fix(onboard): auto-patch cluster image for Docker 26+ overlayfs nested mount break#2487
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fix(onboard): auto-patch cluster image for Docker 26+ overlayfs nested mount break#2487
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…r 26+ overlayfs nested mount break Detect the Docker 26+ containerd-snapshotter overlayfs configuration in preflight (Linux + Driver=overlayfs + DriverStatus mentions io.containerd.snapshotter.v1) and transparently build a local nemoclaw-cluster:VER-SNAPSHOTTER-SHA image that installs fuse-overlayfs and overrides the k3s CMD with --snapshotter=fuse-overlayfs. This routes around the kernel-level nested-overlay limitation that crashes k3s inside the upstream cluster image on hosts that use Docker 26+'s default containerd image store. The patched image is built on the user's machine via docker build from the upstream image plus a tiny Dockerfile fragment. We do not publish the image; the cache is the user's local Docker engine. Hosts on the legacy overlay2 driver, macOS Docker Desktop, and Linux installs that disable the containerd image store see no behavioral change. Override knobs: - NEMOCLAW_DISABLE_OVERLAY_FIX=1 — skip the auto-fix and run against the unmodified upstream cluster image. - NEMOCLAW_OVERLAY_SNAPSHOTTER=native — bake the k3s `native` snapshotter into the patched image instead of `fuse-overlayfs`. Native uses more disk but has no FUSE dependency. Refs #2481.
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📝 WalkthroughWalkthroughDetects Linux Docker 26+ containerd snapshotter + overlayfs nested-overlay conflicts during onboarding and, when enabled, idempotently builds/uses a locally patched OpenShell cluster image (installing or selecting a compatible snapshotter). Honors env overrides and documents a manual Changes
Sequence DiagramsequenceDiagram
participant User as User
participant Onboard as onboard.ts
participant Preflight as preflight.ts
participant ClusterPatch as cluster-image-patch.ts
participant Docker as Docker Daemon
participant Cache as Local Image Cache
User->>Onboard: start onboarding
Onboard->>Preflight: assessHost()
Preflight->>Docker: docker info
Docker-->>Preflight: storage driver & status
Preflight-->>Onboard: HostAssessment (hasNestedOverlayConflict: true)
alt Conflict detected and fix enabled
Onboard->>ClusterPatch: ensurePatchedClusterImage(upstream, snapshotter)
ClusterPatch->>Cache: docker image inspect <patched-tag>
alt cached
Cache-->>ClusterPatch: image exists
else not cached
ClusterPatch->>Docker: docker manifest inspect / docker pull <upstream>
Docker-->>ClusterPatch: upstream image/digest
ClusterPatch->>ClusterPatch: generate Dockerfile (install fuse-overlayfs / set CMD)
ClusterPatch->>Docker: docker build -> <patched-tag>
Docker-->>ClusterPatch: built patched image
end
ClusterPatch-->>Onboard: patched-image-tag
else No conflict or fix disabled
Onboard-->>Onboard: use upstream image
end
Onboard-->>User: continue onboarding with chosen image
Estimated code review effort🎯 4 (Complex) | ⏱️ ~50 minutes Poem
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✅ Passed checks (4 passed)
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🧪 Generate unit tests (beta)
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Actionable comments posted: 4
🧹 Nitpick comments (3)
src/lib/preflight.ts (1)
186-189: Add a plain-text fallback in storage-driver parsing.
parseDockerUsesContainerdSnapshotteris resilient to both JSON and plaindocker infotext, butparseDockerStorageDrivercurrently only parses JSON. Adding aStorage Driver:fallback keepshasNestedOverlayConflictdetection robust if non-JSON output is ever passed in.Suggested patch
export function parseDockerStorageDriver(info = ""): string | undefined { - const driverMatch = info.match(/"Driver"\s*:\s*"([^"]+)"/); - return driverMatch?.[1]; + const jsonDriver = info.match(/"Driver"\s*:\s*"([^"]+)"/)?.[1]; + if (jsonDriver) return jsonDriver; + const textDriver = info.match(/^\s*Storage Driver:\s*(\S+)/m)?.[1]; + return textDriver; }🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@src/lib/preflight.ts` around lines 186 - 189, The parseDockerStorageDriver function only extracts the driver from JSON; update parseDockerStorageDriver to first try the existing JSON regex and if that fails fall back to a plain-text match for lines like "Storage Driver: <value>" (e.g., a regexp capturing the non-newline value after "Storage Driver:"). Return the captured value or undefined as before; mirror the resilient approach used in parseDockerUsesContainerdSnapshotter so hasNestedOverlayConflict works with non-JSON docker info.docs/reference/troubleshooting.md (1)
242-242: Reduce em-dash usage in this paragraph (LLM pattern detected).This line uses multiple em dashes in one paragraph; prefer periods or commas for clarity.
As per coding guidelines, "Excessive em dashes. One per paragraph is fine; multiple per paragraph ... should be flagged."
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@docs/reference/troubleshooting.md` at line 242, The sentence in troubleshooting.md uses multiple em dashes; rewrite the sentence to remove extra em dashes (keep at most one) by splitting into two sentences or using commas/parentheses for clarity—e.g., replace "The same hardware running Docker 25 or earlier — or any Docker version with the containerd image store disabled — uses the legacy `overlay2` driver and is unaffected." with a version that uses a comma or period to separate clauses so only one em dash remains (edit the exact text in docs/reference/troubleshooting.md).src/lib/onboard.ts (1)
3613-3616: KeepgetGatewayStartEnv()free of build side effects.Calling
applyOverlayfsAutoFix()here means a helper that sounds like pure env assembly now probes Docker and may build a local image. That makes the function surprisingly expensive and harder to reuse safely. I’d resolve the overlay override in the gateway-start path and keep this helper focused on serializing the already-chosen env values.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@src/lib/onboard.ts` around lines 3613 - 3616, getGatewayStartEnv() currently calls applyOverlayfsAutoFix(stableGatewayImage) which introduces build/probing side effects; remove that call so getGatewayStartEnv() only assembles/serializes env values. Resolve overlayOverride earlier in the gateway-start path (call applyOverlayfsAutoFix(stableGatewayImage) where the process actually decides the image), then either set gatewayEnv.OPENSHELL_CLUSTER_IMAGE before invoking getGatewayStartEnv() or add an explicit parameter to getGatewayStartEnv(overlayOverride) so the helper uses the already-resolved value and does not perform Docker/build work itself.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@docs/get-started/prerequisites.md`:
- Line 51: The paragraph containing the sentence about Linux hosts, Docker 26+,
the containerd image store, and how `nemoclaw onboard` builds a
`fuse-overlayfs`-enabled cluster image should be split so each sentence is on
its own source line; locate the line containing the phrases "Linux hosts running
Docker 26", "containerd image store", "`nemoclaw onboard` transparently builds",
"bypass a kernel-level nested-overlay limitation in k3s", and "See the
troubleshooting guide" and break it into separate lines (one sentence per line)
while preserving exact wording and links.
In `@docs/reference/troubleshooting.md`:
- Around line 234-247: The new troubleshooting section has multiple sentences on
single source lines; reflow each sentence onto its own line so each line
contains exactly one sentence, preserving original wording and punctuation;
specifically split the paragraph that starts with "Docker Engine 26 and later
default fresh installations..." and the paragraph that begins "NemoClaw detects
the Docker 26+ containerd-snapshotter..." (also apply the same
one-sentence-per-line fix to the later small paragraph referenced around "The
auto-fix runs once per OpenShell version..." and the note about hosts without
the conflict) so diffs are readable and no sentence remains merged on the same
source line.
In `@src/lib/cluster-image-patch.ts`:
- Around line 78-82: The current extractUpstreamVersion treats a colon anywhere
as a tag (so registry:5000/repo yields "5000/repo"); update
extractUpstreamVersion to remove any digest (after "@") then find the last "/"
index and only consider a colon that appears after that last "/" as a tag
delimiter: if a colon exists after the last slash return the substring after
that colon, otherwise return "unknown". Reference the extractUpstreamVersion
function and variables like afterAt/afterColon when modifying the parsing logic.
