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优化离线下载镜像的实现

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This commit is contained in:
user123
2026-02-02 06:12:31 +08:00
parent 3917b2503a
commit 23dd077f5d
4 changed files with 342 additions and 72 deletions
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src/public/images.html
Vendored
+122 -29
View File
@@ -728,7 +728,7 @@
}
}
function buildDownloadUrl(imageName, platform = '', useCompressed = true) {
function buildDownloadUrl(imageName, platform = '', useCompressed = true, mode = '') {
const encodedImage = imageName.replace(/\//g, '_');
let url = `/api/image/download/${encodedImage}`;
@@ -737,6 +737,9 @@
params.append('platform', platform.trim());
}
params.append('compressed', useCompressed.toString());
if (mode) {
params.append('mode', mode);
}
if (params.toString()) {
url += '?' + params.toString();
@@ -745,7 +748,65 @@
return url;
}
document.getElementById('singleForm').addEventListener('submit', function(e) {
function buildInfoUrl(imageName) {
const encodedImage = imageName.replace(/\//g, '_');
return `/api/image/info/${encodedImage}`;
}
async function preflightImageDownload(imageName) {
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 8000);
try {
const response = await fetch(buildInfoUrl(imageName), {
method: 'GET',
headers: {
'Accept': 'application/json'
},
cache: 'no-store',
signal: controller.signal
});
const contentType = response.headers.get('Content-Type') || '';
let payload = null;
if (contentType.includes('application/json')) {
payload = await response.json();
}
if (!response.ok) {
return { ok: false, error: (payload && payload.error) ? payload.error : '镜像预检失败' };
}
if (payload && payload.success === false) {
return { ok: false, error: payload.error || '镜像预检失败' };
}
return { ok: true };
} catch (error) {
if (error.name === 'AbortError') {
return { ok: false, error: '预检超时，请稍后重试' };
}
return { ok: false, error: '网络错误: ' + error.message };
} finally {
clearTimeout(timeoutId);
}
}
async function preflightImages(images) {
const uniqueImages = Array.from(new Set(images));
const results = await Promise.allSettled(uniqueImages.map((imageName) => preflightImageDownload(imageName)));
for (let i = 0; i < results.length; i++) {
const result = results[i];
if (result.status === 'rejected') {
return { ok: false, error: '预检失败，请稍后重试' };
}
if (!result.value.ok) {
return { ok: false, error: result.value.error || '预检失败' };
}
}
return { ok: true };
}
document.getElementById('singleForm').addEventListener('submit', async function(e) {
e.preventDefault();
const imageName = document.getElementById('imageInput').value.trim();
@@ -760,20 +821,50 @@
hideStatus('singleStatus');
setButtonLoading('downloadBtn', 'downloadText', 'downloadLoading', true);
const downloadUrl = buildDownloadUrl(imageName, platform, useCompressed);
const link = document.createElement('a');
link.href = downloadUrl;
link.download = '';
link.style.display = 'none';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
const platformText = platform ? ` (${platform})` : '';
showStatus('singleStatus', `开始下载 ${imageName}${platformText}`, 'success');
setButtonLoading('downloadBtn', 'downloadText', 'downloadLoading', false);
showStatus('singleStatus', '正在准备下载...', 'success');
const preflightResult = await preflightImages([imageName]);
if (!preflightResult.ok) {
showStatus('singleStatus', preflightResult.error, 'error');
setButtonLoading('downloadBtn', 'downloadText', 'downloadLoading', false);
return;
}
const prepareUrl = buildDownloadUrl(imageName, platform, useCompressed, 'prepare');
try {
const response = await fetch(prepareUrl, {
method: 'GET',
headers: {
'Accept': 'application/json'
},
cache: 'no-store'
});
if (response.ok) {
const data = await response.json();
if (!data || !data.download_url) {
showStatus('singleStatus', '下载地址生成失败', 'error');
return;
}
const link = document.createElement('a');
link.href = data.download_url;
link.download = '';
link.style.display = 'none';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
const platformText = platform ? ` (${platform})` : '';
showStatus('singleStatus', `开始下载 ${imageName}${platformText}`, 'success');
} else {
const error = await response.json();
showStatus('singleStatus', error.error || '下载失败', 'error');
}
} catch (error) {
showStatus('singleStatus', '网络错误: ' + error.message, 'error');
} finally {
setButtonLoading('downloadBtn', 'downloadText', 'downloadLoading', false);
}
});
document.getElementById('batchForm').addEventListener('submit', async function(e) {
@@ -808,9 +899,16 @@
hideStatus('batchStatus');
setButtonLoading('batchDownloadBtn', 'batchDownloadText', 'batchDownloadLoading', true);
showStatus('batchStatus', '正在准备下载...', 'success');
const preflightResult = await preflightImages(images);
if (!preflightResult.ok) {
showStatus('batchStatus', preflightResult.error, 'error');
setButtonLoading('batchDownloadBtn', 'batchDownloadText', 'batchDownloadLoading', false);
return;
}
try {
const response = await fetch('/api/image/batch', {
const response = await fetch('/api/image/batch?mode=prepare', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
@@ -819,24 +917,19 @@
});
if (response.ok) {
const contentDisposition = response.headers.get('Content-Disposition');
let filename = `batch_${images.length}_images.tar`;
if (contentDisposition) {
const matches = contentDisposition.match(/filename="(.+)"/);
if (matches) filename = matches[1];
const data = await response.json();
if (!data || !data.download_url) {
showStatus('batchStatus', '下载地址生成失败', 'error');
return;
}
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const url = data.download_url;
const link = document.createElement('a');
link.href = url;
link.download = filename;
link.style.display = 'none';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
window.URL.revokeObjectURL(url);
const platformText = platform ? ` (${platform})` : '';
showStatus('batchStatus', `开始下载 ${images.length} 个镜像${platformText}`, 'success');
@@ -872,4 +965,4 @@
initMobileMenu();
</script>
</body>
</html>
</html>
src/public/search.html
Vendored
+2 -12
View File
@@ -778,16 +778,10 @@
</div>
</div>
<div class="tag-list" id="tagList">
<div class="pagination" id="tagPagination" style="display: none;">
<button id="tagPrevPage" disabled>上一页</button>
<button id="tagNextPage" disabled>下一页</button>
</div>
</div>
<div class="tag-list" id="tagList"></div>
</div>
<div id="toast"></div>
<script>
const formatUtils = {
formatNumber(num) {
@@ -1047,7 +1041,6 @@
}
// 分页更新函数
const updateSearchPagination = () => updatePagination();
const updateTagPagination = () => updatePagination({
currentPage: currentTagPage,
totalPages: totalTagPages,
@@ -1217,9 +1210,6 @@
const currentNamespace = namespace || repoInfo.namespace;
const currentName = name || repoInfo.name;
// 调试日志
console.log(`loadTagPage: namespace=${currentNamespace}, name=${currentName}, page=${currentTagPage}`);
if (!currentNamespace || !currentName) {
showToast('命名空间和镜像名称不能为空');
return;
@@ -1488,4 +1478,4 @@
</script>
</main>
</body>
</html>
</html>