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Add field to DevWorkspace to allow overriding Pod spec (devfile#860)
Add field `pods` to the DevWorkspace spec (but not Devfile or DevWorkspaceTemplate) that allows specifying arbitrary fields on any pods created for the DevWorkspace. Signed-off-by: Angel Misevski <amisevsk@redhat.com>
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| Original file line number | Diff line number | Diff line change |
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| package v1alpha2 | ||
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| import ( | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
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|
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| type PodTemplateSpecOverrides struct { | ||
| // Standard object's metadata. | ||
| // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata | ||
| // +optional | ||
| metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` | ||
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| // Subset of Pod Spec fields that can be overridden in a DevWorkspace's deployment | ||
| // +optional | ||
| Spec PodSpecOverrides `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"` | ||
| } | ||
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| type PodSpecOverrides struct { | ||
| // Optional duration in seconds the pod needs to terminate gracefully. May be decreased in delete request. | ||
| // Value must be non-negative integer. The value zero indicates stop immediately via | ||
| // the kill signal (no opportunity to shut down). | ||
| // If this value is nil, the default grace period will be used instead. | ||
| // The grace period is the duration in seconds after the processes running in the pod are sent | ||
| // a termination signal and the time when the processes are forcibly halted with a kill signal. | ||
| // Set this value longer than the expected cleanup time for your process. | ||
| // Defaults to 30 seconds. | ||
| // +optional | ||
| TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty" protobuf:"varint,4,opt,name=terminationGracePeriodSeconds"` | ||
| // Optional duration in seconds the pod may be active on the node relative to | ||
| // StartTime before the system will actively try to mark it failed and kill associated containers. | ||
| // Value must be a positive integer. | ||
| // +optional | ||
| ActiveDeadlineSeconds *int64 `json:"activeDeadlineSeconds,omitempty" protobuf:"varint,5,opt,name=activeDeadlineSeconds"` | ||
| // Set DNS policy for the pod. | ||
| // Defaults to "ClusterFirst". | ||
| // Valid values are 'ClusterFirstWithHostNet', 'ClusterFirst', 'Default' or 'None'. | ||
| // DNS parameters given in DNSConfig will be merged with the policy selected with DNSPolicy. | ||
| // To have DNS options set along with hostNetwork, you have to specify DNS policy | ||
| // explicitly to 'ClusterFirstWithHostNet'. | ||
| // +optional | ||
| DNSPolicy corev1.DNSPolicy `json:"dnsPolicy,omitempty" protobuf:"bytes,6,opt,name=dnsPolicy,casttype=DNSPolicy"` | ||
| // NodeSelector is a selector which must be true for the pod to fit on a node. | ||
| // Selector which must match a node's labels for the pod to be scheduled on that node. | ||
| // More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/ | ||
| // +optional | ||
| NodeSelector map[string]string `json:"nodeSelector,omitempty" protobuf:"bytes,7,rep,name=nodeSelector"` | ||
| // ServiceAccountName is the name of the ServiceAccount to use to run this pod. | ||
| // More info: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/ | ||
| // +optional | ||
| ServiceAccountName string `json:"serviceAccountName,omitempty" protobuf:"bytes,8,opt,name=serviceAccountName"` | ||
| // AutomountServiceAccountToken indicates whether a service account token should be automatically mounted. | ||
| // +optional | ||
| AutomountServiceAccountToken *bool `json:"automountServiceAccountToken,omitempty" protobuf:"varint,21,opt,name=automountServiceAccountToken"` | ||
| // NodeName is a request to schedule this pod onto a specific node. If it is non-empty, | ||
| // the scheduler simply schedules this pod onto that node, assuming that it fits resource | ||
| // requirements. | ||
| // +optional | ||
| NodeName string `json:"nodeName,omitempty" protobuf:"bytes,10,opt,name=nodeName"` | ||
| // Host networking requested for this pod. Use the host's network namespace. | ||
| // If this option is set, the ports that will be used must be specified. | ||
| // Default to false. | ||
