ci: update minimum k8s supported version to 1.28

with this commit we are updating min supported k8s
version to 1.28 from 1.27 in docs and CI both.

Signed-off-by: subhamkrai <srai@redhat.com>

.github/workflows/integration-test-helm-suite.yaml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-keystone-auth-suite.yaml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-mgr-suite.yaml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.32.0"]
+        kubernetes-versions: ["v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-multi-cluster-suite.yaml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.32.0"]
+        kubernetes-versions: ["v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-object-suite.yaml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-smoke-suite.yaml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-upgrade-suite.yaml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -73,7 +73,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-tests-on-release.yaml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.28.15", "v1.30.8", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.29.15", "v1.30.11", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -61,7 +61,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.28.15", "v1.30.8", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.29.15", "v1.30.11", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -102,7 +102,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.28.15", "v1.30.8", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.29.15", "v1.30.11", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -140,7 +140,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.28.15", "v1.30.8", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.29.15", "v1.30.11", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -178,7 +178,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.28.15", "v1.30.8", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.29.15", "v1.30.11", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -219,7 +219,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-versions: ["v1.27.16", "v1.32.0"]
+        kubernetes-versions: ["v1.28.15", "v1.32.3"]
     steps:
       - name: checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.mergify.yml

@@ -235,17 +235,17 @@ pull_request_rules:
       - "check-success=canary-tests / raw-disk-with-object (quay.io/ceph/ceph:v19)"
       - "check-success=canary-tests / two-object-one-zone (quay.io/ceph/ceph:v19)"
       - "check-success=canary-tests / two-osds-in-device (quay.io/ceph/ceph:v19)"
-      - "check-success=TestCephHelmSuite (v1.27.16)"
-      - "check-success=TestCephHelmSuite (v1.32.0)"
-      - "check-success=TestCephMultiClusterDeploySuite (v1.32.0)"
-      - "check-success=TestCephObjectSuite (v1.27.16)"
-      - "check-success=TestCephObjectSuite (v1.32.0)"
-      - "check-success=TestCephSmokeSuite (v1.27.16)"
-      - "check-success=TestCephSmokeSuite (v1.32.0)"
-      - "check-success=TestCephUpgradeSuite (v1.27.16)"
-      - "check-success=TestCephUpgradeSuite (v1.32.0)"
-      - "check-success=TestHelmUpgradeSuite (v1.27.16)"
-      - "check-success=TestHelmUpgradeSuite (v1.32.0)"
+      - "check-success=TestCephHelmSuite (v1.28.15)"
+      - "check-success=TestCephHelmSuite (v1.32.3)"
+      - "check-success=TestCephMultiClusterDeploySuite (v1.32.3)"
+      - "check-success=TestCephObjectSuite (v1.28.15)"
+      - "check-success=TestCephObjectSuite (v1.32.3)"
+      - "check-success=TestCephSmokeSuite (v1.28.15)"
+      - "check-success=TestCephSmokeSuite (v1.32.3)"
+      - "check-success=TestCephUpgradeSuite (v1.28.15)"
+      - "check-success=TestCephUpgradeSuite (v1.32.3)"
+      - "check-success=TestHelmUpgradeSuite (v1.28.15)"
+      - "check-success=TestHelmUpgradeSuite (v1.32.3)"
     actions:
       merge:
         method: merge

Documentation/Getting-Started/Prerequisites/prerequisites.md

@@ -7,7 +7,7 @@ and Rook is granted the required privileges (see below for more information).
 
 ## Kubernetes Version
 
-Kubernetes versions **v1.27** through **v1.32** are supported.
+Kubernetes versions **v1.28** through **v1.32** are supported.
 
 ## CPU Architecture
 

Documentation/Getting-Started/quickstart.md

@@ -12,7 +12,7 @@ This guide will walk through the basic setup of a Ceph cluster and enable K8s ap
 
 ## Kubernetes Version
 
-Kubernetes versions **v1.27** through **v1.32** are supported.
+Kubernetes versions **v1.28** through **v1.32** are supported.
 
 ## CPU Architecture