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Bellon/getjerry customize branch test #2

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@bellondr bellondr commented Dec 28, 2024

Summary by CodeRabbit

  • New Features

    • Added Nginx status endpoint at /nginx_status with restricted access.
    • Enhanced ModSecurity configuration with more granular security controls.
    • Introduced readiness check script for service availability in Kubernetes.
    • Improved leader election support for Kubernetes high availability.
  • Bug Fixes

    • Improved ingress controller processing logic.
    • Updated database model to support longer service identifiers.
  • Configuration Changes

    • Modified Nginx server configuration for better performance and security.
    • Updated ModSecurity rules and settings.
    • Refined server loading and health check mechanisms.
  • Dependency Management

    • Updated Python dependency installation process in Dockerfile.
    • Adjusted user context in the Dockerfile to enhance execution privileges.

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between c835aac and 5941d5a.

📒 Files selected for processing (3)
  • src/common/confs/http-modsecurity/http-modsecurity.conf (1 hunks)
  • src/common/core/modsecurity/confs/server-http/modsecurity.conf (1 hunks)
  • src/common/settings.json (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
  • src/common/core/modsecurity/confs/server-http/modsecurity.conf
  • src/common/confs/http-modsecurity/http-modsecurity.conf
🧰 Additional context used
📓 Path-based instructions (1)
src/common/settings.json (1)

Pattern **/*: Be concise and precise. Skip minor issues and focus on critical problems and potentially wrong code. Avoid raising multiple comments with similar or repetitive content and instead use one comment in the selected key place to clearly state common concerns.

🔇 Additional comments (1)
src/common/settings.json (1)

301-309: LGTM! Secure default for ModSecurity WAF.

The configuration entry is well-structured and follows the file's conventions. Enabling ModSecurity WAF by default is a secure choice.

Comment on lines 301 to 318
"USE_GLOBAL_MODSECURITY": {
"context": "global",
"default": "yes",
"help": "Enable Global ModSecurity WAF.",
"id": "use-global-modsecurity",
"label": "Use Global ModSecurity",
"regex": "^(yes|no)$",
"type": "check"
},
"USE_GLOBAL_MODSECURITY_CRS": {
"context": "global",
"default": "yes",
"help": "Enable Global OWASP Core Rule Set.",
"id": "use-global-modsecurity-crs",
"label": "Use Global Core Rule Set",
"regex": "^(yes|no)$",
"type": "check"
},
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💡 Codebase verification

Document and validate the relationship between ModSecurity settings

The review comment's concerns are valid. Current findings:

  1. The configuration uses template-based inclusion but lacks:

    • Documentation about CRS requiring ModSecurity
    • Runtime validation to ensure CRS is disabled when ModSecurity is off
  2. This could lead to confusing scenarios where:

    • CRS is enabled but ModSecurity is disabled
    • Settings relationship is unclear to users

The suggested improvements would enhance user experience and prevent misconfiguration.

🔗 Analysis chain

Document and validate the relationship between ModSecurity settings.

While both settings are well-structured, consider:

  1. Adding documentation about their relationship (CRS requires ModSecurity to be enabled)
  2. Adding runtime validation to ensure CRS is automatically disabled when ModSecurity is disabled

Let's verify if this relationship is handled in the ModSecurity configuration:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for validation of ModSecurity settings relationship
rg -l "USE_GLOBAL_MODSECURITY|USE_GLOBAL_MODSECURITY_CRS" src/common/confs/

Length of output: 182


Script:

#!/bin/bash
# Examine ModSecurity configuration files
echo "=== http-modsecurity.conf ==="
cat src/common/confs/http-modsecurity/http-modsecurity.conf
echo -e "\n=== http-http3.conf ==="
cat src/common/confs/http-modsec-crs/http-http3.conf

# Search for any other files that might handle these settings
echo -e "\n=== Other relevant files ==="
rg -l "USE_GLOBAL_MODSECURITY|USE_GLOBAL_MODSECURITY_CRS" --type-not json

Length of output: 910


Script:

#!/bin/bash
# Search for CRS configuration files
echo "=== CRS Configuration Files ==="
fd -t f . src/common/confs/http-modsec-crs/

# Search for files containing CRS configuration logic
echo -e "\n=== CRS Implementation ==="
rg -l "MODSECURITY_CRS|USE_GLOBAL_MODSECURITY_CRS" --type-not json

# Look for template processing or validation logic
echo -e "\n=== Template Processing ==="
rg -l "template|render|validate.*modsecurity" src/

Length of output: 15880


Script:

#!/bin/bash
# Check ModSecurity rules and startup validation
echo "=== ModSecurity Rules ==="
cat src/common/confs/http-modsecurity/modsecurity-rules.conf.modsec

echo -e "\n=== Startup Script ==="
cat src/linux/scripts/start.sh

echo -e "\n=== Core Rule Set Configuration ==="
cat src/common/core/modsecurity/confs/modsec-crs/http3.conf

Length of output: 15634

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Actionable comments posted: 2

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 5e0861e and 75a9d6b.

📒 Files selected for processing (1)
  • src/autoconf/IngressController.py (4 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
src/autoconf/IngressController.py (1)

Pattern **/*: Be concise and precise. Skip minor issues and focus on critical problems and potentially wrong code. Avoid raising multiple comments with similar or repetitive content and instead use one comment in the selected key place to clearly state common concerns.

🔇 Additional comments (2)
src/autoconf/IngressController.py (2)

76-77: LGTM! Good defensive programming.

