feature/add-goldpinger - #648
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WalkthroughThis pull request introduces a new Grafana dashboard for Goldpinger along with updates to scripts, deployment, and monitoring configurations. The changes add a JSON dashboard file with panels for node health and error tracking. The dashboard is integrated into the download script and referenced in monitoring lists. New release entries for Goldpinger are added to platform bundles, and a comprehensive Helm chart is introduced with configuration files, templated Kubernetes resources (DaemonSet, Service, RBAC, Ingress, etc.), and monitoring setups. Changes
Sequence Diagram(s)sequenceDiagram
participant U as User/System
participant S as Download Script
participant FS as File Repository
U->>S: Execute hack/download-dashboards.sh
S->>FS: Fetch goldpinger.json dashboard file
FS-->>S: Return goldpinger.json content
S->>U: Dashboard file processed and available
sequenceDiagram
participant U as User
participant H as Helm
participant K as Kubernetes Cluster
U->>H: Install/Upgrade Goldpinger Helm Chart
H->>H: Render templates (DaemonSet, Service, RBAC, etc.)
H->>K: Deploy rendered Kubernetes resources
K-->>H: Resources applied and running
H->>U: Deployment complete
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Actionable comments posted: 2
🧹 Nitpick comments (8)
hack/download-dashboards.sh (1)
84-84: Add Goldpinger dashboard JSON to download list
A new entry for the Goldpinger dashboard JSON has been added. Note that the file path contains a double slash (//goldpinger/); while many systems will handle this gracefully, you may want to normalize the path (e.g.,/goldpinger/) for consistency and to avoid potential issues with path resolution.packages/system/goldpinger/charts/goldpinger/templates/servicemonitor.yaml (1)
1-33: Comprehensive ServiceMonitor Configuration with Conditional Elements
This ServiceMonitor manifest is conditionally rendered based on.Values.serviceMonitor.enabledand includes various configuration sections such as metadata, endpoints, and selectors. The templating constructs—including the range loop over.Values.serviceMonitor.selectorand the conditional inclusion ofmetricRelabelings—are well structured.
- Consideration for Selector Defaults:
Ensure that.Values.serviceMonitor.selectoris defined (or defaults to an empty map) in your values file to avoid potential rendering issues if the selector is undefined.The YAML lint error on line 1 is expected due to Helm’s templating syntax and can be ignored.
🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/ingress.yaml (1)
1-8: Helm Templating & YAML IndentationThe template’s opening block (lines 1–8) uses Helm’s control statements to conditionally augment values. Note that YAML linters may report errors (e.g. “expected the node content, but found '-'”) on these templating directives. Please verify that, when rendered, the YAML indentation (especially around lines 6–7) is correct.
🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
[warning] 6-6: wrong indentation: expected 0 but found 2
(indentation)
[warning] 7-7: wrong indentation: expected 0 but found 2
(indentation)
packages/system/goldpinger/charts/goldpinger/templates/service.yaml (1)
7-9: Merging Additional Service LabelsAdditional labels are conditionally injected from
.Values.service.labels(lines 7–9). Confirm that they merge properly with the labels from the helper template. If merging is required rather than mere concatenation, consider using a merge function.dashboards/goldpinger/goldpinger.json (1)
24-40: Panel Query and Data CalculationThe stat panel for “Goldpinger Nodes” (e.g. around line 105) calculates a value using the expression:
(count(goldpinger_nodes_health_total{status='healthy'}) + count(goldpinger_nodes_health_total{status='unhealthy'})) /2If the division by 2 is intended to average or otherwise adjust the count, please verify that this query returns the desired metric.
packages/system/goldpinger/charts/goldpinger/values.yaml (1)
51-57: Service Definition & Load Balancer RangesThe service configuration (lines 51–57) sets the service type and port. Note that
loadBalancerSourceRangesis defined as an empty object ({}). If this parameter is expected to be a list when provided, consider changing the default value to an empty list ([]) for clarity.packages/system/goldpinger/charts/goldpinger/templates/daemonset.yaml (2)
42-55: Consider adding configurable probe settings and resource limits.The environment variable configuration is well done, but the health probes (liveness and readiness) could benefit from configurable parameters for
initialDelaySeconds,timeoutSeconds, andperiodSecondsto prevent premature restarts during slow startups.livenessProbe: httpGet: path: / port: http + initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds | default 30 }} + timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds | default 5 }} + periodSeconds: {{ .Values.livenessProbe.periodSeconds | default 10 }} readinessProbe: httpGet: path: / port: http + initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds | default 10 }} + timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds | default 5 }} + periodSeconds: {{ .Values.readinessProbe.periodSeconds | default 10 }}
37-38: Consider using image digest for enhanced security.For production deployments, consider supporting image digest pinning in addition to tags for improved security and reproducibility.
