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#!/usr/bin/env bash
BASHTARD_PLAYBOOK_VARS[$BASHTARD_PLAYBOOK.ip]="required"
playbook_add() {
local buffer
# Make sure seaweedfs is installed
"$BASHTARD_BIN" add seaweedfs || true
# Create directories used by seaweedfs
mkdir -pv -- "/var/lib/seaweedfs/master"
# Generate systemd unit files
case "${BASHTARD_PLATFORM[init]}" in
systemd)
cat <<-EOF > "$(config "fs.etcdir")/systemd/system/seaweedfs-master.service"
[Unit]
Description=SeaweedFS Master
After=network.target
[Service]
Type=simple
User=root
Group=root
ExecStart=$(config "fs.bindir")/weed master -options="$(config "fs.etcdir")/seaweedfs/master.conf"
WorkingDirectory=/var/lib/seaweedfs
SyslogIdentifier=seaweedfs
[Install]
WantedBy=multi-user.target
EOF
;;
*) die "NYI"
esac
# Perform initial configuration
playbook_sync
# Start the service
svc enable seaweedfs-master
svc start seaweedfs-master
}
playbook_sync() {
local buffer
local conf
local peers=()
local hash
buffer="$(tmpfile)"
conf="$(config "fs.etcdir")/seaweedfs/master.conf"
hash="$(file_hash "$conf")"
# Add all registered seaweedfs-master nodes as peers
while read -r host
do
# Except this node itself
[[ "$(basename "$host")" == "${BASHTARD_PLATFORM[fqdn]}" ]] && continue
peers+=("$(config_for "$(basename "$host")" "$BASHTARD_PLAYBOOK.ip")")
done < <(grep -FHl "$BASHTARD_PLAYBOOK" "$BASHTARD_ETCDIR/registry.d"/*)
# Generate config file
file_template "master.conf" \
ip="$(config "$BASHTARD_PLAYBOOK.ip")" \
port="$(config "$BASHTARD_PLAYBOOK.port" "9333")" \
peers="$(join_args "${peers[@]}")" \
mdir="$(config "$BASHTARD_PLAYBOOK.mdir" "/var/lib/seaweedfs/master/mdir")" \
replication="$(config "$BASHTARD_PLAYBOOK.replication" "000")" \
volume_size="$(config "$BASHTARD_PLAYBOOK.volume-size" "1024")" \
> "$buffer"
[[ "$(file_hash "$buffer")" == "$hash" ]] && return
mv -- "$buffer" "$conf"
[[ "$BASHTARD_ACTION" == "add" ]] && return
# Reload service
svc restart seaweedfs-master
}
playbook_del() {
# Stop service
svc stop seaweedfs-master
svc disable seaweedfs-master
# Remove systemd unit file
rm -fr -- "$(config "fs.etcdir")/systemd/system/seaweedfs-master.service"
# Remove configuration files
rm -fr -- "$(config "fs.etcdir")/seaweedfs/master.conf"
}
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