The early return for services without the required annotation helps filter irrelevant services and prevents unnecessary processing.


190-190: LGTM! Consistent annotation checking.

The change ensures consistent filtering of ingress resources based on the presence of bunkerweb.io annotations, aligning with the changes in _to_services.

Comment on lines 91 to 97
if len(rule.http.paths) > 0:
reverse_proxy_host = "https://api-stage.ing.getjerry.com"
service.update(
{
"USE_REVERSE_PROXY": "yes",
f"REVERSE_PROXY_HOST_{location}": reverse_proxy_host,
f"REVERSE_PROXY_URL_{location}": path.path,
f"REVERSE_PROXY_URL_{location}": "/",
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⚠️ Potential issue

Critical: Remove hardcoded staging URL.

Hardcoding the staging API URL (https://api-stage.ing.getjerry.com) in the code is problematic:

  1. Environment-specific configuration should be externalized
  2. Risk of staging URL being used in production
  3. Lacks flexibility for different environments

Consider these solutions:

  1. Move the URL to environment variables or ConfigMap
  2. Use service discovery or DNS-based resolution
  3. Derive the URL from the ingress annotations or spec

Example implementation using environment variable:

- reverse_proxy_host = "https://api-stage.ing.getjerry.com"
+ reverse_proxy_host = os.getenv('API_PROXY_URL', 'http://localhost')
📝 Committable suggestion

‼️ IMPORTANT
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.

Suggested change
if len(rule.http.paths) > 0:
reverse_proxy_host = "https://api-stage.ing.getjerry.com"
service.update(
{
"USE_REVERSE_PROXY": "yes",
f"REVERSE_PROXY_HOST_{location}": reverse_proxy_host,
f"REVERSE_PROXY_URL_{location}": path.path,
f"REVERSE_PROXY_URL_{location}": "/",
if len(rule.http.paths) > 0:
reverse_proxy_host = os.getenv('API_PROXY_URL', 'http://localhost')
service.update(
{
"USE_REVERSE_PROXY": "yes",
f"REVERSE_PROXY_HOST_{location}": reverse_proxy_host,
f"REVERSE_PROXY_URL_{location}": "/",

Comment on lines 52 to 65
if "external-dns.alpha.kubernetes.io/hostname" not in controller_service.metadata.annotations:
self._logger.warning(
f"external-dns.alpha.kubernetes.io/hostname not in ingress ${controller_service.metadata.name} annotations, Ignoring unsupported ingress.",
)
continue
hostname = controller_service.metadata.annotations.get("external-dns.alpha.kubernetes.io/hostname")
for (
annotation,
value,
) in controller_service.metadata.annotations.items():
if not annotation.startswith("bunkerweb.io/"):
continue
instance["env"][annotation.replace("bunkerweb.io/", "", 1)] = value
config = annotation.replace("bunkerweb.io/", "", 1)
instance["env"][f"${hostname}_${config}"] = value
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⚠️ Potential issue

Fix string interpolation syntax and add fallback for missing hostname.

There are several issues in this code segment:

  1. The warning message uses JavaScript template literal syntax (${...}). Use Python's f-string syntax instead.
  2. The environment variable key formatting uses incorrect string interpolation syntax.
  3. Missing fallback when hostname annotation is absent.

Apply this diff to fix the issues:

- f"external-dns.alpha.kubernetes.io/hostname not in ingress ${controller_service.metadata.name} annotations, Ignoring unsupported ingress.",
+ f"external-dns.alpha.kubernetes.io/hostname not in ingress {controller_service.metadata.name} annotations, Ignoring unsupported ingress.",
...
- instance["env"][f"${hostname}_${config}"] = value
+ instance["env"][f"{hostname}_{config}"] = value
📝 Committable suggestion

‼️ IMPORTANT
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.

Suggested change
if "external-dns.alpha.kubernetes.io/hostname" not in controller_service.metadata.annotations:
self._logger.warning(
f"external-dns.alpha.kubernetes.io/hostname not in ingress ${controller_service.metadata.name} annotations, Ignoring unsupported ingress.",
)
continue
hostname = controller_service.metadata.annotations.get("external-dns.alpha.kubernetes.io/hostname")
for (
annotation,
value,
) in controller_service.metadata.annotations.items():
if not annotation.startswith("bunkerweb.io/"):
continue
instance["env"][annotation.replace("bunkerweb.io/", "", 1)] = value
config = annotation.replace("bunkerweb.io/", "", 1)
instance["env"][f"${hostname}_${config}"] = value
if "external-dns.alpha.kubernetes.io/hostname" not in controller_service.metadata.annotations:
self._logger.warning(
f"external-dns.alpha.kubernetes.io/hostname not in ingress {controller_service.metadata.name} annotations, Ignoring unsupported ingress.",
)
continue
hostname = controller_service.metadata.annotations.get("external-dns.alpha.kubernetes.io/hostname")
for (
annotation,
value,
) in controller_service.metadata.annotations.items():
if not annotation.startswith("bunkerweb.io/"):
continue
config = annotation.replace("bunkerweb.io/", "", 1)
instance["env"][f"{hostname}_{config}"] = value

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Actionable comments posted: 1

♻️ Duplicate comments (1)
src/autoconf/IngressController.py (1)

91-97: ⚠️ Potential issue

Critical: Remove hardcoded staging URL and review proxy path.

