set user agent on the healtcheck #27
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WalkthroughAdded a custom User-Agent header to the curl request in healthcheck.sh. Existing behavior retained: make HTTP request, evaluate status code for 400, print "Success" and exit 0 on match; otherwise print "Failure" and exit 1. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~8 minutes Poem
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Actionable comments posted: 1
🧹 Nitpick comments (2)
healthcheck.sh (2)
3-3: Add timeouts and explicit scheme to avoid hanging health checks.Without a connect/read timeout the healthcheck can block indefinitely under network issues, delaying container orchestration decisions.
Apply with conservative defaults:
-if curl -s -o /dev/null -w '%{http_code}' -A "healthcheck" localhost/houdini/convert | grep '^400$'; then +if curl --connect-timeout 2 --max-time 5 -s -o /dev/null -w '%{http_code}' \ + -A "healthcheck" http://localhost/houdini/convert | grep '^400$'; then
3-3: Avoid subshell and grep; compare the HTTP code directly.Slightly simpler and faster, and easier to extend (e.g., making expected code configurable).
Example refactor (touches surrounding lines; shown for clarity):
#!/bin/bash set -euo pipefail EXPECTED_HTTP_CODE=${EXPECTED_HTTP_CODE:-400} HTTP_CODE=$(curl --connect-timeout 2 --max-time 5 -s -o /dev/null -w '%{http_code}' \ -A "crayfish-image-healthcheck" http://localhost/houdini/convert) if [ "$HTTP_CODE" = "$EXPECTED_HTTP_CODE" ]; then echo Success exit 0 else echo Failure exit 1 fi
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📒 Files selected for processing (1)
healthcheck.sh(1 hunks)
🔇 Additional comments (1)
healthcheck.sh (1)
3-3: Confirm that 400 is the intended “healthy” status.Assuming the endpoint returns 400 for missing params and that’s your liveness signal—please confirm this contract is stable. If it changes (e.g., to 200/204), the healthcheck will invert.
Optional: make the expected code configurable via an env var as in the snippet above (EXPECTED_HTTP_CODE).
| #!/bin/bash | ||
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| if curl -s -o /dev/null -w '%{http_code}' localhost/houdini/convert | grep '^400$'; then | ||
| if curl -s -o /dev/null -w '%{http_code}' -A "heathcheck" localhost/houdini/convert | grep '^400$'; then |
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Fix typo in User-Agent: "heathcheck" → "healthcheck".
This undermines the PR’s goal (observability/logging filters by UA will miss). Recommend also making the UA slightly more descriptive.
Apply this minimal fix:
-if curl -s -o /dev/null -w '%{http_code}' -A "heathcheck" localhost/houdini/convert | grep '^400$'; then
+if curl -s -o /dev/null -w '%{http_code}' -A "healthcheck" localhost/houdini/convert | grep '^400$'; thenOptionally, prefer a more specific UA (helps log analysis):
- -A "healthcheck"
+ -A "crayfish-image-healthcheck"📝 Committable suggestion
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Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| if curl -s -o /dev/null -w '%{http_code}' -A "heathcheck" localhost/houdini/convert | grep '^400$'; then | |
| if curl -s -o /dev/null -w '%{http_code}' -A "healthcheck" localhost/houdini/convert | grep '^400$'; then |
🤖 Prompt for AI Agents
In healthcheck.sh around line 3, the curl User-Agent contains a typo
("heathcheck") so update the -A value to "healthcheck" (or a slightly more
descriptive identifier like "healthcheck/houdini-convert" or
"healthcheck-service/1.0") so logging and UA-based filters capture these
requests; modify the curl invocation to use the corrected, more descriptive UA
string.
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