In `@src/lib/onboard.ts`:
- Around line 3645-3647: The code silently maps any unknown
NEMOCLAW_OVERLAY_SNAPSHOTTER string to "fuse-overlayfs"; update the logic around
requestedSnapshotter and snapshotter to validate the env var: if the env var is
empty keep the existing default ("fuse-overlayfs"), but if non-empty only accept
the exact allowed values "native" or "fuse-overlayfs" (consider normalizing
whitespace/casing first), and if the value is invalid emit a clear error (or
process exit) instead of silently falling back. Locate the lines where
requestedSnapshotter and snapshotter are defined and replace the permissive
fallback with explicit validation that throws or logs and exits on invalid input
so typos like "NATIVE" or "fuse" don't silently change behavior.
---
Nitpick comments:
In `@docs/reference/troubleshooting.md`:
- Line 242: The sentence in troubleshooting.md uses multiple em dashes; rewrite
the sentence to remove extra em dashes (keep at most one) by splitting into two
sentences or using commas/parentheses for clarity—e.g., replace "The same
hardware running Docker 25 or earlier — or any Docker version with the
containerd image store disabled — uses the legacy `overlay2` driver and is
unaffected." with a version that uses a comma or period to separate clauses so
only one em dash remains (edit the exact text in
docs/reference/troubleshooting.md).
In `@src/lib/onboard.ts`:
- Around line 3613-3616: getGatewayStartEnv() currently calls
applyOverlayfsAutoFix(stableGatewayImage) which introduces build/probing side
effects; remove that call so getGatewayStartEnv() only assembles/serializes env
values. Resolve overlayOverride earlier in the gateway-start path (call
applyOverlayfsAutoFix(stableGatewayImage) where the process actually decides the
image), then either set gatewayEnv.OPENSHELL_CLUSTER_IMAGE before invoking
getGatewayStartEnv() or add an explicit parameter to
getGatewayStartEnv(overlayOverride) so the helper uses the already-resolved
value and does not perform Docker/build work itself.
In `@src/lib/preflight.ts`:
- Around line 186-189: The parseDockerStorageDriver function only extracts the
driver from JSON; update parseDockerStorageDriver to first try the existing JSON
regex and if that fails fall back to a plain-text match for lines like "Storage
Driver: <value>" (e.g., a regexp capturing the non-newline value after "Storage
Driver:"). Return the captured value or undefined as before; mirror the
resilient approach used in parseDockerUsesContainerdSnapshotter so
hasNestedOverlayConflict works with non-JSON docker info.
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Add test/e2e/test-overlayfs-autofix.sh and a matching nightly-e2e workflow job that: 1. Force the GitHub runner's Docker daemon onto the containerd image store via /etc/docker/daemon.json (`features.containerd-snapshotter: true`), restart Docker, and verify Driver=overlayfs + io.containerd.snapshotter.v1 — the exact bug-triggering config from the user report. 2. Install + onboard NemoClaw and assert the auto-fix triggered (detection log line present, nemoclaw-cluster:*-fuse-overlayfs-* image built, gateway running on the patched image, cluster log clean of the canonical k3s nested-overlay error). 3. Re-run onboard and assert the patched image was reused (Created timestamp unchanged) — proves the cache path is hit. 4. Re-run with NEMOCLAW_DISABLE_OVERLAY_FIX=1 under a bounded `timeout 300` and assert k3s logs the canonical `overlayfs snapshotter cannot be enabled` error — proves the auto-fix is the load-bearing piece, not coincidence. 5. Always revert daemon.json + restart Docker on EXIT so a failed test doesn't leave the runner in a degraded state. The script auto-skips on hosts whose Docker version doesn't support the feature flag or doesn't actually flip to overlayfs after the restart. This test is **temporary**. The header comments and the workflow job comments call out removal criteria: delete the script, the job, and the matching notify-on-failure entry in the same PR that deletes src/lib/cluster-image-patch.ts (after OpenShell roadmap #873 lands a non-k3s sandbox driver). Refs #2481.
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 324-337: The test allows an empty patched_tag which can make the
later gateway_image equality check falsely pass when both are empty; update the
flow in test-overlayfs-autofix.sh so that after computing patched_tag you guard
the following assertions: if patched_tag is empty then immediately call fail (or
exit) and do not evaluate the gateway_image check (the block that inspects
GATEWAY_CONTAINER and compares gateway_image to patched_tag). Apply the same
guarding pattern to the similar block around lines 360-383 so you never compare
gateway_image (or other resources) against an empty patched_tag.
- Around line 109-120: The cleanup in revert_daemon_config can copy an invalid
sentinel into DAEMON_JSON and restart Docker, leaving Docker broken; update the
logic so you never write an invalid sentinel to DAEMON_JSON — either (a) use a
valid JSON sentinel (e.g., {}) instead of "/* none */", or (b) before copying
DAEMON_JSON_BACKUP into DAEMON_JSON validate the backup is valid JSON and only
restore if valid; additionally when handling the branch that removes the
containerd-snapshotter flag (the elif that checks for '"containerd-snapshotter":
*true') avoid simply removing DAEMON_JSON unconditionally — instead parse/edit
the JSON to delete just the flag or recreate a valid minimal JSON file so the
restarted docker gets valid JSON. Ensure references: revert_daemon_config,
DAEMON_JSON_BACKUP, DAEMON_JSON, and the containerd-snapshotter removal branch
are updated accordingly.
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ericksoa
changed the title
- src/lib/cluster-image-patch.ts: extractUpstreamVersion now treats a
colon as a tag delimiter only when it appears after the last path
separator, so registry-port references like
registry.example.com:5000/openshell/cluster no longer parse the port
+ repo path as a tag. Three new unit tests cover the registry-port
case, the registry-port-plus-tag case, and the trailing-colon case.
- src/lib/onboard.ts: validate NEMOCLAW_OVERLAY_SNAPSHOTTER. Empty
keeps the fuse-overlayfs default; "native" or "fuse-overlayfs"
(case-insensitive after trim) selects that mode; anything else logs
a warning and falls back to fuse-overlayfs so typos like NATIVE or
fuse don't silently change behavior.
- test/e2e/test-overlayfs-autofix.sh:
* Replace the "/* none */" sentinel inside the daemon.json backup
file with a separate absent-marker file, so revert never writes
invalid JSON into /etc/docker/daemon.json. Revert checks the
marker first and removes the file outright when no original
existed; the legacy "remove our edit" branch is no longer needed
and was deleted.
* Guard the gateway-image equality check, the cluster-log scan, and
the idempotency timestamp comparison so they only run when phase
3 actually produced a patched_tag — preventing false PASSes on
empty == empty comparisons. Idempotency now reports SKIP in that
degraded case rather than a misleading PASS or FAIL.
- docs/get-started/prerequisites.md, docs/reference/troubleshooting.md:
Reflow the new content to one sentence per line per the project
doc style guide.
Refs #2481.
Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
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🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@src/lib/onboard.ts`:
- Around line 3668-3672: The patched-image build path can hang because
ensurePatchedClusterImage currently runs docker pull/build synchronously without
timeout; update ensurePatchedClusterImage to enforce a hard timeout for external
commands (docker pull and docker build) — either reuse a child-process API that
supports timeouts (e.g., execFile/exec with the timeout option or a spawn
wrapper that kills the child after N ms) or run the spawn child and attach a
timer to kill it and reject on timeout; ensure the timeout triggers a clean kill
and throws an error that applyOverlayfsAutoFix can catch so onboarding won't
hang indefinitely.
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 421-430: Save the current errexit state before entering the
negative phase and restore it afterward instead of unconditionally running set
-e; specifically, before running the block that sets
NEMOCLAW_DISABLE_OVERLAY_FIX and runs timeout ... install.sh (the code that
assigns negative_exit), capture the current errexit setting (e.g., store whether
"set -e" is active in a variable), then change the errexit behavior only as
needed for the negative test, and after assigning negative_exit restore the
original state so subsequent calls to pass() and fail() (which use ((PASS++)) /
((FAIL++))) and the final summary logic run with the original errexit behavior.
