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structs.go
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package structs
import (
"bytes"
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"encoding/base32"
"encoding/hex"
"errors"
"fmt"
"io"
"net"
"net/url"
"os"
"path/filepath"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"time"
"golang.org/x/crypto/blake2b"
"github.com/gorhill/cronexpr"
"github.com/hashicorp/consul/api"
multierror "github.com/hashicorp/go-multierror"
"github.com/hashicorp/go-version"
"github.com/hashicorp/nomad/acl"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/helper/args"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/mitchellh/copystructure"
"github.com/ugorji/go/codec"
"math"
hcodec "github.com/hashicorp/go-msgpack/codec"
)
var (
// validPolicyName is used to validate a policy name
validPolicyName = regexp.MustCompile("^[a-zA-Z0-9-]{1,128}$")
// b32 is a lowercase base32 encoding for use in URL friendly service hashes
b32 = base32.NewEncoding(strings.ToLower("abcdefghijklmnopqrstuvwxyz234567"))
)
type MessageType uint8
const (
NodeRegisterRequestType MessageType = iota
NodeDeregisterRequestType
NodeUpdateStatusRequestType
NodeUpdateDrainRequestType
JobRegisterRequestType
JobDeregisterRequestType
EvalUpdateRequestType
EvalDeleteRequestType
AllocUpdateRequestType
AllocClientUpdateRequestType
ReconcileJobSummariesRequestType
VaultAccessorRegisterRequestType
VaultAccessorDeregisterRequestType
ApplyPlanResultsRequestType
DeploymentStatusUpdateRequestType
DeploymentPromoteRequestType
DeploymentAllocHealthRequestType
DeploymentDeleteRequestType
JobStabilityRequestType
ACLPolicyUpsertRequestType
ACLPolicyDeleteRequestType
ACLTokenUpsertRequestType
ACLTokenDeleteRequestType
ACLTokenBootstrapRequestType
AutopilotRequestType
UpsertNodeEventsType
JobBatchDeregisterRequestType
AllocUpdateDesiredTransitionRequestType
NodeUpdateEligibilityRequestType
BatchNodeUpdateDrainRequestType
)
const (
// IgnoreUnknownTypeFlag is set along with a MessageType
// to indicate that the message type can be safely ignored
// if it is not recognized. This is for future proofing, so
// that new commands can be added in a way that won't cause
// old servers to crash when the FSM attempts to process them.
IgnoreUnknownTypeFlag MessageType = 128
// ApiMajorVersion is returned as part of the Status.Version request.
// It should be incremented anytime the APIs are changed in a way
// that would break clients for sane client versioning.
ApiMajorVersion = 1
// ApiMinorVersion is returned as part of the Status.Version request.
// It should be incremented anytime the APIs are changed to allow
// for sane client versioning. Minor changes should be compatible
// within the major version.
ApiMinorVersion = 1
ProtocolVersion = "protocol"
APIMajorVersion = "api.major"
APIMinorVersion = "api.minor"
GetterModeAny = "any"
GetterModeFile = "file"
GetterModeDir = "dir"
// maxPolicyDescriptionLength limits a policy description length
maxPolicyDescriptionLength = 256
// maxTokenNameLength limits a ACL token name length
maxTokenNameLength = 256
// ACLClientToken and ACLManagementToken are the only types of tokens
ACLClientToken = "client"
ACLManagementToken = "management"
// DefaultNamespace is the default namespace.
DefaultNamespace = "default"
DefaultNamespaceDescription = "Default shared namespace"
// JitterFraction is a the limit to the amount of jitter we apply
// to a user specified MaxQueryTime. We divide the specified time by
// the fraction. So 16 == 6.25% limit of jitter. This jitter is also
// applied to RPCHoldTimeout.
