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EnvironmentVariables.md

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Environment variable tips

ecohub development and testing is greatly simplified by proper setting of local and temporary environment variables. The methods described in this document only set, display and remove environment variables from the console in which they are executed and do not affect other running sessions.

Windows

From a Windows PowerShell command, temporary environment variables are set like this (spaces on either side of the equals sign do not matter):

$env:TETRATION_API_KEY = "xxxxxxxxxxxx"
$env:TETRATION_API_SECRET = "yyyyyyyyyyyyy"
$env:TETRATION_ENDPOINT='https://example.com'

The current state of local environment variables can be viewed and wildcards be used to make searching easy. Example:

PS C:\> Get-ChildItem env:TETRATION*

Name                           Value
----                           -----
TETRATION_API_KEY              xxxxxxxxxxxx
TETRATION_ENDPOINT             https://example.com
TETRATION_API_SECRET           yyyyyyyyyyyyy

Environment variables are easily removed from the current console. Example:

PS C:\> Remove-Item env:TETRATION_API_KEY
PS C:\> Get-ChildItem env:TETRATION*

Name                           Value
----                           -----
TETRATION_ENDPOINT             https://example.com
TETRATION_API_SECRET           yyyyyyyyyyyyy

Linux and MacOS

From a Linux or MacOS terminal, temporary environment variables are set like this (spaces on either side of the equals sign are not allowed):

export TETRATION_API_KEY=xxxxxxxxxxxx
export TETRATION_API_SECRET=yyyyyyyyyyyyy
export TETRATION_ENDPOINT=https://example.com

The current state of local environment variables can be viewed:

# echo $TETRATION_API_KEY
xxxxxxxxxxxx
# printenv | grep TETRATION
TETRATION_API_KEY=xxxxxxxxxxxx
TETRATION_API_SECRET=yyyyyyyyyyyyy
TETRATION_ENDPOINT=https://example.com

Environment variables are easily removed from the current console. Example:

# unset TETRATION_API_KEY
# printenv | grep TETRATION
TETRATION_API_SECRET=yyyyyyyyyyyyy
TETRATION_ENDPOINT=https://example.com