fatalerrors/init.sh
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first shot of Ceph rework

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fatalerrors
2025-08-11 20:04:58 +02:00
parent bb53e99894
commit 40b4428ebc
1 changed files with 53 additions and 29 deletions
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78
modules/conf_ceph.sh
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@@ -1,7 +1,7 @@
# ------------------------------------------------------------------------------
# Configure machine for ceph (or samba) mount
# Configure machine for ceph (or samba / NFS) mount
# This file is part of the init.sh project
# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
# Copyright (c) 2019-2025 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
# ------------------------------------------------------------------------------
# This file is distributed under 3-clause BSD license.
# The complete license agreement can be obtained at:
@@ -10,28 +10,39 @@
# Variable:
# * CEPH_SRV_NAMES: hosts names of ceph servers
# * CEPHIP_srv: with "srv" being a ceph server hostname, its corresponding IP
# * SHARED_HOME: Set at yes if homedir is a directory of the ceph mount
# * SMBSRV: Fallback samba server on unsupported architectures
# Mount points are hardcoded and should bet set differently
# * CEPH_MOUNTS: list of mounts to create
# * CEPH_MP_mount: mount point for the given "mount"
# * SHARED_HOME: Set at yes if homedir is a directory of the ceph mount (to be removed)
# * SMBSRV: Fallback samba server on unsupported architectures (not doing
# anything if undeclared)
# * NFSSRV: Fallback NFS server on unsupported architectures (not doing
# anything if undeclared)
# If both SMBSRV and NFSSRV are set on unsupported hardware, Samba will have a
# higher priority.
# ------------------------------------------------------------------------------
export VER_conf_ceph="0.0.5"
export VER_conf_ceph="1.0.0"
export DEP_conf_ceph=""
conf_ceph()
{
# Create mount point directories
prnt I "Creating mount points"
mkdir -pv /srv/ceph/share
mkdir -pv /share
local success=undef
local fstabchanged=false
# Determine the type of installation
if [[ $SYS_ARCH == "x86_64" || $SYS_ARCH == "i386" ]]; then
export CEPH_STATUS=ceph
else
if [[ -n $SMBSRV ]]; then
export CEPH_STATUS=smb
else
if [[ -n $NFSSRV ]]; then
export CEPH_STATUS=nfs
else
export CEPH_STATUS=none
fi
fi
fi
if [[ $CEPH_STATUS == ceph ]]; then
# Install ceph package
pkginst ceph-common
@@ -54,12 +65,15 @@ conf_ceph()
backup_dist /etc/fstab
prnt I "Adding ceph entries to /etc/fstab"
fstabchanged=true
tag_file /etc/fstab
echo >> /etc/fstab
local srvlist=$(echo $CEPH_SRV_NAMES | sed "s/ /,/g")
if [[ -z $(grep $srvlist /etc/fstab) ]]; then
echo "# Ceph :" >> /etc/fstab
echo "$srvlist:/ /srv/ceph ceph defaults,_netdev,name=admin,secret=$CEPH_SECRET 0 0" >> /etc/fstab
for mnt in $CEPH_MOUNTS; do
mkdir -pv $mnt
echo "$srvlist:/ $(eval echo \$CEPH_MP_$mnt) ceph defaults,_netdev,name=admin,secret=$CEPH_SECRET,id=$mnt 0 0" >> /etc/fstab
done
else
prnt W "Ceph entry already in /etc/fstab, nothing to do"
fi
@@ -70,21 +84,31 @@ conf_ceph()
backup_dist /etc/fstab
prnt I "Adding Samba entries to /etc/fstab"
fstabchanged=true
echo >> /etc/fstab
tag_file /etc/fstab
if [[ -z $(grep $SMBSRV /etc/fstab) ]]; then
echo "# Samba:" >> /etc/fstab
echo "//$SMBSRV/share /srv/ceph/share cifs defaults,_netdev,username=root,password= 0 0" >> /etc/fstab
for mnt in $CEPH_MOUNTS; do
echo "//$SMBSRV/$mnt $(eval echo \$CEPH_MP_$mnt) cifs defaults,_netdev,username=root,password= 0 0" >> /etc/fstab
done
else
prnt W "Samba entry already in /etc/fstab, nothing to do"
fi
success=yes
elif [[ $CEPH_STATUS == nfs ]]; then
tag_file /etc/fstab
: # To be implemented
elif [[ $CEPH_STATUS == none ]]; then
prnt W "No alternative set for unsuported hardware, nothing will be done."
return 0
else
prnt E "Ceph status not understood, the next tasks will probably fail"
prnt E "Ceph status not understood, something is wrong."
return 1
fi
if [[ $success == yes ]]; then
# TODO: Create some mount binds for convenience
# TODO: That part should be a different module with own configuration
if [[ -z $(grep "^/srv/ceph/share" /etc/fstab) ]]; then
fstabchanged=true
echo "/srv/ceph/share /share none defaults,_netdev,bind 0 0" >> /etc/fstab
if [[ $SHARED_HOME == 1 ]]; then
echo "/srv/ceph/share/home /home none defaults,_netdev,bind 0 0" >> /etc/fstab
@@ -94,18 +118,14 @@ conf_ceph()
prnt E "Failed creating original mount, not adding binded ones"
fi
if [[ $fstabchanged == true ]]; then
tag_file /etc/fstab
fi
unset fstabchanged
# Mount Ceph volumes if required
prnt I "Mounting ceph volumes"
[[ -z $(mount | grep "on /srv/ceph") ]] && mount -v /srv/ceph || mount -v /srv/ceph/share
[[ -z $(mount | grep "on /share") ]] && mount -v /share
if [[ $SHARED_HOME == "true" ]]; then
[[ -z $(mount | grep "on /home") ]] && mount -v /home
for mnt in $CEPH_MOUNTS; do
if [[ -z $(mount | grep "on $(eval echo "\$CEPH_MP_mnt)")" ]]; then
mount -v $(eval echo "\$CEPH_MP_mnt)")
fi
done
}
precheck_conf_ceph()
@@ -127,7 +147,11 @@ precheck_conf_ceph()
prnt I "If you don't want to put tour CEPH secret in configuration file,"
prnt m "you need to export it temporarily in your environment, using the"
prnt m "\"CEPH_SECRET\" variable."
exit 181
die 181
fi
if [[ -z $CEPH_MOUNTS ]]; then
prnt E "No CEPH mounts declared, despite reachable servers."
die 182
fi
else
prnt E "No CEPH server declared!"