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Support rollover of admin token #98

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Support rollover of admin token #98

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32 changes: 29 additions & 3 deletions server/config.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,9 @@ const globalConf = require('config')
console.log('NODE_CONFIG_DIR: ' + globalConf.util.getEnv('NODE_CONFIG_DIR'));
console.log('NODE_ENV: ' + globalConf.util.getEnv('NODE_ENV'));

const tokenPath = globalConf.server_config.token_path;
let watcher = null;

/*
* a logger
*/
Expand All @@ -47,9 +50,8 @@ const L = createLogger({
// token parameters
if (globalConf.server_config.token_path &&
(globalConf.auth_mode === 'k8s' || globalConf.auth_mode === 'user')) {
L.info("Setting tokens from path: " + globalConf.server_config.token_path)
const token = fs.readFileSync(globalConf.server_config.token_path, "utf8")
globalConf.server_config.admin_token = token.trim()
updateAdminToken();
watchTokenFile();
}

// Set derived config
Expand Down Expand Up @@ -92,3 +94,27 @@ module.exports = {
L,
globalConf,
};

// Function to execute code when the token file changes
function updateAdminToken() {
try {
const token = fs.readFileSync(tokenPath, "utf8");
globalConf.server_config.admin_token = token.trim();
L.info('Token file changed. Admin token updated.');
} catch (error) {
L.error('Error updating admin token:', error);
}
}

// Watch the token file or symbolic link
function watchTokenFile() {
watcher = fs.watch(tokenPath, (event, filename) => {
if (event === 'change') {
updateAdminToken();
} else if (event === 'rename') {
watcher.close();
watchTokenFile();
}
});
}