Version: v0.4.3

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

NifiCluster

FieldTypeDescriptionRequiredDefault
metadataObjectMetadatais metadata that all persisted resources must have, which includes all objects users must create.Nonil
specNifiClusterSpecdefines the desired state of NifiCluster.Nonil
statusNifiClusterStatusdefines the observed state of NifiCluster.Nonil

NifiClusterSpec

FieldTypeDescriptionRequiredDefault
serviceServicePolicydefines the policy for services owned by NiFiKop operator.No-
podPodPolicydefines the policy for pod owned by NiFiKop operator.No-
zkAddressstringspecifies the ZooKeeper connection string in the form hostname:port where host and port are those of a Zookeeper server.Yes""
zkPathstringspecifies the Zookeeper chroot path as part of its Zookeeper connection string which puts its data under same path in the global ZooKeeper namespace.Yes"/"
initContainerImagestringcan override the default image used into the init container to check if ZoooKeeper server is reachable..Yes"busybox"
initContainers[ ]stringdefines additional initContainers configurations.No[ ]
clusterImagestringcan specify the whole nificluster image in one place.No""
oneNifiNodePerNodebooleanif 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.Yesnil
propagateLabelsboolean-Yesfalse
managedAdminUsers[ ]ManagedUsercontains the list of users that will be added to the managed admin group (with all rights).No[]
managedReaderUsers[ ]ManagedUsercontains the list of users that will be added to the managed admin group (with all rights).No[]
readOnlyConfigReadOnlyConfigspecifies 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.Nonil
nodeConfigGroupsmap[string]NodeConfigspecifies multiple node configs with unique nameNonil
nodes[ ]Nodespecifies the list of cluster nodes, all node requires an image, unique id, and storageConfigs settingsYesnil
disruptionBudgetDisruptionBudgetdefines the configuration for PodDisruptionBudget.Nonil
ldapConfigurationLdapConfigurationspecifies the configuration if you want to use LDAP.Nonil
nifiClusterTaskSpecNifiClusterTaskSpecspecifies the configuration of the nifi cluster Tasks.Nonil
listenersConfigListenersConfiglistenersConfig specifies nifi's listener specifig configs.Yes-

NifiClusterStatus

FieldTypeDescriptionRequiredDefault
nodesStatemap[string]NodeStateStore the state of each nifi node.No-
StateClusterStateStore the state of each nifi node.Yes-
rootProcessGroupIdstringcontains the uuid of the root process group for this cluster.No-

ServicePolicy

FieldTypeDescriptionRequiredDefault
headlessEnabledbooleanspecifies if the cluster should use headlessService for Nifi or individual services using service per nodes may come an handy case of service mesh.Yesfalse
annotationsmap[string]stringAnnotations specifies the annotations to attach to services the NiFiKop operator createsNo-

PodPolicy

FieldTypeDescriptionRequiredDefault
annotationsmap[string]stringAnnotations specifies the annotations to attach to pods the NiFiKop operator createsNo-

ManagedUsers

FieldTypeDescriptionRequiredDefault
createboolif set to true, will create a podDisruptionBudget.No-
namestringname 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

FieldTypeDescriptionRequiredDefault
identitystringidentity 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-
budgetstringthe budget to set for the PDB, can either be static number or a percentage.Yes-

LdapConfiguration

FieldTypeDescriptionRequiredDefault
enabledbooleanif set to true, we will enable ldap usage into nifi.properties configuration.Nofalse
urlstringspace-separated list of URLs of the LDAP servers (i.e. ldap://${hostname}:${port}).No""
searchBasestringbase DN for searching for users (i.e. CN=Users,DC=example,DC=com).No""
searchFilterstringFilter for searching for users against the 'User Search Base'. (i.e. sAMAccountName={0}). The user specified name is inserted into '{0}'.No""

NifiClusterTaskSpec

FieldTypeDescriptionRequiredDefault
retryDurationMinutesintdescribes the amount of time the Operator waits for the task.Yes5

ClusterState

NameValueDescription
NifiClusterInitializingClusterInitializingstates that the cluster is still in initializing stage
NifiClusterInitializedClusterInitializedstates that the cluster is initialized
NifiClusterReconcilingClusterReconcilingstates that the cluster is still in reconciling stage
NifiClusterRollingUpgradingClusterRollingUpgradingstates that the cluster is rolling upgrading
NifiClusterRunningClusterRunningstates that the cluster is in running state
Last updated on by Alexandre Guitton