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Caching home directory for remoteUser after feature install #774

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Caching home directory for remoteUser after feature install #774

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11 changes: 10 additions & 1 deletion src/spec-configuration/containerFeaturesConfiguration.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -293,15 +293,21 @@ export function getFeatureLayers(featuresConfig: FeaturesConfig, containerUser:

const useSELinuxLabel = process.platform === 'linux' && isBuildah;
const builtinsEnvFile = `${path.posix.join(FEATURES_CONTAINER_TEMP_DEST_FOLDER, 'devcontainer-features.builtin.env')}`;
let result = `RUN \\
const tempUserHome = `RUN \\
echo "_CONTAINER_USER_HOME=$(${getEntPasswdShellCommand(containerUser)} | cut -d: -f6)" >> ${builtinsEnvFile} && \\
echo "_REMOTE_USER_HOME=$(${getEntPasswdShellCommand(remoteUser)} | cut -d: -f6)" >> ${builtinsEnvFile}

`;

// placeholder empty string to concatenate the feature layers
let result = '';

// Features version 1
const folders = (featuresConfig.featureSets || []).filter(y => y.internalVersion !== '2').map(x => x.features[0].consecutiveId);
folders.forEach(folder => {
// calculate container user home and remote user home before feature installation
result += tempUserHome;

const source = path.posix.join(contentSourceRootPath, folder!);
const dest = path.posix.join(FEATURES_CONTAINER_TEMP_DEST_FOLDER, folder!);
if (!useBuildKitBuildContexts) {
Expand All @@ -327,6 +333,9 @@ RUN chmod -R 0755 ${dest} \\
// Features version 2
featuresConfig.featureSets.filter(y => y.internalVersion === '2').forEach(featureSet => {
featureSet.features.forEach(feature => {
// recalculate container user home and remote user home if feature modifies it
result += tempUserHome;

result += generateContainerEnvs(feature.containerEnv);
const source = path.posix.join(contentSourceRootPath, feature.consecutiveId!);
const dest = path.posix.join(FEATURES_CONTAINER_TEMP_DEST_FOLDER, feature.consecutiveId!);
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4 changes: 4 additions & 0 deletions src/test/container-features/generateFeaturesConfig.test.ts
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Expand Up @@ -76,6 +76,10 @@ RUN chmod -R 0755 /tmp/dev-container-features/color_0 \\
&& chmod +x ./devcontainer-features-install.sh \\
&& ./devcontainer-features-install.sh

RUN \\
echo "_CONTAINER_USER_HOME=$(${getEntPasswdShellCommand('testContainerUser')} | cut -d: -f6)" >> /tmp/dev-container-features/devcontainer-features.builtin.env && \\
echo "_REMOTE_USER_HOME=$(${getEntPasswdShellCommand('testRemoteUser')} | cut -d: -f6)" >> /tmp/dev-container-features/devcontainer-features.builtin.env


COPY --chown=root:root --from=dev_containers_feature_content_source /tmp/build-features/hello_1 /tmp/dev-container-features/hello_1
RUN chmod -R 0755 /tmp/dev-container-features/hello_1 \\
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