1、centos7 安装 apache-airflow
1.1、下载安装 centos7
1.2、centos7 安装 python3
1.3、centos7 安装 mysql
1.4、安装 airflow
1.5、初始化数据库表（默认使用本地的sqlite数据库）
1.6、启动 airflow webserver
2、airflow 安装可能遇到的问题
2.1、pip安装airflow依赖时报版本不对的解决
2.2、解决Python.h：No such file or directory
2.3、启动airflow webserver报错：FileNotFoundError: [Errno 2] No such file or directory: 'gunicorn'
1、centos7 安装 apache-airflow <-- 返回目录
1.1、下载安装 centos7 <-- 返回目录
1.2、centos7 安装 python3 <-- 返回目录
参考：Centos7安装python3并与python2共存, 以及安装pip(pip3)
安装相关依赖
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
./configure --prefix=/usr/local/python3.6.8 报错
安装 gcc 编译环境：yum -y install gcc
查看 gcc 版本
开始安装
# 下载解压 cd /opt wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz tar -xvf Python-3.6.8.tgz mv Python-3.6.8 python-3.6.8 # 在local目录下创建python3.6.8目录 mkdir /usr/local/python3.6.8 # 配置安装目录 cd /opt/python-3.6.8 ./configure --prefix=/usr/local/python3.6.8 # 编译安装 make && make install # 配置python3软连接 ln -s /usr/local/python3.6.8/bin/python3 /usr/bin/python3 # 配置pip3软连接 ln -s /usr/local/python3.6.8/bin/pip3 /usr/bin/pip3 # 升级pip pip3 install --upgrade pip -i https://pypi.douban.com/simple
# 查看已安装的包
pip3 freeze
pip3 list
# 检查哪些包需要更新
pip3 list outdated
1.3、centos7 安装 mysql <-- 返回目录
查看编码
为 firewalld 添加开放 mysql 端口 3306 和 airflow webserver 8080
[root@localhost ~]# firewall-cmd --zone=public --add-port=3306/tcp --permanent
重新载入
[root@localhost ~]# firewall-cmd --reload
telnet 查看 centos7 的 3306 端口是否开放
1.4、安装 airflow <-- 返回目录
配置 AIRFLOW_HOME
配置生效: source /etc/profile
开始安装
pip3 install apache-airflow -i https://pypi.douban.com/simple
安装日志
[root@localairflow ~]# pip3 install apache-airflow -i https://pypi.douban.com/simple Looking in indexes: https://pypi.douban.com/simple Collecting apache-airflow Downloading https://pypi.doubanio.com/packages/f7/32/600475e46b90f983ff093187425725cad9f3303665161328cd17d9ba974c/apache_airflow-1.10.10-py2.py3-none-any.whl (4.7MB) 100% |????????????????????????????????| 4.7MB 637kB/s Collecting zope.deprecation<5.0,>=4.0 (from apache-airflow) Downloading https://pypi.doubanio.com/packages/f9/26/b935bbf9d27e898b87d80e7873a0200cebf239253d0afe7a59f82fe90fff/zope.deprecation-4.4.0-py2.py3-none-any.whl Collecting lazy-object-proxy~=1.3 (from apache-airflow) Downloading https://pypi.doubanio.com/packages/0b/dd/b1e3407e9e6913cf178e506cd0dee818e58694d9a5cd1984e3f6a8b9a10f/lazy_object_proxy-1.4.3-cp36-cp36m-manylinux1_x86_64.whl (55kB) 100% |????????????????????????????????| 61kB 1.0MB/s Collecting tenacity==4.12.0 (from apache-airflow) Downloading 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https://pypi.doubanio.com/packages/30/47/02f04abed54918d2a3f1da602a8254247670b2e1a99b4b1f02734a27e71e/pendulum-1.4.4-cp36-cp36m-manylinux1_x86_64.whl (123kB) 100% |????????????????????????????????| 133kB 670kB/s Collecting attrs~=19.3 (from apache-airflow) Downloading https://pypi.doubanio.com/packages/a2/db/4313ab3be961f7a763066401fb77f7748373b6094076ae2bda2806988af6/attrs-19.3.0-py2.py3-none-any.whl Collecting funcsigs<2.0.0,>=1.0.0 (from apache-airflow) Downloading https://pypi.doubanio.com/packages/69/cb/f5be453359271714c01b9bd06126eaf2e368f1fddfff30818754b5ac2328/funcsigs-1.0.2-py2.py3-none-any.whl Collecting pygments<3.0,>=2.0.1 (from apache-airflow) Downloading https://pypi.doubanio.com/packages/2d/68/106af3ae51daf807e9cdcba6a90e518954eb8b70341cee52995540a53ead/Pygments-2.6.1-py3-none-any.whl (914kB) 100% |????????????????????????????????