- Elastic Cloud Enterprise - Elastic Cloud on your Infrastructure: other versions:
- What is Elastic Cloud Enterprise?
- Getting started
- Planning your installation
- Preparing your environment
- Installing Elastic Cloud Enterprise
- Configuring your installation
- Securing your installation
- Monitoring your installation
- Administering your installation
- Getting started with deployments
- Administering deployments
- Change your deployment configuration
- Stop routing requests or pause nodes
- Stop a deployment
- Restart a deployment
- Delete a deployment
- Access the Elasticsearch API
- Work with snapshots
- Upgrade versions
- Editing your user settings
- Configure Beats and Logstash with Cloud ID
- Keep your clusters healthy
- Secure your clusters
- Reset the password for the
elastic
user - Manage users and roles in X-Pack
- Manage users and roles in Shield
- Configure the Java Transport client
- Filter IP traffic
- Secure your settings
- Secure your 7.x clusters with LDAP
- Secure your 7.x clusters with Active Directory
- Secure your 5.x and 6.x clusters with LDAP
- Secure your 5.x and 6.x clusters with Active Directory
- Secure your clusters with SAML
- Secure your clusters with OpenID Connect
- Secure your clusters with Kerberos
- Reset the password for the
- Manage your Kibana instance
- Manage your APM Server
- Enable Monitoring (formerly Marvel)
- Enable Graph (versions before 5.0)
- Connect to your cluster
- Enable cross-cluster search
- Enable App Search
- Troubleshooting
- RESTful API
- Authentication
- API calls
- Access the API from the Command Line
- Create an API client
- API examples
- Setting up your environment
- A first API call: What deployments are there?
- Create a first deployment: Just an Elasticsearch cluster
- Create a Deployment: Elasticsearch Cluster and Kibana instance
- Updating a deployment: Resize and add high availability
- Updating a deployment: Checking on progress
- Applying a new deployment configuration: Upgrade
- Enable more stack features: Add Kibana to a deployment
- Dipping a toe into platform automation: Generate a roles token
- Customize your deployment
- Remove unwanted deployment templates and instance configurations
- Secure your settings
- API reference
- Authentication
- User authentication information
- Disable elevated permissions
- Enable elevated permissions
- Login to ECE
- Refresh authentication token
- Delete API keys
- Get all API keys
- Create API key
- Delete API keys of multiple users
- Get all API keys for all users
- Delete API key
- Get API key
- Available authentication methods
- Re-authenticate to generate a token
- SAML callback
- Initiate SAML protocol
- Delete API keys for a user
- Get all API keys for a user
- Delete an API key for a user
- Get a user API key
- Clusters - Apm - CRUD
- Clusters - Apm - CRUD - Configuration
- Clusters - Apm - Commands
- Resynchronize clusters
- Search clusters
- Restart cluster
- Resynchronize cluster
- Shut down cluster
- Upgrade cluster
- Move instances (advanced)
- Start all instances
- Stop all instances
- Start maintenance mode all instances
- Stop maintenance mode all instances
- Move instances
- Start instances
- Stop instances
- Start maintenance mode
- Stop maintenance mode
- Clusters - Elasticsearch - CRUD
- Clusters - Elasticsearch - CRUD - Configuration
- Get cross-cluster search clusters
- Get remote clusters for cross-cluster search
- Set remote clusters for cross-cluster search
- Get cluster curation settings
- Update cluster curation settings
- Set settings overrides (all instances)
- Set settings overrides
- Get settings from this cluster’s keystore
- Add or remove settings from the cluster keystore
- Set cluster name
- Get cluster metadata
- Set cluster metadata
- Get cluster metadata settings
- Update cluster metadata settings
- Cancel monitoring
- Set monitoring
- Get plan
