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restore process.env after exec action with side-effects #153

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purplecabbage merged 5 commits into from
Jun 4, 2025
+9 −0
Merged

restore process.env after exec action with side-effects #153

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15249ff
restore process.env after exec action with side-effects
purplecabbage May 30, 2025
595f2b5
added try/catch/finally to ensure env gets reset even if the action t…
purplecabbage Jun 2, 2025
66695b9
Use Object.assign since env props are only strings
purplecabbage Jun 3, 2025
53ba902
remove outdated comment
purplecabbage Jun 3, 2025
4d6bd5e
spread syntax for cloning
purplecabbage Jun 4, 2025
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9 changes: 9 additions & 0 deletions src/lib/run-dev.js
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Original file line number Diff line number Diff line change
Expand Up @@ -349,6 +349,10 @@ async function invokeAction ({ actionRequestContext, logger }) {
}
}
}

// if we run an action, we will restore the process.env after the call
// we must do this before we load the action because code can execute on require/import
const preCallEnv = cloneDeep(process.env)
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// generate an activationID just like openwhisk
process.env.__OW_ACTIVATION_ID = crypto.randomBytes(16).toString('hex')
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Expand All @@ -366,10 +370,15 @@ async function invokeAction ({ actionRequestContext, logger }) {

if (actionFunction) {
try {
// get cwd and process.env before changing it, so we can restore it later
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const originalCwd = process.cwd()
process.chdir(path.dirname(action.function))
process.env.__OW_ACTION_NAME = `/${process.env.__OW_NAMESPACE}/${packageName}/${actionName}`
const response = await actionFunction(params)
delete process.env.__OW_ACTION_NAME
logger.debug('restoring process.env and cwd')
process.env = preCallEnv // restore the environment variables
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process.chdir(originalCwd) // restore the original working directory

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