fix: image failures for non-root uses of yarn and pnpm
#391
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The lockfile generation tool `yarn` fails when used in the `phylum-ci` Docker image as a non-root user. An example of the failure can be seen from the output of the "smoke test," which is using `scripts/docker_tests.sh` to ensure basic functionality: ``` yarn --version Internal Error: EACCES: permission denied, open '/usr/local/corepack/lastKnownGood.json' Error: EACCES: permission denied, open '/usr/local/corepack/lastKnownGood.json' ``` The same behavior happens for `pnpm`. These are the tools installed by `corepack`, which changed recently to "Bump Known Good Release when downloading new version" (nodejs/corepack#364). Part of that change was to make use of the `COREPACK_DEFAULT_TO_LATEST` environment variable to *not* update the last known good version, but setting that to `0` does not appear to prevent *all* writes (or creating a file handle with write permission) to the `lastKnownGood.json` file. This fix simply modifies the file permissions for `lastKnownGood.json` so that non-root users can read and write to it. This approach may seem specific to a file that may change name or location in the future, but the alternative method of adding `${COREPACK_HOME}` to the list of directories that get updated with a `chmod -vR 777` was deemed to be too blunt and therefore less desirable.
kylewillmon
previously approved these changes
Feb 22, 2024
Co-authored-by: Kyle Willmon <kyle@phylum.io>
kylewillmon
approved these changes
Feb 22, 2024
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The lockfile generation tool
yarnfails when used in thephylum-ciDocker image as a non-root user. An example of the failure can be seen from the output of the "smoke test," which is usingscripts/docker_tests.shto ensure basic functionality:The same behavior happens for
pnpm. These are the tools installed bycorepack, which changed recently to "Bump Known Good Release when downloading new version" (nodejs/corepack#364). Part of that change was to make use of theCOREPACK_DEFAULT_TO_LATESTenvironment variable to not update the last known good version, but setting that to0does not appear to prevent all writes (or creating a file handle with write permission) to thelastKnownGood.jsonfile.This fix simply modifies the file permissions for
lastKnownGood.jsonso that non-root users can read and write to it. This approach may seem specific to a file that may change name or location in the future, but the alternative method of adding${COREPACK_HOME}to the list of directories that get updated with achmod -vR 777was deemed to be too blunt and therefore less desirable.