The hardcoded staging URL and root path configuration have multiple issues:

  1. Hardcoded staging URL (already reported in previous reviews)
  2. Using root path ("/") as proxy URL might be too permissive

Consider this safer implementation:

-                reverse_proxy_host = "https://api-stage.ing.getjerry.com"
-                service.update(
-                    {
-                        "USE_REVERSE_PROXY": "yes",
-                        f"REVERSE_PROXY_HOST_{location}": reverse_proxy_host,
-                        f"REVERSE_PROXY_URL_{location}": "/",
-                    }
-                )
+                proxy_host = os.getenv('API_PROXY_URL')
+                if proxy_host:
+                    for path in rule.http.paths:
+                        if path.path:  # Use the specified path instead of root
+                            service.update({
+                                "USE_REVERSE_PROXY": "yes",
+                                f"REVERSE_PROXY_HOST_{location}": proxy_host,
+                                f"REVERSE_PROXY_URL_{location}": path.path,
+                            })
+                            location += 1
📜 Review details

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Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 75a9d6b and 0bf6d70.

📒 Files selected for processing (1)
  • src/autoconf/IngressController.py (4 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
src/autoconf/IngressController.py (1)

Pattern **/*: Be concise and precise. Skip minor issues and focus on critical problems and potentially wrong code. Avoid raising multiple comments with similar or repetitive content and instead use one comment in the selected key place to clearly state common concerns.

🔇 Additional comments (2)
src/autoconf/IngressController.py (2)

76-77: LGTM: Validation prevents processing of unrelated ingresses.

The check for bunkerweb.io annotation helps filter out ingresses that shouldn't be processed by this controller.


190-190: LGTM: Consistent ingress filtering.

The additional check for bunkerweb.io annotation aligns with the validation in _to_services and ensures consistent filtering of ingress events.

Comment on lines 52 to 65
if "external-dns.alpha.kubernetes.io/hostname" not in controller_service.metadata.annotations:
self._logger.warning(
f"external-dns.alpha.kubernetes.io/hostname not in ingress {controller_service.metadata.name} annotations, Ignoring unsupported ingress.",
)
continue
hostname = controller_service.metadata.annotations.get("external-dns.alpha.kubernetes.io/hostname")
for (
annotation,
value,
) in controller_service.metadata.annotations.items():
if not annotation.startswith("bunkerweb.io/"):
continue
instance["env"][annotation.replace("bunkerweb.io/", "", 1)] = value
config = annotation.replace("bunkerweb.io/", "", 1)
instance["env"][f"{hostname}_{config}"] = value
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💡 Codebase verification

Remove the hard requirement for external-dns hostname annotation

The requirement to have external-dns.alpha.kubernetes.io/hostname annotation appears to be a breaking change without proper support:

  • No documentation explains this requirement
  • No tests demonstrate its usage
  • No configuration exists to make it optional
  • No migration path for existing services

Consider:

  1. Making this requirement optional through configuration
  2. Adding tests to verify both annotated and non-annotated cases
  3. Providing documentation about this feature
  4. Adding a migration guide if this becomes mandatory
🔗 Analysis chain

Consider providing a default hostname for backward compatibility.

The new validation that skips services without external-dns.alpha.kubernetes.io/hostname annotation is a breaking change. Services that previously worked without this annotation will now be ignored.

Consider:

  1. Adding a fallback hostname
  2. Making this validation configurable
  3. Documenting this requirement

Run this script to assess the impact:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check how many existing ingresses would be affected
echo "Ingresses that would be skipped due to missing external-dns hostname:"
kubectl get ingress -A -o json | jq '[.items[] | select(.metadata.annotations["external-dns.alpha.kubernetes.io/hostname"] == null)] | length'

Length of output: 391


Script:

#!/bin/bash
# Search for external-dns hostname annotation usage
echo "=== Code and test files ==="
rg -l "external-dns.alpha.kubernetes.io/hostname" --type py --type yaml --type json

echo -e "\n=== Documentation files ==="
rg -l "external-dns.alpha.kubernetes.io/hostname" --type md --type txt

echo -e "\n=== Test fixtures and examples ==="
fd -e yaml -e json . tests/ examples/ | xargs cat | grep -B2 -A2 "external-dns.alpha.kubernetes.io/hostname" || true

echo -e "\n=== Previous implementation ==="
git log -p --all -- "src/autoconf/IngressController.py" | grep -B5 -A5 "external-dns.alpha.kubernetes.io/hostname" || true

Length of output: 604

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Actionable comments posted: 0

🧹 Nitpick comments (1)
src/common/db/Database.py (1)

399-406: Consider adjusting the logging implementation for better observability.

While adding logging is good for debugging, consider these improvements:

  1. Use DEBUG level instead of INFO to avoid log noise in production
  2. Add more context to the log messages (e.g., service name, operation type)
  3. Consider using structured logging format for better parsing
-                self.logger.info(f"ori setting: {setting}")
+                self.logger.debug(f"[is_setting] Original setting value: {setting}")
                 multiple = False
                 if self.suffix_rx.search(setting):
                     setting = setting.rsplit("_", 1)[0]
                     multiple = True
 
                 db_setting = session.query(Settings).filter_by(id=setting).first()
-                self.logger.info(f"changed setting: {setting}")
+                self.logger.debug(f"[is_setting] Modified setting value: {setting} (multiple: {multiple})")
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 0bf6d70 and ad1d54c.

