Below is my Ansible code which is trying to install Airflow 1.10.0.
sudo journalctl -u airflow-webserver -e output is
Dec 31 12:13:48 ip-10-136-94-232.eu-central-1.compute.internal airflow[22224]: ProgrammingError: (_mysql_exceptions.ProgrammingError) (1146, "Table 'airflow.log' doesn't exist") [SQL: u'INSERT INTO log (dttm, dag_id,
sudo journalctl -u airflow-scheduler -e output is
Dec 31 12:14:19 ip-10-136-94-232.eu-central-1.compute.internal airflow[22307]: ProgrammingError: (_mysql_exceptions.ProgrammingError) (1146, "Table 'airflow.log' doesn't exist") [SQL: u'INSERT INTO log (dttm, dag_id,
install.yml
---
- name: Airflow | Install | Basic Packages
yum:
name: "{{ packages }}"
vars:
packages:
- gcc
- gcc-c++
- zlib-devel
- bzip2-devel
- openssl-devel
- ncurses-devel
- sqlite-devel
- cyrus-sasl-devel
- postgresql
- postgresql-server
- mariadb-server
- mariadb
- python2-pip
- python2-devel
- mysql-devel
- python-setuptools
- java-1.8.0-openjdk.x86_64
- MySQL-python
- mysql-connector-python
register: airflow_dbsetup
notify:
- restart postgresql
- restart rabbitmq-server
- restart mariadb
- name: Airflow | Install | Upgrade pip
shell: "pip install --upgrade pip"
- name: Airflow | Install | Upgrade setuptools
shell: "pip install --upgrade setuptools"
- name: Airflow | Inatall | Start mariadb
systemd: state=started name=mariadb daemon_reload=yes
sudo: yes
- name: Airflow | Install | Group dev
yum:
name: "@Development"
state: latest
- name: Airflow | Install | Numpy
pip:
name: numpy
version: latest
sudo: yes
- name: Airflow | Install | cython
pip:
name: cython
version: latest
sudo: yes
- name: Airflow | Install | With pip
pip:
name: apache-airflow
version: 1.10.0
- name: Airflow | Install | crypto
pip:
name: apache-airflow[crypto]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | hive
pip:
name: apache-airflow[hive]
version: 1.10.0
register: airflow_install
- name: Airflow | Inatall | MySQL
pip:
name: apache-airflow[mysql]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | jdbc
pip:
name: apache-airflow[jdbc]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | password
pip:
name: apache-airflow[password]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | s3
pip:
name: apache-airflow[s3]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | slack
pip:
name: apache-airflow[slack]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | ssh
pip:
name: apache-airflow[ssh]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | Reinstall pip
shell: "pip install --upgrade --force-reinstall pip==9.0.0"
- name: Airflow | Install | devel
pip:
name: apache-airflow[devel]
version: 1.10.0
register: airflow_install
- name: Airflow | Inatall | MSSql
pip:
name: apache-airflow[mssql]
version: 1.10.0
register: airflow_install
- name: Airflow | Install | Celery
pip:
name: celery
- name: Airflow | Install | psycopg2
pip:
name: psycopg2
- name: Airflow | Inatall | psycopg2-binary
pip:
name: psycopg2-binary
- name: Airflow | Install | erlang
yum:
name: https://github.com/rabbitmq/erlang-rpm/releases/download/v20.1.7/erlang-20.1.7-1.el6.x86_64.rpm
state: present
- name: Airflow | Install | socat
yum:
name: socat
state: present
- name: Airflow | Install | Rabbitmq
yum:
name: https://dl.bintray.com/rabbitmq/all/rabbitmq-server/3.7.8/rabbitmq-server-3.7.8-1.el7.noarch.rpm
state: present
database.yml
---
- name: Airflow | DB | Uninstall markupsafe
pip:
name: markupsafe
state: absent
- name: Airflow | DB | Install markupsafe
pip:
name: markupsafe
version: latest
- name: Airflow | DB | Set PostgreSQL environment variables
template:
src: postgres.sh.j2
dest: /etc/profile.d/postgres.sh
mode: 0644
notify: restart postgresql
- name: Airflow | DB | Ensure PostgreSQL data directory exists
file:
path: "{{ postgresql_data_dir }}"
owner: "{{ postgresql_user }}"
group: "{{ postgresql_group }}"
state: directory
mode: 0700
become: yes
become_method: sudo
become_user: root