JitterFraction = 16
// MaxRetainedNodeEvents is the maximum number of node events that will be
// retained for a single node
MaxRetainedNodeEvents = 10
)
// Context defines the scope in which a search for Nomad object operates, and
// is also used to query the matching index value for this context
type Context string
const (
Allocs Context = "allocs"
Deployments Context = "deployment"
Evals Context = "evals"
Jobs Context = "jobs"
Nodes Context = "nodes"
Namespaces Context = "namespaces"
Quotas Context = "quotas"
All Context = "all"
)
// NamespacedID is a tuple of an ID and a namespace
type NamespacedID struct {
ID string
Namespace string
}
func (n NamespacedID) String() string {
return fmt.Sprintf("<ns: %q, id: %q>", n.Namespace, n.ID)
}
// RPCInfo is used to describe common information about query
type RPCInfo interface {
RequestRegion() string
IsRead() bool
AllowStaleRead() bool
IsForwarded() bool
SetForwarded()
}
// InternalRpcInfo allows adding internal RPC metadata to an RPC. This struct
// should NOT be replicated in the API package as it is internal only.
type InternalRpcInfo struct {
// Forwarded marks whether the RPC has been forwarded.
Forwarded bool
}
// IsForwarded returns whether the RPC is forwarded from another server.
func (i *InternalRpcInfo) IsForwarded() bool {
return i.Forwarded
}
// SetForwarded marks that the RPC is being forwarded from another server.
func (i *InternalRpcInfo) SetForwarded() {
i.Forwarded = true
}
// QueryOptions is used to specify various flags for read queries
type QueryOptions struct {
// The target region for this query
Region string
// Namespace is the target namespace for the query.
Namespace string
// If set, wait until query exceeds given index. Must be provided
// with MaxQueryTime.
MinQueryIndex uint64
// Provided with MinQueryIndex to wait for change.
MaxQueryTime time.Duration
// If set, any follower can service the request. Results
// may be arbitrarily stale.
AllowStale bool
// If set, used as prefix for resource list searches
Prefix string
// AuthToken is secret portion of the ACL token used for the request
AuthToken string
InternalRpcInfo
}
func (q QueryOptions) RequestRegion() string {
return q.Region
}
func (q QueryOptions) RequestNamespace() string {
if q.Namespace == "" {
return DefaultNamespace
}
return q.Namespace
}
// QueryOption only applies to reads, so always true
func (q QueryOptions) IsRead() bool {
return true
}
func (q QueryOptions) AllowStaleRead() bool {
return q.AllowStale
}
type WriteRequest struct {
// The target region for this write
Region string
// Namespace is the target namespace for the write.
Namespace string
// AuthToken is secret portion of the ACL token used for the request
AuthToken string
InternalRpcInfo
}
func (w WriteRequest) RequestRegion() string {
// The target region for this request
return w.Region
}
func (w WriteRequest) RequestNamespace() string {
if w.Namespace == "" {
return DefaultNamespace
}
return w.Namespace
}
// WriteRequest only applies to writes, always false
func (w WriteRequest) IsRead() bool {
return false
}
func (w WriteRequest) AllowStaleRead() bool {
return false
}
// QueryMeta allows a query response to include potentially
// useful metadata about a query
type QueryMeta struct {
// This is the index associated with the read
Index uint64
// If AllowStale is used, this is time elapsed since
// last contact between the follower and leader. This
// can be used to gauge staleness.
LastContact time.Duration
// Used to indicate if there is a known leader node
KnownLeader bool
}
// WriteMeta allows a write response to include potentially
// useful metadata about the write
type WriteMeta struct {
// This is the index associated with the write
Index uint64
}
// NodeRegisterRequest is used for Node.Register endpoint
// to register a node as being a schedulable entity.
type NodeRegisterRequest struct {
Node *Node
WriteRequest
}
// NodeDeregisterRequest is used for Node.Deregister endpoint
// to deregister a node as being a schedulable entity.
type NodeDeregisterRequest struct {
NodeID string
WriteRequest
}
// NodeServerInfo is used to in NodeUpdateResponse to return Nomad server
// information used in RPC server lists.
type NodeServerInfo struct {
// RPCAdvertiseAddr is the IP endpoint that a Nomad Server wishes to
// be contacted at for RPCs.
RPCAdvertiseAddr string
// RpcMajorVersion is the major version number the Nomad Server
// supports
RPCMajorVersion int32
// RpcMinorVersion is the minor version number the Nomad Server
// supports
RPCMinorVersion int32
// Datacenter is the datacenter that a Nomad server belongs to
Datacenter string
}
// NodeUpdateStatusRequest is used for Node.UpdateStatus endpoint
// to update the status of a node.
type NodeUpdateStatusRequest struct {
NodeID string
Status string
WriteRequest
}
// NodeUpdateDrainRequest is used for updating the drain strategy
type NodeUpdateDrainRequest struct {
NodeID string
DrainStrategy *DrainStrategy
// COMPAT Remove in version 0.10
// As part of Nomad 0.8 we have deprecated the drain boolean in favor of a
// drain strategy but we need to handle the upgrade path where the Raft log
// contains drain updates with just the drain boolean being manipulated.