📒 Files selected for processing (3)
  • src/autoconf/IngressController.py (4 hunks)
  • src/common/core/modsecurity/confs/server-http/modsecurity.conf (1 hunks)
  • src/common/db/Database.py (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
  • src/common/core/modsecurity/confs/server-http/modsecurity.conf
  • src/autoconf/IngressController.py
🧰 Additional context used
📓 Path-based instructions (1)
src/common/db/Database.py (1)

Pattern **/*: Be concise and precise. Skip minor issues and focus on critical problems and potentially wrong code. Avoid raising multiple comments with similar or repetitive content and instead use one comment in the selected key place to clearly state common concerns.

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Actionable comments posted: 0

♻️ Duplicate comments (1)
src/autoconf/IngressController.py (1)

75-81: ⚠️ Potential issue

Critical: Remove hardcoded staging URL.

Hardcoding the staging API URL (https://api-stage.ing.getjerry.com) is problematic:

  1. Environment-specific configuration should be externalized
  2. Risk of staging URL being used in production
  3. Lacks flexibility for different environments

Consider these solutions:

-            if len(rule.http.paths) > 0:
-                reverse_proxy_host = "https://api-stage.ing.getjerry.com"
-                service.update(
-                    {
-                        "USE_REVERSE_PROXY": "yes",
-                        f"REVERSE_PROXY_HOST_{location}": reverse_proxy_host,
-                        f"REVERSE_PROXY_URL_{location}": "/",
-                    }
-                )
+            if len(rule.http.paths) > 0:
+                reverse_proxy_host = os.getenv('API_PROXY_URL')
+                if not reverse_proxy_host:
+                    self._logger.warning(f"Skipping reverse proxy setup for {rule.host}: API_PROXY_URL not configured")
+                    continue
+                service.update(
+                    {
+                        "USE_REVERSE_PROXY": "yes",
+                        f"REVERSE_PROXY_HOST_{location}": reverse_proxy_host,
+                        f"REVERSE_PROXY_URL_{location}": "/",
+                    }
+                )
🧹 Nitpick comments (1)
src/autoconf/IngressController.py (1)

99-101: Simplify variable name processing.

The current implementation can be made more concise while maintaining the same functionality.

-                    if not variable.startswith(f"{server_name}_"):
-                        service[variable] = value
-                    else:
-                        service[variable.replace(f"{server_name}_", "", 1)] = value
+                    service[variable.replace(f"{server_name}_", "", 1) if variable.startswith(f"{server_name}_") else variable] = value
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ad1d54c and ef99a90.

📒 Files selected for processing (2)
  • src/autoconf/IngressController.py (4 hunks)
  • src/common/db/Database.py (0 hunks)
💤 Files with no reviewable changes (1)
  • src/common/db/Database.py
🧰 Additional context used
📓 Path-based instructions (1)
src/autoconf/IngressController.py (1)

Pattern **/*: Be concise and precise. Skip minor issues and focus on critical problems and potentially wrong code. Avoid raising multiple comments with similar or repetitive content and instead use one comment in the selected key place to clearly state common concerns.

🔇 Additional comments (2)
src/autoconf/IngressController.py (2)

174-174: LGTM: Consistent with earlier validation.

The change aligns with the validation added in the _to_services method.


60-61: ⚠️ Potential issue

Breaking change: New annotation requirement could silently ignore ingresses.

Adding a hard requirement for the "bunkerweb.io" annotation is a breaking change that could silently ignore existing ingresses. Consider:

  1. Making this requirement configurable
  2. Adding migration documentation
  3. Logging a warning when skipping ingresses

Let's verify the impact:

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1eeea19 and d02a3f9.

📒 Files selected for processing (1)
  • src/autoconf/main.py (3 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
src/autoconf/main.py (1)

Pattern **/*: Be concise and precise. Skip minor issues and focus on critical problems and potentially wrong code. Avoid raising multiple comments with similar or repetitive content and instead use one comment in the selected key place to clearly state common concerns.

🪛 Ruff (0.8.2)
src/autoconf/main.py

49-49: Local variable config referenced before assignment

(F823)

🔇 Additional comments (4)
src/autoconf/main.py (4)

18-22: Imports for Kubernetes functionality look fine
These additions are necessary for leader election in Kubernetes. No major concerns here.


30-30: Namespace default setting
Defaulting the namespace to "default" is reasonable. If you anticipate multiple namespaces, consider making this explicit in documentation.


60-60: Startup sequence logic
This function nicely handles waiting for BunkerWeb instances before processing events. Good approach, ensuring readiness prior to event handling.


77-93: Mode detection and controller instantiation
The logic to detect swarm, Kubernetes, or Docker modes is clear. The fallback to Docker mode is straightforward. Ensure that future expansions of modes maintain this clarity.

Comment on lines 48 to 58
def run_on_kubernetes_ha_mode(controller):
config.load_incluster_config()
candidate_id = f'auto-{uuid.uuid4()}'
lock_name = "autoconfig"
lock_namespace = namespace
config = electionconfig.Config(ConfigMapLock(lock_name, lock_namespace, candidate_id), lease_duration=17,
renew_deadline=15, retry_period=5, onstarted_leading=start(controller),
onstopped_leading=None)
# Enter leader election
leaderelection.LeaderElection(config).run()

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⚠️ Potential issue

Name shadowing and immediate function call in leader election config

  1. A local variable named config is overriding the earlier from kubernetes import config. This can lead to confusion or errors.
  2. Passing start(controller) directly to onstarted_leading will call it immediately instead of deferring it until leadership is acquired. Often, leader election requires a callback reference instead of a function result.

Below is a proposed fix.