- image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}" + image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}{{ if .Values.image.digest }}@{{ .Values.image.digest }}{{ end }}"
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📒 Files selected for processing (23)
dashboards/goldpinger/goldpinger.json(1 hunks)hack/download-dashboards.sh(1 hunks)packages/core/platform/bundles/paas-full.yaml(1 hunks)packages/core/platform/bundles/paas-hosted.yaml(1 hunks)packages/extra/monitoring/dashboards.list(1 hunks)packages/system/goldpinger/Chart.yaml(1 hunks)packages/system/goldpinger/Makefile(1 hunks)packages/system/goldpinger/charts/goldpinger/.helmignore(1 hunks)packages/system/goldpinger/charts/goldpinger/Chart.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/_helpers.tpl(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/clusterrole.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/clusterrolebinding.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/configmap.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/daemonset.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/ingress.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/prometheusrule.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/role.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/rolebinding.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/service.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/serviceaccount.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/templates/servicemonitor.yaml(1 hunks)packages/system/goldpinger/charts/goldpinger/values.yaml(1 hunks)packages/system/goldpinger/values.yaml(1 hunks)
✅ Files skipped from review due to trivial changes (6)
- packages/extra/monitoring/dashboards.list
- packages/system/goldpinger/Chart.yaml
- packages/system/goldpinger/Makefile
- packages/system/goldpinger/charts/goldpinger/.helmignore
- packages/system/goldpinger/charts/goldpinger/Chart.yaml
- packages/system/goldpinger/values.yaml
🧰 Additional context used
🪛 YAMLlint (1.35.1)
packages/system/goldpinger/charts/goldpinger/templates/clusterrole.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/configmap.yaml
[error] 4-4: syntax error: expected , but found ''
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packages/system/goldpinger/charts/goldpinger/templates/prometheusrule.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/clusterrolebinding.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/daemonset.yaml
[warning] 9-9: wrong indentation: expected 0 but found 2
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[error] 6-6: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/role.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/serviceaccount.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/ingress.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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[warning] 6-6: wrong indentation: expected 0 but found 2
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[warning] 7-7: wrong indentation: expected 0 but found 2
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packages/system/goldpinger/charts/goldpinger/templates/service.yaml
[error] 6-6: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/rolebinding.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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packages/system/goldpinger/charts/goldpinger/templates/servicemonitor.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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🔇 Additional comments (31)
packages/core/platform/bundles/paas-full.yaml (1)
367-373: Add Goldpinger release configuration
The new release entry for Goldpinger is defined with the expected attributes (releaseName,chart,namespace,privileged, anddependsOn). Ensure that the dependency onmonitoring-agentsis correctly deployed in your environment.packages/core/platform/bundles/paas-hosted.yaml (1)
248-255: Include Goldpinger release in hosted bundle
The Goldpinger release is added consistently with the full bundle. Please verify that themonitoring-agentsdependency is available in your hosted environment as well.packages/system/goldpinger/charts/goldpinger/templates/serviceaccount.yaml (1)
1-8: ServiceAccount template for Goldpinger looks correct
The template conditionally creates a ServiceAccount based on.Values.serviceAccount.createand uses helper functions for naming and labeling. If YAML linting tools flag errors due to templating syntax, consider configuring them to ignore Helm templating constructs.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/configmap.yaml (1)
1-9: ConfigMap template for Zap configuration looks good
The ConfigMap is structured correctly and uses templating for dynamic configuration. Please ensure that the value in.Values.goldpinger.zapConfigproduces valid JSON when converted withtoJson.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 4-4: syntax error: expected , but found ''
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/clusterrole.yaml (1)
1-13: Helm Template Conditional Block & YAML Lint False Positive
The ClusterRole resource is correctly wrapped in a conditional block using Helm templating ({{- if and .Values.rbac.create .Values.rbac.clusterscoped }}…{{- end }}) to ensure it is only rendered when the appropriate RBAC values are enabled. Note that the YAML lint error on line 1 (“expected the node content, but found '-'”) is a known false positive when processing Helm template markers.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/clusterrolebinding.yaml (1)
1-17: Proper ClusterRoleBinding Definition with Helm Templating
The ClusterRoleBinding manifest is implemented as expected with the correct conditional rendering and the proper reference to the ClusterRole and ServiceAccount. As with the previous file, the YAML lint error on line 1 can be safely ignored due to the Helm templating syntax.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/prometheusrule.yaml (1)
1-20: Conditional PrometheusRule Resource Creation
This file conditionally creates a PrometheusRule resource based on.Values.prometheusRule.enabled. The use of conditional namespace assignment (lines 6–10) and the templating (e.g. usage of$in line 16 to pass the global context) is nicely handled. As before, the YAML lint error on line 1 is a false positive and does not affect the functionality.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/role.yaml (1)
1-21: Conditional Role Configuration for Pod Security Policies
The Role resource is correctly defined to render conditionally when either pod security policies are enabled or RBAC is not cluster-scoped. The rules block is segmented with separate conditionals for listing pods and enabling pod security policies, which provides flexibility. The templating syntax and indentation (e.g. usingnindent) appear correct. As with previous YAML files, ignore the YAML lint false positive at line 1.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/ingress.yaml (3)
9-15: API Version SelectionThe conditional logic for determining the appropriate Kubernetes API version (lines 9–15) is clear and version aware. Ensure that your target clusters are tested (i.e. for Kubernetes versions ≥1.19, between 1.14 and 1.19, and older) to confirm correct behavior.
