docker --version && docker compose version

Docker version 29.8.1, build 4a63305
Docker Compose version v5.5.1

mkdir -p ambari-compose && cd ambari-compose
cp /root/apache-ambari-2.7.9-src/ambari-server/target/rpm/ambari-server/RPMS/x86_64/ambari-server-2.7.9.0-0.x86_64.rpm .
cp /root/apache-ambari-2.7.9-src/ambari-agent/target/rpm/ambari-agent/RPMS/x86_64/ambari-agent-2.7.9.0-0.x86_64.rpm .
ls -l

-rw-r--r-- 1 root root 34581912 Oct 13 18:57 ambari-agent-2.7.9.0-0.x86_64.rpm
-rw-r--r-- 1 root root 129310552 Oct 13 18:57 ambari-server-2.7.9.0-0.x86_64.rpm

cat > CentOS-Base.repo <<'EOF'
[base]
name=CentOS-7.9.2009 - Base
baseurl=https://mirrors.aliyun.com/centos-vault/7.9.2009/os/x86_64/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=1

[updates]
name=CentOS-7.9.2009 - Updates
baseurl=https://mirrors.aliyun.com/centos-vault/7.9.2009/updates/x86_64/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=1

[extras]
name=CentOS-7.9.2009 - Extras
baseurl=https://mirrors.aliyun.com/centos-vault/7.9.2009/extras/x86_64/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=1
EOF

cat > ambari-pg-systemctl.sh <<'EOF'
#!/bin/bash
# systemctl 兼容脚本（部署镜像专用）
# 部署镜像内没有 systemd（PID 1 为 start-ambari.sh），而 Ambari 通过 systemctl
# 管理内嵌 PostgreSQL（status/start/stop/reload），因此提供基于 pg_ctl 的等价实现。
# 脚本放置在 /usr/local/bin/systemctl（PATH 中优先于 /usr/bin/systemctl），
# 仅处理 postgresql 服务单元，其余单元一律返回 systemd 未运行的原始报错。
action="$1"
unit="${@: -1}"
unit="${unit%.service}"

if [ "$unit" != "postgresql" ]; then
  echo "System has not been booted with systemd as init system (PID 1). Can't operate." >&2
  exit 1
fi

PGDATA=/var/lib/pgsql/data
PG_LOG=/var/lib/pgsql/pg_startup.log

pg() {
  su postgres -c "pg_ctl -D $PGDATA $*"
}

prepare_log() {
  if [ ! -f "$PG_LOG" ]; then
    touch "$PG_LOG"
    chown postgres:postgres "$PG_LOG"
  fi
}

case "$action" in
  status)
    pg status
    ;;
  start)
    prepare_log
    pg "-l $PG_LOG -w start"
    ;;
  stop)
    pg "-m fast stop"
    ;;
  restart)
    pg "-m fast stop"
    prepare_log
    pg "-l $PG_LOG -w start"
    ;;
  reload)
    pg reload
    ;;
  is-active)
    if pg status >/dev/null 2>&1; then
      echo active
      exit 0
    else
      echo inactive
      exit 3
    fi
    ;;
  show)
    # systemctl show -p Environment postgresql.service（postgresql-setup 内部调用）
    # 与 RHEL7 postgresql.service 单元中的 Environment 指令保持一致
    echo "Environment=PGDATA=/var/lib/pgsql/data"
    echo "Environment=PGPORT=5432"
    ;;
  *)
    echo "System has not been booted with systemd as init system (PID 1). Can't operate." >&2
    exit 1
    ;;
esac
EOF
chmod +x ambari-pg-systemctl.sh

cat > start-ambari.sh <<'EOF'
#!/bin/bash
# Ambari 服务启动脚本（容器主进程）
# 幂等设计：首次启动执行 ambari-server setup 初始化元数据库，
# 再次启动（数据卷已持久化配置）直接启动服务。
set -e

