63 lines
2.6 KiB
Bash
63 lines
2.6 KiB
Bash
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#!/usr/bin/env bash
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# 在 47 初始化「控制面 PG」：独立数据目录 /var/lib/dshs-pg + 专用 unit dshs-pg.service
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# 设计口径：控制面 DB 在 Manager 侧、仅 loopback、scram 认证。
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set -uo pipefail
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PGDATA=/var/lib/dshs-pg
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PGPORT=15432
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DBPW="${DSHS_PG_PASSWORD:-dshs_cluster_2026}"
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PGVER=$(/usr/bin/postgres --version | grep -oE '[0-9]+' | head -1)
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echo " PG 版本: $(/usr/bin/postgres --version)"
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# 别让发行版的默认单元意外起来（我们用自己的 unit + 自己的数据目录）
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systemctl disable --now postgresql 2>/dev/null >/dev/null || true
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if [ ! -f "$PGDATA/PG_VERSION" ]; then
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install -d -o postgres -g postgres -m 700 "$PGDATA"
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su - postgres -c "/usr/bin/initdb -D $PGDATA -E UTF8 --locale=C.UTF-8 --auth-local=peer --auth-host=scram-sha-256" >/tmp/initdb.log 2>&1 \
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&& echo " ✓ initdb 完成" || { echo " ✗ initdb 失败"; tail -5 /tmp/initdb.log; exit 1; }
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cat >> "$PGDATA/postgresql.conf" <<CONF
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# ── DSHS 控制面（2026-09-15 集群化切换）──
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listen_addresses = '127.0.0.1'
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port = $PGPORT
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unix_socket_directories = '/var/run/postgresql'
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max_connections = 100
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shared_buffers = 128MB
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CONF
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chown postgres:postgres "$PGDATA/postgresql.conf"
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echo " ✓ 已写入 listen=127.0.0.1 port=$PGPORT"
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fi
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cat > /etc/systemd/system/dshs-pg.service <<UNIT
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[Unit]
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Description=DSHS control-plane PostgreSQL (cluster mode)
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After=network.target
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[Service]
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Type=notify
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User=postgres
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Group=postgres
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ExecStart=/usr/bin/postgres -D $PGDATA
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ExecReload=/bin/kill -HUP \$MAINPID
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KillMode=mixed
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TimeoutStopSec=30
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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UNIT
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systemctl daemon-reload
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systemctl enable --now dshs-pg >/dev/null 2>&1
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sleep 3
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echo " dshs-pg: $(systemctl is-active dshs-pg) 监听: $(ss -lntp 2>/dev/null | grep -c $PGPORT)"
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# 角色 + 库（幂等）
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su - postgres -c "/usr/bin/psql -p $PGPORT -tAc \"select 1 from pg_roles where rolname='dshs'\"" 2>/dev/null | grep -q 1 \
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|| su - postgres -c "/usr/bin/psql -p $PGPORT -c \"create role dshs login password '$DBPW'\"" >/dev/null 2>&1
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su - postgres -c "/usr/bin/psql -p $PGPORT -tAc \"select 1 from pg_database where datname='dshs'\"" 2>/dev/null | grep -q 1 \
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|| su - postgres -c "/usr/bin/psql -p $PGPORT -c \"create database dshs owner dshs\"" >/dev/null 2>&1
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echo " --- 连接自检（dshs 角色） ---"
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PGPASSWORD="$DBPW" /usr/bin/psql -h 127.0.0.1 -p $PGPORT -U dshs -d dshs -tAc "select current_user||'@'||current_database()||' pg='||version()" 2>&1 | head -1 | cut -c1-90
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echo " 连接串（含密码，勿外传）: postgres://dshs:$DBPW@127.0.0.1:$PGPORT/dshs"
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