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Add skip_pre_post build option, cancel endpoint, and recipe package

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- skip_pre_post flag on builds bypasses apt update/clean pre/post steps for
  faster iteration when the recipe handles its own environment setup
- POST /v1/admin/builds/{id}/cancel endpoint marks an in-progress build as
  cancelled; UpdateBuildStatus now also sets completed_at for 'cancelled'
- internal/recipe: typed recipe parser and executor (RUN/ENV/COPY steps)
  replacing the raw string slice approach in the build worker
- pre/post build commands prefixed with RUN to match recipe step format
This commit is contained in:
Rafeed M. Bhuiyan
2026-03-30 21:24:52 +06:00
parent 25ce0729d5
commit 948db13bed
12 changed files with 981 additions and 134 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
frontend/src/lib/api/builds.ts
View File

@ -38,6 +38,7 @@ export type CreateBuildParams = {
healthcheck?: string;
vcpus?: number;
memory_mb?: number;
skip_pre_post?: boolean;
};
export async function createBuild(params: CreateBuildParams): Promise<ApiResult<Build>> {
@ -69,3 +70,7 @@ export async function listAdminTemplates(): Promise<ApiResult<AdminTemplate[]>>
export async function deleteAdminTemplate(name: string): Promise<ApiResult<void>> {
return apiFetch('DELETE', `/api/v1/admin/templates/${name}`);
}
export async function cancelBuild(id: string): Promise<ApiResult<void>> {
return apiFetch('POST', `/api/v1/admin/builds/${id}/cancel`);
}

