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Installing ssh-askpass on a ec2 instance & progmatically creatting a ssh tunnel

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I am trying to be able to create a ssh tunnel on server startup. I've taken guidance from this answer on SO for guidance on what I need to do to be able to pragmatically pass in the password for the encrypted ssh key (the key is checked into git) as an environment variable.

From what I can tell, I should be using SSH_ASKPASS as the environment variable and using a script that looks something like this when my AWS Beanstalk instance starts up.

eval `ssh-agent -s` &&
export SSH_ASKPASS=$MY_PASSWORD_ENV_VAR &&
export DISPLAY= &&
chown ec2-user /var/app/staging/my-password-protected-key.pem &&
ssh-add /var/app/staging/eclair-test &&
ssh -L 8080:localhost:8080 ubuntu@my-site.com &

This answer suggests I need to have openssh-askpass installed to be able to recognize that I have set the env var correctly. Unfortunately I can't seem to figure out where to install ssh-askpass? I thought this would suffice

$ yum search ssh-askpass
Loaded plugins: priorities, update-motd, upgrade-helper
Warning: No matches found for: ssh-askpass
No matches found

The key here is that I cannot have a user prompt to enter the password for decrypting the ssh key as I want to progamatically create the tunnel on server startup.

1. How do I install the ssh-askpass dependency on a ec2 instance?


2. Am I taking the right strategy for doing this?

ssh amazon-web-services ssh-tunnel ssh-agent

share|improve this question

edited May 30 at 3:44

Stephen Rauch

221139

asked May 30 at 0:16

Chris StewartChris Stewart

1012

add a comment | 

0

I am trying to be able to create a ssh tunnel on server startup. I've taken guidance from this answer on SO for guidance on what I need to do to be able to pragmatically pass in the password for the encrypted ssh key (the key is checked into git) as an environment variable.

From what I can tell, I should be using SSH_ASKPASS as the environment variable and using a script that looks something like this when my AWS Beanstalk instance starts up.

eval `ssh-agent -s` &&
export SSH_ASKPASS=$MY_PASSWORD_ENV_VAR &&
export DISPLAY= &&
chown ec2-user /var/app/staging/my-password-protected-key.pem &&
ssh-add /var/app/staging/eclair-test &&
ssh -L 8080:localhost:8080 ubuntu@my-site.com &

This answer suggests I need to have openssh-askpass installed to be able to recognize that I have set the env var correctly. Unfortunately I can't seem to figure out where to install ssh-askpass? I thought this would suffice

$ yum search ssh-askpass
Loaded plugins: priorities, update-motd, upgrade-helper
Warning: No matches found for: ssh-askpass
No matches found

The key here is that I cannot have a user prompt to enter the password for decrypting the ssh key as I want to progamatically create the tunnel on server startup.

1. How do I install the ssh-askpass dependency on a ec2 instance?


2. Am I taking the right strategy for doing this?

ssh amazon-web-services ssh-tunnel ssh-agent

share|improve this question

edited May 30 at 3:44

Stephen Rauch

221139

asked May 30 at 0:16

Chris StewartChris Stewart

1012

add a comment | 

I am trying to be able to create a ssh tunnel on server startup. I've taken guidance from this answer on SO for guidance on what I need to do to be able to pragmatically pass in the password for the encrypted ssh key (the key is checked into git) as an environment variable.

From what I can tell, I should be using SSH_ASKPASS as the environment variable and using a script that looks something like this when my AWS Beanstalk instance starts up.

eval `ssh-agent -s` &&
export SSH_ASKPASS=$MY_PASSWORD_ENV_VAR &&
export DISPLAY= &&
chown ec2-user /var/app/staging/my-password-protected-key.pem &&
ssh-add /var/app/staging/eclair-test &&
ssh -L 8080:localhost:8080 ubuntu@my-site.com &

This answer suggests I need to have openssh-askpass installed to be able to recognize that I have set the env var correctly. Unfortunately I can't seem to figure out where to install ssh-askpass? I thought this would suffice

$ yum search ssh-askpass
Loaded plugins: priorities, update-motd, upgrade-helper
Warning: No matches found for: ssh-askpass
No matches found

The key here is that I cannot have a user prompt to enter the password for decrypting the ssh key as I want to progamatically create the tunnel on server startup.

1. How do I install the ssh-askpass dependency on a ec2 instance?


2. Am I taking the right strategy for doing this?

ssh amazon-web-services ssh-tunnel ssh-agent

share|improve this question

edited May 30 at 3:44

Stephen Rauch

221139

asked May 30 at 0:16

Chris StewartChris Stewart

1012

eval `ssh-agent -s` &&
export SSH_ASKPASS=$MY_PASSWORD_ENV_VAR &&
export DISPLAY= &&
chown ec2-user /var/app/staging/my-password-protected-key.pem &&
ssh-add /var/app/staging/eclair-test &&
ssh -L 8080:localhost:8080 ubuntu@my-site.com &

$ yum search ssh-askpass
Loaded plugins: priorities, update-motd, upgrade-helper
Warning: No matches found for: ssh-askpass
No matches found

share|improve this question

edited May 30 at 3:44

Stephen Rauch

221139

asked May 30 at 0:16

Chris StewartChris Stewart

1012

share|improve this question

edited May 30 at 3:44

Stephen Rauch

221139

asked May 30 at 0:16

Chris StewartChris Stewart

1012

edited May 30 at 3:44

Stephen Rauch

221139

edited May 30 at 3:44

Stephen Rauch

221139

asked May 30 at 0:16

Chris StewartChris Stewart

1012

asked May 30 at 0:16

Chris StewartChris Stewart

1012