25-33: TLS Configuration BlockThe TLS configuration block (lines 29–38) correctly iterates over the
.Values.ingress.tlsvalues. Please double-check that the fields (such ashostsandsecretName) render as expected in the final YAML.
39-59: Ingress Rules and Backend DefinitionThe rules section (lines 39–59) efficiently iterates over defined hosts and paths, conditionally including
pathTypeand using separate backend structures based on the Kubernetes version. It is advisable to validate the generated YAML against your cluster’s Ingress specification.packages/system/goldpinger/charts/goldpinger/templates/service.yaml (4)
1-6: Service Metadata and Label TemplatingThe metadata section (lines 1–6) correctly uses the
includefunction withnindent 4to place labels under thelabels:key. YAML linters might misinterpret the templating syntax, so please verify the rendered YAML.🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 6-6: syntax error: expected the node content, but found '-'
(syntax)
10-13: Annotations Block StructureThe annotations block (lines 10–13) is properly structured under the metadata. Just ensure that the output from
toYaml . | indent 4correctly aligns under theannotations:key in the final YAML.
14-22: Service Specification DetailsThe service spec (lines 14–22) defines the service type, port configuration, and selector appropriately. Verify that the value provided for
.Values.goldpinger.portexists in your values file to avoid runtime mismatches.
23-26: Load Balancer Source RangesThe conditional block for
loadBalancerSourceRanges(lines 23–26) includes the optional configuration if provided. It is important to double-check that the YAML indentation remains correct when this block is rendered.packages/system/goldpinger/charts/goldpinger/templates/rolebinding.yaml (2)
1-6: RoleBinding Conditional Creation & TemplatingThe conditional logic in line 1 ensures the RoleBinding is created when either the pod security policy is enabled or RBAC is not cluster-scoped. The metadata, including the name and labels (lines 4–7), is generated via helper templates. Although YAML linters may flag the templating syntax, please verify that the output conforms to the Kubernetes RoleBinding specification.
🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
8-15: RoleRef and Subjects VerificationThe
roleRef(lines 8–11) and thesubjectsblock (lines 12–15) are correctly defined. Ensure that the ServiceAccount generated bygoldpinger.serviceAccountNameexists in the target namespace.dashboards/goldpinger/goldpinger.json (3)
1-17: Dashboard Metadata & UniquenessThe dashboard JSON (lines 1–17) sets up annotations, description, and basic metadata correctly. Please verify that the UID “8eYxJNhZk” does not conflict with any existing dashboards in your Grafana instance.
204-223: Table Panel ConfigurationThe table panel titled “Unhealthy seen by instance” (lines 205–223) is configured with appropriate columns and data source settings. Confirm that the Prometheus query aggregates the data as intended and that the table accurately reflects the unhealthy node counts per instance.
1171-1190: Dashboard Templating VariablesThe templating section (lines 1148–1193) correctly defines multi-select variables for “Instance” and “Call Type” using
label_values. Verify that these queries return the expected lists from your Prometheus data.packages/system/goldpinger/charts/goldpinger/values.yaml (8)
1-15: Image Configuration & DefaultsThe image configuration (lines 1–8) is standard. Leaving the
tagfield empty may be intentional to default to the chart’s appVersion—please confirm this is the desired behavior.
16-19: RBAC and Service Account SetupThe RBAC section (lines 16–19) and the serviceAccount definition are conventional. An empty
serviceAccount.nameis acceptable if you intend to use the auto-generated name from your helper templates.
