Merge branch 'master' of code.ungleich.ch:ungleich-public/ungleich-tools

This commit is contained in:
Nico Schottelius 2020-01-07 18:09:00 +01:00
commit 8782c522b2
5 changed files with 304 additions and 5 deletions

170
centos-build-opennebula-image.sh Executable file
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#!/bin/sh
# This script generates CentOS images for OpenNebula.
# Depends on the following packages (as of CentOS 8):
# qemu-img util-linux coreutils dnf curl e2fsprogs
# Run locally (without network) with:
# qemu-system-x86_64 -enable-kvm -m 1G -drive file=$IMAGE,format=qcow2
set -e
set -x
# XXX: Handle command-line arguments?
RELEASE=8
ARCH=x86_64
IMAGE_PATH=centos-$RELEASE-$(date --iso-8601).img
IMAGE_SIZE=10G
LOOPBACK_DEVICE=/dev/loop0
# TODO: find the package definition and built ourself, publish in some RPM repository.
ONE_CONTEXT_RPM_URL="https://github.com/OpenNebula/addon-context-linux/releases/download/v5.10.0/one-context-5.10.0-1.el8.noarch.rpm"
ONE_CONTEXT_RPM_PATH=/root/one-context.rpm
cleanup() {
# The order here is important.
umount /mnt/dev/pts 2>/dev/null || true
umount /mnt/dev/shm 2>/dev/null || true
umount /mnt/dev 2>/dev/null || true
umount /mnt/proc 2>/dev/null || true
umount /mnt/run 2>/dev/null || true
umount /mnt/sys 2>/dev/null || true
umount /mnt/boot 2>/dev/null || true
umount /mnt 2>/dev/null || true
losetup -d "$LOOPBACK_DEVICE"
}
run_root() {
chroot /mnt /usr/bin/env \
PATH=/sbin:/usr/sbin:/bin:/usr/bin \
sh -c "$*"
}
if [ "$(whoami)" != 'root' ]; then
echo "This script must be run as root." >&2
exit 1
fi
if [ ! -f '/etc/centos-release' ]; then
echo "WARNING: this script has been designed to run on a CentOS system." >&2
echo "WARNING: Not running CentOS. Giving you 5 seconds to abort." >&2
sleep 5
fi
# Create base RAW image (no LOOPBACK support in RHEL/CentOS).
qemu-img create -f raw "$IMAGE_PATH" "$IMAGE_SIZE"
losetup "$LOOPBACK_DEVICE" "$IMAGE_PATH"
# Don't forget to cleanup, even if the script crash.
trap cleanup EXIT
# Create partition table, format partitions.
{
sfdisk --no-reread "$LOOPBACK_DEVICE" <<EOF
1M,500M,L,*
,,L
EOF
} || true
partprobe "$LOOPBACK_DEVICE"
mkfs.ext4 "${LOOPBACK_DEVICE}p1"
mkfs.ext4 "${LOOPBACK_DEVICE}p2"
# Mount partitions, install base OS.
mount "${LOOPBACK_DEVICE}p2" /mnt
mkdir /mnt/boot
mount "${LOOPBACK_DEVICE}p1" /mnt/boot
dnf -y \
--releasever=$RELEASE \
--installroot=/mnt \
--disablerepo='*' \
--enablerepo=BaseOS \
--enablerepo=AppStream \
--enablerepo=extras \
--setopt=install_weak_deps=False install \
bash basesystem systemd systemd-udev dnf centos-release
mount --bind /dev /mnt/dev
mount --bind /dev/pts /mnt/dev/pts
mount --bind /dev/shm /mnt/dev/shm
mount --bind /proc /mnt/proc
mount --bind /run /mnt/run
mount --bind /sys /mnt/sys
# Guest networking is to be handled by the one-context package.
# See https://github.com/OpenNebula/addon-context-linux for details.
# Note: as of writing, one-context does not support NetworkManager or
# systemd-networkd.
# Required to resolve package mirror in chroot.
cp /etc/resolv.conf /mnt/etc/resolv.conf
# Initialize /etc/hosts.
cat > /mnt/etc/hosts << EOF
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
EOF
# See https://github.com/OpenNebula/addon-context-linux/issues/121 for details.
# network-scripts.x86_64 : Legacy scripts for manipulating of network devices
run_root dnf -y install network-scripts
# Install (magic?) one-context RPM and hope things works as expected.
curl -L "$ONE_CONTEXT_RPM_URL" > "/mnt$ONE_CONTEXT_RPM_PATH"
run_root dnf -y install "$ONE_CONTEXT_RPM_PATH"
run_root rm "$ONE_CONTEXT_RPM_PATH"
# Install resize2fs, which is required to resize the root file-system.
run_root dnf -y install e2fsprogs
# Initalize base services.
run_root systemd-machine-id-setup
run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime
# Install and configure NTP client.
run_root dnf install -y chrony
run_root systemctl enable chronyd.service
# Install kernel and bootloader.
# Note: linux-firmware is not required our environment and takes almost 200M
# uncompressed but is a direct dependency of kernel-core...
run_root dnf -y install kernel grub2
# Add support for virtio block devices at boot time.
cat > /mnt/etc/dracut.conf.d/virtio-blk.conf <<EOF
add_drivers="virtio-blk"
EOF
kernel_version=$(ls /mnt/boot | grep "vmlinuz.*.$ARCH" | cut -d- -f2-)
run_root dracut --force --kver $kernel_version
# Configure grub2.
run_root grub2-install --target=i386-pc "${LOOPBACK_DEVICE}"
run_root grub2-mkconfig -o /boot/grub2/grub.cfg
# Install en configure SSH daemon.
run_root dnf -y install openssh-server
run_root systemctl enable sshd
# Generate fstab file.
boot_uuid=$(blkid --match-tag UUID --output value "${LOOPBACK_DEVICE}p1")
root_uuid=$(blkid --match-tag UUID --output value "${LOOPBACK_DEVICE}p2")
cat >>/mnt/etc/fstab <<EOF
UUID=$boot_uuid /boot ext4 rw,relatime,data=ordered 0 2
UUID=$root_uuid / ext4 rw,relatime,data=ordered 0 1
EOF
# Reset systemd's environment.
run_root rm -f /etc/machine-id
run_root touch /etc/machine-id
rm -f /var/lib/systemd/random-seed
# Remove temporary files and reclaim freed disk space.
# Note: build logs could be removed as well.
run_root dnf clean all
# Make sure everything is written to disk before exiting.
sync