JDK=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.412.b08-1.el7_9.x86_64

# ambari-server setup：password.dat 由 setup 生成，作为"已完成初始化"的标记
if [ ! -f /etc/ambari-server/conf/password.dat ]; then
  # 三个交互应答均取默认值 n：不自定义运行账号 / 不启用 GPL LZO / 不进高级数据库配置
  printf 'n\nn\nn\n' | ambari-server setup -j "$JDK"
fi

ambari-server start
ambari-agent start

# 前台跟随服务日志，保持容器存活
tail -F /var/log/ambari-server/ambari-server.log
EOF
chmod +x start-ambari.sh

cat > Dockerfile <<'EOF'
FROM centos:7

# CentOS 7 已 EOL，官方镜像源下线，替换为阿里云 centos-vault 归档源
COPY CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo
RUN rm -f /etc/yum.repos.d/CentOS-Sources.repo \
           /etc/yum.repos.d/CentOS-Vault.repo \
           /etc/yum.repos.d/CentOS-fasttrack.repo && \
    yum makecache fast

# 安装 OpenJDK 8 与基础工具
RUN yum install -y java-1.8.0-openjdk-devel wget curl openssh-clients which iproute && \
    yum clean all

# 安装 Ambari Server / Agent RPM（postgresql-server 等依赖由 yum 自动解析安装）
COPY ambari-server-2.7.9.0-0.x86_64.rpm ambari-agent-2.7.9.0-0.x86_64.rpm /tmp/
RUN yum localinstall -y \
      /tmp/ambari-server-2.7.9.0-0.x86_64.rpm \
      /tmp/ambari-agent-2.7.9.0-0.x86_64.rpm && \
    rm -f /tmp/ambari-server-*.rpm /tmp/ambari-agent-*.rpm && \
    yum clean all

# JVM 堆限制在 256~512MB（RPM 默认 -Xms512m -Xmx2048m）
RUN sed -i 's/-Xms512m -Xmx2048m/-Xms256m -Xmx512m/' /var/lib/ambari-server/ambari-env.sh

# 修复源码 tarball 构建产物中未替换的 buildNumber 占位符（set -u 下执行会报 unbound variable）
RUN sed -i 's/\${buildNumber}/source/g' \
      /usr/sbin/ambari-server \
      /etc/init.d/ambari-server \
      /var/lib/ambari-agent/bin/ambari-agent

# 容器内无 systemd：提供 PostgreSQL 的 systemctl 兼容脚本（/usr/local/bin 在 PATH 中优先于 /usr/bin）
COPY ambari-pg-systemctl.sh /usr/local/bin/systemctl
COPY start-ambari.sh /usr/local/bin/start-ambari.sh
RUN chmod 755 /usr/local/bin/systemctl /usr/local/bin/start-ambari.sh

EXPOSE 8080 8440 8441
CMD ["/usr/local/bin/start-ambari.sh"]
EOF

docker build -t ambari-2.7.9:centos7 .

#5 [ 1/11] FROM docker.io/library/centos:7@sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4
#5 resolve docker.io/library/centos:7@sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4 0.0s done
#5 DONE 0.0s

#9 [ 2/11] COPY CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo
#9 CACHED

#11 [ 3/11] RUN rm -f /etc/yum.repos.d/CentOS-Sources.repo            /etc/yum.repos.d/CentOS-Vault.repo            /etc/yum.repos.d/CentOS-fasttrack.repo &&     yum makecache fast
#11 CACHED

（中间步骤输出节选，实测首尾：首次构建时 4/11 JDK 安装与 6/11 RPM 依赖安装为全量 yum 输出并分别实测耗时 1441.9s、1070.4s；命中缓存时各步显示 CACHED）