24-48: Goldpinger Application Settings & LoggingThe
goldpingerblock (lines 24–48) configures the application port and the Zap-based logging (zapConfig) in JSON. Please ensure the JSON format inside the multi-line string is valid and meets your logging requirements.
58-73: Ingress SettingsThe ingress section (lines 58–73) provides a template for external access with a default host and path settings. These values serve as a starting point; remember to adjust them based on your production environment when enabling ingress.
89-112: Pod and Resource ConfigurationPod annotations, labels, update strategies, node selectors, tolerations, and affinity settings (lines 89–112) are provided as placeholders. Adjust these values to meet your environment’s scheduling and resource requirements.
113-127: Security ContextsThe security contexts for both the container (lines 121–129) and the pod (lines 130–138) follow best practices by enforcing non-root execution and read-only filesystems. Ensure these settings are compatible with your cluster policies.
139-150: Service Monitor ConfigurationThe ServiceMonitor block (lines 139–150) is provisioned but disabled by default. Verify that the selector (prometheus: "kube-prometheus") and interval settings meet the requirements of your Prometheus operator setup.
151-167: PrometheusRule for Unhealthy NodesThe PrometheusRule (lines 151–167) defines an alert for unhealthy Goldpinger nodes. Confirm that the alert expression, which embeds a template (e.g.,
{{ template "goldpinger.fullname" . }}), renders correctly and that the alert threshold fits your monitoring strategy.packages/system/goldpinger/charts/goldpinger/templates/daemonset.yaml (1)
1-104: Well-structured Kubernetes DaemonSet template for Goldpinger.This is a comprehensive DaemonSet configuration that follows Helm best practices with proper templating, conditional logic, and resource definitions.
🧰 Tools
🪛 YAMLlint (1.35.1)
[warning] 9-9: wrong indentation: expected 0 but found 2
(indentation)
[error] 6-6: syntax error: expected the node content, but found '-'
(syntax)
packages/system/goldpinger/charts/goldpinger/templates/_helpers.tpl (2)
1-63: Well-structured Helm helper templates following best practices.The helper templates are well-organized and follow Helm best practices, including proper name truncation to 63 characters (Kubernetes limitation), consistent naming patterns, and support for name overrides.
53-62: Robust service account naming logic.The
goldpinger.serviceAccountNamehelper provides a clear decision tree for determining the service account name, with sensible defaults.
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| name: {{ include "goldpinger.fullname" . }}-zap |
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🛠️ Refactor suggestion
Wrap templated name in quotes to comply with YAML standards
The expression for the ConfigMap name may trigger YAML syntax errors. Wrap the templated output in quotes to ensure proper YAML parsing. For example:
- name: {{ include "goldpinger.fullname" . }}-zap
+ name: "{{ include "goldpinger.fullname" . }}-zap"📝 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.
| name: {{ include "goldpinger.fullname" . }}-zap | |
| name: "{{ include "goldpinger.fullname" . }}-zap" |
🧰 Tools
🪛 YAMLlint (1.35.1)
[error] 4-4: syntax error: expected , but found ''
(syntax)
| {{- range $k := .Values.extraEnv }} | ||
| {{- if and (eq $k.name "USE_HOST_IP") (eq $k.value "true") }} | ||
| hostNetwork: true | ||
| {{- end }} | ||
| {{- end }} |
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💡 Verification agent
🧩 Analysis chain
Security consideration: hostNetwork usage.
Enabling hostNetwork: true when USE_HOST_IP=true grants pods access to the host's network namespace. This is a security consideration that should be documented in the chart's README or values file to ensure users understand the implications.
🏁 Script executed:
#!/bin/bash
# Check if hostNetwork usage is documented in the values file or README
echo "Checking if hostNetwork usage is documented in the values file or README..."
if fd -t f "values\.ya?ml|README\.md" packages/system/goldpinger/charts/goldpinger/ --exec grep -l "hostNetwork\|USE_HOST_IP" {}; then
echo "✅ hostNetwork or USE_HOST_IP is mentioned in documentation"
else
echo "⚠️ hostNetwork or USE_HOST_IP might not be documented properly"
fiLength of output: 425
Action Required: Document Security Implications of hostNetwork Usage
The current implementation enables hostNetwork: true when USE_HOST_IP is set to "true", which gives pods access to the host's network namespace. However, our check indicates that the corresponding security considerations are not clearly documented in either the chart's README or the values file.
- File:
packages/system/goldpinger/charts/goldpinger/templates/daemonset.yaml(Lines 83-87) - Issue: Lack of documentation for the security implications when enabling
hostNetworkvia theUSE_HOST_IPenvironment variable. - Recommendation: Update the README and/or values file to explicitly document the potential risks and security considerations of using
hostNetwork: true.
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