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description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names'
type: string
optional:
description: Specify whether the ConfigMap must be defined
type: boolean
description: An optional identifier to prepend to each key
in the ConfigMap. Must be a C_IDENTIFIER.
type: string
secretRef:
description: |-
SecretEnvSource selects a Secret to populate the environment variables with.
The contents of the target Secret's Data field will represent the key-value pairs as environment variables.
properties:
name:
description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names'
type: string
optional:
description: Specify whether the Secret must be defined
type: boolean
type: object
type: object
type: array
image:
description: 'Docker image name. More info: https://kubernetes.io/docs/concepts/containers/images
This field is optional to allow higher level config management
to default or override container images in workload controllers
like Deployments and StatefulSets.'
type: string
imagePullPolicy:
description: 'Image pull policy. One of Always, Never, IfNotPresent.
Defaults to Always if :latest tag is specified, or IfNotPresent
otherwise. Cannot be updated. More info: https://kubernetes.io/docs/concepts/containers/images#updating-images'
type: string
lifecycle:
description: Lifecycle describes actions that the management system
should take in response to container lifecycle events. For the
PostStart and PreStop lifecycle handlers, management of the
container blocks until the action is complete, unless the container
process fails, in which case the handler is aborted.
properties:
postStart:
description: Handler defines a specific action that should
be taken
properties:
exec:
description: ExecAction describes a "run in container"
action.
properties:
command:
description: Command is the command line to execute
inside the container, the working directory for
the command is root ('/') in the container's filesystem.
The command is simply exec'd, it is not run inside
a shell, so traditional shell instructions ('|',
etc) won't work. To use a shell, you need to explicitly
call out to that shell. Exit status of 0 is treated
as live/healthy and non-zero is unhealthy.
items:
type: string
type: array
description: HTTPGetAction describes an action based on
HTTP Get requests.
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properties:
host:
description: Host name to connect to, defaults to
the pod IP. You probably want to set "Host" in httpHeaders
instead.
type: string
httpHeaders:
description: Custom headers to set in the request.
HTTP allows repeated headers.
items:
description: HTTPHeader describes a custom header
to be used in HTTP probes
properties:
name:
description: The header field name
type: string
value:
description: The header field value
type: string
required:
- name
- value
type: array
path:
description: Path to access on the HTTP server.
type: string
- type: integer
scheme:
description: Scheme to use for connecting to the host.
Defaults to HTTP.
type: string
required:
- port
description: TCPSocketAction describes an action based
on opening a socket
properties:
host:
description: 'Optional: Host name to connect to, defaults
to the pod IP.'
type: string
- type: integer
type: object
type: object
description: Handler defines a specific action that should
be taken
properties:
exec:
description: ExecAction describes a "run in container"
action.
properties:
command:
description: Command is the command line to execute
inside the container, the working directory for
the command is root ('/') in the container's filesystem.
The command is simply exec'd, it is not run inside
a shell, so traditional shell instructions ('|',
etc) won't work. To use a shell, you need to explicitly
call out to that shell. Exit status of 0 is treated
as live/healthy and non-zero is unhealthy.
items:
type: string
type: array
description: HTTPGetAction describes an action based on
HTTP Get requests.
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properties:
host:
description: Host name to connect to, defaults to
the pod IP. You probably want to set "Host" in httpHeaders
instead.
type: string
httpHeaders:
description: Custom headers to set in the request.
HTTP allows repeated headers.
items:
description: HTTPHeader describes a custom header
to be used in HTTP probes
properties:
name:
description: The header field name
type: string
value:
description: The header field value
type: string
required:
- name
- value
type: array
path:
description: Path to access on the HTTP server.
type: string
- type: integer
scheme:
description: Scheme to use for connecting to the host.
