Coverity on Polaris Environment Variables

The following environment variables are set by an administrator.

Name	Description
`POLARIS_ACCESS_TOKEN`	The token value. If this environment variable is set, it takes precedence over other sources such as file and keychain. For example, `POLARIS_ACCESS_TOKEN` always takes precedence over the `POLARIS_ACCESS_TOKEN_FILE` environment variable.
`POLARIS_ACCESS_TOKEN_FILE`	The file containing the access token to use when authenticating. If this value is not set, the platform-credential store is used. For Windows, this is credential manager; for MacOS, it is keychain; and for Linux, it is a file containing the access token. The default is `$POLARIS_HOME/.access_token`
`POLARIS_HOME`	The home directory to use for the tool. This directory is used to store locally downloaded tools packages, and the access token file for Linux. The default is `$HOME/.blackduck/polaris`. If you create a directory and designate it as `POLARIS_HOME`, be sure to create the directory before changing the environment variable.
`POLARIS_SERVER_URL`	URL of the Coverity on Polaris server to use. This value can be useful for automation. If this environment variable is set to the Coverity on Polaris URL, all the Coverity on Polaris CLI commands point to that URL. If this variable is not set, then the setup, capture, and analyze commands prompt the user to enter the Coverity on Polaris URL.
`POLARIS_TOKEN_ATTEMPTS`	The number of times users are prompted for the access token after the given access token is invalid. If the access token is entered using the console, users are prompted at most `POLARIS_TOKEN_ATTEMPTS - 1` times. If the access token is read from another location such as a file, users are prompted at most `POLARIS_TOKEN _ATTEMPTS` times.
`POLARIS_USER_INPUT_TIMEOUT_MINUTES`	The time in minutes allowed for a user to specify input. The default value is five minutes.
`POLARIS_UPLOAD_SERVICE_URL`	The URL to use for uploading capture data when it is not sent directly to the Coverity on Polaris server. For example the URL of a load-balancing server. (This can also be set in the polaris.yml file.)

Note: Coverity on Polaris CLI uses the underlying system's proxy settings. So if your CI container requires some proxy settings to connect to internet , they should be set in advance, before running CLI. There are no additional proxy settings needed by Coverity on Polaris CLI.