92
frontend/src/routes/admin/templates/+page.svelte
View File

@ -6,6 +6,7 @@
import {
listBuilds,
createBuild,
cancelBuild,
listAdminTemplates,
deleteAdminTemplate,
type Build,
@ -52,11 +53,15 @@
vcpus: 1,
memory_mb: 512,
recipe: '',
healthcheck: ''
healthcheck: '',
skip_pre_post: false
});
let creating = $state(false);
let createError = $state<string | null>(null);
// Cancel build state
let cancelingBuildId = $state<string | null>(null);
// Stats
let templateCount = $derived(templates.length);
let snapshotCount = $derived(templates.filter((t) => t.type === 'snapshot').length);
@ -123,12 +128,13 @@
recipe: lines,
healthcheck: createForm.healthcheck.trim() || undefined,
vcpus: createForm.vcpus,
memory_mb: createForm.memory_mb
memory_mb: createForm.memory_mb,
skip_pre_post: createForm.skip_pre_post
});
if (result.ok) {
showCreate = false;
createForm = { name: '', base_template: 'minimal', vcpus: 1, memory_mb: 512, recipe: '', healthcheck: '' };
createForm = { name: '', base_template: 'minimal', vcpus: 1, memory_mb: 512, recipe: '', healthcheck: '', skip_pre_post: false };
builds = [result.data, ...builds];
activeTab = 'builds';
expandedBuildId = result.data.id;
@ -156,6 +162,18 @@
deleting = false;
}
async function handleCancelBuild(buildId: string) {
cancelingBuildId = buildId;
const result = await cancelBuild(buildId);
if (result.ok) {
builds = builds.map((b) => b.id === buildId ? { ...b, status: 'cancelled' } : b);
toast.success('Build cancelled');
} else {
toast.error(result.error ?? 'Failed to cancel build');
}
cancelingBuildId = null;
}
function toggleBuildExpand(buildId: string) {
if (expandedBuildId === buildId) {
expandedBuildId = null;
@ -198,10 +216,28 @@
case 'success': return 'var(--color-accent-bright)';
case 'failed': return 'var(--color-red)';
case 'running': return 'var(--color-blue)';
case 'cancelled': return 'var(--color-amber)';
default: return 'var(--color-text-muted)';
}
}
// Returns [keyword, rest] from a recipe instruction string.
function splitInstruction(cmd: string): [string, string] {
const idx = cmd.indexOf(' ');
if (idx === -1) return [cmd.toUpperCase(), ''];
return [cmd.slice(0, idx).toUpperCase(), cmd.slice(idx + 1)];
}
function keywordColor(keyword: string): string {
switch (keyword) {
case 'RUN': return 'var(--color-blue)';
case 'START': return 'var(--color-accent-bright)';
case 'ENV': return 'var(--color-amber)';
case 'WORKDIR': return 'var(--color-text-tertiary)';
default: return 'var(--color-text-muted)';
}
}
onMount(() => {
fetchTemplates();
fetchBuilds().then(startPolling);
@ -512,6 +548,22 @@
<tr>
<td colspan="7" class="border-b border-[var(--color-border)] last:border-0">
<div class="bg-[var(--color-bg-0)] px-6 py-4" style="animation: fadeUp 0.15s ease both">
{#if build.status === 'pending' || build.status === 'running'}
<div class="mb-4 flex justify-end">
<button
onclick={(e) => { e.stopPropagation(); handleCancelBuild(build.id); }}
disabled={cancelingBuildId === build.id}
class="flex items-center gap-1.5 rounded-[var(--radius-button)] border border-[var(--color-red)]/30 bg-[var(--color-red)]/8 px-3 py-1.5 text-meta text-[var(--color-red)] transition-colors duration-150 hover:bg-[var(--color-red)]/15 disabled:opacity-50"
>
{#if cancelingBuildId === build.id}
<svg class="animate-spin" width="11" height="11" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 12a9 9 0 1 1-6.219-8.56"/></svg>
{:else}
<svg width="11" height="11" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
{/if}
Cancel build
</button>
</div>
{/if}
{#if build.error}
<div class="mb-4 rounded-[var(--radius-input)] border border-[var(--color-red)]/30 bg-[var(--color-red)]/5 px-3 py-2 text-meta text-[var(--color-red)]">
{build.error}
@ -524,6 +576,7 @@
{@const isInternal = log.phase === 'pre-build' || log.phase === 'post-build'}
{@const recipeIdx = log.phase === 'recipe' ? build.logs.filter(l => l.phase === 'recipe' && l.step <= log.step).length : 0}
{@const phaseLabel = isInternal ? (log.phase === 'pre-build' ? 'Pre-build' : 'Post-build') : `Step ${recipeIdx}`}
{@const [kw, kwRest] = splitInstruction(log.cmd)}
<div class="rounded-[var(--radius-input)] border border-[var(--color-border)] bg-[var(--color-bg-1)] overflow-hidden">
<!-- Step header -->
<button
@ -536,16 +589,8 @@
{:else}
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="var(--color-red)" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" class="shrink-0"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
{/if}
{#if isInternal}
<span class="flex-1 text-label font-semibold text-[var(--color-text-tertiary)]">
{phaseLabel}
</span>
{:else}
<span class="text-label font-semibold text-[var(--color-text-tertiary)]">
{phaseLabel}
</span>
<code class="flex-1 truncate font-mono text-meta text-[var(--color-text-primary)]">{log.cmd}</code>
{/if}
<span class="shrink-0 text-label font-semibold text-[var(--color-text-tertiary)]">{phaseLabel}</span>
<code class="flex-1 truncate font-mono text-meta"><span style="color: {keywordColor(kw)}">{kw}</span>{#if kwRest}<span class="text-[var(--color-text-secondary)]"> {kwRest}</span>{/if}</code>
<span class="shrink-0 font-mono text-label text-[var(--color-text-muted)]">{log.elapsed_ms}ms</span>
{#if log.exit !== 0}
<span class="shrink-0 rounded-full bg-[var(--color-red)]/10 px-1.5 py-0.5 font-mono text-label text-[var(--color-red)]">
@ -601,9 +646,10 @@
<span class="text-label font-semibold uppercase tracking-[0.06em] text-[var(--color-text-tertiary)]">Recipe</span>
<div class="mt-2 rounded-[var(--radius-input)] bg-[var(--color-bg-1)] border border-[var(--color-border)] px-3 py-2">
{#each build.recipe as cmd, i}
{@const [kw, kwRest] = splitInstruction(cmd)}
<div class="flex gap-2 py-0.5">
<span class="shrink-0 font-mono text-label text-[var(--color-text-muted)] tabular-nums">{i + 1}.</span>
<code class="font-mono text-meta text-[var(--color-text-secondary)]">{cmd}</code>
<code class="font-mono text-meta"><span style="color: {keywordColor(kw)}">{kw}</span>{#if kwRest}<span class="text-[var(--color-text-secondary)]"> {kwRest}</span>{/if}</code>
</div>
{/each}
</div>
@ -712,18 +758,18 @@
<div>
<label class="mb-1.5 block text-label font-semibold uppercase tracking-[0.05em] text-[var(--color-text-tertiary)]" for="tmpl-recipe">
Recipe <span class="normal-case font-normal text-[var(--color-text-muted)]">(one command per line)</span>
Recipe <span class="normal-case font-normal text-[var(--color-text-muted)]">(one instruction per line)</span>
</label>
<textarea
id="tmpl-recipe"
rows="6"
placeholder={"apt-get update\napt-get install -y python3 python3-pip\npip3 install numpy pandas"}
rows="7"
placeholder={"RUN apt-get install -y python3 python3-pip\nWORKDIR /app\nENV PORT=8080\nRUN pip3 install numpy pandas\nSTART python3 server.py"}
bind:value={createForm.recipe}
disabled={creating}
class="w-full resize-y rounded-[var(--radius-input)] border border-[var(--color-border)] bg-[var(--color-bg-4)] px-3 py-2 font-mono text-meta leading-relaxed text-[var(--color-text-bright)] outline-none placeholder:text-[var(--color-text-muted)] transition-colors duration-150 focus:border-[var(--color-accent)] disabled:opacity-60"
></textarea>
<p class="mt-1 text-label text-[var(--color-text-muted)]">
Each command runs with a 30s timeout. Non-zero exit codes abort the build.
Supports <code class="font-mono">RUN</code>, <code class="font-mono">START</code>, <code class="font-mono">WORKDIR</code>, <code class="font-mono">ENV key=value</code>. RUN steps have a 30s timeout; override with <code class="font-mono">RUN --timeout=5m</code>.
</p>
</div>
@ -743,6 +789,16 @@
If set, the build will poll this command every 1s (up to 60s) after the recipe completes. On success, a full snapshot (with memory state) is created. Without a healthcheck, only the rootfs is saved.
</p>
</div>
<label class="flex cursor-pointer items-center gap-2.5">
<input
type="checkbox"
bind:checked={createForm.skip_pre_post}
disabled={creating}
class="h-4 w-4 cursor-pointer rounded border border-[var(--color-border)] bg-[var(--color-bg-4)] accent-[var(--color-accent)]"
/>
<span class="text-ui text-[var(--color-text-secondary)]">Skip pre-build and post-build steps</span>
</label>
</div>
<div class="mt-6 flex justify-end gap-3">