| 921kB 1.1MB/s Collecting flask-admin==1.5.4 (from apache-airflow) Downloading 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importlib-metadata<2,>=0.23; python_version == "3.6"->argcomplete~=1.10->apache-airflow) Downloading https://pypi.doubanio.com/packages/b2/34/bfcb43cc0ba81f527bc4f40ef41ba2ff4080e047acb0586b56b3d017ace4/zipp-3.1.0-py3-none-any.whl Collecting dnspython>=1.15.0 (from email-validator<2,>=1.0.5->flask-appbuilder~=2.2; python_version >= "3.6"->apache-airflow) Downloading https://pypi.doubanio.com/packages/ec/d3/3aa0e7213ef72b8585747aa0e271a9523e713813b9a20177ebe1e939deb0/dnspython-1.16.0-py2.py3-none-any.whl (188kB) 100% |????????????????????????????????| 194kB 1.6MB/s Collecting python3-openid>=2.0 (from Flask-OpenID<2,>=1.2.5->flask-appbuilder~=2.2; python_version >= "3.6"->apache-airflow) Downloading https://pypi.doubanio.com/packages/bd/de/52c5699f52dcee3037db587196dcaf63ffedf5fbeba3183afe9b21a3a89f/python3_openid-3.1.0-py3-none-any.whl (130kB) 100% |????????????????????????????????| 133kB 2.0MB/s Collecting Babel>=2.3 (from Flask-Babel<2,>=1->flask-appbuilder~=2.2; python_version >= "3.6"->apache-airflow) Downloading https://pypi.doubanio.com/packages/15/a1/522dccd23e5d2e47aed4b6a16795b8213e3272c7506e625f2425ad025a19/Babel-2.8.0-py2.py3-none-any.whl (8.6MB) 100% |????????????????????????????????| 8.6MB 3.5MB/s Collecting defusedxml (from python3-openid>=2.0->Flask-OpenID<2,>=1.2.5->flask-appbuilder~=2.2; python_version >= "3.6"->apache-airflow) Downloading https://pypi.doubanio.com/packages/06/74/9b387472866358ebc08732de3da6dc48e44b0aacd2ddaa5cb85ab7e986a2/defusedxml-0.6.0-py2.py3-none-any.whl Installing collected packages: zope.deprecation, lazy-object-proxy, six, tenacity, werkzeug, itsdangerous, MarkupSafe, jinja2, click, flask, flask-caching, certifi, urllib3, chardet, idna, requests, colorlog, python-dateutil, pytzdata, pytz, tzlocal, pendulum, attrs, funcsigs, pygments, wtforms, flask-admin, flask-login, flask-wtf, PyYAML, flask-swagger, setproctitle, croniter, termcolor, configparser, typing-extensions, psutil, numpy, pandas, docutils, lockfile, python-daemon, json-merge-patch, sqlalchemy, Mako, python-editor, alembic, future, iso8601, dill, typing, sqlalchemy-jsonfield, text-unidecode, zipp, importlib-metadata, argcomplete, markdown, pyrsistent, jsonschema, dnspython, email-validator, defusedxml, python3-openid, Flask-OpenID, PyJWT, marshmallow, marshmallow-sqlalchemy, Flask-SQLAlchemy, Flask-JWT-Extended, colorama, apispec, sqlalchemy-utils, Babel, Flask-Babel, marshmallow-enum, prison, flask-appbuilder, graphviz, cached-property, unicodecsv, gunicorn, tabulate, thrift, cattrs, apache-airflow Running setup.py install for tzlocal ... done Running setup.py install for flask-admin ... done Running setup.py install for flask-login ... done Running setup.py install for PyYAML ... done Running setup.py install for flask-swagger ... done Running setup.py install for setproctitle ... done Running setup.py install for termcolor ... done Running setup.py install for psutil ... done Running setup.py install for json-merge-patch ... done Running setup.py install for alembic ... done Running setup.py install for future ... done Running setup.py install for dill ... done Running setup.py install for pyrsistent ... done Running setup.py install for Flask-OpenID ... done Running setup.py install for Flask-JWT-Extended ... done Running setup.py install for sqlalchemy-utils ... done Running setup.py install for unicodecsv ... done Running setup.py install for thrift ... done Successfully installed Babel-2.8.0 Flask-Babel-1.0.0 Flask-JWT-Extended-3.24.1 Flask-OpenID-1.2.5 Flask-SQLAlchemy-2.4.2 Mako-1.1.2 MarkupSafe-1.1.1 PyJWT-1.7.1 PyYAML-5.3.1 alembic-1.4.2 apache-airflow-1.10.10 apispec-1.3.3 argcomplete-1.11.1 attrs-19.3.0 cached-property-1.5.1 cattrs-0.9.2 certifi-2020.4.5.1 chardet-3.0.4 click-7.1.2 colorama-0.4.3 colorlog-4.0.2 configparser-3.5.3 croniter-0.3.31 defusedxml-0.6.0 dill-0.3.1.1 dnspython-1.16.0 docutils-0.16 email-validator-1.1.1 flask-1.1.2 flask-admin-1.5.4 flask-appbuilder-2.3.4 flask-caching-1.3.3 flask-login-0.4.1 flask-swagger-0.2.13 flask-wtf-0.14.3 funcsigs-1.0.2 future-0.18.2 graphviz-0.14 gunicorn-19.10.0 idna-2.9 importlib-metadata-1.6.0 iso8601-0.1.12 itsdangerous-1.1.0 jinja2-2.10.3 json-merge-patch-0.2 jsonschema-3.2.0 lazy-object-proxy-1.4.3 lockfile-0.12.2 markdown-2.6.11 marshmallow-2.21.0 marshmallow-enum-1.5.1 marshmallow-sqlalchemy-0.23.0 numpy-1.18.4 pandas-0.25.3 pendulum-1.4.4 prison-0.1.3 psutil-5.7.0 pygments-2.6.1 pyrsistent-0.16.0 python-daemon-2.1.2 python-dateutil-2.8.1 python-editor-1.0.4 python3-openid-3.1.0 pytz-2020.1 pytzdata-2019.3 requests-2.23.0 setproctitle-1.1.10 six-1.15.0 sqlalchemy-1.3.17 sqlalchemy-jsonfield-0.9.0 sqlalchemy-utils-0.36.6 tabulate-0.8.7 tenacity-4.12.0 termcolor-1.1.0 text-unidecode-1.2 thrift-0.13.0 typing-3.7.4.1 typing-extensions-3.7.4.2 tzlocal-1.5.1 unicodecsv-0.14.1 urllib3-1.25.9 werkzeug-0.16.1 wtforms-2.3.1 zipp-3.1.0 zope.deprecation-4.4.0 You are using pip version 18.1, however version 20.2b1 is available. You should consider upgrading via the 'pip install --upgrade pip' command. [root@localairflow ~]#
1.5、初始化数据库表（默认使用本地的sqlite数据库） <-- 返回目录
pip3 安装 airflow 路径
airflow 命令在 /usr/local/python3.6.8/bin 目录下
初始化： ./airflow initdb
[root@localairflow bin]# ./airflow initdb DB: sqlite:////usr/local/airflow/airflow.db [2020-05-27 09:59:53,776] {db.py:378} INFO - Creating tables INFO [alembic.runtime.migration] Context impl SQLiteImpl. INFO [alembic.runtime.migration] Will assume non-transactional DDL. INFO [alembic.runtime.migration] Running upgrade -> e3a246e0dc1, current schema INFO [alembic.runtime.migration] Running upgrade e3a246e0dc1 -> 1507a7289a2f, create is_encrypted /usr/local/python3.6.8/lib/python3.6/site-packages/alembic/ddl/sqlite.py:41: UserWarning: Skipping unsupported ALTER for creation of implicit constraintPlease refer to the batch mode feature which allows for SQLite migrations using a copy-and-move strategy. "Skipping unsupported ALTER for " INFO [alembic.runtime.migration] Running upgrade 1507a7289a2f -> 13eb55f81627, maintain history for compatibility with earlier migrations INFO [alembic.runtime.migration] Running upgrade 13eb55f81627 -> 338e90f54d61, More logging into task_instance INFO [alembic.runtime.migration] Running upgrade 338e90f54d61 -> 52d714495f0, job_id indices INFO [alembic.runtime.migration] Running upgrade 52d714495f0 -> 502898887f84, Adding extra to Log INFO [alembic.runtime.migration] Running upgrade 502898887f84 -> 1b38cef5b76e, add dagrun INFO [alembic.runtime.migration] Running upgrade 1b38cef5b76e -> 2e541a1dcfed, task_duration INFO [alembic.runtime.migration] Running upgrade 2e541a1dcfed -> 40e67319e3a9, dagrun_config INFO [alembic.runtime.migration] Running upgrade 40e67319e3a9 -> 561833c1c74b, add password column to user INFO [alembic.runtime.migration] Running upgrade 561833c1c74b -> 4446e08588, dagrun start end INFO [alembic.runtime.migration] Running upgrade 4446e08588 -> bbc73705a13e, Add notification_sent column to sla_miss INFO [alembic.runtime.migration] Running upgrade bbc73705a13e -> bba5a7cfc896, Add a column to track the encryption state of the 'Extra' field in connection INFO [alembic.runtime.migration] Running upgrade bba5a7cfc896 -> 1968acfc09e3, add is_encrypted column to variable table INFO [alembic.runtime.migration] Running upgrade 1968acfc09e3 -> 2e82aab8ef20, rename user table INFO [alembic.runtime.migration] Running upgrade 2e82aab8ef20 -> 211e584da130, add TI state index INFO [alembic.runtime.migration] Running upgrade 211e584da130 -> 64de9cddf6c9, add task fails journal table INFO [alembic.runtime.migration] Running upgrade 64de9cddf6c9 -> f2ca10b85618, add dag_stats table INFO [alembic.runtime.migration] Running upgrade f2ca10b85618 -> 4addfa1236f1, Add fractional seconds to mysql tables INFO [alembic.runtime.migration] Running upgrade 4addfa1236f1 -> 8504051e801b, xcom dag task indices INFO [alembic.runtime.migration] Running upgrade 8504051e801b -> 5e7d17757c7a, add pid field to TaskInstance INFO [alembic.runtime.migration] Running upgrade 5e7d17757c7a -> 127d2bf2dfa7, Add dag_id/state index on dag_run table INFO [alembic.runtime.migration] Running upgrade 127d2bf2dfa7 -> cc1e65623dc7, add max tries column to task instance INFO [alembic.runtime.migration] Running upgrade cc1e65623dc7 -> bdaa763e6c56, Make xcom value column a large binary INFO [alembic.runtime.migration] Running upgrade bdaa763e6c56 -> 947454bf1dff, add ti job_id index INFO [alembic.runtime.migration] Running upgrade 947454bf1dff -> d2ae31099d61, Increase text size for MySQL (not relevant for other DBs' text types) INFO [alembic.runtime.migration] Running upgrade d2ae31099d61 -> 0e2a74e0fc9f, Add time zone awareness INFO [alembic.runtime.migration] Running upgrade d2ae31099d61 -> 33ae817a1ff4, kubernetes_resource_checkpointing INFO [alembic.runtime.migration] Running upgrade 33ae817a1ff4 -> 27c6a30d7c24, kubernetes_resource_checkpointing INFO [alembic.runtime.migration] Running upgrade 27c6a30d7c24 -> 86770d1215c0, add kubernetes scheduler uniqueness INFO [alembic.runtime.migration] Running upgrade 86770d1215c0, 0e2a74e0fc9f -> 05f30312d566, merge heads INFO [alembic.runtime.migration] Running upgrade 05f30312d566 -> f23433877c24, fix mysql not null constraint INFO [alembic.runtime.migration] Running upgrade f23433877c24 -> 856955da8476, fix sqlite foreign key INFO [alembic.runtime.migration] Running upgrade 856955da8476 -> 9635ae0956e7, index-faskfail INFO [alembic.runtime.migration] Running upgrade 9635ae0956e7 -> dd25f486b8ea, add idx_log_dag INFO [alembic.runtime.migration] Running upgrade dd25f486b8ea -> bf00311e1990, add index to taskinstance INFO [alembic.runtime.migration] Running upgrade 9635ae0956e7 -> 0a2a5b66e19d, add