Use namespace in DB #295
Use namespace in DB #295
Conversation
WalkthroughThe pull request modifies the database initialization process in the Changes
Sequence Diagram(s)sequenceDiagram
participant Main
participant DB
participant Utils
Main->>Utils: BuildNamespace(options)
Utils-->>Main: namespace
Main->>DB: NewNamespacedDB(ctx, writerConnectionString, namespace, waitForDB, readTimeout)
Warning Rate limit exceeded@neekolas has exceeded the limit for the number of commits or files that can be reviewed per hour. Please wait 6 minutes and 42 seconds before requesting another review. ⌛ How to resolve this issue?After the wait time has elapsed, a review can be triggered using the We recommend that you space out your commits to avoid hitting the rate limit. 🚦 How do rate limits work?CodeRabbit enforces hourly rate limits for each developer per organization. Our paid plans have higher rate limits than the trial, open-source and free plans. In all cases, we re-allow further reviews after a brief timeout. Please see our FAQ for further information. 📜 Recent review detailsConfiguration used: CodeRabbit UI 📒 Files selected for processing (2)
🚧 Files skipped from review as they are similar to previous changes (2)
Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media? 🪧 TipsChatThere are 3 ways to chat with CodeRabbit:
Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments. CodeRabbit Commands (Invoked using PR comments)
Other keywords and placeholders
CodeRabbit Configuration File (
|
|
Warning This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
This stack of pull requests is managed by Graphite. Learn more about stacking. |
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
There was a problem hiding this comment.
Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (3)
pkg/utils/namespace.go (2)
14-14: Risk of namespace collisions due to hash truncationTruncating the hash to 12 characters (6 bytes) significantly increases the probability of collisions. With 6 bytes, you have 2^48 possible values, which might not be sufficient for a large-scale distributed system.
Consider:
- Using a longer prefix (e.g., 16 or 20 characters) to reduce collision probability
- Implementing collision detection in the database layer
- Adding a validation mechanism to ensure namespace uniqueness
8-15: Add unit tests for namespace generationThis is a critical function that affects database isolation. It needs comprehensive testing to ensure consistent behavior.
Would you like me to help create unit tests that cover:
- Normal operation with valid inputs
- Collision probability assessment
- Error cases with invalid inputs
- Consistency of namespace generation
cmd/replication/main.go (1)
60-65: Consider adding integration tests for namespaced DBThe database namespace change could affect data isolation. Consider adding integration tests to verify:
- Data isolation between different namespaces
- Proper cleanup/teardown in tests
- Namespace collision scenarios
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (2)
cmd/replication/main.go(1 hunks)pkg/utils/namespace.go(1 hunks)
🔇 Additional comments (3)
pkg/utils/namespace.go (1)
14-14: Verify HexEncode function implementation
The code uses HexEncode which isn't imported but presumably exists in the same package.
Let's verify the implementation:
✅ Verification successful
HexEncode implementation is correct and properly located
The HexEncode function is correctly implemented in the same package (pkg/utils/hex.go) and uses the standard encoding/hex package's EncodeToString function to convert byte data to a hexadecimal string. Since it's in the same package, no import is needed in namespace.go.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for HexEncode function definition
ast-grep --pattern 'func HexEncode($_) $_'
# Backup: use ripgrep if ast-grep doesn't find it
rg -p "func HexEncode"
Length of output: 362
cmd/replication/main.go (2)
63-63: Verify namespace generation consistency
The namespace is derived from server options, which could affect database isolation between different server instances.
✅ Verification successful
Namespace generation is correctly isolated and consistent
The BuildNamespace function in pkg/utils/namespace.go generates a unique namespace by hashing the signer's private key and nodes contract address, which ensures proper database isolation between different server instances. The implementation is deterministic and depends only on server-specific configuration, making it safe for use.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check the implementation of BuildNamespace
ast-grep --pattern 'func BuildNamespace($$$) {
$$$
}'
# Look for other potential namespace usages
rg -A 5 'BuildNamespace'
Length of output: 656
60-65: Verify namespace initialization and database compatibility
The switch to NewNamespacedDB suggests a multi-tenant or isolation approach. This is a significant architectural change that requires careful consideration.
Let's verify the implementation details:
Consider the following architectural aspects:
- Ensure all database operations respect the namespace
- Verify that existing data migration scripts handle namespaced tables
- Document the namespace strategy for operational visibility
✅ Verification successful
Let me gather more information about the namespace implementation and migration handling.
Let me check one more aspect - the actual SQL migrations and database schema to understand how namespacing is implemented.
Based on the gathered information, I can now provide the final response:
Database namespacing implementation is properly handled
The switch to NewNamespacedDB is well-implemented with the following key aspects:
- Creates a new database using the namespace as the database name
- Namespace is deterministically generated using server options (private key and contract address)
- Database creation is handled safely with proper connection management
- Existing migrations will run in the namespaced database context
- All tables (
node_info,gateway_envelopes, etc.) are automatically isolated by being created in the namespaced database
No architectural issues found as the isolation is handled at the database level rather than schema/table level, providing complete separation of data between different instances.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check the database package for namespace handling
ast-grep --pattern 'func NewNamespacedDB($$$) {
$$$
}'
# Check for any database migration files that might need updates
fd -e sql -e go migration
Length of output: 115
Script:
#!/bin/bash
# Check the implementation of NewNamespacedDB
rg -A 10 "NewNamespacedDB"
# Check BuildNamespace implementation
rg -A 5 "BuildNamespace"
# Check migration code for namespace handling
cat pkg/migrations/migrations.go
# Look for any database operations that might need namespace awareness
ast-grep --pattern 'db.$_($$$)'
Length of output: 2984
Script:
#!/bin/bash
# Check SQL migration files
fd -e sql . pkg/migrations -x cat {}
# Check if namespace is used in table names or schemas
rg -A 5 "CREATE TABLE|CREATE SCHEMA"
# Look for any database configuration or schema setup
rg -A 10 "pgxpool.ParseConfig"
Length of output: 6506
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
3671479
to
c60671d
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
c4ab5f0
to
769a3f9
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
c60671d
to
21e80d5
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
769a3f9
to
3d8ea11
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
21e80d5
to
6e15894
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
3d8ea11
to
f5bb7ba
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
6e15894
to
4e6c14c
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
f5bb7ba
to
258b3a7
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
4e6c14c
to
ac71c6b
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
258b3a7
to
a1f3f7e
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
ac71c6b
to
de7bd67
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
a1f3f7e
to
d0f0f50
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
de7bd67
to
b97c1ee
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
d0f0f50
to
d0c365c
Compare
neekolas
force-pushed
the
11-26-add_support_for_creating_namespaced_databases
branch
from
b97c1ee
to
f1897ed
Compare
neekolas
force-pushed
the
11-26-use_namespace_in_db
branch
from
d0c365c
to
0a2d620
Compare
TL;DR
Added database namespace support based on private key and contract address
What changed?
BuildNamespacefunction that generates a unique namespace using the node's private key and contract addressHow to test?
Summary by CodeRabbit
New Features
Bug Fixes