From 6df7648cd87c9342d62009f10e2c68d1652fce6f Mon Sep 17 00:00:00 2001
From: root <root@genestack-controller1.lab.underworld.local>
Date: Fri, 16 Feb 2024 22:27:39 +0000
Subject: [PATCH] Include external ceph import script

Signed-off-by: Tim Olow <tim@eth0.com>
---
 scripts/import-external-cluster.sh | 353 +++++++++++++++++++++++++++++
 1 file changed, 353 insertions(+)
 create mode 100755 scripts/import-external-cluster.sh

diff --git a/scripts/import-external-cluster.sh b/scripts/import-external-cluster.sh
new file mode 100755
index 000000000..802ad1549
--- /dev/null
+++ b/scripts/import-external-cluster.sh
@@ -0,0 +1,353 @@
+#!/usr/bin/env -S bash
+set -e
+
+##############
+# VARIABLES #
+#############
+NAMESPACE=${NAMESPACE:="rook-ceph-external"}
+MON_SECRET_NAME=rook-ceph-mon
+RGW_ADMIN_OPS_USER_SECRET_NAME=rgw-admin-ops-user
+MON_SECRET_CLUSTER_NAME_KEYNAME=cluster-name
+MON_SECRET_FSID_KEYNAME=fsid
+MON_SECRET_ADMIN_KEYRING_KEYNAME=admin-secret
+MON_SECRET_MON_KEYRING_KEYNAME=mon-secret
+MON_SECRET_CEPH_USERNAME_KEYNAME=ceph-username
+MON_SECRET_CEPH_SECRET_KEYNAME=ceph-secret
+MON_ENDPOINT_CONFIGMAP_NAME=rook-ceph-mon-endpoints
+ROOK_EXTERNAL_CLUSTER_NAME=$NAMESPACE
+ROOK_RBD_FEATURES=${ROOK_RBD_FEATURES:-"layering"}
+ROOK_EXTERNAL_MAX_MON_ID=2
+ROOK_EXTERNAL_MAPPING={}
+RBD_STORAGE_CLASS_NAME=general
+CEPHFS_STORAGE_CLASS_NAME=general-multi-attach
+ROOK_EXTERNAL_MONITOR_SECRET=mon-secret
+OPERATOR_NAMESPACE=rook-ceph                                 # default set to rook-ceph
+CSI_DRIVER_NAME_PREFIX=${CSI_DRIVER_NAME_PREFIX:-$OPERATOR_NAMESPACE}
+RBD_PROVISIONER=$CSI_DRIVER_NAME_PREFIX".rbd.csi.ceph.com"       # csi-provisioner-name
+CEPHFS_PROVISIONER=$CSI_DRIVER_NAME_PREFIX".cephfs.csi.ceph.com" # csi-provisioner-name
+CLUSTER_ID_RBD=$NAMESPACE
+CLUSTER_ID_CEPHFS=$NAMESPACE
+: "${ROOK_EXTERNAL_ADMIN_SECRET:=admin-secret}"
+
+#############
+# FUNCTIONS #
+#############
+
+function checkEnvVars() {
+  if [ -z "$NAMESPACE" ]; then
+    echo "Please populate the environment variable NAMESPACE"
+    exit 1
+  fi
+  if [ -z "$ROOK_RBD_FEATURES" ] || [[ ! "$ROOK_RBD_FEATURES" =~ .*"layering".* ]]; then
+    echo "Please populate the environment variable ROOK_RBD_FEATURES"
+    echo "For a kernel earlier than 5.4 use a value of 'layering'; for 5.4 or later"
+    echo "use 'layering,fast-diff,object-map,deep-flatten,exclusive-lock'"
+    exit 1
+  fi
+  if [ -z "$ROOK_EXTERNAL_FSID" ]; then
+    echo "Please populate the environment variable ROOK_EXTERNAL_FSID"
+    exit 1
+  fi
+  if [ -z "$ROOK_EXTERNAL_CEPH_MON_DATA" ]; then
+    echo "Please populate the environment variable ROOK_EXTERNAL_CEPH_MON_DATA"
+    exit 1
+  fi
+  if [[ "$ROOK_EXTERNAL_ADMIN_SECRET" == "admin-secret" ]]; then
+    if [ -z "$ROOK_EXTERNAL_USER_SECRET" ]; then
+      echo "Please populate the environment variable ROOK_EXTERNAL_USER_SECRET"
+      exit 1
+    fi
+    if [ -z "$ROOK_EXTERNAL_USERNAME" ]; then
+      echo "Please populate the environment variable ROOK_EXTERNAL_USERNAME"
+      exit 1
+    fi
+  fi
+  if [[ "$ROOK_EXTERNAL_ADMIN_SECRET" != "admin-secret" ]] && [ -n "$ROOK_EXTERNAL_USER_SECRET" ]; then
+    echo "Providing both ROOK_EXTERNAL_ADMIN_SECRET and ROOK_EXTERNAL_USER_SECRET is not supported, choose one only."
