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dockerbackup
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Ajusta o tratamento de códigos de saída em comandos de container e modifica a lógica de tar para aceitar avisos como sucesso

This commit is contained in:
Alexander Sabino 2026-05-07 11:14:53 +01:00
parent f1931271b7
commit 9450217cc2
2 changed files with 9 additions and 5 deletions
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11
src/backupService.js
View File

@ -457,25 +457,28 @@ class BackupService {
}
const tarParts = [
'set -eu',
'set -u',
'umask 077',
'echo "__DBKP_TAR_BEGIN__" 1>&2',
];
// GNU tar: exit 0 = ok, exit 1 = avisos (arquivos mudaram, permissão negada), exit 2 = erro fatal.
// Aceitamos exit 1 como sucesso para não descartar archives válidos com avisos menores.
if (backupScope === 'container') {
tarParts.push(
`tar --warning=no-file-changed --ignore-failed-read ${tarIncrementalFlag} -czvf - -C / --exclude=proc --exclude=sys --exclude=dev --exclude=run --exclude=tmp .`
`tar --ignore-failed-read ${tarIncrementalFlag} -czvf - -C / --exclude=proc --exclude=sys --exclude=dev --exclude=run --exclude=tmp .; TAR_RC=$?; [ $TAR_RC -le 1 ] || exit $TAR_RC`
);
} else {
tarParts.push(
`tar --warning=no-file-changed --ignore-failed-read ${tarIncrementalFlag} -czvf - -C / ${relSourcePaths.map((item) => shellQuote(item)).join(' ')}`
`tar --ignore-failed-read ${tarIncrementalFlag} -czvf - -C / ${relSourcePaths.map((item) => shellQuote(item)).join(' ')}; TAR_RC=$?; [ $TAR_RC -le 1 ] || exit $TAR_RC`
);
}
updateFileProgress();
pushLog('Iniciando compactacao tar do container.', 'gerando-tar');
await this.dockerService.streamContainerCommandToFile(containerId, tarParts.join(' && '), absoluteArchivePath, {
await this.dockerService.streamContainerCommandToFile(containerId, tarParts.join('; '), absoluteArchivePath, {
maxOkExitCode: 1,
onOutput: (line, stream) => {
const normalizedLine = String(line || '').trim();
if (!normalizedLine || stream !== 'stderr' || normalizedLine.startsWith('__DBKP_TAR_BEGIN__')) {

3
src/dockerService.js
View File

@ -265,6 +265,7 @@ class DockerService {
async streamContainerCommandToFile(containerId, cmd, targetFilePath, options = {}) {
const onOutput = typeof options.onOutput === 'function' ? options.onOutput : () => {};
const maxOkExitCode = typeof options.maxOkExitCode === 'number' ? options.maxOkExitCode : 0;
const container = this.docker.getContainer(containerId);
const exec = await container.exec({
AttachStdout: true,
@ -323,7 +324,7 @@ class DockerService {
}),
]);
if (info.ExitCode !== 0) {
if (info.ExitCode > maxOkExitCode) {
throw new Error(`Comando de stream em container terminou com codigo ${info.ExitCode}`);
}
}