Ensure you reference and preserve the negative_exit handling and do not alter
pass()/fail() implementations.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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- docs/get-started/prerequisites.md
- .agents/skills/nemoclaw-user-get-started/references/prerequisites.md
- docs/reference/troubleshooting.md
- src/lib/cluster-image-patch.ts: add wall-clock timeouts to docker pull (10 min default) and docker build (5 min default) via the spawnSync `timeout` option, threaded through runner.run/runCapture. Without this, a hung daemon or stalled registry on the patched-image build path would hang the entire onboard before any of OpenShell's gateway-start timeouts could trigger. New env-injectable opts pullTimeoutMs and buildTimeoutMs allow tests + ops to override. - test/e2e/test-overlayfs-autofix.sh: drop the unsafe set +e / set -e toggle around the negative-phase install.sh invocation. The script header is `set -uo pipefail` (errexit OFF), so the timeout's non- zero exit never threatened us in the first place; meanwhile the trailing `set -e` would have enabled errexit for the rest of the script and made `((PASS++))` fatal under any zero-valued counter due to bash post-increment semantics. Refs #2481. Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
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♻️ Duplicate comments (1)
test/e2e/test-overlayfs-autofix.sh (1)
338-356:⚠️ Potential issue | 🟠 MajorDon't treat a missing gateway container as a clean log.
If the positive phase never creates
$GATEWAY_CONTAINER, Line 352 reads daemon error text fromdocker logs;grep -qmisses it, and the script reports a PASS. Move the log check under the same presence guard and fail when the container is absent. This is the same guard gap that was flagged earlier, just on the remaining assertion.💡 Proposed fix
-# Cluster log must NOT carry the original error string. -if docker logs "$GATEWAY_CONTAINER" 2>&1 | grep -q "overlayfs.*snapshotter cannot be enabled"; then - fail "Cluster log still contains the nested-overlay error after auto-fix" -else - pass "Cluster log clean of the nested-overlay error" -fi +# Cluster log must NOT carry the original error string. +if [ -z "$patched_tag" ]; then + skip "Cluster log check skipped (no patched image from phase 3)" +elif docker ps -a --format '{{.Names}}' | grep -q "^${GATEWAY_CONTAINER}$"; then + if docker logs "$GATEWAY_CONTAINER" 2>&1 | grep -q "overlayfs.*snapshotter cannot be enabled"; then + fail "Cluster log still contains the nested-overlay error after auto-fix" + else + pass "Cluster log clean of the nested-overlay error" + fi +else + fail "Gateway container '$GATEWAY_CONTAINER' was not found after the positive phase" +fi#!/bin/bash set -euo pipefail file="test/e2e/test-overlayfs-autofix.sh" echo "== current positive-phase gateway assertions ==" nl -ba "$file" | sed -n '331,356p' echo echo "== non-matching daemon error demo ==" if printf '%s\n' 'Error response from daemon: No such container: openshell-cluster-nemoclaw' | \ grep -q 'overlayfs.*snapshotter cannot be enabled'; then echo "matched" else echo "no match -> current script would take the PASS branch" fi🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@test/e2e/test-overlayfs-autofix.sh` around lines 338 - 356, The log-cleanliness check currently runs unguarded and will falsely PASS if the gateway container ($GATEWAY_CONTAINER) was never created; move the docker logs / grep block inside the same "if [ -n \"$patched_tag\" ]; then" presence guard (the block that computes gateway_image and compares it to patched_tag) so the script only inspects logs when the container exists, and if the container is absent fail explicitly; reference the variables/commands patched_tag, GATEWAY_CONTAINER, gateway_image, and the docker logs | grep -q "overlayfs.*snapshotter cannot be enabled" pipeline when updating the control flow.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@src/lib/cluster-image-patch.ts`:
- Around line 81-97: buildPatchDockerfile currently always adds "fuse-overlayfs"
to the apt-get install list even when snapshotter === "native"; change
buildPatchDockerfile to conditionally include the fuse-overlayfs install only
when snapshotter is not "native" (i.e., modify the array/strings built in
buildPatchDockerfile to omit the package and trailing backslash when snapshotter
=== "native"), and add/adjust tests to assert that
buildPatchDockerfile("native") does NOT contain "fuse-overlayfs" while
buildPatchDockerfile("containerd" or other) does contain it; reference the
buildPatchDockerfile function and the snapshotter parameter when making this
change.
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 285-290: The positive and idempotency phases call env but inherit
the caller's environment, which lets pre-set variables like
NEMOCLAW_DISABLE_OVERLAY_FIX or NEMOCLAW_OVERLAY_SNAPSHOTTER leak into the test;
update the env invocations used for the "positive" and "idempotency/replay"
phases (the two blocks invoking env ... bash install.sh --non-interactive
>"$INSTALL_LOG" 2>&1 &) to be hermetic by using a clean environment (e.g., env
-i) and explicitly set the required variables (NEMOCLAW_NON_INTERACTIVE=1
NEMOCLAW_ACCEPT_THIRD_PARTY_SOFTWARE=1 NEMOCLAW_SANDBOX_NAME="$SANDBOX_NAME"
NEMOCLAW_RECREATE_SANDBOX=1 and explicitly set NEMOCLAW_DISABLE_OVERLAY_FIX=0
and NEMOCLAW_OVERLAY_SNAPSHOTTER=fuse-overlayfs) so the test always exercises
the fuse-overlayfs path; apply the same change to the second env block mentioned
in the comment.
---
Duplicate comments:
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 338-356: The log-cleanliness check currently runs unguarded and
will falsely PASS if the gateway container ($GATEWAY_CONTAINER) was never
created; move the docker logs / grep block inside the same "if [ -n
\"$patched_tag\" ]; then" presence guard (the block that computes gateway_image
and compares it to patched_tag) so the script only inspects logs when the
container exists, and if the container is absent fail explicitly; reference the
variables/commands patched_tag, GATEWAY_CONTAINER, gateway_image, and the docker
logs | grep -q "overlayfs.*snapshotter cannot be enabled" pipeline when updating
the control flow.
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src/lib/cluster-image-patch.tstest/e2e/test-overlayfs-autofix.sh
The first nightly e2e run on PR #2487 surfaced two real issues with the patched-image build path; both fixed here. 1. apt-get install fuse-overlayfs failed with `dpkg-deb` invoking `tar --warning=no-timestamp`, which the upstream cluster image's BusyBox tar does not understand. Result: any apt-installed package fails to extract during the patched-image build, and `applyOverlayfsAutoFix` falls back to the unmodified upstream image. The negative-test guard ("Cluster log clean of the nested-overlay error") still passed because the runner's kernel happens to support k3s's nested overlay at startup, masking the underlying regression until the sandbox-image build (which does NOT support it) failed later in the negative phase with `CreateDiff: Canceled`. Fix: download the prebuilt static `fuse-overlayfs` binary directly from `containers/fuse-overlayfs` (pinned at v1.14, mapped from TARGETARCH amd64/arm64 to upstream naming x86_64/aarch64). Static binary bundles libfuse, so we don't need libfuse3-3 in the base image. No apt, no dpkg, no tar dependency. 2. Negative-phase assertion in test-overlayfs-autofix.sh required the k3s startup error string to appear verbatim. On the GitHub Actions ubuntu-latest runner the same root cause surfaces later in the flow (sandbox image build) instead of at k3s init, so the canonical string is absent there. The non-zero install.sh exit already proves "without the auto-fix, things don't work" — soften the secondary check from FAIL to SKIP and let the artifact diff reveal which downstream error actually fired. Two new unit tests assert the Dockerfile no longer references apt and that the TARGETARCH mapping is in place. Refs #2481. Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
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src/lib/cluster-image-patch.ts (1)
109-121:⚠️ Potential issue | 🟠 MajorAvoid coupling
nativesnapshotter mode to fuse binary download/install.
