131 lines
4.2 KiB
YAML
131 lines
4.2 KiB
YAML
apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: rook-ceph-tools
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namespace: rook-ceph # namespace:cluster
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labels:
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app: rook-ceph-tools
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: rook-ceph-tools
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template:
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metadata:
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labels:
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app: rook-ceph-tools
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spec:
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dnsPolicy: ClusterFirstWithHostNet
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containers:
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- name: rook-ceph-tools
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image: quay.io/ceph/ceph:v17.2.6
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command:
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- /bin/bash
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- -c
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- |
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# Replicate the script from toolbox.sh inline so the ceph image
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# can be run directly, instead of requiring the rook toolbox
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CEPH_CONFIG="/etc/ceph/ceph.conf"
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MON_CONFIG="/etc/rook/mon-endpoints"
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KEYRING_FILE="/etc/ceph/keyring"
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# create a ceph config file in its default location so ceph/rados tools can be used
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# without specifying any arguments
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write_endpoints() {
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endpoints=$(cat ${MON_CONFIG})
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# filter out the mon names
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# external cluster can have numbers or hyphens in mon names, handling them in regex
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# shellcheck disable=SC2001
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mon_endpoints=$(echo "${endpoints}"| sed 's/[a-z0-9_-]\+=//g')
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DATE=$(date)
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echo "$DATE writing mon endpoints to ${CEPH_CONFIG}: ${endpoints}"
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cat <<EOF > ${CEPH_CONFIG}
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[global]
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mon_host = ${mon_endpoints}
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[client.admin]
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keyring = ${KEYRING_FILE}
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EOF
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}
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# watch the endpoints config file and update if the mon endpoints ever change
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watch_endpoints() {
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# get the timestamp for the target of the soft link
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real_path=$(realpath ${MON_CONFIG})
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initial_time=$(stat -c %Z "${real_path}")
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while true; do
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real_path=$(realpath ${MON_CONFIG})
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latest_time=$(stat -c %Z "${real_path}")
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if [[ "${latest_time}" != "${initial_time}" ]]; then
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write_endpoints
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initial_time=${latest_time}
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fi
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sleep 10
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done
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}
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# read the secret from an env var (for backward compatibility), or from the secret file
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ceph_secret=${ROOK_CEPH_SECRET}
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if [[ "$ceph_secret" == "" ]]; then
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ceph_secret=$(cat /var/lib/rook-ceph-mon/secret.keyring)
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fi
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# create the keyring file
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cat <<EOF > ${KEYRING_FILE}
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[${ROOK_CEPH_USERNAME}]
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key = ${ceph_secret}
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EOF
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# write the initial config file
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write_endpoints
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# continuously update the mon endpoints if they fail over
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watch_endpoints
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imagePullPolicy: IfNotPresent
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tty: true
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securityContext:
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runAsNonRoot: true
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runAsUser: 2016
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runAsGroup: 2016
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capabilities:
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drop: ["ALL"]
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env:
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- name: ROOK_CEPH_USERNAME
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valueFrom:
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secretKeyRef:
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name: rook-ceph-mon
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key: ceph-username
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volumeMounts:
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- mountPath: /etc/ceph
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name: ceph-config
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- name: mon-endpoint-volume
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mountPath: /etc/rook
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- name: ceph-admin-secret
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mountPath: /var/lib/rook-ceph-mon
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readOnly: true
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volumes:
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- name: ceph-admin-secret
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secret:
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secretName: rook-ceph-mon
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optional: false
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items:
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- key: ceph-secret
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path: secret.keyring
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- name: mon-endpoint-volume
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configMap:
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name: rook-ceph-mon-endpoints
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items:
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- key: data
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path: mon-endpoints
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- name: ceph-config
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emptyDir: {}
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tolerations:
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- key: "node.kubernetes.io/unreachable"
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operator: "Exists"
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effect: "NoExecute"
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tolerationSeconds: 5
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