// filterChecks redacts checks that the token doesn't have access to.
func (a *Agent) filterChecks(token string, checks *map[types.CheckID]*structs.HealthCheck) error {
// Resolve the token and bail if ACLs aren't enabled.
acl, err := a.resolveToken(token)
if err != nil {
return err
}
if acl == nil {
return nil
}
// Filter out checks based on the node or service policy.
for id, check := range *checks {
if len(check.ServiceName) > 0 {
if acl.ServiceRead(check.ServiceName) {
continue
}
} else {
if acl.NodeRead(a.config.NodeName) {
continue
}
}
a.logger.Printf("[DEBUG] agent: dropping check %q from result due to ACLs", id)
delete(*checks, id)
}
return nil
}
// filterMembers redacts members that the token doesn't have access to.
func (a *Agent) filterMembers(token string, members *[]serf.Member) error {
// Resolve the token and bail if ACLs aren't enabled.
acl, err := a.resolveToken(token)
if err != nil {
return err
}
if acl == nil {
return nil
}
// Filter out members based on the node policy.
m := *members
for i := 0; i < len(m); i++ {
node := m[i].Name
if acl.NodeRead(node) {
continue
}
a.logger.Printf("[DEBUG] agent: dropping node %q from result due to ACLs", node)
m = append(m[:i], m[i+1:]...)
i--
}
*members = m
return nil
}