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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
mkdir -pv "/var/lib/seaweedfs/filer"
# Generate systemd unit files
case "${BASHTARD_PLATFORM[init]}" in
systemd)
cat <<-EOF > "$(config "fs.etcdir")/systemd/system/seaweedfs-filer.service"
[Unit]
Description=SeaweedFS Filer
After=network.target
[Service]
Type=simple
User=root
Group=root
ExecStart=$(config "fs.bindir")/weed filer -options="$(config "fs.etcdir")/seaweedfs/filer.conf"
WorkingDirectory=/var/lib/seaweedfs/filer
SyslogIdentifier=seaweedfs
[Install]
WantedBy=multi-user.target
EOF
;;
*) die "NYI"
esac
# Perform initial configuration
playbook_sync
# Start the service
svc enable seaweedfs-filer
svc start seaweedfs-filer
}
playbook_sync() {
local buffer
local conf
local peers=()
local hash
buffer="$(tmpfile)"
conf="$(config "fs.etcdir")/seaweedfs/filer.conf"
hash="$(file_hash "$conf")"
# Add all registered seaweedfs-master nodes as peers
while read -r host
do
peers+=("[$(config_for "$(basename "$host")" "seaweedfs-master.ip")]:$(config_for "$(basename "$host")" "seaweedfs-master.port" "9333")")
done < <(grep -FHl "$BASHTARD_PLAYBOOK" "$BASHTARD_ETCDIR/registry.d"/*)
# Generate config files
file_template "filer.conf" \
ip="$(config "$BASHTARD_PLAYBOOK.ip")" \
port="$(config "$BASHTARD_PLAYBOOK.port" "8888")" \
masters="$(join_args "${peers[@]}")" \
s3_port="$(config "$BASHTARD_PLAYBOOK.s3.port" "8333")" \
> "$buffer"
file_template "filer.toml" \
> "$(config "fs.etcdir")/seaweedfs/filer.toml"
[[ "$(file_hash "$buffer")" == "$hash" ]] && return
mv -- "$buffer" "$conf"
[[ "$BASHTARD_ACTION" == "add" ]] && return
# Reload service
svc restart seaweedfs-filer
}
playbook_del() {
# Stop service
svc stop seaweedfs-filer
svc disable seaweedfs-filer
# Remove systemd unit file
rm -fr -- "$(config "fs.etcdir")/systemd/system/seaweedfs-filer.service"
# Remove configuration files
rm -fr -- \
"$(config "fs.etcdir")/seaweedfs/filer.conf" \
"$(config "fs.etcdir")/seaweedfs/filer.toml"
}
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