NiFi cluster

NifiCluster describes the desired state of the NiFi cluster we want to setup through the operator.

apiVersion: nifi.orange.com/v1alpha1

kind: NifiCluster

metadata:

name: simplenifi

spec:

service:

headlessEnabled: true

zkAddress: "zookeepercluster-client.zookeeper:2181"

zkPath: "/simplenifi"

clusterImage: "apache/nifi:1.11.3"

oneNifiNodePerNode: false

nodeConfigGroups:

default_group:

isNode: true

storageConfigs:

- mountPath: "/opt/nifi/nifi-current/logs"

name: logs

pvcSpec:

accessModes:

- ReadWriteOnce

storageClassName: "standard"

resources:

requests:

storage: 10Gi

serviceAccountName: "default"

resourcesRequirements:

limits:

cpu: "2"

memory: 3Gi

requests:

cpu: "1"

memory: 1Gi

nodes:

- id: 1

nodeConfigGroup: "default_group"

- id: 2

nodeConfigGroup: "default_group"

propagateLabels: true

nifiClusterTaskSpec:

retryDurationMinutes: 10

listenersConfig:

internalListeners:

- type: "http"

name: "http"

containerPort: 8080

- type: "cluster"

name: "cluster"

containerPort: 6007

- type: "s2s"

name: "s2s"

containerPort: 10000

externalServices:

- name: "clusterip"

spec:

type: ClusterIP

portConfigs:

- port: 8080

internalListenerName: "http"

serviceAnnotations:

toto: tata

NifiCluster

Field	Type	Description	Required	Default
metadata	ObjectMetadata	is metadata that all persisted resources must have, which includes all objects users must create.	No	nil
spec	NifiClusterSpec	defines the desired state of NifiCluster.	No	nil
status	NifiClusterStatus	defines the observed state of NifiCluster.	No	nil

NifiClusterSpec

Field	Type	Description	Required	Default
service	ServicePolicy	defines the policy for services owned by NiFiKop operator.	No	-
pod	PodPolicy	defines the policy for pod owned by NiFiKop operator.	No	-
zkAddress	string	specifies the ZooKeeper connection string in the form hostname:port where host and port are those of a Zookeeper server.	Yes	""
zkPath	string	specifies the Zookeeper chroot path as part of its Zookeeper connection string which puts its data under same path in the global ZooKeeper namespace.	Yes	"/"
initContainerImage	string	can override the default image used into the init container to check if ZoooKeeper server is reachable..	Yes	"busybox"
initContainers	[ ]string	defines additional initContainers configurations.	No	[ ]
clusterImage	string	can specify the whole nificluster image in one place.	No	""
oneNifiNodePerNode	boolean	if set to true every nifi node is started on a new node, if there is not enough node to do that it will stay in pending state. If set to false the operator also tries to schedule the nifi node to a unique node but if the node number is insufficient the nifi node will be scheduled to a node where a nifi node is already running.	Yes	nil
propagateLabels	boolean	-	Yes	false
managedAdminUsers	[ ]ManagedUser	contains the list of users that will be added to the managed admin group (with all rights).	No	[]
managedReaderUsers	[ ]ManagedUser	contains the list of users that will be added to the managed admin group (with all rights).	No	[]
readOnlyConfig	ReadOnlyConfig	specifies the read-only type Nifi config cluster wide, all theses will be merged with node specified readOnly configurations, so it can be overwritten per node.	No	nil
nodeConfigGroups	map[string]NodeConfig	specifies multiple node configs with unique name	No	nil
nodes	[ ]Node	specifies the list of cluster nodes, all node requires an image, unique id, and storageConfigs settings	Yes	nil
disruptionBudget	DisruptionBudget	defines the configuration for PodDisruptionBudget.	No	nil
ldapConfiguration	LdapConfiguration	specifies the configuration if you want to use LDAP.	No	nil
nifiClusterTaskSpec	NifiClusterTaskSpec	specifies the configuration of the nifi cluster Tasks.	No	nil
listenersConfig	ListenersConfig	specifies nifi's listener specifig configs.	Yes	-
sidecarConfigs	[ ]Container	Defines additional sidecar configurations. [Check documentation for more informations]
externalServices	[ ]ExternalServiceConfigs	specifies settings required to access nifi externally.	No	-

NifiClusterStatus

Field	Type	Description	Required	Default
nodesState	map[string]NodeState	Store the state of each nifi node.	No	-
State	ClusterState	Store the state of each nifi node.	Yes	-
rootProcessGroupId	string	contains the uuid of the root process group for this cluster.	No	-

ServicePolicy

Field	Type	Description	Required	Default
headlessEnabled	boolean	specifies if the cluster should use headlessService for Nifi or individual services using service per nodes may come an handy case of service mesh.	Yes	false
annotations	map[string]string	Annotations specifies the annotations to attach to services the NiFiKop operator creates	No	-

PodPolicy

Field	Type	Description	Required	Default
annotations	map[string]string	Annotations specifies the annotations to attach to pods the NiFiKop operator creates	No	-

ManagedUsers

Field	Type	Description	Required	Default
create	bool	if set to true, will create a podDisruptionBudget.	No	-
name	string	name field is use to name the NifiUser resource, if not identity is provided it will be used to name the user on NiFi cluster side.	Yes	-

DisruptionBudget

Field	Type	Description	Required	Default
identity	string	identity field is use to define the user identity on NiFi cluster side, it use full when the user's name doesn't suite with Kubernetes resource name.	No	-
budget	string	the budget to set for the PDB, can either be static number or a percentage.	Yes	-

LdapConfiguration

Field	Type	Description	Required	Default
enabled	boolean	if set to true, we will enable ldap usage into nifi.properties configuration.	No	false
url	string	space-separated list of URLs of the LDAP servers (i.e. ldap://${hostname}:${port}).	No	""
searchBase	string	base DN for searching for users (i.e. CN=Users,DC=example,DC=com).	No	""
searchFilter	string	Filter for searching for users against the 'User Search Base'. (i.e. sAMAccountName={0}). The user specified name is inserted into '{0}'.	No	""

NifiClusterTaskSpec

Field	Type	Description	Required	Default
retryDurationMinutes	int	describes the amount of time the Operator waits for the task.	Yes	5

ClusterState

Name	Value	Description
NifiClusterInitializing	ClusterInitializing	states that the cluster is still in initializing stage
NifiClusterInitialized	ClusterInitialized	states that the cluster is initialized
NifiClusterReconciling	ClusterReconciling	states that the cluster is still in reconciling stage
NifiClusterRollingUpgrading	ClusterRollingUpgrading	states that the cluster is rolling upgrading
NifiClusterRunning	ClusterRunning	states that the cluster is in running state