-def run_on_kubernetes_ha_mode(controller):
-    config.load_incluster_config()
-    candidate_id = f'auto-{uuid.uuid4()}'
-    lock_name = "autoconfig"
-    lock_namespace = namespace
-    config = electionconfig.Config(ConfigMapLock(lock_name, lock_namespace, candidate_id), lease_duration=17,
-                                   renew_deadline=15, retry_period=5, onstarted_leading=start(controller),
-                                   onstopped_leading=None)
-    leaderelection.LeaderElection(config).run()
+def run_on_kubernetes_ha_mode(controller):
+    config.load_incluster_config()
+    candidate_id = f'auto-{uuid.uuid4()}'
+    lock_name = "autoconfig"
+    lock_namespace = namespace
+    election_cfg = electionconfig.Config(
+        ConfigMapLock(lock_name, lock_namespace, candidate_id),
+        lease_duration=17,
+        renew_deadline=15,
+        retry_period=5,
+        onstarted_leading=lambda: start(controller),
+        onstopped_leading=None
+    )
+    leaderelection.LeaderElection(election_cfg).run()
📝 Committable suggestion

‼️ IMPORTANT
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.

Suggested change
def run_on_kubernetes_ha_mode(controller):
config.load_incluster_config()
candidate_id = f'auto-{uuid.uuid4()}'
lock_name = "autoconfig"
lock_namespace = namespace
config = electionconfig.Config(ConfigMapLock(lock_name, lock_namespace, candidate_id), lease_duration=17,
renew_deadline=15, retry_period=5, onstarted_leading=start(controller),
onstopped_leading=None)
# Enter leader election
leaderelection.LeaderElection(config).run()
def run_on_kubernetes_ha_mode(controller):
config.load_incluster_config()
candidate_id = f'auto-{uuid.uuid4()}'
lock_name = "autoconfig"
lock_namespace = namespace
election_cfg = electionconfig.Config(
ConfigMapLock(lock_name, lock_namespace, candidate_id),
lease_duration=17,
renew_deadline=15,
retry_period=5,
onstarted_leading=lambda: start(controller),
onstopped_leading=None
)
leaderelection.LeaderElection(election_cfg).run()
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🪛 Ruff (0.8.2)

49-49: Local variable config referenced before assignment

(F823)

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Actionable comments posted: 1

♻️ Duplicate comments (1)
src/autoconf/main.py (1)

51-60: ⚠️ Potential issue

Fix name shadowing and callback execution in leader election

The current implementation has two issues:

  1. The local variable config shadows the imported kubernetes.config
  2. start(controller) is executed immediately instead of being passed as a callback

Apply this fix:

 def run_on_kubernetes_ha_mode(controller):
-    config = electionconfig.Config(ConfigMapLock(lock_name, lock_namespace, candidate_id), lease_duration=17,
-                               renew_deadline=15, retry_period=5, onstarted_leading=start(controller),
-                               onstopped_leading=None)
+    election_cfg = electionconfig.Config(
+        ConfigMapLock(lock_name, lock_namespace, candidate_id),
+        lease_duration=17,
+        renew_deadline=15,
+        retry_period=5,
+        onstarted_leading=lambda: start(controller),
+        onstopped_leading=None
+    )
-    leaderelection.LeaderElection(config).run()
+    leaderelection.LeaderElection(election_cfg).run()
🧹 Nitpick comments (1)
src/autoconf/main.py (1)

Line range hint 62-77: Add error handling for file operations

The health check file operations should include error handling to gracefully handle permission issues or filesystem errors.

+from pathlib import Path
+
 def start(controller):
     logger.info("Waiting for BunkerWeb instances ...")
     instances = controller.wait(wait_retry_interval)
     logger.info("BunkerWeb instances are ready 🚀")
     i = 1
     for instance in instances:
         logger.info(f"Instance #{i} : {instance['name']}")
         i += 1

     controller.wait_applying(True)

     # Process events
-    Path(sep, "var", "tmp", "bunkerweb", "autoconf.healthy").write_text("ok")
+    try:
+        health_file = Path(sep, "var", "tmp", "bunkerweb", "autoconf.healthy")
+        health_file.parent.mkdir(parents=True, exist_ok=True)
+        health_file.write_text("ok")
+    except OSError as e:
+        logger.warning(f"Failed to create health check file: {e}")
     logger.info("Processing events ...")
     controller.process_events()
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src/autoconf/main.py (1)

79-95: LGTM! Clean implementation of controller selection and execution

The code structure effectively handles different modes and ensures proper cleanup through the finally block.

Comment on lines +32 to +33
# Authenticate using config file
config.load_incluster_config()
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🛠️ Refactor suggestion

Move Kubernetes config loading into Kubernetes-specific code path

The Kubernetes config loading is currently done globally, which could cause issues in non-Kubernetes modes. Consider moving it into the Kubernetes-specific code path.

-# Authenticate using config file
-config.load_incluster_config()
+if kubernetes:
+    # Authenticate using config file
+    config.load_incluster_config()

Committable suggestion skipped: line range outside the PR's diff.

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🔇 Additional comments (3)
src/autoconf/main.py (3)

32-33: Move Kubernetes config loading into Kubernetes-specific code path.

The Kubernetes config loading is done globally, which could cause issues in non-Kubernetes modes. This issue was previously identified in past reviews.


Line range hint 77-110: LGTM! Well-structured main execution block.

The implementation has good error handling and proper cleanup in the finally block.

🧰 Tools
🪛 Ruff (0.8.2)

111-111: Do not use bare except

(E722)


51-65: ⚠️ Potential issue

Refactor leader election configuration for better maintainability and correctness.

Several issues need to be addressed:

  1. Hardcoded timing values should be configurable via environment variables
  2. Variable name config shadows the imported kubernetes.config module
  3. kubernetes_start(controller, candidate_id) is called immediately instead of being passed as a callback
 def run_on_kubernetes_ha_mode(controller):
     candidate_id = f'auto-{uuid.uuid4()}'
     lock_name = "autoconfig"
     lock_namespace = namespace
-    config = electionconfig.Config(
+    lease_duration = int(getenv("LEADER_LEASE_DURATION", "17"))
+    renew_deadline = int(getenv("LEADER_RENEW_DEADLINE", "15"))
+    retry_period = int(getenv("LEADER_RETRY_PERIOD", "5"))
+    
+    election_cfg = electionconfig.Config(
         ConfigMapLock(lock_name, lock_namespace, candidate_id),
-        lease_duration=17,
-        renew_deadline=15,
-        retry_period=5,
-        onstarted_leading=kubernetes_start(controller, candidate_id),
+        lease_duration=lease_duration,
+        renew_deadline=renew_deadline,
+        retry_period=retry_period,
+        onstarted_leading=lambda: kubernetes_start(controller, candidate_id),
         onstopped_leading=onstopped_leading(candidate_id))
 
     logger.info(f'I am {candidate_id}')
     # Enter leader election
-    leaderelection.LeaderElection(config).run()
+    leaderelection.LeaderElection(election_cfg).run()

Likely invalid or redundant comment.

Comment on lines 68 to 75
def onstopped_leading(candidate_id):
logger.info(f'{candidate_id} is follower')


def kubernetes_start(controller, candidate_id):
logger.info(f'{candidate_id} is leader')
start(controller=controller)

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🛠️ Refactor suggestion

Improve error handling and callback implementation.

The callback functions need improvements:

  1. onstopped_leading should return a callable
  2. kubernetes_start should handle exceptions to prevent leader election interruption
 def onstopped_leading(candidate_id):
-    logger.info(f'{candidate_id} is follower')
+    def callback():
+        logger.info(f'{candidate_id} is follower')
+    return callback

 def kubernetes_start(controller, candidate_id):
-    logger.info(f'{candidate_id} is leader')
-    start(controller=controller)
+    def callback():
+        try:
+            logger.info(f'{candidate_id} is leader')
+            start(controller=controller)
+        except Exception as e:
+            logger.error(f"Error in leader callback: {e}")
+            logger.debug(format_exc())
+    return callback
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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.

Suggested change
def onstopped_leading(candidate_id):
logger.info(f'{candidate_id} is follower')
def kubernetes_start(controller, candidate_id):
logger.info(f'{candidate_id} is leader')
start(controller=controller)
def onstopped_leading(candidate_id):
def callback():
logger.info(f'{candidate_id} is follower')
return callback
def kubernetes_start(controller, candidate_id):
def callback():
try:
logger.info(f'{candidate_id} is leader')
start(controller=controller)
except Exception as e:
logger.error(f"Error in leader callback: {e}")
logger.debug(format_exc())
return callback

Comment on lines 30 to 31
namespace = getenv("NAMESPACE", "default")

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🛠️ Refactor suggestion

Add validation for the namespace environment variable.

The namespace value is used in leader election configuration but lacks validation. Empty or invalid namespace values could cause runtime errors.

-namespace = getenv("NAMESPACE", "default")
+namespace = getenv("NAMESPACE", "default")
+if not namespace:
+    logger.error("Invalid NAMESPACE value, must not be empty")
+    _exit(1)
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Suggested change
namespace = getenv("NAMESPACE", "default")
namespace = getenv("NAMESPACE", "default")
if not namespace:
logger.error("Invalid NAMESPACE value, must not be empty")
_exit(1)

@@ -72,7 +72,7 @@ VOLUME /data

WORKDIR /usr/share/bunkerweb/autoconf

USER autoconf:autoconf
USER root

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🟠 Code Vulnerability

last user should not be root (...read more)

Do not use root as the last user because your container runs with the root user. Always use a user with lower privileges.

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Actionable comments posted: 3

♻️ Duplicate comments (2)
src/autoconf/main.py (2)

32-33: ⚠️ Potential issue

Move Kubernetes config loading into Kubernetes-specific code path.

Loading Kubernetes config unconditionally can cause issues in non-Kubernetes modes.

Move the config loading into the Kubernetes-specific section:

-# Authenticate using config file
-config.load_incluster_config()
+if kubernetes:
+    # Authenticate using config file
+    config.load_incluster_config()

68-75: ⚠️ Potential issue

Improve error handling in leader election callbacks.

The callbacks lack proper error handling which could lead to leader election interruption.

 def onstopped_leading(candidate_id):
-    logger.info(f'{candidate_id} is follower')
+    def callback():
+        try:
+            logger.info(f'{candidate_id} is follower')
+        except Exception as e:
+            logger.error(f"Error in follower callback: {e}")
+            logger.debug(format_exc())
+    return callback

 def kubernetes_start(controller, candidate_id):
-    logger.info(f'{candidate_id} is leader')
-    start(controller=controller)
+    def callback():
+        try:
+            logger.info(f'{candidate_id} is leader')
+            start(controller=controller)
+        except Exception as e:
+            logger.error(f"Error in leader callback: {e}")
+            logger.debug(format_exc())
+    return callback
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@@ -72,7 +72,7 @@ VOLUME /data

WORKDIR /usr/share/bunkerweb/autoconf

USER autoconf:autoconf
USER root
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⚠️ Potential issue

Critical: Running container as root poses security risks.

