From a08ba1c5e362fe294759339ffe3fdf3408149788 Mon Sep 17 00:00:00 2001
From: Dean Troyer <dtroyer@gmail.com>
Date: Thu, 12 Jun 2014 18:45:42 -0500
Subject: [PATCH] Add NetApp Cinder backend support

Supports both iSCSI and NFS, and now both 7mode and cluster mode

Change-Id: If590a7a255268fcce4770c94956607251c36fdf5
---
 lib/cinder_backends/netapp_iscsi | 64 +++++++++++++++++++++++++++
 lib/cinder_backends/netapp_nfs   | 75 ++++++++++++++++++++++++++++++++
 2 files changed, 139 insertions(+)
 create mode 100644 lib/cinder_backends/netapp_iscsi
 create mode 100644 lib/cinder_backends/netapp_nfs

diff --git a/lib/cinder_backends/netapp_iscsi b/lib/cinder_backends/netapp_iscsi
new file mode 100644
index 0000000000..7a67da7a26
--- /dev/null
+++ b/lib/cinder_backends/netapp_iscsi
@@ -0,0 +1,64 @@
+# lib/cinder_backends/netapp_iscsi
+# Configure the NetApp iSCSI driver
+
+# Enable with:
+#
+#  iSCSI:
+#   CINDER_ENABLED_BACKENDS+=,netapp_iscsi:<volume-type-name>
+
+# Dependencies:
+#
+# - ``functions`` file
+# - ``cinder`` configurations
+
+# ``CINDER_CONF``
+# ``CINDER_CONF_DIR``
+# ``CINDER_ENABLED_BACKENDS``
+
+# configure_cinder_backend_netapp_iscsi - configure iSCSI
+
+# Save trace setting
+MY_XTRACE=$(set +o | grep xtrace)
+set +o xtrace
+
+
+# Entry Points
+# ------------
+
+# configure_cinder_backend_netapp_iscsi - Set config files, create data dirs, etc
+function configure_cinder_backend_netapp_iscsi {
+    # To use NetApp, set the following in local.conf:
+    # CINDER_ENABLED_BACKENDS+=,netapp_iscsi:<volume-type-name>
+    # NETAPP_MODE=ontap_7mode|ontap_cluster
+    # NETAPP_IP=<mgmt-ip>
+    # NETAPP_LOGIN=<admin-account>
+    # NETAPP_PASSWORD=<admin-password>
+    # NETAPP_ISCSI_VOLUME_LIST=<volumes>
+
+    # In ontap_cluster mode, the following also needs to be defined:
+    # NETAPP_ISCSI_VSERVER=<vserver-name>
+
+    local be_name=$1
+    iniset $CINDER_CONF $be_name volume_backend_name $be_name
+    iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.netapp.common.NetAppDriver"
+    iniset $CINDER_CONF $be_name netapp_storage_family ${NETAPP_MODE:-ontap_7mode}
+    iniset $CINDER_CONF $be_name netapp_server_hostname $NETAPP_IP
+    iniset $CINDER_CONF $be_name netapp_login $NETAPP_LOGIN
+    iniset $CINDER_CONF $be_name netapp_password $NETAPP_PASSWORD
+    iniset $CINDER_CONF $be_name netapp_volume_list $NETAPP_ISCSI_VOLUME_LIST
+
+    iniset $CINDER_CONF $be_name netapp_storage_protocol iscsi
+    iniset $CINDER_CONF $be_name netapp_transport_type https
+
+    if [[ "$NETAPP_MODE" == "ontap_cluster" ]]; then
+        iniset $CINDER_CONF $be_name netapp_vserver $NETAPP_ISCSI_VSERVER
+    fi
+}
+
+
+# Restore xtrace
+$MY_XTRACE
+
+# Local variables:
+# mode: shell-script
+# End:
diff --git a/lib/cinder_backends/netapp_nfs b/lib/cinder_backends/netapp_nfs
new file mode 100644
index 0000000000..d90b7f7d19
--- /dev/null
+++ b/lib/cinder_backends/netapp_nfs
@@ -0,0 +1,75 @@
+# lib/cinder_backends/netapp_nfs
+# Configure the NetApp NFS driver
+
+# Enable with:
+#
+#  NFS:
+#   CINDER_ENABLED_BACKENDS+=,netapp_nfs:<volume-type-name>
+
+# Dependencies:
+#
+# - ``functions`` file
+# - ``cinder`` configurations
+
+# ``CINDER_CONF``
+# ``CINDER_CONF_DIR``
+# ``CINDER_ENABLED_BACKENDS``
+
+# configure_cinder_backend_netapp_nfs - configure NFS
+
+# Save trace setting
+MY_XTRACE=$(set +o | grep xtrace)
+set +o xtrace
+
+
+# Entry Points
+# ------------
+
+# configure_cinder_backend_netapp_nfs - Set config files, create data dirs, etc
+function configure_cinder_backend_netapp_nfs {
+    # To use NetApp, set the following in local.conf:
+    # CINDER_ENABLED_BACKENDS+=,netapp_nfs:<volume-type-name>
+    # NETAPP_MODE=ontap_7mode|ontap_cluster
+    # NETAPP_IP=<mgmt-ip>
+    # NETAPP_LOGIN=<admin-account>
+    # NETAPP_PASSWORD=<admin-password>
+    # NETAPP_NFS_VOLUME_LIST=<export-volumes>
+
+    # In ontap_cluster mode, the following also needs to be defined:
+    # NETAPP_NFS_VSERVER=<vserver-name>
+
+    local be_name=$1
+    iniset $CINDER_CONF $be_name volume_backend_name $be_name
+    iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.netapp.common.NetAppDriver"
+    iniset $CINDER_CONF $be_name netapp_storage_family ${NETAPP_MODE:-ontap_7mode}
+    iniset $CINDER_CONF $be_name netapp_server_hostname $NETAPP_IP
+    iniset $CINDER_CONF $be_name netapp_login $NETAPP_LOGIN
+    iniset $CINDER_CONF $be_name netapp_password $NETAPP_PASSWORD
+
+    iniset $CINDER_CONF $be_name netapp_storage_protocol nfs
+    iniset $CINDER_CONF $be_name netapp_transport_type https
+    iniset $CINDER_CONF $be_name nfs_shares_config $CINDER_CONF_DIR/netapp_shares.conf
+
+    echo "$NETAPP_NFS_VOLUME_LIST" | tee "$CINDER_CONF_DIR/netapp_shares.conf"
+
+    if [[ "$NETAPP_MODE" == "ontap_cluster" ]]; then
+        iniset $CINDER_CONF $be_name netapp_vserver $NETAPP_NFS_VSERVER
+    fi
+}
+
+function cleanup_cinder_backend_netapp_nfs {
+    # Clean up remaining NFS mounts
+    # Be blunt and do them all
+    local m
+    for m in $CINDER_STATE_PATH/mnt/*; do
+        sudo umount $m
+    done
+}
+
+
+# Restore xtrace
+$MY_XTRACE
+
+# Local variables:
+# mode: shell-script
+# End: