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I'm researching these days on how to can I keep a powershell process alive so I can run PS code without opening a new process each time.

The need: - Running multiple PS scripts dynamically, so they have the same base (custom) modules, as efficient as possible.

Be able to communicate with stdout/stdin/stderr of these scripts process while it is still running.

Ideally I'd want one process to open with a docker, import my modules, and then collect the code itself to run, run it in the same process as the one already opened so it won't have to open another process nor import again my modules.

The problem: - Setting up PS process in a docker container takes tremendous amount of time. (Roughly 2.5s, before I have even begun to run any code, and I'm talking about the PS process alone)

As of yet I did not find a PS way to run dynamic code on the same process without creating a new process & importing my modules again. Nor did I find a way to dynamically communicate with the new process while it still runs.
Possible Solutions: - Create the initial PS process with -noprofile so it won't load so slowly. (I am yet to test this, but folks on redit seems to be approving of this method) - Use start-process with -NoNewWindow flag, so it will generate new process each time but I guess the initial setup time will be spared. - Trying to use Invoke-Expression on big chunks of code, but from what I understand that is not recommended and probably won't let actively communicate with the code running there until it finishes.

And



Invoke-Expression```

Are the only relevant mechanisms I could find so far.



I've been told AWS lambda features similar functionality as what I am trying to achieve, but looking at it's code I did not make much progress, figured might be worth asking for help from people who are smarter then me :) Any help would be much appreciated. I do not seek for already fully working 3ed side solution, simply being able to mimic that behavior in PS code would be good enough for me.

powershell powershell-core

share|improve this question

asked yesterday

Yarden SadeYarden Sade

1

New contributor

Yarden Sade is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why do you need to communicate with stdout/stdin/stderr of PowerShell host process? Does your scripts interacts with them explicitly?
  
  – PetSerAl
  21 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, they should pass information in real time between them.
  
  – Yarden Sade
  12 hours ago
  

  
  
  
  

add a comment | 

0

1

I'm researching these days on how to can I keep a powershell process alive so I can run PS code without opening a new process each time.

The need: - Running multiple PS scripts dynamically, so they have the same base (custom) modules, as efficient as possible.

Be able to communicate with stdout/stdin/stderr of these scripts process while it is still running.

Ideally I'd want one process to open with a docker, import my modules, and then collect the code itself to run, run it in the same process as the one already opened so it won't have to open another process nor import again my modules.

The problem: - Setting up PS process in a docker container takes tremendous amount of time. (Roughly 2.5s, before I have even begun to run any code, and I'm talking about the PS process alone)

As of yet I did not find a PS way to run dynamic code on the same process without creating a new process & importing my modules again. Nor did I find a way to dynamically communicate with the new process while it still runs.
Possible Solutions: - Create the initial PS process with -noprofile so it won't load so slowly. (I am yet to test this, but folks on redit seems to be approving of this method) - Use start-process with -NoNewWindow flag, so it will generate new process each time but I guess the initial setup time will be spared. - Trying to use Invoke-Expression on big chunks of code, but from what I understand that is not recommended and probably won't let actively communicate with the code running there until it finishes.

And



Invoke-Expression```

Are the only relevant mechanisms I could find so far.



I've been told AWS lambda features similar functionality as what I am trying to achieve, but looking at it's code I did not make much progress, figured might be worth asking for help from people who are smarter then me :) Any help would be much appreciated. I do not seek for already fully working 3ed side solution, simply being able to mimic that behavior in PS code would be good enough for me.

powershell powershell-core

share|improve this question

asked yesterday

Yarden SadeYarden Sade

1

New contributor

Yarden Sade is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why do you need to communicate with stdout/stdin/stderr of PowerShell host process? Does your scripts interacts with them explicitly?
  
  – PetSerAl
  21 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, they should pass information in real time between them.
  
  – Yarden Sade
  12 hours ago
  

  
  
  
  

add a comment | 

I'm researching these days on how to can I keep a powershell process alive so I can run PS code without opening a new process each time.

The need: - Running multiple PS scripts dynamically, so they have the same base (custom) modules, as efficient as possible.

Be able to communicate with stdout/stdin/stderr of these scripts process while it is still running.

Ideally I'd want one process to open with a docker, import my modules, and then collect the code itself to run, run it in the same process as the one already opened so it won't have to open another process nor import again my modules.

The problem: - Setting up PS process in a docker container takes tremendous amount of time. (Roughly 2.5s, before I have even begun to run any code, and I'm talking about the PS process alone)

As of yet I did not find a PS way to run dynamic code on the same process without creating a new process & importing my modules again. Nor did I find a way to dynamically communicate with the new process while it still runs.
Possible Solutions: - Create the initial PS process with -noprofile so it won't load so slowly. (I am yet to test this, but folks on redit seems to be approving of this method) - Use start-process with -NoNewWindow flag, so it will generate new process each time but I guess the initial setup time will be spared. - Trying to use Invoke-Expression on big chunks of code, but from what I understand that is not recommended and probably won't let actively communicate with the code running there until it finishes.

And



Invoke-Expression```

Are the only relevant mechanisms I could find so far.



I've been told AWS lambda features similar functionality as what I am trying to achieve, but looking at it's code I did not make much progress, figured might be worth asking for help from people who are smarter then me :) Any help would be much appreciated. I do not seek for already fully working 3ed side solution, simply being able to mimic that behavior in PS code would be good enough for me.

powershell powershell-core

share|improve this question

asked yesterday

Yarden SadeYarden Sade

1

New contributor

Yarden Sade is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

And



Invoke-Expression```

Are the only relevant mechanisms I could find so far.



I've been told AWS lambda features similar functionality as what I am trying to achieve, but looking at it's code I did not make much progress, figured might be worth asking for help from people who are smarter then me :) Any help would be much appreciated. I do not seek for already fully working 3ed side solution, simply being able to mimic that behavior in PS code would be good enough for me.

share|improve this question

asked yesterday

Yarden SadeYarden Sade

1

New contributor

Yarden Sade is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

Yarden SadeYarden Sade

1

New contributor

Yarden Sade is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Yarden SadeYarden Sade

1

New contributor

Yarden Sade is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Yarden SadeYarden Sade

1