Running the container as root significantly increases security risks and violates container security best practices. This change:

  1. Increases the attack surface
  2. Violates the principle of least privilege
  3. Could lead to host system compromise if container is breached

Consider reverting to non-root user:

-USER root
+USER autoconf:autoconf

If root access is absolutely necessary for specific operations, consider:

  1. Using gosu or similar tools to drop privileges after root operations
  2. Documenting why root access is required
  3. Adding additional security controls
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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.

Suggested change
USER root
USER autoconf:autoconf

Comment on lines 77 to 79
def start(controller):
import time
time.sleep(60000)
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⚠️ Potential issue

Remove or justify the excessive sleep duration.

The code includes an unexplained sleep of ~16.7 hours (60000 seconds) which could cause significant service startup delays.

If a delay is necessary:

  1. Make it configurable
  2. Document why it's needed
  3. Use a reasonable default
 def start(controller):
-    import time
-    time.sleep(60000)
+    startup_delay = int(getenv('STARTUP_DELAY_SECONDS', '0'))
+    if startup_delay > 0:
+        logger.info(f"Waiting {startup_delay} seconds before startup...")
+        time.sleep(startup_delay)
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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.

Suggested change
def start(controller):
import time
time.sleep(60000)
def start(controller):
from os import getenv
import time
from logging import getLogger
logger = getLogger(__name__)
startup_delay = int(getenv('STARTUP_DELAY_SECONDS', '0'))
if startup_delay > 0:
logger.info(f"Waiting {startup_delay} seconds before startup...")
time.sleep(startup_delay)

Comment on lines 51 to 65
def run_on_kubernetes_ha_mode(controller):
candidate_id = f'auto-{uuid.uuid4()}'
lock_name = "autoconfig"
lock_namespace = namespace
config = electionconfig.Config(
ConfigMapLock(lock_name, lock_namespace, candidate_id),
lease_duration=17,
renew_deadline=15,
retry_period=5,
onstarted_leading=kubernetes_start(controller, candidate_id),
onstopped_leading=onstopped_leading(candidate_id))

logger.info(f'I am {candidate_id}')
# Enter leader election
leaderelection.LeaderElection(config).run()
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🛠️ Refactor suggestion

Improve leader election configuration.

The current implementation has several issues:

  1. Hard-coded timing values should be configurable via environment variables
  2. Lock name should be unique per deployment to prevent conflicts
  3. Callbacks should be wrapped in try-except blocks
 def run_on_kubernetes_ha_mode(controller):
     candidate_id = f'auto-{uuid.uuid4()}'
-    lock_name = "autoconfig"
+    lock_name = f"autoconfig-{getenv('DEPLOYMENT_NAME', 'default')}"
     lock_namespace = namespace
+    lease_duration = int(getenv('LEASE_DURATION', '17'))
+    renew_deadline = int(getenv('RENEW_DEADLINE', '15'))
+    retry_period = int(getenv('RETRY_PERIOD', '5'))
     config = electionconfig.Config(
         ConfigMapLock(lock_name, lock_namespace, candidate_id),
-        lease_duration=17,
-        renew_deadline=15,
-        retry_period=5,
+        lease_duration=lease_duration,
+        renew_deadline=renew_deadline,
+        retry_period=retry_period,
         onstarted_leading=kubernetes_start(controller, candidate_id),
         onstopped_leading=onstopped_leading(candidate_id))
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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.

Suggested change
def run_on_kubernetes_ha_mode(controller):
candidate_id = f'auto-{uuid.uuid4()}'
lock_name = "autoconfig"
lock_namespace = namespace
config = electionconfig.Config(
ConfigMapLock(lock_name, lock_namespace, candidate_id),
lease_duration=17,
renew_deadline=15,
retry_period=5,
onstarted_leading=kubernetes_start(controller, candidate_id),
onstopped_leading=onstopped_leading(candidate_id))
logger.info(f'I am {candidate_id}')
# Enter leader election
leaderelection.LeaderElection(config).run()
def run_on_kubernetes_ha_mode(controller):
candidate_id = f'auto-{uuid.uuid4()}'
lock_name = f"autoconfig-{getenv('DEPLOYMENT_NAME', 'default')}"
lock_namespace = namespace
lease_duration = int(getenv('LEASE_DURATION', '17'))
renew_deadline = int(getenv('RENEW_DEADLINE', '15'))
retry_period = int(getenv('RETRY_PERIOD', '5'))
config = electionconfig.Config(
ConfigMapLock(lock_name, lock_namespace, candidate_id),
lease_duration=lease_duration,
renew_deadline=renew_deadline,
retry_period=retry_period,
onstarted_leading=kubernetes_start(controller, candidate_id),
onstopped_leading=onstopped_leading(candidate_id))
logger.info(f'I am {candidate_id}')
# Enter leader election
leaderelection.LeaderElection(config).run()

Comment on lines +111 to +113
except:
logger.error(f"Exception while running autoconf :\n{format_exc()}")
sys_exit(1)

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🟠 Code Quality Violation

no bare except (...read more)

Avoid bare except. Try to always use specialized exception names in except blocks.