+    exit 1
+  fi
+}
+
+function createClusterNamespace() {
+  if ! kubectl get namespace "$NAMESPACE" &>/dev/null; then
+    kubectl \
+      create \
+      namespace \
+      "$NAMESPACE"
+  else
+    echo "cluster namespace $NAMESPACE already exists"
+  fi
+}
+
+function createRadosNamespaceCR() {
+  if ! kubectl -n "$NAMESPACE" get CephBlockPoolRadosNamespace $RADOS_NAMESPACE &>/dev/null; then
+    cat <<eof | kubectl create -f -
+apiVersion: ceph.rook.io/v1
+kind: CephBlockPoolRadosNamespace
+metadata:
+  name: $RADOS_NAMESPACE
+  namespace: $NAMESPACE # namespace:cluster
+spec:
+  # blockPoolName is the name of the CephBlockPool CR where the namespace will be created.
+  blockPoolName: $RBD_POOL_NAME
+eof
+  else
+    echo "radosnamespace $RADOS_NAMESPACE already exists"
+  fi
+}
+
+function createSubvolumeGroupCR() {
+  if ! kubectl -n "$NAMESPACE" get CephFilesystemSubVolumeGroup $SUBVOLUME_GROUP &>/dev/null; then
+    cat <<eof | kubectl create -f -
+---
+apiVersion: ceph.rook.io/v1
+kind: CephFilesystemSubVolumeGroup
+metadata:
+  name: $SUBVOLUME_GROUP
+  namespace: $NAMESPACE # namespace:cluster
+spec:
+  # filesystemName is the metadata name of the CephFilesystem CR where the subvolume group will be created
+  filesystemName: $CEPHFS_FS_NAME
+eof
+  else
+    echo "subvolumegroup $SUBVOLUME_GROUP already exists"
+  fi
+}
+
+function importClusterID() {
+  if [ -n "$RADOS_NAMESPACE" ]; then
+    createRadosNamespaceCR
+    timeout 20 sh -c "until [ $(kubectl -n "$NAMESPACE" get CephBlockPoolRadosNamespace/"$RADOS_NAMESPACE" -o jsonpath='{.status.phase}' | grep -c "Ready") -eq 1 ]; do echo "waiting for radosNamespace to get created" && sleep 1; done"
+    CLUSTER_ID_RBD=$(kubectl -n "$NAMESPACE" get cephblockpoolradosnamespace.ceph.rook.io/"$RADOS_NAMESPACE" -o jsonpath='{.status.info.clusterID}')
+  fi
+  if [ -n "$SUBVOLUME_GROUP" ]; then
+    createSubvolumeGroupCR
+    timeout 20 sh -c "until [ $(kubectl -n "$NAMESPACE" get CephFilesystemSubVolumeGroup/"$SUBVOLUME_GROUP" -o jsonpath='{.status.phase}' | grep -c "Ready") -eq 1 ]; do echo "waiting for radosNamespace to get created" && sleep 1; done"
+    CLUSTER_ID_CEPHFS=$(kubectl -n "$NAMESPACE" get cephfilesystemsubvolumegroup.ceph.rook.io/"$SUBVOLUME_GROUP" -o jsonpath='{.status.info.clusterID}')
+  fi
+}
+
+function importSecret() {
+  if ! kubectl -n "$NAMESPACE" get secret "$MON_SECRET_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      secret \
+      generic \
+      --type="kubernetes.io/rook" \
+      "$MON_SECRET_NAME" \
+      --from-literal="$MON_SECRET_CLUSTER_NAME_KEYNAME"="$ROOK_EXTERNAL_CLUSTER_NAME" \
+      --from-literal="$MON_SECRET_FSID_KEYNAME"="$ROOK_EXTERNAL_FSID" \
+      --from-literal="$MON_SECRET_ADMIN_KEYRING_KEYNAME"="$ROOK_EXTERNAL_ADMIN_SECRET" \
+      --from-literal="$MON_SECRET_MON_KEYRING_KEYNAME"="$ROOK_EXTERNAL_MONITOR_SECRET" \
+      --from-literal="$MON_SECRET_CEPH_USERNAME_KEYNAME"="$ROOK_EXTERNAL_USERNAME" \
+      --from-literal="$MON_SECRET_CEPH_SECRET_KEYNAME"="$ROOK_EXTERNAL_USER_SECRET"
+  else
+    echo "secret $MON_SECRET_NAME already exists"
+  fi
+}
+
+function importConfigMap() {
+  if ! kubectl -n "$NAMESPACE" get configmap "$MON_ENDPOINT_CONFIGMAP_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      configmap \
+      "$MON_ENDPOINT_CONFIGMAP_NAME" \
+      --from-literal=data="$ROOK_EXTERNAL_CEPH_MON_DATA" \
