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/
validation_role_run.go
252 lines (212 loc) · 9.37 KB
/
validation_role_run.go
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package resolver
import (
"fmt"
"regexp"
"code.cloudfoundry.org/fissile/model"
"code.cloudfoundry.org/fissile/validation"
)
// validateRoleRun tests whether required fields in the RoleRun are
// set. Note, some of the fields have type-dependent checks. Some
// issues are fixed silently.
// This works on the data generated by CalculateRoleRun
func validateRoleRun(instanceGroup *model.InstanceGroup, roleManifest *model.RoleManifest) validation.ErrorList {
allErrs := validation.ErrorList{}
allErrs = append(allErrs, normalizeFlightStage(*instanceGroup)...)
allErrs = append(allErrs, validateHealthCheck(*instanceGroup)...)
allErrs = append(allErrs, validateRoleMemory(*instanceGroup)...)
allErrs = append(allErrs, validateRoleCPU(*instanceGroup)...)
if instanceGroup.Run.ServiceAccount != "" {
accountName := instanceGroup.Run.ServiceAccount
if _, ok := roleManifest.Configuration.Authorization.Accounts[accountName]; !ok {
allErrs = append(allErrs, validation.NotFound(
fmt.Sprintf("instance_groups[%s].run.service-account", instanceGroup.Name), accountName))
}
} else {
// Make the default ("default" (sic!)) explicit.
instanceGroup.Run.ServiceAccount = "default"
}
for _, volume := range instanceGroup.Run.Volumes {
switch volume.Type {
case model.VolumeTypePersistent:
case model.VolumeTypeShared:
case model.VolumeTypeHost:
case model.VolumeTypeNone:
case model.VolumeTypeEmptyDir:
default:
allErrs = append(allErrs, validation.Invalid(
fmt.Sprintf("instance_groups[%s].run.volumes[%s]", instanceGroup.Name, volume.Tag),
volume.Type,
fmt.Sprintf("Invalid volume type '%s'", volume.Type)))
}
}
return allErrs
}
func validateJobReferences(instanceGroup *model.InstanceGroup) validation.ErrorList {
allErrs := validation.ErrorList{}
for _, job := range instanceGroup.JobReferences {
for idx := range job.ContainerProperties.BoshContainerization.Ports {
allErrs = append(allErrs, validateExposedPorts(instanceGroup.Name, job.Name, &job.ContainerProperties.BoshContainerization.Ports[idx])...)
}
}
return allErrs
}
// normalizeFlightStage reports instance groups with a bad flightstage, and
// fixes all instance groups without a flight stage to use the default
// ('flight').
func normalizeFlightStage(instanceGroup model.InstanceGroup) validation.ErrorList {
allErrs := validation.ErrorList{}
// Normalize flight stage
switch instanceGroup.Run.FlightStage {
case "":
instanceGroup.Run.FlightStage = model.FlightStageFlight
case model.FlightStagePreFlight:
case model.FlightStageFlight:
case model.FlightStagePostFlight:
case model.FlightStageManual:
default:
allErrs = append(allErrs, validation.Invalid(
fmt.Sprintf("instance_groups[%s].run.flight-stage", instanceGroup.Name),
instanceGroup.Run.FlightStage,
"Expected one of flight, manual, post-flight, or pre-flight"))
}
return allErrs
}
// validateHealthCheck reports a instance group with conflicting health checks
// in its probes
func validateHealthCheck(instanceGroup model.InstanceGroup) validation.ErrorList {
allErrs := validation.ErrorList{}
if instanceGroup.Run.HealthCheck == nil {
// No health checks, nothing to validate
return allErrs
}
// Ensure that we don't have conflicting health checks
if instanceGroup.Run.HealthCheck.Readiness != nil {
allErrs = append(allErrs,
validateHealthProbe(instanceGroup, "readiness",
instanceGroup.Run.HealthCheck.Readiness)...)
}
if instanceGroup.Run.HealthCheck.Liveness != nil {
allErrs = append(allErrs,
validateHealthProbe(instanceGroup, "liveness",
instanceGroup.Run.HealthCheck.Liveness)...)
}
return allErrs
}
// validateRoleMemory validates memory requests and limits, and
// converts the old key (`memory`, run.MemRequest), to the new
// form. Afterward only run.Memory is valid.
func validateRoleMemory(instanceGroup model.InstanceGroup) validation.ErrorList {
allErrs := validation.ErrorList{}
if instanceGroup.Run.Memory == nil {
if instanceGroup.Run.MemRequest != nil {
allErrs = append(allErrs, validation.ValidateNonnegativeField(*instanceGroup.Run.MemRequest,
fmt.Sprintf("instance_groups[%s].run.memory", instanceGroup.Name))...)
}
instanceGroup.Run.Memory = &model.RoleRunMemory{Request: instanceGroup.Run.MemRequest}
return allErrs
}
// assert: role.Run.Memory != nil
if instanceGroup.Run.Memory.Request == nil {
if instanceGroup.Run.MemRequest != nil {
allErrs = append(allErrs, validation.ValidateNonnegativeField(*instanceGroup.Run.MemRequest,
fmt.Sprintf("instance_groups[%s].run.memory", instanceGroup.Name))...)
}
instanceGroup.Run.Memory.Request = instanceGroup.Run.MemRequest
} else {
allErrs = append(allErrs, validation.ValidateNonnegativeField(*instanceGroup.Run.Memory.Request,
fmt.Sprintf("instance_groups[%s].run.mem.request", instanceGroup.Name))...)
