2021-02-22 00:40:52 +03:00
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#!/bin/bash
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# Very simple systemd unit generator for vitastor-osd services
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# Not the final solution yet, mostly for tests
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# Copyright (c) Vitaliy Filippov, 2019+
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# License: MIT
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# USAGE: ./make-osd.sh /dev/disk/by-partuuid/xxx [ /dev/disk/by-partuuid/yyy]...
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IP_SUBSTR="10.200.1."
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ETCD_HOSTS="etcd0=http://10.200.1.10:2380,etcd1=http://10.200.1.11:2380,etcd2=http://10.200.1.12:2380"
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set -e -x
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IP=`ip -json a s | jq -r '.[].addr_info[] | select(.local | startswith("'$IP_SUBSTR'")) | .local'`
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[ "$IP" != "" ] || exit 1
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ETCD_MON=$(echo $ETCD_HOSTS | perl -pe 's/:2380/:2379/g; s/etcd\d*=//g;')
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D=`dirname $0`
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# Create OSDs on all passed devices
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for DEV in $*; do
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2021-11-21 00:01:03 +03:00
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OSD_NUM=$(vitastor-cli alloc-osd)
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2021-02-22 00:40:52 +03:00
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echo Creating OSD $OSD_NUM on $DEV
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2021-11-21 00:01:03 +03:00
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OPT=$(vitastor-cli simple-offsets --format options $DEV | tr '\n' ' ')
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META=$(vitastor-cli simple-offsets --format json $DEV | jq .data_offset)
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2021-02-22 00:40:52 +03:00
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dd if=/dev/zero of=$DEV bs=1048576 count=$(((META+1048575)/1048576)) oflag=direct
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cat >/etc/systemd/system/vitastor-osd$OSD_NUM.service <<EOF
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[Unit]
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Description=Vitastor object storage daemon osd.$OSD_NUM
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After=network-online.target local-fs.target time-sync.target
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Wants=network-online.target local-fs.target time-sync.target
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PartOf=vitastor.target
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[Service]
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LimitNOFILE=1048576
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LimitNPROC=1048576
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LimitMEMLOCK=infinity
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ExecStart=/usr/bin/vitastor-osd \\
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--etcd_address $IP:2379/v3 \\
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--bind_address $IP \\
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--osd_num $OSD_NUM \\
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--disable_data_fsync 1 \\
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--immediate_commit all \\
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--disk_alignment 4096 --journal_block_size 4096 --meta_block_size 4096 \\
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--journal_no_same_sector_overwrites true \\
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--journal_sector_buffer_count 1024 \\
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$OPT
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WorkingDirectory=/
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ExecStartPre=+chown vitastor:vitastor $DEV
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User=vitastor
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PrivateTmp=false
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TasksMax=infinity
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Restart=always
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StartLimitInterval=0
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RestartSec=10
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[Install]
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WantedBy=vitastor.target
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EOF
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systemctl enable vitastor-osd$OSD_NUM
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done
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