[ONPREM-2564] - Provide script to upgrade to Mongo 7.0#67
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Provide README with instructions to upgrade to Mongo 7.0
imlogang
commented
Oct 31, 2025
| local image_tag="$1" | ||
| local major_version="$2" | ||
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| if [ "$major_version" -ge 5 ]; then |
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Replacing the liveness/readiness Probes is needed as a patch during the upgrade due to anything above Mongo 5.0 replacesmongo with mongosh.
imlogang
commented
Oct 31, 2025
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| if [ "$major_version" -ge 7 ]; then | ||
| echo "Note: MongoDB 7.0+ upgrade is one-way and cannot be downgraded without support assistance" | ||
| result=$(kubectl -n "$NAMESPACE" exec "$MONGO_POD" -- $shell_cmd -u "$MONGODB_USERNAME" -p "$MONGODB_PASSWORD" --eval "db.adminCommand({ setFeatureCompatibilityVersion: '$1', confirm: true })") |
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the confirm: true command here is due to Mongo 7.0 not being able to be downgraded after the fact, and this is to confirm you understand that.
imlogang
commented
Oct 31, 2025
| echo " image:" | ||
| echo " tag: 7.0.15-debian-12-r2" | ||
| echo " pullSecrets: []" | ||
| echo " livenessProbe:" |
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Similar to the comment above, mongo is replaced with mongosh, which means the current hardcoded probes will not work.
Luckily, the chart does allow for custom probes, which is what this prints to add to your values.yaml.
soulchips
approved these changes
Nov 18, 2025
atulsingh0
approved these changes
Nov 19, 2025
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⚙️ Issue
https://circleci.atlassian.net/browse/ONPREM-2564
✅ Fix
This script provides the ability to upgrade from Mongo 4.4 to 7.0 and provides an output to put in your server's
vaules.yamlto redeploy.❓ Tests
This was tested on both a 4.7.12 instance and a 4.9.0 instance.