buildPatchDockerfile("native")still executes the fuse-overlayfs download path. That makes the native override fail on restricted/offline environments even though native mode does not require fuse-overlayfs.Suggested patch
export function buildPatchDockerfile(snapshotter: SnapshotterChoice): string { + const installFuseOverlayfs = + snapshotter === "fuse-overlayfs" + ? [ + "ARG TARGETARCH=amd64", + `ARG FUSE_OVERLAYFS_VERSION=${FUSE_OVERLAYFS_VERSION}`, + 'RUN set -eux; \\', + ' case "$TARGETARCH" in \\', + " amd64) FUSE_ARCH=x86_64 ;; \\", + " arm64) FUSE_ARCH=aarch64 ;; \\", + ' *) echo "Unsupported TARGETARCH: $TARGETARCH" >&2; exit 1 ;; \\', + " esac; \\", + ' curl -fsSL "https://github.com/containers/fuse-overlayfs/releases/download/${FUSE_OVERLAYFS_VERSION}/fuse-overlayfs-${FUSE_ARCH}" \\', + " -o /usr/local/bin/fuse-overlayfs; \\", + " chmod +x /usr/local/bin/fuse-overlayfs; \\", + " /usr/local/bin/fuse-overlayfs --version", + ] + : []; + return [ "# Generated by NemoClaw — see src/lib/cluster-image-patch.ts.", "ARG UPSTREAM", "FROM ${UPSTREAM}", "USER root", - "ARG TARGETARCH=amd64", - `ARG FUSE_OVERLAYFS_VERSION=${FUSE_OVERLAYFS_VERSION}`, - 'RUN set -eux; \\', - ' case "$TARGETARCH" in \\', - " amd64) FUSE_ARCH=x86_64 ;; \\", - " arm64) FUSE_ARCH=aarch64 ;; \\", - ' *) echo "Unsupported TARGETARCH: $TARGETARCH" >&2; exit 1 ;; \\', - " esac; \\", - ' curl -fsSL "https://github.com/containers/fuse-overlayfs/releases/download/${FUSE_OVERLAYFS_VERSION}/fuse-overlayfs-${FUSE_ARCH}" \\', - " -o /usr/local/bin/fuse-overlayfs; \\", - " chmod +x /usr/local/bin/fuse-overlayfs; \\", - " /usr/local/bin/fuse-overlayfs --version", + ...installFuseOverlayfs, `CMD ["server", "--snapshotter=${snapshotter}"]`, "", ].join("\n"); }🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@src/lib/cluster-image-patch.ts` around lines 109 - 121, The Dockerfile patch currently always inserts the fuse-overlayfs download/install block even when buildPatchDockerfile is invoked with snapshotter="native", causing failures in restricted/offline environments; update buildPatchDockerfile to only emit the ARG FUSE_OVERLAYFS_VERSION plus the curl/chmod/version lines when the snapshotter variable is not "native" (i.e., guard the fuse-overlayfs block on snapshotter !== "native"), keeping the ARG TARGETARCH and CMD lines intact, so that buildPatchDockerfile("native") skips any fuse-overlayfs download/install steps.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@src/lib/cluster-image-patch.ts`:
- Around line 117-118: The hardcoded GitHub URL in the curl command string (the
literal containing
"https://github.com/containers/fuse-overlayfs/releases/download/${FUSE_OVERLAYFS_VERSION}/fuse-overlayfs-${FUSE_ARCH}"
that downloads to /usr/local/bin/fuse-overlayfs) must be removed and replaced
with a policy-compliant source; update the string in
src/lib/cluster-image-patch.ts to point to the approved/internal artifact
repository or package manager endpoint your org uses (preserving
FUSE_OVERLAYFS_VERSION and FUSE_ARCH interpolation), or switch the download to
use an internal proxy function that resolves artifacts, and ensure any related
config/env references are updated to use the internal artifact location.
---
Duplicate comments:
In `@src/lib/cluster-image-patch.ts`:
- Around line 109-121: The Dockerfile patch currently always inserts the
fuse-overlayfs download/install block even when buildPatchDockerfile is invoked
with snapshotter="native", causing failures in restricted/offline environments;
update buildPatchDockerfile to only emit the ARG FUSE_OVERLAYFS_VERSION plus the
curl/chmod/version lines when the snapshotter variable is not "native" (i.e.,
guard the fuse-overlayfs block on snapshotter !== "native"), keeping the ARG
TARGETARCH and CMD lines intact, so that buildPatchDockerfile("native") skips
any fuse-overlayfs download/install steps.
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- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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- test/e2e/test-overlayfs-autofix.sh
Second nightly e2e (run 24963030327) showed the previous attempt at
fetching the static binary in-place still failed: the upstream cluster
image not only lacks GNU tar (so apt is broken) but also lacks curl
(so `RUN curl …` exits 127). The upstream Dockerfile pulls curl in
throwaway builder stages exactly to avoid bloating the final image,
and never copies it forward.
Switch to a multi-stage build:
FROM alpine:3.20 AS bin-fetcher
apk add curl ca-certificates
curl -fsSL <upstream releases URL> -o /tmp/fuse-overlayfs
chmod +x /tmp/fuse-overlayfs
FROM ${UPSTREAM}
COPY --from=bin-fetcher /tmp/fuse-overlayfs /usr/local/bin/
Alpine's ~5 MB base + apk is fast and reliable. The static binary
bundles libfuse, so the cluster image gains nothing from apt and we
add zero RUN steps to the final stage.
Verified locally that the bin-fetcher stage builds cleanly and the
binary reports its version (`fuse-overlayfs --version` succeeds).
Test updates:
- Assert the multi-stage shape (alpine builder + COPY --from).
- Replace the apt-only assertion with a stricter "no RUN apt-get OR
curl in the final stage" check; Reverting to either path will trip
the e2e via install logs.
Refs #2481.
Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
Three findings:
1. Hardcoded link to a third-party GitHub repository (containers/fuse-
overlayfs releases) in TS source violated the repo "No External
Project Links" policy. Replaced with `apt-get install fuse-overlayfs`
from a clean ubuntu:24.04 builder stage — Ubuntu's archive is an
officially-depended-on tool. The bin-fetcher stage stages the binary
plus its sole non-libc shared dep (libfuse3.so.3) under /export, and
the final stage `COPY --from`s both into the cluster image and runs
ldconfig.
Verified locally: full multi-stage build with `ubuntu:24.04` as the
UPSTREAM stand-in produces an image where `fuse-overlayfs --version`
reports `fuse-overlayfs: version 1.13-dev / FUSE library version
3.14.0`. New unit test asserts the Dockerfile contains no github.com
link.
2. `buildPatchDockerfile("native")` was unconditionally installing
fuse-overlayfs — wasted work and unnecessary apt traffic for users
who picked the `native` snapshotter explicitly. The native branch is
now a 4-line Dockerfile (FROM upstream + CMD override) with no
builder stage. Test asserts no fuse-overlayfs / apt-get / ubuntu
strings appear in the native Dockerfile.
3. test-overlayfs-autofix.sh phase 3 (positive) and phase 4 (replay)
used bare `env … bash install.sh`, which inherits any
NEMOCLAW_DISABLE_OVERLAY_FIX or NEMOCLAW_OVERLAY_SNAPSHOTTER the
caller exported. If the caller had either set, the positive-phase
assertions on lines 325-345 (which require the fuse-overlayfs path)
would silently break. Added `env -u …` to both invocations so the
override knobs are explicitly stripped before install.sh runs.
Refs #2481.
Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
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🧹 Nitpick comments (1)
src/lib/cluster-image-patch.test.ts (1)
4-11: Import tests from source instead ofdistartifacts.Line 11 currently targets
../../dist/lib/cluster-image-patch. That can make tests pass against stale compiled output rather than the current TS source under review.Suggested change
-import { +import { buildPatchDockerfile, ClusterImagePatchError, computePatchedTag, ensurePatchedClusterImage, extractUpstreamVersion, -} from "../../dist/lib/cluster-image-patch"; +} from "./cluster-image-patch";🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@src/lib/cluster-image-patch.test.ts` around lines 4 - 11, Tests are importing from the compiled dist bundle which can hide source changes; update the import path to point at the TypeScript source module (replace the "../../dist/lib/cluster-image-patch" import with the source module path, e.g. "../../src/lib/cluster-image-patch") so the tests load the current implementations of buildPatchDockerfile, ClusterImagePatchError, computePatchedTag, ensurePatchedClusterImage, and extractUpstreamVersion instead of stale compiled artifacts.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@src/lib/cluster-image-patch.ts`:
- Around line 198-200: The probe path that calls `docker image inspect` is using
`runCaptureImpl` without a timeout which can hang; update the probe logic in the
`imageExists`/probe code to pass the `timeoutMs` option (or use the same timeout
variable used for pull/build) into the `runCaptureImpl` invocation that executes
`docker image inspect` (the probe branch referenced around the `imageExists(tag,
runCaptureImpl)` usage and the subsequent `docker image inspect` calls), and
ensure both probe occurrences (the one around lines 253–260 and the one around
257–259) include this timeout so a stuck Docker daemon cannot block onboarding.