| // +k8s:conversion-gen=false | ||
| // +optional | ||
| HostNetwork bool `json:"hostNetwork,omitempty" protobuf:"varint,11,opt,name=hostNetwork"` | ||
| // Use the host's pid namespace. | ||
| // Optional: Default to false. | ||
| // +k8s:conversion-gen=false | ||
| // +optional | ||
| HostPID bool `json:"hostPID,omitempty" protobuf:"varint,12,opt,name=hostPID"` | ||
| // Use the host's ipc namespace. | ||
| // Optional: Default to false. | ||
| // +k8s:conversion-gen=false | ||
| // +optional | ||
| HostIPC bool `json:"hostIPC,omitempty" protobuf:"varint,13,opt,name=hostIPC"` | ||
| // Share a single process namespace between all of the containers in a pod. | ||
| // When this is set containers will be able to view and signal processes from other containers | ||
| // in the same pod, and the first process in each container will not be assigned PID 1. | ||
| // HostPID and ShareProcessNamespace cannot both be set. | ||
| // Optional: Default to false. | ||
| // +k8s:conversion-gen=false | ||
| // +optional | ||
| ShareProcessNamespace *bool `json:"shareProcessNamespace,omitempty" protobuf:"varint,27,opt,name=shareProcessNamespace"` | ||
| // SecurityContext holds pod-level security attributes and common container settings. | ||
| // Optional: Defaults to empty. See type description for default values of each field. | ||
| // +optional | ||
| SecurityContext *corev1.PodSecurityContext `json:"securityContext,omitempty" protobuf:"bytes,14,opt,name=securityContext"` | ||
| // ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec. | ||
| // If specified, these secrets will be passed to individual puller implementations for them to use. For example, | ||
| // in the case of docker, only DockerConfig type secrets are honored. | ||
| // More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod | ||
| // +optional | ||
| // +patchMergeKey=name | ||
| // +patchStrategy=merge | ||
| ImagePullSecrets []corev1.LocalObjectReference `json:"imagePullSecrets,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,15,rep,name=imagePullSecrets"` | ||
| // Specifies the hostname of the Pod | ||
| // If not specified, the pod's hostname will be set to a system-defined value. | ||
| // +optional | ||
| Hostname string `json:"hostname,omitempty" protobuf:"bytes,16,opt,name=hostname"` | ||
| // If specified, the fully qualified Pod hostname will be "<hostname>.<subdomain>.<pod namespace>.svc.<cluster domain>". | ||
| // If not specified, the pod will not have a domainname at all. | ||
| // +optional | ||
| Subdomain string `json:"subdomain,omitempty" protobuf:"bytes,17,opt,name=subdomain"` | ||
| // If specified, the pod's scheduling constraints | ||
| // +optional | ||
| Affinity *corev1.Affinity `json:"affinity,omitempty" protobuf:"bytes,18,opt,name=affinity"` | ||
| // If specified, the pod will be dispatched by specified scheduler. | ||
| // If not specified, the pod will be dispatched by default scheduler. | ||
| // +optional | ||
| SchedulerName string `json:"schedulerName,omitempty" protobuf:"bytes,19,opt,name=schedulerName"` | ||
| // If specified, the pod's tolerations. | ||
| // +optional | ||
| Tolerations []corev1.Toleration `json:"tolerations,omitempty" protobuf:"bytes,22,opt,name=tolerations"` | ||
| // HostAliases is an optional list of hosts and IPs that will be injected into the pod's hosts | ||
| // file if specified. This is only valid for non-hostNetwork pods. | ||
| // +optional | ||
| // +patchMergeKey=ip | ||
| // +patchStrategy=merge | ||
| HostAliases []corev1.HostAlias `json:"hostAliases,omitempty" patchStrategy:"merge" patchMergeKey:"ip" protobuf:"bytes,23,rep,name=hostAliases"` | ||
| // If specified, indicates the pod's priority. "system-node-critical" and | ||
| // "system-cluster-critical" are two special keywords which indicate the | ||
| // highest priorities with the former being the highest priority. Any other | ||
| // name must be defined by creating a PriorityClass object with that name. | ||
| // If not specified, the pod priority will be default or zero if there is no | ||
| // default. | ||
| // +optional | ||
| PriorityClassName string `json:"priorityClassName,omitempty" protobuf:"bytes,24,opt,name=priorityClassName"` | ||
| // The priority value. Various system components use this field to find the | ||
| // priority of the pod. When Priority Admission Controller is enabled, it | ||
| // prevents users from setting this field. The admission controller populates | ||
| // this field from PriorityClassName. | ||
| // The higher the value, the higher the priority. | ||
