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Create config.txt if there isn't one already

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Change-type: patch
Signed-off-by: Theodor Gherzan <theodor@balena.io>
This commit is contained in:
Theodor Gherzan 2019-11-16 18:43:23 +00:00
parent c46c1e04d3
commit 1570fd424b
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GPG Key ID: FE24E396B42287CE
1 changed files with 45 additions and 38 deletions
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83
src/config/backend.ts
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@ -106,51 +106,58 @@ export class RPiConfigBackend extends DeviceConfigBackend {
return _.startsWith(deviceType, 'raspberry') || deviceType === 'fincm3';
}
public getBootConfig(): Promise<ConfigOptions> {
return Promise.resolve(
fs.readFile(RPiConfigBackend.bootConfigPath, 'utf-8'),
).then(confStr => {
const conf: ConfigOptions = {};
const configStatements = confStr.split(/\r?\n/);
public async getBootConfig(): Promise<ConfigOptions> {
let configContents = '';
for (const configStr of configStatements) {
// Don't show warnings for comments and empty lines
const trimmed = _.trimStart(configStr);
if (_.startsWith(trimmed, '#') || trimmed === '') {
continue;
}
let keyValue = /^([^=]+)=(.*)$/.exec(configStr);
if (keyValue != null) {
const [, key, value] = keyValue;
if (!_.includes(RPiConfigBackend.arrayConfigKeys, key)) {
conf[key] = value;
} else {
if (conf[key] == null) {
conf[key] = [];
}
const confArr = conf[key];
if (!_.isArray(confArr)) {
throw new Error(
`Expected '${key}' to have a config array but got ${typeof confArr}`,
);
}
confArr.push(value);
}
continue;
}
if (await fs.exists(RPiConfigBackend.bootConfigPath)) {
configContents = await fs.readFile(
RPiConfigBackend.bootConfigPath,
'utf-8',
);
} else {
await fs.writeFile(RPiConfigBackend.bootConfigPath, '');
}
// Try the next regex instead
keyValue = /^(initramfs) (.+)/.exec(configStr);
if (keyValue != null) {
const [, key, value] = keyValue;
const conf: ConfigOptions = {};
const configStatements = configContents.split(/\r?\n/);
for (const configStr of configStatements) {
// Don't show warnings for comments and empty lines
const trimmed = _.trimStart(configStr);
if (_.startsWith(trimmed, '#') || trimmed === '') {
continue;
}
let keyValue = /^([^=]+)=(.*)$/.exec(configStr);
if (keyValue != null) {
const [, key, value] = keyValue;
if (!_.includes(RPiConfigBackend.arrayConfigKeys, key)) {
conf[key] = value;
} else {
log.warn(`Could not parse config.txt entry: ${configStr}. Ignoring.`);
if (conf[key] == null) {
conf[key] = [];
}
const confArr = conf[key];
if (!_.isArray(confArr)) {
throw new Error(
`Expected '${key}' to have a config array but got ${typeof confArr}`,
);
}
confArr.push(value);
}
continue;
}
return conf;
});
// Try the next regex instead
keyValue = /^(initramfs) (.+)/.exec(configStr);
if (keyValue != null) {
const [, key, value] = keyValue;
conf[key] = value;
} else {
log.warn(`Could not parse config.txt entry: ${configStr}. Ignoring.`);
}
}
return conf;
}
public setBootConfig(opts: ConfigOptions): Promise<void> {