Defaults to HTTP.
type: string
required:
- port
description: TCPSocketAction describes an action based
on opening a socket
properties:
host:
description: 'Optional: Host name to connect to, defaults
to the pod IP.'
type: string
- type: integer
type: object
type: object
type: object
description: Probe describes a health check to be performed against
a container to determine whether it is alive or ready to receive
traffic.
properties:
exec:
description: ExecAction describes a "run in container" action.
properties:
command:
description: Command is the command line to execute inside
the container, the working directory for the command is
root ('/') in the container's filesystem. The command
is simply exec'd, it is not run inside a shell, so traditional
shell instructions ('|', etc) won't work. To use a shell,
you need to explicitly call out to that shell. Exit
status of 0 is treated as live/healthy and non-zero
is unhealthy.
items:
type: string
type: array
failureThreshold:
description: Minimum consecutive failures for the probe to
be considered failed after having succeeded. Defaults to
3. Minimum value is 1.
format: int32
type: integer
httpGet:
description: HTTPGetAction describes an action based on HTTP
Get requests.
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properties:
host:
description: Host name to connect to, defaults to the
pod IP. You probably want to set "Host" in httpHeaders
instead.
type: string
httpHeaders:
description: Custom headers to set in the request. HTTP
allows repeated headers.
items:
description: HTTPHeader describes a custom header to
be used in HTTP probes
properties:
name:
description: The header field name
type: string
value:
description: The header field value
type: string
required:
- name
- value
type: array
path:
description: Path to access on the HTTP server.
type: string
- type: integer
scheme:
description: Scheme to use for connecting to the host.
Defaults to HTTP.
type: string
required:
- port
initialDelaySeconds:
description: 'Number of seconds after the container has started
before liveness probes are initiated. More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes'
format: int32
type: integer
periodSeconds:
description: How often (in seconds) to perform the probe.
Default to 10 seconds. Minimum value is 1.
format: int32
type: integer
successThreshold:
description: Minimum consecutive successes for the probe to
be considered successful after having failed. Defaults to
1. Must be 1 for liveness and startup. Minimum value is
1.
format: int32
type: integer
tcpSocket:
description: TCPSocketAction describes an action based on
opening a socket
properties:
host:
description: 'Optional: Host name to connect to, defaults
to the pod IP.'
type: string
- type: integer
timeoutSeconds:
description: 'Number of seconds after which the probe times
out. Defaults to 1 second. Minimum value is 1. More info:
https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes'
format: int32
type: integer
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name:
description: Name of the container specified as a DNS_LABEL. Each
container in a pod must have a unique name (DNS_LABEL). Cannot
be updated.
type: string
ports:
description: List of ports to expose from the container. Exposing
a port here gives the system additional information about the
network connections a container uses, but is primarily informational.
Not specifying a port here DOES NOT prevent that port from being
exposed. Any port which is listening on the default "0.0.0.0"
address inside a container will be accessible from the network.
Cannot be updated.
items:
description: ContainerPort represents a network port in a single
container.
properties:
containerPort:
description: Number of port to expose on the pod's IP address.
This must be a valid port number, 0 < x < 65536.
format: int32
type: integer
hostIP:
description: What host IP to bind the external port to.
type: string
hostPort:
description: Number of port to expose on the host. If specified,
this must be a valid port number, 0 < x < 65536. If HostNetwork
is specified, this must match ContainerPort. Most containers
do not need this.
format: int32
type: integer
name:
description: If specified, this must be an IANA_SVC_NAME
and unique within the pod. Each named port in a pod must
have a unique name. Name for the port that can be referred
to by services.
type: string
protocol:
description: Protocol for port. Must be UDP, TCP, or SCTP.
Defaults to "TCP".
type: string
required:
- containerPort
type: array
readinessProbe:
description: Probe describes a health check to be performed against
a container to determine whether it is alive or ready to receive
traffic.
properties:
exec:
description: ExecAction describes a "run in container" action.
properties:
command:
description: Command is the command line to execute inside
the container, the working directory for the command is
root ('/') in the container's filesystem. The command
is simply exec'd, it is not run inside a shell, so traditional
shell instructions ('|', etc) won't work. To use a shell,
you need to explicitly call out to that shell. Exit
status of 0 is treated as live/healthy and non-zero
is unhealthy.
items:
type: string
type: array
failureThreshold:
description: Minimum consecutive failures for the probe to
be considered failed after having succeeded. Defaults to
3. Minimum value is 1.
format: int32
type: integer
httpGet:
description: HTTPGetAction describes an action based on HTTP
Get requests.