| // +optional | ||
| Priority *int32 `json:"priority,omitempty" protobuf:"bytes,25,opt,name=priority"` | ||
| // Specifies the DNS parameters of a pod. | ||
| // Parameters specified here will be merged to the generated DNS | ||
| // configuration based on DNSPolicy. | ||
| // +optional | ||
| DNSConfig *corev1.PodDNSConfig `json:"dnsConfig,omitempty" protobuf:"bytes,26,opt,name=dnsConfig"` | ||
| // If specified, all readiness gates will be evaluated for pod readiness. | ||
| // A pod is ready when all its containers are ready AND | ||
| // all conditions specified in the readiness gates have status equal to "True" | ||
| // More info: https://git.k8s.io/enhancements/keps/sig-network/0007-pod-ready%2B%2B.md | ||
| // +optional | ||
| ReadinessGates []corev1.PodReadinessGate `json:"readinessGates,omitempty" protobuf:"bytes,28,opt,name=readinessGates"` | ||
| // RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used | ||
| // to run this pod. If no RuntimeClass resource matches the named class, the pod will not be run. | ||
| // If unset or empty, the "legacy" RuntimeClass will be used, which is an implicit class with an | ||
| // empty definition that uses the default runtime handler. | ||
| // More info: https://git.k8s.io/enhancements/keps/sig-node/runtime-class.md | ||
| // This is a beta feature as of Kubernetes v1.14. | ||
| // +optional | ||
| RuntimeClassName *string `json:"runtimeClassName,omitempty" protobuf:"bytes,29,opt,name=runtimeClassName"` | ||
| // EnableServiceLinks indicates whether information about services should be injected into pod's | ||
| // environment variables, matching the syntax of Docker links. | ||
| // Optional: Defaults to true. | ||
| // +optional | ||
| EnableServiceLinks *bool `json:"enableServiceLinks,omitempty" protobuf:"varint,30,opt,name=enableServiceLinks"` | ||
| // PreemptionPolicy is the Policy for preempting pods with lower priority. | ||
| // One of Never, PreemptLowerPriority. | ||
| // Defaults to PreemptLowerPriority if unset. | ||
| // This field is beta-level, gated by the NonPreemptingPriority feature-gate. | ||
| // +optional | ||
| PreemptionPolicy *corev1.PreemptionPolicy `json:"preemptionPolicy,omitempty" protobuf:"bytes,31,opt,name=preemptionPolicy"` | ||
| // Overhead represents the resource overhead associated with running a pod for a given RuntimeClass. | ||
| // This field will be autopopulated at admission time by the RuntimeClass admission controller. If | ||
| // the RuntimeClass admission controller is enabled, overhead must not be set in Pod create requests. | ||
| // The RuntimeClass admission controller will reject Pod create requests which have the overhead already | ||
| // set. If RuntimeClass is configured and selected in the PodSpec, Overhead will be set to the value | ||
| // defined in the corresponding RuntimeClass, otherwise it will remain unset and treated as zero. | ||
| // More info: https://git.k8s.io/enhancements/keps/sig-node/20190226-pod-overhead.md | ||
| // This field is alpha-level as of Kubernetes v1.16, and is only honored by servers that enable the PodOverhead feature. | ||
| // +optional | ||
| Overhead corev1.ResourceList `json:"overhead,omitempty" protobuf:"bytes,32,opt,name=overhead"` | ||
| // TopologySpreadConstraints describes how a group of pods ought to spread across topology | ||
| // domains. Scheduler will schedule pods in a way which abides by the constraints. | ||
| // All topologySpreadConstraints are ANDed. | ||
| // +optional | ||
| // +patchMergeKey=topologyKey | ||
| // +patchStrategy=merge | ||
| // +listType=map | ||
| // +listMapKey=topologyKey | ||
| // +listMapKey=whenUnsatisfiable | ||
| TopologySpreadConstraints []corev1.TopologySpreadConstraint `json:"topologySpreadConstraints,omitempty" patchStrategy:"merge" patchMergeKey:"topologyKey" protobuf:"bytes,33,opt,name=topologySpreadConstraints"` | ||
| // If true the pod's hostname will be configured as the pod's FQDN, rather than the leaf name (the default). | ||
| // In Linux containers, this means setting the FQDN in the hostname field of the kernel (the nodename field of struct utsname). | ||
| // In Windows containers, this means setting the registry value of hostname for the registry key HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters to FQDN. | ||
| // If a pod does not have FQDN, this has no effect. | ||
| // Default to false. | ||
| // +optional | ||
| SetHostnameAsFQDN *bool `json:"setHostnameAsFQDN,omitempty" protobuf:"varint,35,opt,name=setHostnameAsFQDN"` | ||
| } |