Drain bool
// MarkEligible marks the node as eligible if removing the drain strategy.
MarkEligible bool
WriteRequest
}
// BatchNodeUpdateDrainRequest is used for updating the drain strategy for a
// batch of nodes
type BatchNodeUpdateDrainRequest struct {
// Updates is a mapping of nodes to their updated drain strategy
Updates map[string]*DrainUpdate
WriteRequest
}
// DrainUpdate is used to update the drain of a node
type DrainUpdate struct {
// DrainStrategy is the new strategy for the node
DrainStrategy *DrainStrategy
// MarkEligible marks the node as eligible if removing the drain strategy.
MarkEligible bool
}
// NodeUpdateEligibilityRequest is used for updating the scheduling eligibility
type NodeUpdateEligibilityRequest struct {
NodeID string
Eligibility string
WriteRequest
}
// NodeEvaluateRequest is used to re-evaluate the node
type NodeEvaluateRequest struct {
NodeID string
WriteRequest
}
// NodeSpecificRequest is used when we just need to specify a target node
type NodeSpecificRequest struct {
NodeID string
SecretID string
QueryOptions
}
// SearchResponse is used to return matches and information about whether
// the match list is truncated specific to each type of context.
type SearchResponse struct {
// Map of context types to ids which match a specified prefix
Matches map[Context][]string
// Truncations indicates whether the matches for a particular context have
// been truncated
Truncations map[Context]bool
QueryMeta
}
// SearchRequest is used to parameterize a request, and returns a
// list of matches made up of jobs, allocations, evaluations, and/or nodes,
// along with whether or not the information returned is truncated.
type SearchRequest struct {
// Prefix is what ids are matched to. I.e, if the given prefix were
// "a", potential matches might be "abcd" or "aabb"
Prefix string
// Context is the type that can be matched against. A context can be a job,
// node, evaluation, allocation, or empty (indicated every context should be
// matched)
Context Context
QueryOptions
}
// JobRegisterRequest is used for Job.Register endpoint
// to register a job as being a schedulable entity.
type JobRegisterRequest struct {
Job *Job
// If EnforceIndex is set then the job will only be registered if the passed
// JobModifyIndex matches the current Jobs index. If the index is zero, the
// register only occurs if the job is new.
EnforceIndex bool
JobModifyIndex uint64
// PolicyOverride is set when the user is attempting to override any policies
PolicyOverride bool
WriteRequest
}
// JobDeregisterRequest is used for Job.Deregister endpoint
// to deregister a job as being a schedulable entity.
type JobDeregisterRequest struct {
JobID string
// Purge controls whether the deregister purges the job from the system or
// whether the job is just marked as stopped and will be removed by the
// garbage collector
Purge bool
WriteRequest
}
// JobBatchDeregisterRequest is used to batch deregister jobs and upsert
// evaluations.
type JobBatchDeregisterRequest struct {
// Jobs is the set of jobs to deregister
Jobs map[NamespacedID]*JobDeregisterOptions
// Evals is the set of evaluations to create.
Evals []*Evaluation
WriteRequest
}
// JobDeregisterOptions configures how a job is deregistered.
type JobDeregisterOptions struct {
// Purge controls whether the deregister purges the job from the system or
// whether the job is just marked as stopped and will be removed by the
// garbage collector
Purge bool
}
// JobEvaluateRequest is used when we just need to re-evaluate a target job
type JobEvaluateRequest struct {
JobID string
WriteRequest
}
// JobSpecificRequest is used when we just need to specify a target job
type JobSpecificRequest struct {
JobID string
AllAllocs bool
QueryOptions
}
// JobListRequest is used to parameterize a list request
type JobListRequest struct {
QueryOptions
}
// JobPlanRequest is used for the Job.Plan endpoint to trigger a dry-run
// evaluation of the Job.