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properties:
host:
description: Host name to connect to, defaults to the
pod IP. You probably want to set "Host" in httpHeaders
instead.
type: string
httpHeaders:
description: Custom headers to set in the request. HTTP
allows repeated headers.
items:
description: HTTPHeader describes a custom header to
be used in HTTP probes
properties:
name:
description: The header field name
type: string
value:
description: The header field value
type: string
required:
- name
- value
type: array
path:
description: Path to access on the HTTP server.
type: string
- type: integer
scheme:
description: Scheme to use for connecting to the host.
Defaults to HTTP.
type: string
required:
- port
initialDelaySeconds:
description: 'Number of seconds after the container has started
before liveness probes are initiated. More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes'
format: int32
type: integer
periodSeconds:
description: How often (in seconds) to perform the probe.
Default to 10 seconds. Minimum value is 1.
format: int32
type: integer
successThreshold:
description: Minimum consecutive successes for the probe to
be considered successful after having failed. Defaults to
1. Must be 1 for liveness and startup. Minimum value is
1.
format: int32
type: integer
tcpSocket:
description: TCPSocketAction describes an action based on
opening a socket
properties:
host:
description: 'Optional: Host name to connect to, defaults
to the pod IP.'
type: string
- type: integer
timeoutSeconds:
description: 'Number of seconds after which the probe times
out. Defaults to 1 second. Minimum value is 1. More info:
https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes'
format: int32
type: integer
description: ResourceRequirements describes the compute resource
requirements.
properties:
limits:
description: 'Limits describes the maximum amount of compute
resources allowed. More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/'
type: object
requests:
description: 'Requests describes the minimum amount of compute
resources required. If Requests is omitted for a container,
it defaults to Limits if that is explicitly specified, otherwise
to an implementation-defined value. More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/'
type: object
description: SecurityContext holds security configuration that
will be applied to a container. Some fields are present in both
SecurityContext and PodSecurityContext. When both are set,
the values in SecurityContext take precedence.
properties:
allowPrivilegeEscalation:
description: 'AllowPrivilegeEscalation controls whether a
process can gain more privileges than its parent process.
This bool directly controls if the no_new_privs flag will
be set on the container process. AllowPrivilegeEscalation
is true always when the container is: 1) run as Privileged
2) has CAP_SYS_ADMIN'
type: boolean
capabilities:
description: Adds and removes POSIX capabilities from running
containers.
properties:
add:
description: Added capabilities
items:
type: string
type: array
drop:
description: Removed capabilities
items:
type: string
type: array
privileged:
description: Run container in privileged mode. Processes in
privileged containers are essentially equivalent to root
on the host. Defaults to false.
type: boolean
procMount:
description: procMount denotes the type of proc mount to use
for the containers. The default is DefaultProcMount which
uses the container runtime defaults for readonly paths and
masked paths. This requires the ProcMountType feature flag
to be enabled.
type: string
readOnlyRootFilesystem:
description: Whether this container has a read-only root filesystem.
Default is false.
type: boolean
runAsGroup:
description: The GID to run the entrypoint of the container
process. Uses runtime default if unset. May also be set
in PodSecurityContext. If set in both SecurityContext and
PodSecurityContext, the value specified in SecurityContext
takes precedence.
format: int64
type: integer
runAsNonRoot:
description: Indicates that the container must run as a non-root
user. If true, the Kubelet will validate the image at runtime
to ensure that it does not run as UID 0 (root) and fail
to start the container if it does. If unset or false, no
such validation will be performed. May also be set in PodSecurityContext. If
set in both SecurityContext and PodSecurityContext, the
value specified in SecurityContext takes precedence.
type: boolean
runAsUser:
description: The UID to run the entrypoint of the container
process. Defaults to user specified in image metadata if
unspecified. May also be set in PodSecurityContext. If
set in both SecurityContext and PodSecurityContext, the
value specified in SecurityContext takes precedence.
