CASMINST-6961: DR: Create script to restart iPXE deployments

scripts/operations/system_recovery/restart_ipxe.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+#
+# MIT License
+#
+# (C) Copyright 2024 Hewlett Packard Enterprise Development LP
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+
+locOfScript=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
+# Inform ShellCheck about the file we are sourcing
+# shellcheck source=../configuration/bash_lib/common.sh
+. "${locOfScript}/../configuration/bash_lib/common.sh"
+
+set -o pipefail
+
+function usage {
+  echo "Usage: restart_ipxe.sh" >&2
+  echo >&2
+  echo "Restarts the Kubernetes cms-ipxe deployment and waits until the restart completes." >&2
+  echo >&2
+}
+
+NS=services
+K8S_INSTANCE=cms-ipxe
+
+[[ $# -eq 0 ]] || usage_err_exit "This script takes no arguments"
+
+echo "Restarting iPXE deployments"
+
+deployment_names=$(kubectl get deployments -n "${NS}" --no-headers -o custom-columns=':.metadata.name' -l "app.kubernetes.io/instance=${K8S_INSTANCE}") \
+  || err_exit "Command failed: kubectl get deployments -n '${NS}' --no-headers -o custom-columns=':.metadata.name' -l 'app.kubernetes.io/instance=${K8S_INSTANCE}'"
+
+[[ -n ${deployment_names} ]] || err_exit "No '${K8S_INSTANCE}' Kubernetes deployments found in '${NS}' namespace"
+
+run_cmd kubectl rollout restart deployment -n services ${deployment_names}
+
+for name in ${deployment_names}; do
+  run_cmd kubectl rollout status deployment -n services ${name}
+done
+
+echo "SUCCESS: iPXE deployments restarted"
+exit 0