107
ceph-osd-create-start-alpine Executable file
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#!/bin/sh
# 17:19, 2018-02-09
# Nico Schottelius
# Based on ceph-disk -v prepare --bluestore /dev/sdc --osd-id ${ID} --osd-uuid $(uuidgen) --crush-device-class "ssd"
# Create:
# - block -> link to partuuid
# - block_uuid -e> uuid if the block
# - ceph_fsid -> get from ceph-conf
# crush_device_class -> ssd, hdd
# fsid -> uuidgen!
# magic -> string "ceph osd volume v026"
# type -> bluestore
fsid=$(ceph-conf --cluster=ceph --name=osd. --lookup fsid)
fs_uuid=$(uuidgen)
magic="ceph osd volume v026"
set -x
set -e
if [ $# -lt 2 ]; then
echo "$0 disk class [osdweight]"
echo "class = hdd or ssd"
exit 1
fi
export DEV=$1;shift
export CLASS=$1; shift
uuid_metadata=$(uuidgen)
uuid_block=$(uuidgen)
osd_id=$(ceph osd create)
dev_metadata="/dev/disk/by-partuuid/$uuid_metadata"
dev_block="/dev/disk/by-partuuid/$uuid_block"
/usr/bin/sgdisk --new=0:0:+100M --change-name="0:ceph data" \
--partition-guid="0:$uuid_metadata" \
--typecode=0:4fbd7e29-9d25-41b8-afd0-062c0ceff05d \
--mbrtogpt -- $DEV
/sbin/udevadm settle --timeout=600
# Using gdisk --largest-new does not change the name or set guid;
# So use 2 steps instead
/usr/bin/sgdisk --largest-new=0 --mbrtogpt -- $DEV
/sbin/udevadm settle --timeout=600
lastpart=$(gdisk -l $DEV | tail -n1 | awk '{ print $1 }')
/usr/bin/sgdisk --change-name="${lastpart}:ceph block" \
--partition-guid="${lastpart}:$uuid_block" \
--typecode="${lastpart}:cafecafe-9b03-4f30-b4c6-b4b80ceff106" \
--mbrtogpt -- $DEV
/sbin/udevadm settle --timeout=600
#echo $1
#echo $(blkid | grep $1"2")
#cblock=$(blkid | grep $1"2" | cut -d'"' -f4)
#echo $cblock
/sbin/mkfs -t xfs -f -i size=2048 -- "$dev_metadata"
mountpath=/var/lib/ceph/osd/ceph-${osd_id}
mkdir -p "$mountpath"
mount "$dev_metadata" "$mountpath"
ln -s $dev_block "$mountpath/block"
echo "$uuid_block" > "$mountpath/block_uuid"
echo "$fsid" > "$mountpath/ceph_fsid"
echo "$magic" > "$mountpath/magic"
echo "$CLASS" > "$mountpath/crush_device_class"
echo $(echo $dev_block | cut -c23-) > "$mountpath/fsid"
# Important, otherwise --mkfs later will try to create filestore
echo bluestore > "$mountpath/type"
ceph auth get-or-create "osd.${osd_id}" osd \
'allow *' mon 'allow profile osd' > $mountpath/keyring
echo ${osd_id} > "$mountpath/whoami"
touch "$mountpath/openrc"
ceph-osd --cluster ceph -i "${osd_id}" --mkfs
chown -R ceph:ceph "$mountpath"
if [ $# -eq 1 ]; then
WEIGHT=$1; shift
else
devname=$(readlink -f $dev_block)
nodev=$(echo $devname | sed 's,/dev/,,')
WEIGHT=$(lsblk -l -b | awk "/^$nodev/ { print \$4/(1024^4) }")
fi
ceph osd crush add osd.${osd_id} ${WEIGHT} host=$(hostname)
echo "$metadata_dev /var/lib/ceph/osd/ceph-${osd_id} xfs noatime 0 0" >> /etc/fstab
# Starting with monit, if available
ceph-osd -i ${osd_id}