#16 exporting to image
#16 exporting layers done
#16 exporting manifest sha256:6d07ae3e8900735ae0025aa2e4ce2c140542fcfa87e9e6cbd616a1cbd844f9cd done
#16 exporting config sha256:6c580368a575fc752368f3a87aea1d785cac1d20af9a2adf46b45a539f9fba81 done
#16 exporting attestation manifest sha256:c5916f7d0c8cc607e9c65a8f7b0936c0a9368a3b6f45d4be3686155b3868ed3a done
#16 exporting manifest list sha256:57be317b17ca81c8b7ed233cdc0b4d528aa246eac5a30f94eb3fe5ec898b7d15 done
#16 naming to docker.io/library/ambari-2.7.9:centos7 done
#16 unpacking to docker.io/library/ambari-2.7.9:centos7 0.0s done
#16 DONE 0.1s

docker images ambari-2.7.9

IMAGE                  ID             DISK USAGE   CONTENT SIZE   EXTRA
ambari-2.7.9:centos7   57be317b17ca       1.86GB          610MB

cat > docker-compose.yml <<'EOF'
services:
  ambari:
    build: .
    image: ambari-2.7.9:centos7
    hostname: ambari1.example.com
    init: true
    ulimits:
      nofile:
        soft: 65536
        hard: 65536
    ports:
      - "18081:8080"
      - "18442:8440"
      - "18443:8441"
    volumes:
      - ambari-pgdata:/var/lib/pgsql
      - ambari-lib:/var/lib/ambari-server
      - ambari-etc:/etc/ambari-server
      - ambari-log-server:/var/log/ambari-server
      - ambari-log-agent:/var/log/ambari-agent

volumes:
  ambari-pgdata:
  ambari-lib:
  ambari-etc:
  ambari-log-server:
  ambari-log-agent:
EOF

docker compose up -d

[+] Running 7/7
 ✔ Network ambari-compose_default          Created
 ✔ Volume ambari-compose_ambari-etc        Created
 ✔ Volume ambari-compose_ambari-log-agent  Created
 ✔ Volume ambari-compose_ambari-lib        Created
 ✔ Volume ambari-compose_ambari-log-server Created
 ✔ Volume ambari-compose_ambari-pgdata     Created
 ✔ Container ambari-compose-ambari-1       Started

docker compose ps

NAME                      IMAGE                  COMMAND                   SERVICE   CREATED       STATUS       PORTS
ambari-compose-ambari-1   ambari-2.7.9:centos7   "/usr/local/bin/star…"   ambari    2 hours ago   Up 2 hours   0.0.0.0:18081->8080/tcp, [::]:18081->8080/tcp, 0.0.0.0:18442->8440/tcp, [::]:18442->8440/tcp, 0.0.0.0:18443->8441/tcp, [::]:18443->8441/tcp

docker compose logs --tail 40 ambari

ambari-1  | Using python  /usr/bin/python
ambari-1  | Setup ambari-server
ambari-1  | Checking SELinux...
ambari-1  | Customize user account for ambari-server daemon [y/n] (n)? Adjusting ambari-server permissions and ownership...
ambari-1  | Checking JDK...
ambari-1  | Configuring database...
ambari-1  | Running initdb: This may take up to a minute.
ambari-1  | Initializing database ... OK
ambari-1  | About to start PostgreSQL
ambari-1  | Creating schema and user...
ambari-1  | done.
ambari-1  | Creating tables...
ambari-1  | done.
ambari-1  | Extracting system views...
ambari-1  | ambari-admin-2.7.9.0.0.jar
ambari-1  | Ambari Server 'setup' completed successfully.
ambari-1  | Using python  /usr/bin/python
ambari-1  | Starting ambari-server
ambari-1  | Server started listening on 8080
ambari-1  | Ambari Server 'start' completed successfully.
ambari-1  | Verifying Python version compatibility...
ambari-1  | Ambari Agent successfully started
ambari-1  | Agent PID at: /run/ambari-agent/ambari-agent.pid
（其后为 ambari-server.log 的前台跟随输出）

curl -s -o /dev/null -w '%{http_code}\n' http://localhost:18081/
curl -s http://localhost:18081/ | grep -o '<title>.*</title>'

200
<title>Ambari</title>

curl -s -u admin:q1w2e3r4 -H 'X-Requested-By: ambari' http://localhost:18081/api/v1/hosts