type JobPlanRequest struct {
Job *Job
Diff bool // Toggles an annotated diff
// PolicyOverride is set when the user is attempting to override any policies
PolicyOverride bool
WriteRequest
}
// JobSummaryRequest is used when we just need to get a specific job summary
type JobSummaryRequest struct {
JobID string
QueryOptions
}
// JobDispatchRequest is used to dispatch a job based on a parameterized job
type JobDispatchRequest struct {
JobID string
Payload []byte
Meta map[string]string
WriteRequest
}
// JobValidateRequest is used to validate a job
type JobValidateRequest struct {
Job *Job
WriteRequest
}
// JobRevertRequest is used to revert a job to a prior version.
type JobRevertRequest struct {
// JobID is the ID of the job being reverted
JobID string
// JobVersion the version to revert to.
JobVersion uint64
// EnforcePriorVersion if set will enforce that the job is at the given
// version before reverting.
EnforcePriorVersion *uint64
WriteRequest
}
// JobStabilityRequest is used to marked a job as stable.
type JobStabilityRequest struct {
// Job to set the stability on
JobID string
JobVersion uint64
// Set the stability
Stable bool
WriteRequest
}
// JobStabilityResponse is the response when marking a job as stable.
type JobStabilityResponse struct {
WriteMeta
}
// NodeListRequest is used to parameterize a list request
type NodeListRequest struct {
QueryOptions
}
// EvalUpdateRequest is used for upserting evaluations.
type EvalUpdateRequest struct {
Evals []*Evaluation
EvalToken string
WriteRequest
}
// EvalDeleteRequest is used for deleting an evaluation.
type EvalDeleteRequest struct {
Evals []string
Allocs []string
WriteRequest
}
// EvalSpecificRequest is used when we just need to specify a target evaluation
type EvalSpecificRequest struct {
EvalID string
QueryOptions
}
// EvalAckRequest is used to Ack/Nack a specific evaluation
type EvalAckRequest struct {
EvalID string
Token string
WriteRequest
}
// EvalDequeueRequest is used when we want to dequeue an evaluation
type EvalDequeueRequest struct {
Schedulers []string
Timeout time.Duration
SchedulerVersion uint16
WriteRequest
}
// EvalListRequest is used to list the evaluations
type EvalListRequest struct {
QueryOptions
}
// PlanRequest is used to submit an allocation plan to the leader
type PlanRequest struct {
Plan *Plan
WriteRequest
}
// ApplyPlanResultsRequest is used by the planner to apply a Raft transaction
// committing the result of a plan.
type ApplyPlanResultsRequest struct {
// AllocUpdateRequest holds the allocation updates to be made by the
// scheduler.
AllocUpdateRequest
// Deployment is the deployment created or updated as a result of a
// scheduling event.
Deployment *Deployment
// DeploymentUpdates is a set of status updates to apply to the given
// deployments. This allows the scheduler to cancel any unneeded deployment
// because the job is stopped or the update block is removed.
DeploymentUpdates []*DeploymentStatusUpdate
// EvalID is the eval ID of the plan being applied. The modify index of the
// evaluation is updated as part of applying the plan to ensure that subsequent
// scheduling events for the same job will wait for the index that last produced
// state changes. This is necessary for blocked evaluations since they can be
// processed many times, potentially making state updates, without the state of
// the evaluation itself being updated.
EvalID string
}
// AllocUpdateRequest is used to submit changes to allocations, either
// to cause evictions or to assign new allocations. Both can be done
// within a single transaction
type AllocUpdateRequest struct {
// Alloc is the list of new allocations to assign
Alloc []*Allocation
// Evals is the list of new evaluations to create
// Evals are valid only when used in the Raft RPC
Evals []*Evaluation
// Job is the shared parent job of the allocations.
// It is pulled out since it is common to reduce payload size.
