Systemd service for a ruby rake job and environmental variables

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I have many environmental variables that are required to run my ruby rake job. This job will be supervised by systemd.



How can I export all the environmental variables?



And also export them in such a way so that only my systemd service will see them, if this possible.



Here's my service which has only a single environmental variable in it:



 $ cat /etc/systemd/system/my_service.service 
[Unit]
After=syslog.target
Requires=mysql.service

[Service]
WorkingDirectory=/home/ubuntu/my_app/app1
ExecStart=/bin/bash -lc 'source /home/ubuntu/.profile && bundle exec rake jobs:job1'
Restart=on-abort
RestartSec=10
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=app1_bg_jobs
User=ubuntu
Group=ubuntu
Environment=RAILS_ENV=staging

[Install]
WantedBy=multi-user.target


I don't want to use the key Environment because there're many variables and some may contain $HOME which won't be resolved in systemd










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    up vote
    1
    down vote

    favorite












    I have many environmental variables that are required to run my ruby rake job. This job will be supervised by systemd.



    How can I export all the environmental variables?



    And also export them in such a way so that only my systemd service will see them, if this possible.



    Here's my service which has only a single environmental variable in it:



     $ cat /etc/systemd/system/my_service.service 
    [Unit]
    After=syslog.target
    Requires=mysql.service

    [Service]
    WorkingDirectory=/home/ubuntu/my_app/app1
    ExecStart=/bin/bash -lc 'source /home/ubuntu/.profile && bundle exec rake jobs:job1'
    Restart=on-abort
    RestartSec=10
    StandardOutput=syslog
    StandardError=syslog
    SyslogIdentifier=app1_bg_jobs
    User=ubuntu
    Group=ubuntu
    Environment=RAILS_ENV=staging

    [Install]
    WantedBy=multi-user.target


    I don't want to use the key Environment because there're many variables and some may contain $HOME which won't be resolved in systemd










    share|improve this question

























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I have many environmental variables that are required to run my ruby rake job. This job will be supervised by systemd.



      How can I export all the environmental variables?



      And also export them in such a way so that only my systemd service will see them, if this possible.



      Here's my service which has only a single environmental variable in it:



       $ cat /etc/systemd/system/my_service.service 
      [Unit]
      After=syslog.target
      Requires=mysql.service

      [Service]
      WorkingDirectory=/home/ubuntu/my_app/app1
      ExecStart=/bin/bash -lc 'source /home/ubuntu/.profile && bundle exec rake jobs:job1'
      Restart=on-abort
      RestartSec=10
      StandardOutput=syslog
      StandardError=syslog
      SyslogIdentifier=app1_bg_jobs
      User=ubuntu
      Group=ubuntu
      Environment=RAILS_ENV=staging

      [Install]
      WantedBy=multi-user.target


      I don't want to use the key Environment because there're many variables and some may contain $HOME which won't be resolved in systemd










      share|improve this question















      I have many environmental variables that are required to run my ruby rake job. This job will be supervised by systemd.



      How can I export all the environmental variables?



      And also export them in such a way so that only my systemd service will see them, if this possible.



      Here's my service which has only a single environmental variable in it:



       $ cat /etc/systemd/system/my_service.service 
      [Unit]
      After=syslog.target
      Requires=mysql.service

      [Service]
      WorkingDirectory=/home/ubuntu/my_app/app1
      ExecStart=/bin/bash -lc 'source /home/ubuntu/.profile && bundle exec rake jobs:job1'
      Restart=on-abort
      RestartSec=10
      StandardOutput=syslog
      StandardError=syslog
      SyslogIdentifier=app1_bg_jobs
      User=ubuntu
      Group=ubuntu
      Environment=RAILS_ENV=staging

      [Install]
      WantedBy=multi-user.target


      I don't want to use the key Environment because there're many variables and some may contain $HOME which won't be resolved in systemd







      linux systemd environment-variables






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      edited Dec 4 at 10:40









      Jeff Schaller

      37.6k1052121




      37.6k1052121










      asked Dec 4 at 3:41









      nylypej

      1344




      1344

























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