task_reschedule table INFO [alembic.runtime.migration] Running upgrade 0a2a5b66e19d, bf00311e1990 -> 03bc53e68815, merge_heads_2 INFO [alembic.runtime.migration] Running upgrade 03bc53e68815 -> 41f5f12752f8, add superuser field INFO [alembic.runtime.migration] Running upgrade 41f5f12752f8 -> c8ffec048a3b, add fields to dag INFO [alembic.runtime.migration] Running upgrade c8ffec048a3b -> dd4ecb8fbee3, Add schedule interval to dag INFO [alembic.runtime.migration] Running upgrade dd4ecb8fbee3 -> 939bb1e647c8, task reschedule fk on cascade delete INFO [alembic.runtime.migration] Running upgrade 939bb1e647c8 -> 6e96a59344a4, Make TaskInstance.pool not nullable INFO [alembic.runtime.migration] Running upgrade 6e96a59344a4 -> d38e04c12aa2, add serialized_dag table Revision ID: d38e04c12aa2 Revises: 6e96a59344a4 Create Date: 2019-08-01 14:39:35.616417 INFO [alembic.runtime.migration] Running upgrade d38e04c12aa2 -> b3b105409875, add root_dag_id to DAG Revision ID: b3b105409875 Revises: d38e04c12aa2 Create Date: 2019-09-28 23:20:01.744775 INFO [alembic.runtime.migration] Running upgrade 6e96a59344a4 -> 74effc47d867, change datetime to datetime2(6) on MSSQL tables INFO [alembic.runtime.migration] Running upgrade 939bb1e647c8 -> 004c1210f153, increase queue name size limit INFO [alembic.runtime.migration] Running upgrade c8ffec048a3b -> a56c9515abdc, Remove dag_stat table INFO [alembic.runtime.migration] Running upgrade a56c9515abdc, 004c1210f153, 74effc47d867, b3b105409875 -> 08364691d074, Merge the four heads back together INFO [alembic.runtime.migration] Running upgrade 08364691d074 -> fe461863935f, increase_length_for_connection_password INFO [alembic.runtime.migration] Running upgrade fe461863935f -> 7939bcff74ba, Add DagTags table INFO [alembic.runtime.migration] Running upgrade 7939bcff74ba -> a4c2fd67d16b, add pool_slots field to task_instance INFO [alembic.runtime.migration] Running upgrade a4c2fd67d16b -> 852ae6c715af, Add RenderedTaskInstanceFields table INFO [alembic.runtime.migration] Running upgrade 852ae6c715af -> 952da73b5eff, add dag_code table WARNI [airflow.utils.log.logging_mixin.LoggingMixin] cryptography not found - values will not be stored encrypted. Done. [root@localairflow bin]# cd /usr/local/ [root@localairflow local]# ls airflow bin etc games include lib lib64 libexec python3.6.8 sbin share src
查看生成的文件
创建软连接：
ln -s /usr/local/python3.6.8/bin/airflow /usr/bin/airflow ln /usr/local/python3.6.8/bin/gunicorn /usr/bin/gunicorn
1.6、启动 airflow webserver <-- 返回目录
airflow webserver
airflow scheduler
访问：http://192.168.213.200:8080/admin/
2、airflow 安装可能遇到的问题 <-- 返回目录
2.1、pip安装airflow依赖时报版本不对的解决 <-- 返回目录
首先卸载已经安装的版本
重新下载
再次安装 airflow 指令，顺利完成安装：
sudo pip install apache-airflow -i https://pypi.douban.com/simple
2.2、解决Python.h：No such file or directory <-- 返回目录
解决：yum install python-devel 或 yum install python3-devel
2.3、启动airflow webserver报错：FileNotFoundError: [Errno 2] No such file or directory: 'gunicorn' <-- 返回目录
启动airflow webserver报错：FileNotFoundError: [Errno 2] No such file or directory: 'gunicorn'
执行gunicorn启动时，因为在PATH中找不到该命令报错。
创建gunicorn软连接
ln –fs /home/admin/python3.6/bin/gunicorn/bin/gunicorn /bin/gunicorn
或者将 /home/admin/pytthon3.6/bin 添加到 PATH，export PATH=${PATH}:/home/admin/python3.6/bin
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