{
  "href" : "http://localhost:18081/api/v1/hosts",
  "items" : [
    {
      "href" : "http://localhost:18081/api/v1/hosts/ambari1.example.com",
      "Hosts" : {
        "host_name" : "ambari1.example.com"
      }
    }
  ]
}

docker compose exec ambari ambari-server status

Using python  /usr/bin/python
Ambari-server status
Ambari Server running
Found Ambari Server PID: 74 at: /var/run/ambari-server/ambari-server.pid

docker compose exec ambari ps -ef | grep [A]mbariServer | grep -oE '\-Xms[0-9]+m -Xmx[0-9]+m'

-Xms256m -Xmx512m

curl -s -o /dev/null -w '%{http_code}\n' -u admin:admin -H 'X-Requested-By: ambari' \
  -X PUT -d '{"Users":{"password":"q1w2e3r4","old_password":"admin"}}' \
  http://localhost:18081/api/v1/users/admin

200

docker compose restart ambari

 Container ambari-compose-ambari-1 Restarting
 Container ambari-compose-ambari-1 Started

curl -s -o /dev/null -w '%{http_code}\n' http://localhost:18081/
curl -s -u admin:q1w2e3r4 -H 'X-Requested-By: ambari' http://localhost:18081/api/v1/hosts | grep host_name

200
        "host_name" : "ambari1.example.com"

docker compose exec ambari ls /etc/ambari-server/conf/password.dat

/etc/ambari-server/conf/password.dat

docker network create ambari-compose_default
docker volume create ambari-compose_ambari-pgdata
docker volume create ambari-compose_ambari-lib
docker volume create ambari-compose_ambari-etc
docker volume create ambari-compose_ambari-log-server
docker volume create ambari-compose_ambari-log-agent
docker run -d --name ambari-compose-ambari-1 \
  --network ambari-compose_default \
  --hostname ambari1.example.com \
  --init \
  --ulimit nofile=65536:65536 \
  -p 18081:8080 -p 18442:8440 -p 18443:8441 \
  -v ambari-compose_ambari-pgdata:/var/lib/pgsql \
  -v ambari-compose_ambari-lib:/var/lib/ambari-server \
  -v ambari-compose_ambari-etc:/etc/ambari-server \
  -v ambari-compose_ambari-log-server:/var/log/ambari-server \
  -v ambari-compose_ambari-log-agent:/var/log/ambari-agent \
  ambari-2.7.9:centos7

docker compose ps

NAME                      IMAGE                  COMMAND                   SERVICE   CREATED       STATUS       PORTS
ambari-compose-ambari-1   ambari-2.7.9:centos7   "/usr/local/bin/star…"   ambari    2 hours ago   Up 2 hours   0.0.0.0:18081->8080/tcp, [::]:18081->8080/tcp, 0.0.0.0:18442->8440/tcp, [::]:18442->8440/tcp, 0.0.0.0:18443->8441/tcp, [::]:18443->8441/tcp

docker compose stop

 Container ambari-compose-ambari-1 Stopping
 Container ambari-compose-ambari-1 Stopped

docker compose start

 Container ambari-compose-ambari-1 Starting
 Container ambari-compose-ambari-1 Started

docker compose logs --tail 3 ambari

ambari-1  | 2026-10-13 13:03:30,700  INFO [pool-32-thread-1] MetricsServiceImpl:84 - ********* Configuring Metric Sink **********
ambari-1  | 2026-10-13 13:03:30,700  INFO [pool-32-thread-1] AmbariMetricSinkImpl:94 - No clusters configured.
ambari-1  | 2026-10-13 13:08:30,700  INFO [pool-32-thread-1] MetricsServiceImpl:68 - Attempting to initialize metrics sink

# CentOS 7 真机上 PostgreSQL 的标准初始化与启动（容器内由 setup/start 脚本自动完成同样动作）
postgresql-setup initdb
systemctl start postgresql
systemctl is-active postgresql

Initializing database ... OK
active

docker compose exec ambari sed -i 's/\${buildNumber}/source/g' /usr/sbin/ambari-server /etc/init.d/ambari-server /var/lib/ambari-agent/bin/ambari-agent
docker compose restart ambari

docker compose exec ambari ambari-agent status
docker compose exec ambari grep hostname /etc/ambari-agent/conf/ambari-agent.ini
docker compose logs ambari | grep -iE 'register|heartbeat' | tail -5