- Around line 115-119: The Dockerfile template currently uses a floating base
image string "FROM ubuntu:24.04 AS bin-fetcher" and installs an unpinned
"fuse-overlayfs", which breaks the deterministic tag computed later (lines
153–166); change the template so the builder base is pinned to a specific digest
(replace the floating "ubuntu:24.04" token with a pinned digest value or an
interpolated constant) and make the fuse-overlayfs package version configurable
via an environment variable (e.g., FUSE_OVERLAYFS_VERSION) so the apt-get
install line in the template uses that pinned version when provided; update any
code that renders the Dockerfile string in src/lib/cluster-image-patch.ts to
accept and substitute these new inputs while preserving the existing
deterministic tag computation.
---
Nitpick comments:
In `@src/lib/cluster-image-patch.test.ts`:
- Around line 4-11: Tests are importing from the compiled dist bundle which can
hide source changes; update the import path to point at the TypeScript source
module (replace the "../../dist/lib/cluster-image-patch" import with the source
module path, e.g. "../../src/lib/cluster-image-patch") so the tests load the
current implementations of buildPatchDockerfile, ClusterImagePatchError,
computePatchedTag, ensurePatchedClusterImage, and extractUpstreamVersion instead
of stale compiled artifacts.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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The fourth nightly e2e run (24964304092) showed the auto-fix end-to-end
working as designed:
PASS: install.sh + onboard completed (exit 0)
PASS: Onboard log contains the auto-fix detection message
PASS: Patched cluster image present: nemoclaw-cluster:0.0.36-fuse-overlayfs-ab391cf9
PASS: Gateway container is running the patched image
PASS: Cluster log clean of the nested-overlay error
The two FAILs (Phase 4) were both downstream of an unrelated issue:
calling install.sh a second time forced a fresh OpenClaw sandbox-image
build, which is independently flaky on GitHub-Actions runner kernels
because of nested-overlay limitations in the inner buildkit. That's
the same kernel issue that causes the negative phase's install.sh to
fail (which we already accept as expected). It has nothing to do with
the patched-image cache hit we actually want to validate here.
Restructure Phase 4 so it tests the narrower invariant directly:
cd $REPO_ROOT
node -e 'require("./dist/lib/cluster-image-patch")
.ensurePatchedClusterImage({ upstreamImage })' >/dev/null
# assert returned tag == phase 3's patched_tag
# assert docker inspect Created timestamp unchanged
The upstream image tag is derived from patched_tag's encoded version
component. No install.sh round-trip, no sandbox build, no flakiness.
Drops the now-unused ONBOARD_LOG_REPLAY constant + its workflow
artifact upload.
Refs #2481.
Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
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♻️ Duplicate comments (1)
test/e2e/test-overlayfs-autofix.sh (1)
359-364:⚠️ Potential issue | 🟡 MinorDon’t mark the positive-path log check as PASS when no gateway logs exist.
This assertion still runs even when the gateway container is missing, and
docker logsfailure drops into theelsebranch, producing a false PASS. Guard it the same way as the image check: skip whenpatched_tagis empty, and fail if the container is absent.🧪 Tighten the guard
-# Cluster log must NOT carry the original error string. -if docker logs "$GATEWAY_CONTAINER" 2>&1 | grep -q "overlayfs.*snapshotter cannot be enabled"; then - fail "Cluster log still contains the nested-overlay error after auto-fix" -else - pass "Cluster log clean of the nested-overlay error" -fi +# Cluster log must NOT carry the original error string. +if [ -z "$patched_tag" ]; then + skip "Cluster log check skipped (no patched image from phase 3)" +elif docker ps -a --format '{{.Names}}' | grep -qx "$GATEWAY_CONTAINER"; then + if docker logs "$GATEWAY_CONTAINER" 2>&1 | grep -q "overlayfs.*snapshotter cannot be enabled"; then + fail "Cluster log still contains the nested-overlay error after auto-fix" + else + pass "Cluster log clean of the nested-overlay error" + fi +else + fail "Gateway container '$GATEWAY_CONTAINER' is missing; cannot verify cluster logs" +fi🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@test/e2e/test-overlayfs-autofix.sh` around lines 359 - 364, The positive-path gateway log check should be guarded like the image check: first skip when patched_tag is empty, then verify the gateway container exists and fail if it does not; only then run docker logs for GATEWAY_CONTAINER and assert absence of "overlayfs.*snapshotter cannot be enabled". Modify the block that references GATEWAY_CONTAINER to check patched_tag (skip when empty), ensure the container is present (fail if missing), and only then perform the docker logs | grep check to decide fail/pass.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 97-98: The current DAEMON_JSON_BACKUP and
DAEMON_JSON_ABSENT_MARKER use predictable /tmp paths which can be symlinked;
change the script to create a private temp directory with mktemp -d (e.g. assign
to TMP_WORKDIR or E2E_TMPDIR) at startup, then set
DAEMON_JSON_BACKUP="$TMP_WORKDIR/nemoclaw-e2e-daemon.json.bak" and
DAEMON_JSON_ABSENT_MARKER="$TMP_WORKDIR/nemoclaw-e2e-daemon.json.absent", use
those variables wherever the script copies /etc/docker/daemon.json, and add a
trap to securely remove the temp dir on exit to avoid leaving state behind.
---
Duplicate comments:
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 359-364: The positive-path gateway log check should be guarded
like the image check: first skip when patched_tag is empty, then verify the
gateway container exists and fail if it does not; only then run docker logs for
GATEWAY_CONTAINER and assert absence of "overlayfs.*snapshotter cannot be
enabled". Modify the block that references GATEWAY_CONTAINER to check
patched_tag (skip when empty), ensure the container is present (fail if
missing), and only then perform the docker logs | grep check to decide
fail/pass.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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Three actionable findings:
1. cluster-image-patch.ts:119 — `FROM ubuntu:24.04` was a floating tag.
The patched-image tag is a SHA over the Dockerfile *text*, so a
floating base would let the same NemoClaw tag produce different
image bytes across security updates. Pin to the current digest
(sha256:c4a8d550…1c7b) via a new exported UBUNTU_BUILDER_DIGEST
constant. Refresh procedure documented in the constant's docstring.
New unit test asserts the FROM line matches
`ubuntu:24.04@sha256:[0-9a-f]{64} AS bin-fetcher`.
2. cluster-image-patch.ts:200 — `docker image inspect` cache probe ran
without a timeout, so a stuck Docker daemon could hang onboard
before the pull/build timeouts ever applied. Add a third timeout
(DEFAULT_INSPECT_TIMEOUT_MS = 30s, override via
`inspectTimeoutMs`) and thread it into `imageExists`.
3. test-overlayfs-autofix.sh:98 — `/tmp/nemoclaw-e2e-daemon.json.bak`
and the absent-marker path were predictable, so on a shared runner
a pre-created symlink could redirect the subsequent `sudo cp` into
an attacker-chosen path. Allocate a per-run STATE_DIR via
`mktemp -d` (mode 0700) and put both files inside it. The EXIT
trap wipes the dir on shutdown.
Verified locally: the new Dockerfile (with digest-pinned ubuntu
builder) still builds and produces a working `fuse-overlayfs --version`
binary in the final image.
Refs #2481.
Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
Contributor
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🧹 Nitpick comments (2)
test/e2e/test-overlayfs-autofix.sh (1)
107-109: Consider usingmktempfor transient log files as well.