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@ -68,7 +68,7 @@ trap cleanup EXIT
# Create partition table, format partitions.
sfdisk --no-reread "$NBD_DEVICE" <<EOF
1M,100M,L,*
1M,500M,L,*
,,L
EOF
@ -83,8 +83,6 @@ mount "${NBD_DEVICE}p2" /mnt
mkdir /mnt/boot
mount "${NBD_DEVICE}p1" /mnt/boot
# XXX: dnf has a lot a weird (libX11?) dependencies, use microdnf instead?
dnf -y \
--releasever=$RELEASE \
--installroot=/mnt \
@ -125,9 +123,11 @@ curl -L "$ONE_CONTEXT_RPM_URL" > "/mnt$ONE_CONTEXT_RPM_PATH"
run_root dnf -y install "$ONE_CONTEXT_RPM_PATH"
run_root rm "$ONE_CONTEXT_RPM_PATH"
# Install resize2fs, which is required to resize the root file-system.
run_root dnf -y install e2fsprogs
# Initalize base services.
run_root systemd-machine-id-setup
run_root systemctl enable systemd-networkd.service
run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime
run_root systemctl enable systemd-timesyncd.service
@ -141,7 +141,8 @@ run_root dnf -y install kernel grub2
cat > /mnt/etc/dracut.conf.d/virtio-blk.conf <<EOF
add_drivers="virtio-blk"
EOF
run_root dracut --force
kernel_version=$(ls /mnt/boot | grep "vmlinuz.*.$ARCH" | cut -d- -f2-)
run_root dracut --force --kver $kernel_version
# Configure grub2.
run_root grub2-install --target=i386-pc "${NBD_DEVICE}"

14
pg_repair Normal file
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#!/bin/bash -e
pglist_arr=( $(ceph health detail | grep pg | grep active | awk '{print $2}' ))
echo ${pglist_arr[*]}
for ((i=0; i<${#pglist_arr[@]}; i++)) do
if [ 1 -eq $(ceph pg repair ${pglist_arr[$i]} | grep repair | grep instructing | wc -l) ]; then
echo repair script error
break
fi
echo ${pglist_arr[$i]} repair script done
sleep 10
done

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@ -9,3 +9,10 @@ done
# countries with counter
( for ip in $(wg | grep endpoint | sed -e 's/endpoint: //' -e 's/\(.*\):[0-9]*/\1/' -e 's/\[//' -e 's/\]//'); do curl -s ipinfo.io/$ip | grep -e country ; done ) | sort | uniq -c | sort -g
# Get number of configured VPNs
configured_vpns=$(wg show | grep ^peer | wc -l)
active_vpns=$(wg show | grep endpoint | wc -l)
echo "Configured VPNs: ${configured_vpns}"
echo "Active VPNs: ${active_vpns}"