Job *Job
WriteRequest
}
// AllocUpdateDesiredTransitionRequest is used to submit changes to allocations
// desired transition state.
type AllocUpdateDesiredTransitionRequest struct {
// Allocs is the mapping of allocation ids to their desired state
// transition
Allocs map[string]*DesiredTransition
// Evals is the set of evaluations to create
Evals []*Evaluation
WriteRequest
}
// AllocListRequest is used to request a list of allocations
type AllocListRequest struct {
QueryOptions
}
// AllocSpecificRequest is used to query a specific allocation
type AllocSpecificRequest struct {
AllocID string
QueryOptions
}
// AllocsGetRequest is used to query a set of allocations
type AllocsGetRequest struct {
AllocIDs []string
QueryOptions
}
// PeriodicForceRequest is used to force a specific periodic job.
type PeriodicForceRequest struct {
JobID string
WriteRequest
}
// ServerMembersResponse has the list of servers in a cluster
type ServerMembersResponse struct {
ServerName string
ServerRegion string
ServerDC string
Members []*ServerMember
}
// ServerMember holds information about a Nomad server agent in a cluster
type ServerMember struct {
Name string
Addr net.IP
Port uint16
Tags map[string]string
Status string
ProtocolMin uint8
ProtocolMax uint8
ProtocolCur uint8
DelegateMin uint8
DelegateMax uint8
DelegateCur uint8
}
// DeriveVaultTokenRequest is used to request wrapped Vault tokens for the
// following tasks in the given allocation
type DeriveVaultTokenRequest struct {
NodeID string
SecretID string
AllocID string
Tasks []string
QueryOptions
}
// VaultAccessorsRequest is used to operate on a set of Vault accessors
type VaultAccessorsRequest struct {
Accessors []*VaultAccessor
}
// VaultAccessor is a reference to a created Vault token on behalf of
// an allocation's task.
type VaultAccessor struct {
AllocID string
Task string
NodeID string
Accessor string
CreationTTL int
// Raft Indexes
CreateIndex uint64
}
// DeriveVaultTokenResponse returns the wrapped tokens for each requested task
type DeriveVaultTokenResponse struct {
// Tasks is a mapping between the task name and the wrapped token
Tasks map[string]string
// Error stores any error that occurred. Errors are stored here so we can
// communicate whether it is retriable
Error *RecoverableError
QueryMeta
}
// GenericRequest is used to request where no
// specific information is needed.
type GenericRequest struct {
QueryOptions
}
// DeploymentListRequest is used to list the deployments
type DeploymentListRequest struct {
QueryOptions
}
// DeploymentDeleteRequest is used for deleting deployments.
type DeploymentDeleteRequest struct {
Deployments []string
WriteRequest
}
// DeploymentStatusUpdateRequest is used to update the status of a deployment as
// well as optionally creating an evaluation atomically.
type DeploymentStatusUpdateRequest struct {
// Eval, if set, is used to create an evaluation at the same time as
// updating the status of a deployment.
Eval *Evaluation
// DeploymentUpdate is a status update to apply to the given
// deployment.
DeploymentUpdate *DeploymentStatusUpdate
// Job is used to optionally upsert a job. This is used when setting the
// allocation health results in a deployment failure and the deployment
// auto-reverts to the latest stable job.
Job *Job
}
// DeploymentAllocHealthRequest is used to set the health of a set of
// allocations as part of a deployment.
type DeploymentAllocHealthRequest struct {
DeploymentID string
// Marks these allocations as healthy, allow further allocations
// to be rolled.
HealthyAllocationIDs []string
// Any unhealthy allocations fail the deployment
UnhealthyAllocationIDs []string
WriteRequest
}
// ApplyDeploymentAllocHealthRequest is used to apply an alloc health request via Raft
type ApplyDeploymentAllocHealthRequest struct {
DeploymentAllocHealthRequest
// An optional field to update the status of a deployment
DeploymentUpdate *DeploymentStatusUpdate
// Job is used to optionally upsert a job. This is used when setting the
// allocation health results in a deployment failure and the deployment
// auto-reverts to the latest stable job.
