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chore: Separate RBAC declarations by component for clearer access requirements #1606

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104 changes: 58 additions & 46 deletions internal/resources/otelcollector/rbac.go
Original file line number Diff line number Diff line change
Expand Up @@ -43,44 +43,46 @@ func MakeMetricGatewayRBAC(name types.NamespacedName) Rbac {
}

func makeTraceGatewayClusterRole(name types.NamespacedName) *rbacv1.ClusterRole {
k8sAttributeRules := []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"namespaces", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{"apps"},
Resources: []string{"replicasets"},
Verbs: []string{"get", "list", "watch"},
},
}
clusterRoleRules := append([]rbacv1.PolicyRule{}, k8sAttributeRules...)

return &rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: name.Name,
Namespace: name.Namespace,
Labels: labels.MakeDefaultLabel(name.Name),
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"namespaces", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{"apps"},
Resources: []string{"replicasets"},
Verbs: []string{"get", "list", "watch"},
},
},
Rules: clusterRoleRules,
}
}

func makeMetricAgentClusterRole(name types.NamespacedName) *rbacv1.ClusterRole {
clusterRole := &rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: name.Name,
Namespace: name.Namespace,
Labels: labels.MakeDefaultLabel(name.Name),
kubeletStatsRules := []rbacv1.PolicyRule{{
APIGroups: []string{""},
Resources: []string{"nodes", "nodes/stats", "nodes/proxy"},
Verbs: []string{"get", "list", "watch"},
}}

prometheusRules := []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"nodes", "nodes/metrics", "services", "endpoints", "pods"},
Verbs: []string{"get", "list", "watch"},
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"nodes", "nodes/metrics", "nodes/stats", "nodes/proxy", "services", "endpoints", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
NonResourceURLs: []string{"/metrics", "/metrics/cadvisor"},
Verbs: []string{"get"},
},
{
NonResourceURLs: []string{"/metrics", "/metrics/cadvisor"},
Verbs: []string{"get"},
},
}

Expand All @@ -106,29 +108,31 @@ func makeMetricAgentClusterRole(name types.NamespacedName) *rbacv1.ClusterRole {
Verbs: []string{"get", "list", "watch"},
}}

clusterRole.Rules = append(clusterRole.Rules, k8sClusterRules...)

return clusterRole
}
clusterRoleRules := append([]rbacv1.PolicyRule{}, kubeletStatsRules...)
clusterRoleRules = append(clusterRoleRules, prometheusRules...)
clusterRoleRules = append(clusterRoleRules, k8sClusterRules...)

func makeMetricGatewayClusterRole(name types.NamespacedName) *rbacv1.ClusterRole {
clusterRole := rbacv1.ClusterRole{
return &rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: name.Name,
Namespace: name.Namespace,
Labels: labels.MakeDefaultLabel(name.Name),
},
Rules: []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"namespaces", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{"apps"},
Resources: []string{"replicasets"},
Verbs: []string{"get", "list", "watch"},
},
Rules: clusterRoleRules,
}
}

func makeMetricGatewayClusterRole(name types.NamespacedName) *rbacv1.ClusterRole {
k8sAttributeRules := []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"namespaces", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{"apps"},
Resources: []string{"replicasets"},
Verbs: []string{"get", "list", "watch"},
},
}

Expand All @@ -150,9 +154,17 @@ func makeMetricGatewayClusterRole(name types.NamespacedName) *rbacv1.ClusterRole
Verbs: []string{"get", "list", "watch"},
}}

clusterRole.Rules = append(clusterRole.Rules, kymaStatsRules...)
clusterRoleRules := append([]rbacv1.PolicyRule{}, k8sAttributeRules...)
clusterRoleRules = append(clusterRoleRules, kymaStatsRules...)

return &clusterRole
return &rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: name.Name,
Namespace: name.Namespace,
Labels: labels.MakeDefaultLabel(name.Name),
},
Rules: clusterRoleRules,
}
}

func makeClusterRoleBinding(name types.NamespacedName) *rbacv1.ClusterRoleBinding {
Expand Down
7 changes: 6 additions & 1 deletion internal/resources/otelcollector/rbac_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,12 @@ func TestMakeMetricAgentRBAC(t *testing.T) {
expectedRules := []rbacv1.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"nodes", "nodes/metrics", "nodes/stats", "nodes/proxy", "services", "endpoints", "pods"},
Resources: []string{"nodes", "nodes/stats", "nodes/proxy"},
Verbs: []string{"get", "list", "watch"},
},
{
APIGroups: []string{""},
Resources: []string{"nodes", "nodes/metrics", "services", "endpoints", "pods"},
Verbs: []string{"get", "list", "watch"},
},
{
Expand Down
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