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Actionable comments posted: 1

♻️ Duplicate comments (2)
src/autoconf/main.py (2)

32-33: ⚠️ Potential issue

Move Kubernetes config loading into Kubernetes-specific code path

The Kubernetes config loading should be moved into the Kubernetes-specific code path to prevent potential issues in non-Kubernetes modes.

-# Authenticate using config file
-config.load_incluster_config()
+if kubernetes:
+    # Authenticate using config file
+    config.load_incluster_config()

30-31: ⚠️ Potential issue

Add validation for the namespace environment variable

The namespace value lacks validation, which could cause runtime errors in leader election.

-namespace = getenv("NAMESPACE", "default")
+namespace = getenv("NAMESPACE", "default")
+if not namespace:
+    logger.error("Invalid NAMESPACE value, must not be empty")
+    _exit(1)
🧹 Nitpick comments (2)
src/autoconf/main.py (2)

52-52: Use consistent environment variable handling

The POD_NAME fallback uses a different format than other environment variables in the codebase.

-    candidate_id = getenv("POD_NAME", f'auto-{uuid.uuid4()}')
+    pod_name = getenv("POD_NAME")
+    candidate_id = pod_name if pod_name else f'auto-{uuid.uuid4()}'

115-115: Add error handling for health file operations

File operations could fail due to permission issues or filesystem problems.

-        Path(sep, "var", "tmp", "bunkerweb", "autoconf.healthy").unlink(missing_ok=True)
+        try:
+            Path(sep, "var", "tmp", "bunkerweb", "autoconf.healthy").unlink(missing_ok=True)
+        except Exception as e:
+            logger.warning(f"Failed to remove health check file: {e}")
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src/autoconf/main.py

111-111: Do not use bare except

(E722)

Comment on lines +111 to +113
except:
logger.error(f"Exception while running autoconf :\n{format_exc()}")
sys_exit(1)
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⚠️ Potential issue

Improve exception handling

The bare except clause makes it difficult to debug specific issues and could mask important errors.

-    except:
+    except Exception as e:
         logger.error(f"Exception while running autoconf :\n{format_exc()}")
+        logger.error(f"Error type: {type(e).__name__}")
         sys_exit(1)
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Suggested change
except:
logger.error(f"Exception while running autoconf :\n{format_exc()}")
sys_exit(1)
except Exception as e:
logger.error(f"Exception while running autoconf :\n{format_exc()}")
logger.error(f"Error type: {type(e).__name__}")
sys_exit(1)
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111-111: Do not use bare except

(E722)

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Actionable comments posted: 0

♻️ Duplicate comments (1)
src/autoconf/main.py (1)

109-111: ⚠️ Potential issue

Replace bare except with specific exception handling.

Using bare except makes it difficult to debug specific issues and could mask important errors.

-    except:
+    except Exception as e:
         logger.error(f"Exception while running autoconf :\n{format_exc()}")
+        logger.error(f"Error type: {type(e).__name__}")
         sys_exit(1)
🧰 Tools
🪛 Ruff (0.8.2)

109-109: Do not use bare except

(E722)

🧹 Nitpick comments (2)
src/autoconf/main.py (2)

31-31: Improve pod name generation.

The pod name fallback using UUID might not be descriptive enough for debugging. Consider adding a prefix that indicates it's an auto-generated name.

-pod_name =  getenv("POD_NAME", f'auto-{uuid.uuid4()}')
+pod_name = getenv("POD_NAME", f'bunkerweb-auto-{uuid.uuid4()}')

112-113: Improve health file cleanup.

The health file cleanup in the finally block could fail silently. Consider adding error handling and logging.

     finally:
-        Path(sep, "var", "tmp", "bunkerweb", "autoconf.healthy").unlink(missing_ok=True)
+        try:
+            health_file = Path(sep, "var", "tmp", "bunkerweb", "autoconf.healthy")
+            if health_file.exists():
+                health_file.unlink()
+                logger.debug("Health check file removed successfully")
+        except Exception as e:
+            logger.warning(f"Failed to remove health check file: {e}")
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src/autoconf/main.py

109-109: Do not use bare except

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🔇 Additional comments (3)
src/autoconf/main.py (3)

71-74: ⚠️ Potential issue

Add error handling in kubernetes_start.

The function should handle exceptions to prevent leader election interruption.

 def kubernetes_start():
-    logger.info(f'{pod_name} is leader')
-    controller = IngressController()
-    start(controller=controller)
+    try:
+        logger.info(f'{pod_name} is leader')
+        controller = IngressController()
+        start(controller=controller)
+    except Exception as e:
+        logger.error(f"Error in leader callback: {e}")
+        logger.debug(format_exc())
+        raise  # Re-raise to trigger leader election failover

Likely invalid or redundant comment.


52-52: 🛠️ Refactor suggestion

Make lock name unique per deployment.

The static lock name could cause conflicts in multi-tenant clusters or multiple deployments.

-    lock_name = "autoconfig-election"
+    deployment_name = getenv("DEPLOYMENT_NAME", "bunkerweb")
+    lock_name = f"autoconfig-election-{deployment_name}"

Likely invalid or redundant comment.


54-61: ⚠️ Potential issue

Fix variable shadowing with imported module.

The local variable config shadows the imported Kubernetes config module.

-    config = electionconfig.Config(
+    election_config = electionconfig.Config(
         ConfigMapLock(lock_name, namespace, pod_name),
         lease_duration=17,
         renew_deadline=15,
         retry_period=5,
         onstarted_leading=kubernetes_start,
         onstopped_leading=onstopped_leading
     )

Likely invalid or redundant comment.

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