format: int64
type: integer
seLinuxOptions:
description: SELinuxOptions are the labels to be applied to
the container
properties:
level:
description: Level is SELinux level label that applies
to the container.
type: string
role:
description: Role is a SELinux role label that applies
to the container.
type: string
type:
description: Type is a SELinux type label that applies
to the container.
type: string
user:
description: User is a SELinux user label that applies
to the container.
type: string
description: WindowsSecurityContextOptions contain Windows-specific
options and credentials.
properties:
gmsaCredentialSpec:
description: GMSACredentialSpec is where the GMSA admission
webhook (https://github.com/kubernetes-sigs/windows-gmsa)
inlines the contents of the GMSA credential spec named
by the GMSACredentialSpecName field. This field is alpha-level
and is only honored by servers that enable the WindowsGMSA
feature flag.
type: string
gmsaCredentialSpecName:
description: GMSACredentialSpecName is the name of the
GMSA credential spec to use. This field is alpha-level
and is only honored by servers that enable the WindowsGMSA
feature flag.
type: string
runAsUserName:
description: The UserName in Windows to run the entrypoint
of the container process. Defaults to the user specified
in image metadata if unspecified. May also be set in
PodSecurityContext. If set in both SecurityContext and
PodSecurityContext, the value specified in SecurityContext
takes precedence. This field is alpha-level and it is
only honored by servers that enable the WindowsRunAsUserName
feature flag.
type: string
type: object
type: object
startupProbe:
description: Probe describes a health check to be performed against
a container to determine whether it is alive or ready to receive
traffic.
description: ExecAction describes a "run in container" action.
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properties:
command:
description: Command is the command line to execute inside
the container, the working directory for the command is
root ('/') in the container's filesystem. The command
is simply exec'd, it is not run inside a shell, so traditional
shell instructions ('|', etc) won't work. To use a shell,
you need to explicitly call out to that shell. Exit
status of 0 is treated as live/healthy and non-zero
is unhealthy.
items:
type: string
type: array
type: object
failureThreshold:
description: Minimum consecutive failures for the probe to
be considered failed after having succeeded. Defaults to
3. Minimum value is 1.
format: int32
type: integer
httpGet:
description: HTTPGetAction describes an action based on HTTP
Get requests.
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properties:
host:
description: Host name to connect to, defaults to the
pod IP. You probably want to set "Host" in httpHeaders
instead.
type: string
httpHeaders:
description: Custom headers to set in the request. HTTP
allows repeated headers.
items:
description: HTTPHeader describes a custom header to
be used in HTTP probes
properties:
name:
description: The header field name
type: string
value:
description: The header field value
type: string
required:
- name
- value
type: object
type: array
path:
description: Path to access on the HTTP server.
type: string
port:
anyOf:
- type: integer
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scheme:
description: Scheme to use for connecting to the host.
Defaults to HTTP.
type: string
required:
- port
type: object
initialDelaySeconds:
description: 'Number of seconds after the container has started
before liveness probes are initiated. More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes'
format: int32
type: integer
periodSeconds:
description: How often (in seconds) to perform the probe.
Default to 10 seconds. Minimum value is 1.
format: int32
type: integer
successThreshold:
description: Minimum consecutive successes for the probe to
be considered successful after having failed. Defaults to
1. Must be 1 for liveness and startup. Minimum value is
1.
format: int32
type: integer
tcpSocket:
description: TCPSocketAction describes an action based on
opening a socket
properties:
host:
description: 'Optional: Host name to connect to, defaults
to the pod IP.'
type: string
port:
anyOf:
- type: integer
timeoutSeconds:
description: 'Number of seconds after which the probe times
out. Defaults to 1 second. Minimum value is 1. More info:
https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes'
format: int32
type: integer
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stdin:
description: Whether this container should allocate a buffer for
stdin in the container runtime. If this is not set, reads from
stdin in the container will always result in EOF. Default is
false.