+      --from-literal=mapping="$ROOK_EXTERNAL_MAPPING" \
+      --from-literal=maxMonId="$ROOK_EXTERNAL_MAX_MON_ID"
+  else
+    echo "configmap $MON_ENDPOINT_CONFIGMAP_NAME already exists"
+  fi
+}
+
+function importCsiRBDNodeSecret() {
+  if ! kubectl -n "$NAMESPACE" get secret "rook-$CSI_RBD_NODE_SECRET_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      secret \
+      generic \
+      --type="kubernetes.io/rook" \
+      "rook-""$CSI_RBD_NODE_SECRET_NAME" \
+      --from-literal=userID="$CSI_RBD_NODE_SECRET_NAME" \
+      --from-literal=userKey="$CSI_RBD_NODE_SECRET"
+  else
+    echo "secret rook-$CSI_RBD_NODE_SECRET_NAME already exists"
+  fi
+}
+
+function importCsiRBDProvisionerSecret() {
+  if ! kubectl -n "$NAMESPACE" get secret "rook-$CSI_RBD_PROVISIONER_SECRET_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      secret \
+      generic \
+      --type="kubernetes.io/rook" \
+      "rook-""$CSI_RBD_PROVISIONER_SECRET_NAME" \
+      --from-literal=userID="$CSI_RBD_PROVISIONER_SECRET_NAME" \
+      --from-literal=userKey="$CSI_RBD_PROVISIONER_SECRET"
+  else
+    echo "secret $CSI_RBD_PROVISIONER_SECRET_NAME already exists"
+  fi
+}
+
+function importCsiCephFSNodeSecret() {
+  if ! kubectl -n "$NAMESPACE" get secret "rook-$CSI_CEPHFS_NODE_SECRET_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      secret \
+      generic \
+      --type="kubernetes.io/rook" \
+      "rook-""$CSI_CEPHFS_NODE_SECRET_NAME" \
+      --from-literal=adminID="$CSI_CEPHFS_NODE_SECRET_NAME" \
+      --from-literal=adminKey="$CSI_CEPHFS_NODE_SECRET"
+  else
+    echo "secret $CSI_CEPHFS_NODE_SECRET_NAME already exists"
+  fi
+}
+
+function importCsiCephFSProvisionerSecret() {
+  if ! kubectl -n "$NAMESPACE" get secret "rook-$CSI_CEPHFS_PROVISIONER_SECRET_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      secret \
+      generic \
+      --type="kubernetes.io/rook" \
+      "rook-""$CSI_CEPHFS_PROVISIONER_SECRET_NAME" \
+      --from-literal=adminID="$CSI_CEPHFS_PROVISIONER_SECRET_NAME" \
+      --from-literal=adminKey="$CSI_CEPHFS_PROVISIONER_SECRET"
+  else
+    echo "secret $CSI_CEPHFS_PROVISIONER_SECRET_NAME already exists"
+  fi
+}
+
+function importRGWAdminOpsUser() {
+  if ! kubectl -n "$NAMESPACE" get secret "$RGW_ADMIN_OPS_USER_SECRET_NAME" &>/dev/null; then
+    kubectl -n "$NAMESPACE" \
+      create \
+      secret \
+      generic \
+      --type="kubernetes.io/rook" \
+      "$RGW_ADMIN_OPS_USER_SECRET_NAME" \
+      --from-literal=accessKey="$RGW_ADMIN_OPS_USER_ACCESS_KEY" \
+      --from-literal=secretKey="$RGW_ADMIN_OPS_USER_SECRET_KEY"
+  else
+    echo "secret $RGW_ADMIN_OPS_USER_SECRET_NAME already exists"
+  fi
+}
+
+function createECRBDStorageClass() {
+  if ! kubectl -n "$NAMESPACE" get storageclass $RBD_STORAGE_CLASS_NAME &>/dev/null; then
+    cat <<eof | kubectl create -f -
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: $RBD_STORAGE_CLASS_NAME
+provisioner: $RBD_PROVISIONER
+parameters:
+  clusterID: $CLUSTER_ID_RBD
+  pool: $RBD_METADATA_EC_POOL_NAME
+  dataPool: $RBD_POOL_NAME
+  imageFormat: "2"
+  imageFeatures: $ROOK_RBD_FEATURES
+  csi.storage.k8s.io/provisioner-secret-name: "rook-$CSI_RBD_PROVISIONER_SECRET_NAME"
+  csi.storage.k8s.io/provisioner-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/controller-expand-secret-name:  "rook-$CSI_RBD_PROVISIONER_SECRET_NAME"