}
if instanceGroup.Run.Memory.Limit != nil {
allErrs = append(allErrs, validation.ValidateNonnegativeField(*instanceGroup.Run.Memory.Limit,
fmt.Sprintf("instance_groups[%s].run.mem.limit", instanceGroup.Name))...)
}
return allErrs
}
// validateRoleCPU validates cpu requests and limits, and converts the
// old key (`virtual-cpus`, run.VirtualCPUs), to the new
// form. Afterward only run.CPU is valid.
func validateRoleCPU(instanceGroup model.InstanceGroup) validation.ErrorList {
allErrs := validation.ErrorList{}
if instanceGroup.Run.CPU == nil {
if instanceGroup.Run.VirtualCPUs != nil {
allErrs = append(allErrs, validation.ValidateNonnegativeFieldFloat(*instanceGroup.Run.VirtualCPUs,
fmt.Sprintf("instance_groups[%s].run.virtual-cpus", instanceGroup.Name))...)
}
instanceGroup.Run.CPU = &model.RoleRunCPU{Request: instanceGroup.Run.VirtualCPUs}
return allErrs
}
// assert: role.Run.CPU != nil
if instanceGroup.Run.CPU.Request == nil {
if instanceGroup.Run.VirtualCPUs != nil {
allErrs = append(allErrs, validation.ValidateNonnegativeFieldFloat(*instanceGroup.Run.VirtualCPUs,
fmt.Sprintf("instance_groups[%s].run.virtual-cpus", instanceGroup.Name))...)
}
instanceGroup.Run.CPU.Request = instanceGroup.Run.VirtualCPUs
} else {
allErrs = append(allErrs, validation.ValidateNonnegativeFieldFloat(*instanceGroup.Run.CPU.Request,
fmt.Sprintf("instance_groups[%s].run.cpu.request", instanceGroup.Name))...)
}
if instanceGroup.Run.CPU.Limit != nil {
allErrs = append(allErrs, validation.ValidateNonnegativeFieldFloat(*instanceGroup.Run.CPU.Limit,
fmt.Sprintf("instance_groups[%s].run.cpu.limit", instanceGroup.Name))...)
}
return allErrs
}
// validateExposedPorts validates exposed port ranges. It also translates the legacy
// format of port ranges ("2000-2010") into the FirstPort and Count values.
func validateExposedPorts(name, jobName string, exposedPorts *model.JobExposedPort) validation.ErrorList {
allErrs := validation.ErrorList{}
fieldName := fmt.Sprintf("instance_groups[%s].jobs[%s].properties.bosh_containerization.ports[%s]", name, jobName, exposedPorts.Name)
// Validate Name
if exposedPorts.Name == "" {
allErrs = append(allErrs, validation.Required(fieldName+".name", ""))
} else if regexp.MustCompile("^[a-z0-9]+(-[a-z0-9]+)*$").FindString(exposedPorts.Name) == "" {
allErrs = append(allErrs, validation.Invalid(fieldName+".name", exposedPorts.Name,
"port names must be lowercase words separated by hyphens"))
}
if len(exposedPorts.Name) > 15 {
allErrs = append(allErrs, validation.Invalid(fieldName+".name", exposedPorts.Name,
"port name must be no more than 15 characters"))
} else if len(exposedPorts.Name) > 9 && exposedPorts.CountIsConfigurable {
// need to be able to append "-12345" and still be 15 chars or less
allErrs = append(allErrs, validation.Invalid(fieldName+".name", exposedPorts.Name,
"user configurable port name must be no more than 9 characters"))
}
// Validate Protocol
allErrs = append(allErrs, validation.ValidateProtocol(exposedPorts.Protocol, fieldName+".protocol")...)
// Validate Internal
firstPort, lastPort, errs := validation.ValidatePortRange(exposedPorts.Internal, fieldName+".internal")
allErrs = append(allErrs, errs...)
exposedPorts.InternalPort = firstPort
if exposedPorts.Count == 0 {
exposedPorts.Count = lastPort + 1 - firstPort
} else if lastPort+1-firstPort != exposedPorts.Count {
allErrs = append(allErrs, validation.Invalid(fieldName+".count", exposedPorts.Count,
fmt.Sprintf("count doesn't match port range %s", exposedPorts.Internal)))
}
// Validate External
if exposedPorts.External == "" {
exposedPorts.ExternalPort = exposedPorts.InternalPort
} else {
firstPort, lastPort, errs := validation.ValidatePortRange(exposedPorts.External, fieldName+".external")
allErrs = append(allErrs, errs...)
exposedPorts.ExternalPort = firstPort
if lastPort+1-firstPort != exposedPorts.Count {
allErrs = append(allErrs, validation.Invalid(fieldName+".external", exposedPorts.External,
"internal and external ranges must have same number of ports"))
}
}
if exposedPorts.Max == 0 {
exposedPorts.Max = exposedPorts.Count
}
// Validate default port count; actual count will be validated at deploy time
if exposedPorts.Count > exposedPorts.Max {
allErrs = append(allErrs, validation.Invalid(fieldName+".count", exposedPorts.Count,
fmt.Sprintf("default number of ports %d is larger than max allowed %d",
exposedPorts.Count, exposedPorts.Max)))
}
// Clear out legacy fields to make sure they aren't still be used elsewhere in the code
exposedPorts.Internal = ""
exposedPorts.External = ""
return allErrs
}