type: boolean
stdinOnce:
description: Whether the container runtime should close the stdin
channel after it has been opened by a single attach. When stdin
is true the stdin stream will remain open across multiple attach
sessions. If stdinOnce is set to true, stdin is opened on container
start, is empty until the first client attaches to stdin, and
then remains open and accepts data until the client disconnects,
at which time stdin is closed and remains closed until the container
is restarted. If this flag is false, a container processes that
reads from stdin will never receive an EOF. Default is false
type: boolean
terminationMessagePath:
description: 'Optional: Path at which the file to which the container''s
termination message will be written is mounted into the container''s
filesystem. Message written is intended to be brief final status,
such as an assertion failure message. Will be truncated by the
node if greater than 4096 bytes. The total message length across
all containers will be limited to 12kb. Defaults to /dev/termination-log.
Cannot be updated.'
type: string
terminationMessagePolicy:
description: Indicate how the termination message should be populated.
File will use the contents of terminationMessagePath to populate
the container status message on both success and failure. FallbackToLogsOnError
will use the last chunk of container log output if the termination
message file is empty and the container exited with an error.
The log output is limited to 2048 bytes or 80 lines, whichever
is smaller. Defaults to File. Cannot be updated.
type: string
tty:
description: Whether this container should allocate a TTY for
itself, also requires 'stdin' to be true. Default is false.
type: boolean
volumeDevices:
description: volumeDevices is the list of block devices to be
used by the container. This is a beta feature.
items:
description: volumeDevice describes a mapping of a raw block
device within a container.
properties:
devicePath:
description: devicePath is the path inside of the container
that the device will be mapped to.
type: string
name:
description: name must match the name of a persistentVolumeClaim
in the pod
type: string
required:
- devicePath
type: array
volumeMounts:
description: Pod volumes to mount into the container's filesystem.
Cannot be updated.
items:
description: VolumeMount describes a mounting of a Volume within
a container.
properties:
mountPath:
description: Path within the container at which the volume
should be mounted. Must not contain ':'.
type: string
mountPropagation:
description: mountPropagation determines how mounts are
propagated from the host to container and the other way
around. When not set, MountPropagationNone is used. This
field is beta in 1.10.
type: string
name:
description: This must match the Name of a Volume.
type: string
readOnly:
description: Mounted read-only if true, read-write otherwise
(false or unspecified). Defaults to false.
type: boolean
subPath:
description: Path within the volume from which the container's
volume should be mounted. Defaults to "" (volume's root).
type: string
subPathExpr:
description: Expanded path within the volume from which
the container's volume should be mounted. Behaves similarly
to SubPath but environment variable references $(VAR_NAME)
are expanded using the container's environment. Defaults
to "" (volume's root). SubPathExpr and SubPath are mutually
- mountPath
type: array
workingDir:
description: Container's working directory. If not specified,
the container runtime's default will be used, which might be
configured in the container image. Cannot be updated.
type: string
required:
- name
enableAdminAPI:
description: 'Enable access to prometheus web admin API. Defaults to
the value of `false`. WARNING: Enabling the admin APIs enables mutating
endpoints, to delete data, shutdown Prometheus, and more. Enabling
this should be done with care and the user is advised to add additional
authentication authorization via a proxy to ensure only clients authorized
to perform these actions can do so. For more information see https://prometheus.io/docs/prometheus/latest/querying/api/#tsdb-admin-apis'
type: boolean
enforcedNamespaceLabel:
description: EnforcedNamespaceLabel enforces adding a namespace label
of origin for each alert and metric that is user created. The label
value will always be the namespace of the object that is being created.
type: string
evaluationInterval:
description: Interval between consecutive evaluations.
type: string
externalLabels:
description: The labels to add to any time series or alerts when communicating
with external systems (federation, remote storage, Alertmanager).
type: object
externalUrl:
description: The external URL the Prometheus instances will be available
under. This is necessary to generate correct URLs. This is necessary
if Prometheus is not served from root of a DNS name.
type: string
ignoreNamespaceSelectors:
description: IgnoreNamespaceSelectors if set to true will ignore NamespaceSelector
settings from the podmonitor and servicemonitor configs, and they
will only discover endpoints within their current namespace. Defaults
to false.