INSTALL_LOG,ONBOARD_LOG_POSITIVE, andONBOARD_LOG_NEGATIVEuse predictable/tmppaths. While these are written by the current user (not viasudo), using unique paths would align with the security rationale applied toSTATE_DIR.Proposed fix
-INSTALL_LOG="${NEMOCLAW_E2E_INSTALL_LOG:-/tmp/nemoclaw-e2e-install.log}" -ONBOARD_LOG_POSITIVE="/tmp/nemoclaw-e2e-onboard-positive.log" -ONBOARD_LOG_NEGATIVE="/tmp/nemoclaw-e2e-onboard-negative.log" +INSTALL_LOG="${NEMOCLAW_E2E_INSTALL_LOG:-${STATE_DIR}/install.log}" +ONBOARD_LOG_POSITIVE="${STATE_DIR}/onboard-positive.log" +ONBOARD_LOG_NEGATIVE="${STATE_DIR}/onboard-negative.log"🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@test/e2e/test-overlayfs-autofix.sh` around lines 107 - 109, The three transient log path variables INSTALL_LOG, ONBOARD_LOG_POSITIVE, and ONBOARD_LOG_NEGATIVE currently use predictable /tmp filenames; change their assignments to generate unique temporary files using mktemp (e.g., call mktemp with a template or mktemp -t) so each variable is set to a securely created unique path before use, and ensure any created temp files are cleaned up later; update references to INSTALL_LOG, ONBOARD_LOG_POSITIVE, and ONBOARD_LOG_NEGATIVE accordingly.src/lib/cluster-image-patch.ts (1)
294-309: Consider using dynamicimport()instead ofrequire().The
require()call works but is a CommonJS pattern. If the codebase is moving toward ES modules, consider switching to dynamicimport()for consistency. However, this is a minor style preference and doesn't affect functionality.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@src/lib/cluster-image-patch.ts` around lines 294 - 309, Replace the CommonJS require usage with a dynamic ES module import so the module loading matches ESM style: change the top-level loader for the runner module (currently "const runner: typeof import(\"./runner\") = require(\"./runner\");") to use dynamic import and await it where this file initializes, then update uses in defaultRunCapture and defaultRun to reference the imported runner; ensure the import resolves to the same shape (runner.runCapture and runner.run) and handle async initialization (e.g., initialize a cached promise or async initializer) so defaultRunCapture and defaultRun still work when called.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Nitpick comments:
In `@src/lib/cluster-image-patch.ts`:
- Around line 294-309: Replace the CommonJS require usage with a dynamic ES
module import so the module loading matches ESM style: change the top-level
loader for the runner module (currently "const runner: typeof
import(\"./runner\") = require(\"./runner\");") to use dynamic import and await
it where this file initializes, then update uses in defaultRunCapture and
defaultRun to reference the imported runner; ensure the import resolves to the
same shape (runner.runCapture and runner.run) and handle async initialization
(e.g., initialize a cached promise or async initializer) so defaultRunCapture
and defaultRun still work when called.
In `@test/e2e/test-overlayfs-autofix.sh`:
- Around line 107-109: The three transient log path variables INSTALL_LOG,
ONBOARD_LOG_POSITIVE, and ONBOARD_LOG_NEGATIVE currently use predictable /tmp
filenames; change their assignments to generate unique temporary files using
mktemp (e.g., call mktemp with a template or mktemp -t) so each variable is set
to a securely created unique path before use, and ensure any created temp files
are cleaned up later; update references to INSTALL_LOG, ONBOARD_LOG_POSITIVE,
and ONBOARD_LOG_NEGATIVE accordingly.
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2 tasks
Eight findings from a fresh-context adversarial review. Resolutions: 1. Memoize applyOverlayfsAutoFix per upstream image. recoverGatewayRuntime's second call to getGatewayStartEnv now returns the cached patched-tag without re-running assessHost or re-attempting the build. (The reviewer's "45-minute retry storm" was overstated — pRetry captures gatewayEnv from outer scope, so the build attempt is once per startGatewayWithOptions, not once per retry — but the recovery-path redundancy is real and worth deduping.) 2. Bind the patched-image cache key to the upstream image's content digest. computePatchedTag now SHAs over (upstreamImage, upstreamDigest, snapshotter, dockerfile). ensurePatchedClusterImage resolves the digest via `docker image inspect <upstream>` (zero network cost when warm; air-gap-safe with pre-staged images). If the local upstream isn't there, a `docker manifest inspect` reachability probe (bounded by inspectTimeoutMs, default 30s) runs BEFORE the long pull, so air-gapped/restricted hosts fail in seconds with a documented error instead of hanging through a 10-minute pull timeout. New unit test: "differs when only the upstream digest changes". New unit test: "fails fast with a documented error when upstream is unreachable on a cache miss". 3. Same `docker manifest inspect` probe doubles as the air-gap UX fix from finding #3 — fast failure mode + actionable error message that points at the troubleshooting doc. 4. Exclude WSL2 hosts from hasNestedOverlayConflict. We don't have a confirmed reproducer there, and the WSL kernel's overlay story is different from bare Linux. Conservative: leave WSL on the upstream image. New unit test: "does not flag a WSL2 Linux host as a conflict". 5. applyOverlayfsAutoFix now logs a console.warn breadcrumb when assessHost throws, instead of silently returning null. Future regressions in host assessment won't make the auto-fix mysteriously stop firing without any user-visible signal. 6. Tighten the e2e negative phase. Was: "any non-zero install.sh exit" passes (SKIP on the canonical-error-string check). Now: requires at least one of three nested-overlay-failure signatures in the cluster log or the install log: - "overlayfs snapshotter cannot be enabled" (k3s init) - "CreateDiff: Canceled" (sandbox image build) - "failed to mount overlay" (catch-all) Otherwise FAIL. Distinguishes a real reproduction from unrelated flakes (NVIDIA_API_KEY rejection, GHCR rate-limit, daemon blip). 7. Docs note that switching the host's storage driver via daemon.json doesn't just kill running containers — it also rebuilds the entire local image graph, so previously-pulled images become unusable until re-pulled. Documented under the manual workaround. 8. parseDockerStorageDriver now falls back to the plain-text `Storage Driver: <name>` form. assessHost still passes `--format '{{json .}}'` (the canonical path), but a future caller injecting raw `docker info` output won't silently miss the conflict. New unit test for the plain-text fixture. Local sanity-build of the patched Dockerfile (with `ubuntu:24.04` as the UPSTREAM stand-in) still produces a working `fuse-overlayfs --version` binary in the final image. Refs #2481. Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
ericksoa
added
bug
cv
approved these changes
Apr 26, 2026
The previous adversarial-review pass added a `!isWsl` gate to
hasNestedOverlayConflict, which is correct in production but
exposed a hidden assumption in two existing test fixtures:
- "flags Docker 26+ containerd-snapshotter overlayfs as a nested
overlay conflict"
- "does not flag the legacy overlay2 driver as a conflict"
Both passed `platform: "linux"` and `env: {}` but left `release`
and `procVersion` to the real host. Most CI runners report
`6.x-generic` and `Linux version 6.x ...` for those, which doesn't
match the `/microsoft/i` test inside detectWsl, so isWsl was false
and the assertions held. The wsl-e2e CI job, however, runs on real
WSL where `os.release()` returns `5.15.x-microsoft-standard-WSL2`
and /proc/version contains "microsoft" — so isWsl flipped true, the
new gate masked hasNestedOverlayConflict, and the conflict-positive
assertion failed for the first time on the previous PR push.
Pin release and procVersion to non-WSL strings in both fixtures so
the assertions hold regardless of which host runs vitest. Add an
explicit `expect(result.isWsl).toBe(false)` in the positive case
so the hermeticity is asserted, not just relied on.
Refs #2481.
Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
Latest nightly (24968749894) failed Phase 5 because this particular GitHub-Actions ubuntu-latest runner instance did NOT reproduce the nested-overlay bug under the upstream image. Without the auto-fix: Built image openshell/sandbox-from:1777243526 Uploading image into OpenShell gateway... [progress] Exported 769 MiB Image openshell/sandbox-from:1777243526 is available in the gateway. Waiting for sandbox to become ready... Sandbox reported Ready before create stream exited; continuing. Waiting for NemoClaw dashboard to become ready... [our 300s timeout fires here] No `CreateDiff: Canceled`, no canonical k3s string, no `failed to mount overlay`. Just install.sh making slow progress through what would normally be a successful run, killed by our timeout while waiting for dashboard health. Compare to the previous passing run (24966948867) where the same upstream image hit `CreateDiff: Canceled` during sandbox build on a different runner instance with a slightly different kernel/Docker patch level. The previous tightening (e0d8df1) treated "exit non-zero, no signature" as a flake — too strict. It conflates two distinct states: (a) runner reproduces the bug at sandbox build time, but the signature wasn't captured (real bug, would FAIL test); and (b) runner does not reproduce the bug at all, install.sh just runs out the timeout (legitimate runner-instance variance, should SKIP). Distinguish using the `timeout` exit code: - exit == 124 (our wrapper fired) → inconclusive - exit != 0 and != 124 (install died) → genuine error Three-way result: - signature present → PASS (confirmed reproduction) - signature absent + exit == 124 → SKIP (runner non-repro; auto-fix correctness still validated by phases 3 and 4) - signature absent + exit != 124 → FAIL (unrelated flake or new failure mode) Refs #2481. Signed-off-by: Aaron Erickson <aerickson@nvidia.com>
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## Summary Refreshes user-facing docs for the last 24 hours of merged NemoClaw history and bumps the docs metadata to 0.0.29, the next version after v0.0.28. The updates are limited to behavior supported by merged PR descriptions and diffs. ## Changes - `docs/reference/commands.md`: documented `nemoclaw <name> policy-add --from-file` and `--from-dir`, including custom preset review guidance, from #2077 / commit `7720b175`. - `docs/deployment/deploy-to-remote-gpu.md`: clarified that non-loopback `CHAT_UI_URL` disables OpenClaw device pairing for remote browser-only deployments, from #2449 / commit `f5ee8a4d`. - `docs/inference/inference-options.md`: documented provider-aware credential retry validation and the NVIDIA-only `nvapi-` prefix check, from #2389 / commit `6f7f0c6d`. - `docs/inference/switch-inference-providers.md`: documented `NEMOCLAW_INFERENCE_INPUTS` for text/image-capable model metadata baked into `openclaw.json`, from #2441 / commit `f4391892`. - `docs/reference/troubleshooting.md`: added the Git certificate verification entry for proxy CA propagation through `GIT_SSL_CAINFO`, `GIT_SSL_CAPATH`, `CURL_CA_BUNDLE`, and `REQUESTS_CA_BUNDLE`, from #2345 / commit `fa0dc1ab`. - `docs/versions1.json` and `docs/project.json`: promoted docs version `0.0.29`; `docs/versions1.json` omits unpublished `0.0.26`, `0.0.27`, and `0.0.28` entries. - `.agents/skills/nemoclaw-user-*`: regenerated derived user skill references from the updated docs. - Reviewed with no extra doc changes: #2575 / `d392ec07`, #2565 / `a3231049`, #1965 / `db1ef3ca`, #1990 / `db665834`, #2495 / `7da86fa3`, #2496 / `3192f4f4`, #2490 / `8c209058`, #2487 / `1f615e2f`, #2483 / `5653d33a`, #2482 / `31c782c0`, #2464 / `23bb5703`, #2472 / `a54f9a34`, and #2437 / `6bc860d7`. - Skipped per docs policy: #2420 / `7b76df6b` touched the experimental sandbox config path listed in `docs/.docs-skip`; #2466 / `cc15689c` touched a skipped term and CI-only sandbox image files. ## Type of Change - [ ] Code change (feature, bug fix, or refactor) - [ ] Code change with doc updates - [ ] Doc only (prose changes, no code sample modifications) - [x] Doc only (includes code sample changes) ## Verification <!-- Check each item you ran and confirmed. Leave unchecked items you skipped. --> - [x] `npx prek run --all-files` passes - [ ] `npm test` passes — failed locally in installer-integration tests and one onboard helper timeout; the doc-scoped hook test projects passed under `prek`. - [ ] Tests added or updated for new or changed behavior - [x] No secrets, API keys, or credentials committed - [x] Docs updated for user-facing behavior changes - [ ] `make docs` builds without warnings (doc changes only) — build succeeded, but local Sphinx emitted the existing version-switcher file read message. - [x] Doc pages follow the [style guide](https://github.com/NVIDIA/NemoClaw/blob/main/docs/CONTRIBUTING.md) (doc changes only) - [ ] New doc pages include SPDX header and frontmatter (new pages only) ## AI Disclosure <!-- If an AI agent authored or co-authored this PR, check the box and name the tool. Remove this section for fully human-authored PRs. --> - [x] AI-assisted — tool: Codex --- <!-- DCO sign-off required by CI. Run: git config user.name && git config user.email --> Signed-off-by: Miyoung Choi <miyoungc@nvidia.com> <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Support for custom YAML presets in policy configuration via --from-file and --from-dir. * New build-time inference input option to declare accepted modalities (text or text,image). * **Improvements** * Credential validation now offers interactive recovery: re-enter key, retry, choose another provider, or exit. * Clarified provider-specific API key prefix handling (nvapi- only applies to NVIDIA keys). * **Documentation** * TLS certificate troubleshooting for inspected networks. * Clarified remote dashboard security/device-pairing behavior; command docs updated; docs version bumped. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Signed-off-by: Miyoung Choi <miyoungc@nvidia.com>
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Summary
Docker 26+ flips the install-time default storage driver from the legacy
overlay2graph driver to the new containerd image-store withoverlayfssnapshotter. The k3s server inside the upstream OpenShell cluster image relies on the host overlayfs supporting nested overlay mounts, which the new snapshotter does not. Users hit a fatal k3s loop with"overlayfs" snapshotter cannot be enabled... try using "fuse-overlayfs" or "native"after a few minutes.NemoClaw now detects the offending Docker configuration during onboard and transparently builds a small drop-in cluster image locally that installs
fuse-overlayfsand selects it as the k3s snapshotter. No published image, no host configuration changes, no sudo, no Docker restart.Related Issue
Refs #2481.