+  csi.storage.k8s.io/controller-expand-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/node-stage-secret-name: "rook-$CSI_RBD_NODE_SECRET_NAME"
+  csi.storage.k8s.io/node-stage-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/fstype: ext4
+allowVolumeExpansion: true
+reclaimPolicy: Delete
+eof
+  else
+    echo "storageclass $RBD_STORAGE_CLASS_NAME already exists"
+  fi
+}
+
+function createRBDStorageClass() {
+  if ! kubectl -n "$NAMESPACE" get storageclass $RBD_STORAGE_CLASS_NAME &>/dev/null; then
+    cat <<eof | kubectl create -f -
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: $RBD_STORAGE_CLASS_NAME
+provisioner: $RBD_PROVISIONER
+parameters:
+  clusterID: $CLUSTER_ID_RBD
+  pool: $RBD_POOL_NAME
+  imageFormat: "2"
+  imageFeatures: $ROOK_RBD_FEATURES
+  csi.storage.k8s.io/provisioner-secret-name: "rook-$CSI_RBD_PROVISIONER_SECRET_NAME"
+  csi.storage.k8s.io/provisioner-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/controller-expand-secret-name:  "rook-$CSI_RBD_PROVISIONER_SECRET_NAME"
+  csi.storage.k8s.io/controller-expand-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/node-stage-secret-name: "rook-$CSI_RBD_NODE_SECRET_NAME"
+  csi.storage.k8s.io/node-stage-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/fstype: ext4
+allowVolumeExpansion: true
+reclaimPolicy: Delete
+eof
+  else
+    echo "storageclass $RBD_STORAGE_CLASS_NAME already exists"
+  fi
+}
+
+function createCephFSStorageClass() {
+  if ! kubectl -n "$NAMESPACE" get storageclass $CEPHFS_STORAGE_CLASS_NAME &>/dev/null; then
+    cat <<eof | kubectl create -f -
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: $CEPHFS_STORAGE_CLASS_NAME
+provisioner: $CEPHFS_PROVISIONER
+parameters:
+  clusterID: $CLUSTER_ID_CEPHFS
+  fsName: $CEPHFS_FS_NAME
+  pool: $CEPHFS_POOL_NAME
+  csi.storage.k8s.io/provisioner-secret-name: "rook-$CSI_CEPHFS_PROVISIONER_SECRET_NAME"
+  csi.storage.k8s.io/provisioner-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/controller-expand-secret-name: "rook-$CSI_CEPHFS_PROVISIONER_SECRET_NAME"
+  csi.storage.k8s.io/controller-expand-secret-namespace: $NAMESPACE
+  csi.storage.k8s.io/node-stage-secret-name: "rook-$CSI_CEPHFS_NODE_SECRET_NAME"
+  csi.storage.k8s.io/node-stage-secret-namespace: $NAMESPACE
+allowVolumeExpansion: true
+reclaimPolicy: Delete
+eof
+  else
+    echo "storageclass $CEPHFS_STORAGE_CLASS_NAME already exists"
+  fi
+}
+
+########
+# MAIN #
+########
+checkEnvVars
+createClusterNamespace
+importClusterID
+importSecret
+importConfigMap
+if [ -n "$CSI_RBD_NODE_SECRET_NAME" ] && [ -n "$CSI_RBD_NODE_SECRET" ]; then
+  importCsiRBDNodeSecret
+fi
+if [ -n "$CSI_RBD_PROVISIONER_SECRET_NAME" ] && [ -n "$CSI_RBD_PROVISIONER_SECRET" ]; then
+  importCsiRBDProvisionerSecret
+fi
+if [ -n "$RGW_ADMIN_OPS_USER_ACCESS_KEY" ] && [ -n "$RGW_ADMIN_OPS_USER_SECRET_KEY" ]; then
+  importRGWAdminOpsUser
+fi
+if [ -n "$CSI_CEPHFS_NODE_SECRET_NAME" ] && [ -n "$CSI_CEPHFS_NODE_SECRET" ]; then
+  importCsiCephFSNodeSecret
+fi
+if [ -n "$CSI_CEPHFS_PROVISIONER_SECRET_NAME" ] && [ -n "$CSI_CEPHFS_PROVISIONER_SECRET" ]; then
+  importCsiCephFSProvisionerSecret
+fi
+if [ -n "$RBD_POOL_NAME" ]; then
+  if [ -n "$RBD_METADATA_EC_POOL_NAME" ]; then
+    createECRBDStorageClass
+  else
+    createRBDStorageClass
+  fi
+fi
+if [ -n "$CEPHFS_FS_NAME" ] && [ -n "$CEPHFS_POOL_NAME" ]; then
+  createCephFSStorageClass
+fi