Job *Job
// An optional evaluation to create after promoting the canaries
Eval *Evaluation
}
// DeploymentPromoteRequest is used to promote task groups in a deployment
type DeploymentPromoteRequest struct {
DeploymentID string
// All is to promote all task groups
All bool
// Groups is used to set the promotion status per task group
Groups []string
WriteRequest
}
// ApplyDeploymentPromoteRequest is used to apply a promotion request via Raft
type ApplyDeploymentPromoteRequest struct {
DeploymentPromoteRequest
// An optional evaluation to create after promoting the canaries
Eval *Evaluation
}
// DeploymentPauseRequest is used to pause a deployment
type DeploymentPauseRequest struct {
DeploymentID string
// Pause sets the pause status
Pause bool
WriteRequest
}
// DeploymentSpecificRequest is used to make a request specific to a particular
// deployment
type DeploymentSpecificRequest struct {
DeploymentID string
QueryOptions
}
// DeploymentFailRequest is used to fail a particular deployment
type DeploymentFailRequest struct {
DeploymentID string
WriteRequest
}
// SingleDeploymentResponse is used to respond with a single deployment
type SingleDeploymentResponse struct {
Deployment *Deployment
QueryMeta
}
// GenericResponse is used to respond to a request where no
// specific response information is needed.
type GenericResponse struct {
WriteMeta
}
// VersionResponse is used for the Status.Version response
type VersionResponse struct {
Build string
Versions map[string]int
QueryMeta
}
// JobRegisterResponse is used to respond to a job registration
type JobRegisterResponse struct {
EvalID string
EvalCreateIndex uint64
JobModifyIndex uint64
// Warnings contains any warnings about the given job. These may include
// deprecation warnings.
Warnings string
QueryMeta
}
// JobDeregisterResponse is used to respond to a job deregistration
type JobDeregisterResponse struct {
EvalID string
EvalCreateIndex uint64
JobModifyIndex uint64
QueryMeta
}
// JobBatchDeregisterResponse is used to respond to a batch job deregistration
type JobBatchDeregisterResponse struct {
// JobEvals maps the job to its created evaluation
JobEvals map[NamespacedID]string
QueryMeta
}
// JobValidateResponse is the response from validate request
type JobValidateResponse struct {
// DriverConfigValidated indicates whether the agent validated the driver
// config
DriverConfigValidated bool
// ValidationErrors is a list of validation errors
ValidationErrors []string
// Error is a string version of any error that may have occurred
Error string
// Warnings contains any warnings about the given job. These may include
// deprecation warnings.
Warnings string
}
// NodeUpdateResponse is used to respond to a node update
type NodeUpdateResponse struct {
HeartbeatTTL time.Duration
EvalIDs []string
EvalCreateIndex uint64
NodeModifyIndex uint64
// LeaderRPCAddr is the RPC address of the current Raft Leader. If
// empty, the current Nomad Server is in the minority of a partition.
LeaderRPCAddr string
// NumNodes is the number of Nomad nodes attached to this quorum of
// Nomad Servers at the time of the response. This value can
// fluctuate based on the health of the cluster between heartbeats.
NumNodes int32
// Servers is the full list of known Nomad servers in the local
// region.
Servers []*NodeServerInfo
QueryMeta
}
// NodeDrainUpdateResponse is used to respond to a node drain update
type NodeDrainUpdateResponse struct {
NodeModifyIndex uint64
EvalIDs []string
EvalCreateIndex uint64
WriteMeta
}
// NodeEligibilityUpdateResponse is used to respond to a node eligibility update
type NodeEligibilityUpdateResponse struct {
NodeModifyIndex uint64
EvalIDs []string
EvalCreateIndex uint64
WriteMeta
}
// NodeAllocsResponse is used to return allocs for a single node
type NodeAllocsResponse struct {
Allocs []*Allocation
QueryMeta
}
// NodeClientAllocsResponse is used to return allocs meta data for a single node
type NodeClientAllocsResponse struct {
Allocs map[string]uint64
// MigrateTokens are used when ACLs are enabled to allow cross node,
// authenticated access to sticky volumes
MigrateTokens map[string]string
QueryMeta
}
// SingleNodeResponse is used to return a single node
type SingleNodeResponse struct {
Node *Node
QueryMeta
}
// NodeListResponse is used for a list request
type NodeListResponse struct {
Nodes []*NodeListStub
QueryMeta
}
// SingleJobResponse is used to return a single job
type SingleJobResponse struct {
Job *Job
QueryMeta
}
// JobSummaryResponse is used to return a single job summary
type JobSummaryResponse struct {
JobSummary *JobSummary
QueryMeta
}
type JobDispatchResponse struct {
DispatchedJobID string
EvalID string
EvalCreateIndex uint64
JobCreateIndex uint64
WriteMeta
}
// JobListResponse is used for a list request
type JobListResponse struct {