Changes
src/lib/preflight.ts—parseDockerStorageDriverandparseDockerUsesContainerdSnapshotterparsers; newHostAssessmentfieldsdockerStorageDriver,dockerUsesContainerdSnapshotter,hasNestedOverlayConflict. Conflict scoped to Linux + docker runtime +Driver: overlayfs+ DriverStatus mentionsio.containerd.snapshotter.v1. macOS Docker Desktop, legacyoverlay2, and containerd-disabled Linux installs are not flagged.src/lib/cluster-image-patch.ts(new) —ensurePatchedClusterImagebuilds a deterministicnemoclaw-cluster:<version>-<snapshotter>-<sha>image via a multi-stage Dockerfile. Thefuse-overlayfspath uses aubuntu:24.04builder pinned by digest (UBUNTU_BUILDER_DIGESTconstant) thatapt-get installs the package and stages the binary plus itslibfuse3.so.3runtime dep under/export; the final stageCOPY --from=bin-fetchers both into the cluster image and runsldconfig. Thenativepath skips the builder entirely and is justFROM ${UPSTREAM}+CMD ["server", "--snapshotter=native"]. Cache hit viadocker image inspect. Three timeout knobs (pullTimeoutMs10m,buildTimeoutMs5m,inspectTimeoutMs30s) protect onboard from a stuck daemon. ThrowsClusterImagePatchErroron failure with diagnostic context.src/lib/onboard.ts—applyOverlayfsAutoFixconsultsassessHost, callsensurePatchedClusterImagewhen the conflict is detected, and overridesOPENSHELL_CLUSTER_IMAGEforopenshell gateway start. Two override env vars:NEMOCLAW_DISABLE_OVERLAY_FIX=1skips the auto-fix;NEMOCLAW_OVERLAY_SNAPSHOTTER=nativeswitches to the k3snativesnapshotter (more disk, no FUSE dependency).src/lib/preflight.test.ts— 11 new test cases (parser fixtures from the bug report, conflict + non-conflict assessments, macOS false-positive guard).src/lib/cluster-image-patch.test.ts(new) — 19 test cases covering Dockerfile shape (multi-stage builder, nogithub.comlink, no apt/curl in final stage, native variant skips fuse-overlayfs, ubuntu builder digest-pinned), version extraction (registry-port, registry-port-plus-tag, trailing-colon edge cases), tag determinism, cache-hit/cache-miss/build-failure/pull-failure with injectable runners and a mock fs surface.test/e2e/test-overlayfs-autofix.sh(new) — temporary nightly E2E. Forces the GitHub-Actions runner's Docker onto containerd-snapshotter overlayfs viadaemon.json, asserts the auto-fix triggers + the gateway runs on the patched image + the cluster log is clean (positive phase); callsensurePatchedClusterImagedirectly to verify the cache-hit invariant (idempotency phase); runs install.sh withNEMOCLAW_DISABLE_OVERLAY_FIX=1under a boundedtimeoutand asserts non-zero exit (negative phase). Per-runmktemp -dSTATE_DIR for daemon backup state. Removal criteria documented in the script header..github/workflows/nightly-e2e.yaml— adds the temporaryoverlayfs-autofix-e2ejob and entry innotify-on-failure: needs:. Comments call out removal criteria.docs/reference/troubleshooting.md— new section explaining root cause, auto-fix, override knobs, and the manualdaemon.jsonalternative. Reflowed to one sentence per source line.docs/get-started/prerequisites.md— one-line note about transparent storage-driver handling. One sentence per source line..agents/skills/nemoclaw-user-*— auto-regenerated from docs by the existing pre-commit hook.Type of Change
Verification
npx prek run --all-filespasses (withSKIP=test-clito skip pre-existing flaky CLI vitest tests on this dev machine — same 6 tests fail on stockmainHEAD verified by stashing locally; behavior covered by CI on a faster runner)npm run typecheck:clipassesnpm run build:clipassescd nemoclaw && npx tsc --noEmit --incrementalpassesnpx tsc -p jsconfig.jsonpassespreflight.test.ts, 22 cases incluster-image-patch.test.ts— all passoverlayfs-autofix-e2ejob (run 24966948867): 15 PASS / 0 FAIL / 1 SKIP. The SKIP is documented (canonical k3s startup error string is absent on this runner kernel because the same root cause surfaces at sandbox-build time instead — non-zero install.sh exit still proves the auto-fix is load-bearing).Notes for reviewers
Architectural choices
docker build. No GHCR namespace, no signing pipeline, no SBOM, no security-boundary expansion to maintain.tar(soapt-get installdirectly into it fails with adpkg-debextraction error) AND lackscurl(so an in-place static-binary download viaRUN curl …exits 127). Both attempts were tried during iteration and replaced. The current shape uses a cleanubuntu:24.04builder stage (digest-pinned for reproducibility) that runsapt-get install fuse-overlayfs, thenCOPY --froms the binary plus its sole non-libc shared dependency (libfuse3.so.3) into the cluster image.nativesnapshotter path is intentionally minimal.buildPatchDockerfile("native")returns a four-line Dockerfile (FROM ${UPSTREAM}+CMD) — no builder, no apt, no fuse-overlayfs install. SelectingNEMOCLAW_OVERLAY_SNAPSHOTTER=nativeshould cost the user nothing they don't need.pullTimeoutMs(10 min),buildTimeoutMs(5 min), andinspectTimeoutMs(30 s) protect the entire patched-image flow — including thedocker image inspectcache probe — from a stuck Docker daemon.envinvocations explicitlyenv -u NEMOCLAW_DISABLE_OVERLAY_FIX -u NEMOCLAW_OVERLAY_SNAPSHOTTERso a caller's environment can't silently flip the path under test.mktemp -dSTATE_DIR for daemon backup. The previous/tmp/nemoclaw-e2e-daemon.json.{bak,absent}paths were predictable enough that a pre-created symlink could redirect the script'ssudo cpof/etc/docker/daemon.jsoninto an attacker-chosen file on a shared runner. Both files now live inside a 0700 mktemp directory, wiped by the EXIT trap.Adversarial review findings (resolved in
e0d8df15)Spawned a fresh-context adversarial reviewer to look for what CodeRabbit and I missed. Eight concerns surfaced; all addressed.
getGatewayStartEnv()is called from bothstartGatewayWithOptionsandrecoverGatewayRuntime. The retry-storm impact was overstated by the reviewer (the retry closure capturesgatewayEnvfrom outer scope; build runs once per call, not once per retry), but the recovery path does redundantly re-runassessHost.applyOverlayfsAutoFixnow memoizes per upstream image; the recovery path returns the cached patched-tag without re-running assessment or attempting another build.computePatchedTagSHAs the Dockerfile text, decoupled from the upstream image's actual content digest. If GHCR re-pushesghcr.io/nvidia/openshell/cluster:<v>with a security fix,imageExistsreports cache-hit and the user keeps running the patched image with stale upstream layers.ensurePatchedClusterImagecallsdocker image inspectfirst (zero network cost when warm; works air-gapped with pre-staged images) and folds the digest into the SHA. A re-pushed upstream produces a different digest → different patched tag → next onboard rebuilds. New unit test asserts digest changes invalidate the tag.docker pulltimeout + 5 mindocker buildtimeout before any feedback.docker manifest inspectreachability probe (bounded byinspectTimeoutMs, default 30s) runs before committing to the long pull. Failure surfaces as a typed error with a pointer to the manualdaemon.jsonworkaround in troubleshooting docs. New unit test: "fails fast with a documented error when upstream is unreachable on a cache miss".assessment.isWslis computed and ignored. Native Docker inside WSL2 (no Desktop integration) would currently trigger the auto-fix, but the WSL kernel may not actually have the nested-overlay break.hasNestedOverlayConflictnow requires!isWsl. Conservative — leave WSL alone until we have a confirmed reproducer. New unit test: "does not flag a WSL2 Linux host as a conflict".applyOverlayfsAutoFixsilently swallowsassessHostexceptions — no log breadcrumb if a future regression makes the auto-fix mysteriously stop firing.console.warnwith the error message before returning null.overlayfs snapshotter cannot be enabled,CreateDiff: Canceled,failed to mount overlay). FAIL if none present — previously an unrelated install failure would have papered over as a SKIP.parseDockerStorageDriveronly matches the JSON form; future plain-text callers would silently miss the conflict.Storage Driver: <name>form. New unit test for the plain-text fixture.The reviewer also explicitly verified — and could not break — multi-arch correctness, registry-port edge cases, tag determinism,
runCapturetimeout threading, e2e symlink-redirect protection, and theset -ediscipline. Those guards hold.Strategic context
overlayfs-autofix-e2e) and thecluster-image-patch.tsmodule should be removed in the same PR that retires this code path once OpenShell ships a non-k3s default sandbox driver. Removal criteria are documented in both the script header and the workflow job comment.What the nightly e2e revealed and how it shaped the final shape
Iteration history (commits visible in the branch log):
RUN apt-get install fuse-overlayfsdirectly into the cluster imagedpkg-debfailed: BusyBoxtardoesn't accept--warning=no-timestampRUN curl -fsSL …upstream-release… && chmod +x …curltooFROM alpine:3.20+apk add curl+curl …upstream-release…FROM ubuntu:24.04+apt-get install fuse-overlayfs+ COPY binary + libfuse3.so.3Each iteration was caught by the temporary nightly e2e before reviewer time was spent on it. The same e2e also caught a phase-4 design flaw where re-running
install.shwas racing the runner kernel's nested-overlay limits — restructured to callensurePatchedClusterImagedirectly from Node instead.Standing items reviewers should know
test-cli(Vitest CLI project) has 6 timeout-prone tests intest/onboard.test.tsand onelegacy-path-guardtest that fail on stockmainHEAD on this dev machine. I verified by stashing locally inside the same fresh clone and re-running. They were skipped viaSKIP=test-cliand via--no-verifyon the local commits/push. CI runs them on a faster runner without issue.Docker build stream error: failed to export layer: CreateDiff: Canceled). The negative phase therefore reports SKIP on the canonical-error-string check (the install.sh non-zero exit still proves the auto-fix is load-bearing). The original reporter's exactdocker info(Driver: overlayfs+io.containerd.snapshotter.v1on Ubuntu 24.04 with kernel 6.17) is more representative of real users.Dockerfile.toContain('FROM ubuntu:24.04@sha256:'),does not contain "github.com",RUN apt-get / RUN curl forbidden in final stage).Summary by CodeRabbit
New Features
Documentation
Tests
Signed-off-by: Aaron Erickson aerickson@nvidia.com