type: boolean
image:
description: Image if specified has precedence over baseImage, tag and
sha combinations. Specifying the version is still necessary to ensure
the Prometheus Operator knows what version of Prometheus is being
configured.
type: string
imagePullSecrets:
description: An optional list of references to secrets in the same namespace
to use for pulling prometheus and alertmanager images from registries
see http://kubernetes.io/docs/user-guide/images#specifying-imagepullsecrets-on-a-pod
items:
description: LocalObjectReference contains enough information to let
you locate the referenced object inside the same namespace.
properties:
name:
description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names'
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initContainers:
description: 'InitContainers allows adding initContainers to the pod
definition. Those can be used to e.g. fetch secrets for injection
into the Prometheus configuration from external sources. Any errors
during the execution of an initContainer will lead to a restart of
the Pod. More info: https://kubernetes.io/docs/concepts/workloads/pods/init-containers/
Using initContainers for any use case other then secret fetching is
entirely outside the scope of what the maintainers will support and
by doing so, you accept that this behaviour may break at any time
without notice.'
items:
description: A single application container that you want to run within
a pod.
properties:
args:
description: 'Arguments to the entrypoint. The docker image''s
CMD is used if this is not provided. Variable references $(VAR_NAME)
are expanded using the container''s environment. If a variable
cannot be resolved, the reference in the input string will be
unchanged. The $(VAR_NAME) syntax can be escaped with a double
$$, ie: $$(VAR_NAME). Escaped references will never be expanded,
regardless of whether the variable exists or not. Cannot be
updated. More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell'
items:
type: string
type: array
command:
description: 'Entrypoint array. Not executed within a shell. The
docker image''s ENTRYPOINT is used if this is not provided.
Variable references $(VAR_NAME) are expanded using the container''s
environment. If a variable cannot be resolved, the reference
in the input string will be unchanged. The $(VAR_NAME) syntax
can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references
will never be expanded, regardless of whether the variable exists
or not. Cannot be updated. More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell'
items:
type: string
type: array
env:
description: List of environment variables to set in the container.
Cannot be updated.
items:
description: EnvVar represents an environment variable present
in a Container.
name:
description: Name of the environment variable. Must be a
C_IDENTIFIER.
value:
description: 'Variable references $(VAR_NAME) are expanded
using the previous defined environment variables in the
container and any service environment variables. If a
variable cannot be resolved, the reference in the input
string will be unchanged. The $(VAR_NAME) syntax can be
escaped with a double $$, ie: $$(VAR_NAME). Escaped references
will never be expanded, regardless of whether the variable
exists or not. Defaults to "".'
description: EnvVarSource represents a source for the value
of an EnvVar.
description: Selects a key from a ConfigMap.
properties:
key:
description: The key to select.
type: string
name:
description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names'
type: string
optional:
description: Specify whether the ConfigMap or its
key must be defined
type: boolean
required:
- key
type: object
fieldRef:
description: ObjectFieldSelector selects an APIVersioned
field of an object.
properties:
apiVersion:
description: Version of the schema the FieldPath
is written in terms of, defaults to "v1".
type: string
fieldPath:
description: Path of the field to select in the
specified API version.
type: string
required:
- fieldPath
type: object
resourceFieldRef:
description: ResourceFieldSelector represents container
resources (cpu, memory) and their output format
properties:
containerName:
description: 'Container name: required for volumes,
optional for env vars'
type: string
divisor: {}
resource:
description: 'Required: resource to select'
type: string
required:
- resource
type: object
secretKeyRef:
description: SecretKeySelector selects a key of a Secret.
properties:
key:
description: The key of the secret to select from. Must
be a valid secret key.
type: string
name:
description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names'
type: string
optional:
description: Specify whether the Secret or its key
must be defined
type: boolean
required:
- key
type: object
type: object
required:
- name
type: object
type: array
envFrom:
description: List of sources to populate environment variables
in the container. The keys defined within a source must be a
C_IDENTIFIER. All invalid keys will be reported as an event
when the container is starting. When a key exists in multiple
sources, the value associated with the last source will take