register: airflow_dbsetup
notify:
- restart postgresql
- name: Airflow | DB | Check if PostgreSQL database is initialized
stat:
path: "{{ postgresql_data_dir }}/PG_VERSION"
register: file_exists
- name: Airflow | DB | Initialize PostgreSQL Database
command: "{{ airflow_executable_pgsql }} initdb"
when: not file_exists.stat.exists
become: yes
become_method: sudo
become_user: root
register: airflow_dbsetup
notify:
- restart postgresql
- name: Airflow | DB | Copy Postgresql hba file
copy:
src: ../templates/pg_hba.conf.j2
dest: "{{ postgresql_data_dir }}/pg_hba.conf"
owner: "{{ postgresql_user }}"
group: "{{ postgresql_group }}"
mode: 0600
become: yes
become_method: sudo
become_user: root
register: airflow_dbsetup
notify:
- restart postgresql
- name: Airflow | DB | Copy Postgresql config file
copy:
src: ../templates/postgresql.conf.j2
dest: "{{ postgresql_data_dir }}/postgresql.conf.j2"
owner: "{{ postgresql_user }}"
group: "{{ postgresql_group }}"
mode: 0600
become: yes
become_method: sudo
become_user: root
register: airflow_dbsetup
notify:
- restart postgresql
- name: Airflow | DB | Restart PostgreSQL
shell: "systemctl restart postgresql"
become: yes
become_method: sudo
become_user: root
- name: Airflow | DB | Postgresql Create DB
postgresql_db:
name: airflow
- name: Airflow | DB | Postgresql User
postgresql_user:
db: airflow
name: airflow
password: airflow
priv: "ALL"
expires: infinity
become: yes
become_method: sudo
become_user: root
register: airflow_dbsetup
notify:
- restart postgresql
- name: Airflow | DB | Postgresql Privileges
postgresql_privs:
db: airflow
objs: ALL_DEFAULT
privs: ALL
type: default_privs
role: airflow
grant_option: yes
- name: Airflow | DB | Restart RabbitMQ-Server
shell: "systemctl restart rabbitmq-server"
become: yes
become_method: sudo
become_user: root
- name: Airflow | DB | RabbitMQ Add v_host
rabbitmq_vhost:
name: af-host
state: present
- name: Airflow | DB | RabbitMQ User
rabbitmq_user:
user: airflow
password: airflow
tags: airflow-user
vhost: af-host
configure_priv: .*
read_priv: .*
write_priv: .*
state: present
force: yes
become: yes
become_method: sudo
become_user: root
register: airflow_dbsetup
notify:
- restart rabbitmq-server
- name: Airflow | DB | Create MySQL DB
mysql_db:
name: airflow
state: present
- name: Airflow | DB | MySQL user
mysql_user:
name: airflow
password: airflow
priv: '*.*:ALL,GRANT'
state: present
#- name: CREATE USER
# shell: "sudo -i -u postgres psql -c "CREATE USER airflow WITH PASSWORD 'airflow';""
#- name: CREATE DATABASE
# shell: "sudo -i -u postgres psql -c "CREATE DATABASE airflow;""
#- name: GRANT PRIVILEGES ON DATABASE
# shell: "sudo -i -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE airflow TO airflow;""
#- name: GRANT PRIVILEGES ON TABLES
# shell: "sudo -i -u postgres psql -c "GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO airflow;""
config.yml
- name: Airflow | Config | Ensure airflow directories structure
file:
path: "{{ item }}"
state: directory
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
with_items:
- "{{ airflow_logs_folder }}"
- "{{ airflow_child_process_log_folder }}"
- "{{ airflow_dags_folder }}"
- "{{ airflow_plugins_folder }}"
- name: Airflow | Config | Copy gunicorn logrotate config
template:
src: gunicorn-logrotate.j2
dest: /etc/logrotate.d/airflow
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0644
become: yes
become_method: sudo
become_user: root
- name: Airflow | Config | Copy sample dag hello_world
copy:
src: "{{ airflow_home }}/cng-ansible/roles/airflow/files/cng-hello_world.py"
dest: "{{ airflow_dags_folder }}/cng-hello_world.py"
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0644
remote_src: True
- name: Airflow | Config | Synchronization of DAGs
synchronize:
src: "{{ airflow_home }}/cng-ansible/roles/airflow/files/"
dest: "{{ airflow_dags_folder }}"
- name: Airflow | Config | Install airflow environmet file
template:
src: airflow-environment-file.j2
dest: "{{ airflow_environment_file_folder }}/airflow"
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
- name: Airflow | Config | Copy basic airflow config file
template:
src: airflow.cfg.j2
dest: "{{ airflow_home }}/airflow/airflow.cfg"
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
register: airflow_config
notify:
- restart airflow-webserver
- restart airflow-scheduler
- restart airflow-worker
- name: Airflow | Config | Initialize Airflow Database
shell: "{{ airflow_executable }} initdb"
args:
chdir: "{{ airflow_home }}"
executable: /bin/bash
become: yes
become_method: sudo
become_user: "{{ airflow_user }}"
- name: Airflow | Config | Install webserver systemd unit file
template:
src: airflow-webserver.service.j2
dest: /usr/lib/systemd/system/airflow-webserver.service
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
register: airflow_config
notify:
- restart airflow-webserver
- restart airflow-scheduler
- restart airflow-worker
- name: Airflow | Config | Install scheduler systemd unit file
template:
src: airflow-scheduler.service.j2
dest: /usr/lib/systemd/system/airflow-scheduler.service
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
register: airflow_config
notify:
- restart airflow-webserver
- restart airflow-scheduler
- restart airflow-worker
- name: Airflow | Config | Install worker systemd unit file
template:
src: airflow-worker.service.j2
dest: /usr/lib/systemd/system/airflow-worker.service
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
register: airflow_config
notify:
- restart airflow-webserver
- restart airflow-scheduler
- restart airflow-worker
- name: Airflow | Config | Copy extra airflow config files (provided by playbooks)
copy:
src: "{{ item }}"
dest: "{{ airflow_home }}/{{ item | basename }}"
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
with_fileglob:
- "{{ airflow_extra_conf_path }}/*"
notify:
- restart airflow-webserver
- restart airflow-scheduler
- restart airflow-worker
- name: Airflow | Config | Copy extra airflow config templates (provided by playbooks)
template:
src: "{{ item }}"
dest: "{{ airflow_home }}/{{ item | basename }}"
owner: "{{ airflow_user }}"
group: "{{ airflow_group }}"
mode: 0640
with_fileglob:
- "{{ airflow_extra_conf_template_path }}/*"
notify:
- restart airflow-webserver
- restart airflow-scheduler
- restart airflow-worker
- name: Airflow | Config | Add variables from configuration file
command: "{{ airflow_executable }} variables -s {{ item.key }} {{ item.value }}"
environment:
AIRFLOW_HOME: "{{ airflow_home }}"
become: true
become_user: "{{ airflow_user }}"
with_items: "{{ airflow_admin_variables }}"
tags:
skip_ansible_lint
- name: Airflow | Config | Add connections from configuration file
command: "{{ airflow_executable }} connections -a {% for key, value in item.iteritems() %}--{{ key }} '{{ value }}' {% endfor %}"
environment:
AIRFLOW_HOME: "{{ airflow_home }}"
become: true
become_user: "{{ airflow_user }}"
with_items: "{{ airflow_admin_connections }}"
tags:
skip_ansible_lint
service.yml
---
- name: Airflow | Services |Configuring service
systemd:
name: "{{ item.key }}"
state: "{{ item.value.state }}"
enabled: "{{ item.value.enabled }}"
daemon_reload: yes
become: yes
become_method: sudo
become_user: root
with_dict: "{{ airflow_services }}"
when: "{{ item.value.enabled }}"
changed_when: false
health.yml
---
- name: Airflow | Health | DB Bug fix
shell: "mysql -u root -e 'alter table airflow.task_instance add column executor_config varchar(15) after task_id;'"
- name: Airflow | Health | Status
wait_for:
host: localhost
port: "{{ item }}"
state: started # Port should be open
delay: 15 # No wait before first check (sec)
timeout: 3 # Stop checking after timeout (sec)
ignore_errors: yes
with_items:
- 8080
Error Log while installing this in AWS RHEL server
