environment:
KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
POD_IPS: (v1:status.podIPs)
CONFIG_HASH: n5d4h68ch8ch7ch67dh5c5h686h66h67fh694hf8hbch5bchb7h687hfh5bfh5bdh656h57ch668hb4h5b9h5d5hc8h56dh558h58ch5f9h68ch55bh86q

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lmiccini, stuggi

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[stuggi]

/override ci/prow/infra-operator-build-deploy-kuttl

[openshift-ci]

@stuggi: Overrode contexts on behalf of stuggi: ci/prow/infra-operator-build-deploy-kuttl

In response to this:

/override ci/prow/infra-operator-build-deploy-kuttl

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[openshift-ci]

@lmiccini: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/infra-operator-build-deploy-kuttl	968a83a	link	unknown	/test infra-operator-build-deploy-kuttl

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