TASK [../../roles/airflow : Airflow | Health | DB Bug fix] ********************************************************************************************************************
fatal: [127.0.0.1]: FAILED! => {"changed": true, "cmd": "mysql -u root -e 'alter table airflow.task_instance add column executor_config varchar(15) after task_id;'", "delta": "0:00:00.192266", "end": "2018-12-31 10:35:22.455342", "msg": "non-zero return code", "rc": 1, "start": "2018-12-31 10:35:22.263076", "stderr": "ERROR 1146 (42S02) at line 1: Table 'airflow.task_instance' doesn't exist", "stderr_lines": ["ERROR 1146 (42S02) at line 1: Table 'airflow.task_instance' doesn't exist"], "stdout": "", "stdout_lines": []}
I was following below link to proceed with the installation to upgrade from 1.8 to 1.10.0 :-
https://airflow.apache.org/installation.html
Error after suggestions:-
TASK [../../roles/airflow : Airflow | Config | Initialize Airflow Database] ***********************************************************************************************************************
fatal: [127.0.0.1]: FAILED! => {"changed": true, "cmd": "/usr/bin/airflow initdb", "delta": "0:00:00.202622", "end": "2018-12-31 16:15:59.082736", "msg": "non-zero return code", "rc": 1, "start": "2018-12-31 16:15:58.880114", "stderr": "Traceback (most recent call last):\n File \"/usr/bin/airflow\", line 21, in <module>\n from airflow import configuration\n File \"/usr/lib/python2.7/site-packages/airflow/__init__.py\", line 35, in <module>\n from airflow import configuration as conf\n File \"/usr/lib/python2.7/site-packages/airflow/configuration.py\", line 506, in <module>\n conf.read(AIRFLOW_CONFIG)\n File \"/usr/lib/python2.7/site-packages/airflow/configuration.py\", line 280, in read\n super(AirflowConfigParser, self).read(filenames)\n File \"/usr/lib/python2.7/site-packages/backports/configparser/__init__.py\", line 705, in read\n self._read(fp, filename)\n File \"/usr/lib/python2.7/site-packages/backports/configparser/__init__.py\", line 1087, in _read\n lineno)\nbackports.configparser.DuplicateSectionError: While reading from '/home/ec2-user/airflow/airflow.cfg' [line 60]: section u'core' already exists", "stderr_lines": ["Traceback (most recent call last):", " File \"/usr/bin/airflow\", line 21, in <module>", " from airflow import configuration", " File \"/usr/lib/python2.7/site-packages/airflow/__init__.py\", line 35, in <module>", " from airflow import configuration as conf", " File \"/usr/lib/python2.7/site-packages/airflow/configuration.py\", line 506, in <module>", " conf.read(AIRFLOW_CONFIG)", " File \"/usr/lib/python2.7/site-packages/airflow/configuration.py\", line 280, in read", " super(AirflowConfigParser, self).read(filenames)", " File \"/usr/lib/python2.7/site-packages/backports/configparser/__init__.py\", line 705, in read", " self._read(fp, filename)", " File \"/usr/lib/python2.7/site-packages/backports/configparser/__init__.py\", line 1087, in _read", " lineno)", "backports.configparser.DuplicateSectionError: While reading from '/home/ec2-user/airflow/airflow.cfg' [line 60]: section u'core' already exists"], "stdout": "", "stdout_lines": []}
New error log after implementing @kaxil suggestion:-
sqlalchemy.exc.InvalidRequestError: This Session's transaction has been rolled back due to a previous exception during flush. To begin a new transaction with this Session, first issue Session.rollback(). Original exception was: (_mysql_exceptions.ProgrammingError) (1146, "Table 'airflow.log' doesn't exist") [SQL: u'INSERT INTO log (dttm, dag_id, task_id, event, execution_date, owner, extra) VALUES (%s, %s, %s, %s, %s, %s, %s)'] [parameters: (datetime.datetime(2019, 1, 2, 10, 49, 11, 49590, tzinfo=<Timezone [UTC]>), None, None, 'cli_webserver', None, 'ec2-user', '{"full_command": "[\'/usr/bin/airflow\', \'webserver\']", "host_name": "ip-10-136-94-144.eu-central-1.compute.internal"}')]
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