- Update plan
- Migrate plan
- Get plan activity
- Cancel pending plan
- Get pending plan
- Set legacy security settings
- Get cluster snapshot settings
- Update cluster snapshot settings
- Clusters - Elasticsearch - Commands
- Resynchronize clusters
- Search clusters
- Restart cluster
- Resynchronize cluster
- Shut down cluster
- Take snapshot
- Move instances (advanced)
- Start all instances
- Stop all instances
- Start maintenance mode all instances
- Stop maintenance mode all instances
- Move instances
- Start instances
- Stop instances
- Start maintenance mode
- Stop maintenance mode
- Clusters - Elasticsearch - Proxy
- Clusters - Elasticsearch - Support
- Clusters - Kibana - CRUD
- Clusters - Kibana - CRUD - Configuration
- Clusters - Kibana - Commands
- Resynchronize clusters
- Search clusters
- Restart cluster
- Resynchronize cluster
- Shut down cluster
- Upgrade cluster
- Move instances (advanced)
- Start all instances
- Stop all instances
- Start maintenance mode all instances
- Stop maintenance mode all instances
- Move instances
- Start instances
- Stop instances
- Start maintenance mode
- Stop maintenance mode
- Clusters - Kibana - Proxy
- Clusters - Search
- Comments
- Deployment - CRUD
- Deployment - Commands
- Search Deployments
- Reset elastic user password
- Restart Deployment Elasticsearch Resource
- Shutdown Deployment Elasticsearch Resource
- Start all instances
- Stop all instances
- Start maintenance mode (all instances)
- Stop maintenance mode (all instances)
- Start instances
- Stop of instances
- Start maintenance mode
- Stop maintenance mode
- Restart Deployment Stateless Resource
- Shutdown Deployment Stateless Resource
- Upgrade Kibana, APM, AppSearch inside Deployment
- Deployment - Info
- Deployment - resync
- Deployment Resources - CRUD
- Deployments - IP Filtering - CRUD
- Deployments - Notes
- Platform
- Platform - Allocators
- Get allocators
- Resynchronize allocators
- Search allocators
- Delete allocator
- Get allocator
- Resynchronize allocator
- Move clusters
- Move clusters by type
- Start maintenance mode
- Stop maintenance mode
- Get allocator metadata
- Set allocator metadata
- Delete allocator metadata item
- Set allocator metadata item
- Get allocator settings
- Update allocator settings
- Set allocator settings
- Platform - Configuration - Instances - CRUD
- Platform - Configuration - Security
- Platform - Configuration - Security Deployment
- Platform - Configuration - Security Realms
- List security realm configurations
- Reorder security realms
- Create Active Directory configuration
- Delete Active Directory configuration
- Get Active Directory configuration
- Update Active Directory configuration
- Create LDAP configuration
- Delete LDAP configuration
- Get LDAP configuration
- Update LDAP configuration
- Create SAML configuration
- Delete SAML configuration
- Get SAML configuration
- Update SAML configuration
- Platform - Configuration - TLS
- Platform - Constructors
- Platform - License
- Platform - Repository - CRUD
- Platform - Runners
- Platform - configuration - Store
- Platform - proxies
- Roles
- Stack - Instance Types - CRUD
- Stack - Versions - CRUD
- Templates - Deployments
- User Features Controls
- Users
- Definitions
ActiveDirectoryGroupSearch
ActiveDirectorySecurityRealmLoadBalance
ActiveDirectorySecurityRealmRoleMappingRule
ActiveDirectorySecurityRealmRoleMappingRules
ActiveDirectorySettings
ActiveDirectoryUserSearch
AllocatedInstancePlansInfo
AllocatedInstanceStatus
AllocatorBuildInfo
AllocatorCapacity
AllocatorCapacityMemory
AllocatorHealthStatus
AllocatorInfo
AllocatorMoveRequest
AllocatorOverview
AllocatorSettings
AllocatorZoneInfo
ApiKeyResponse
ApiKeysResponse
Apm
ApmConfiguration
ApmCrudResponse
ApmInfo
ApmPayload
ApmPlan
ApmPlanControlConfiguration
ApmPlanInfo
ApmPlansInfo
ApmResourceInfo
ApmSettings
ApmSubInfo
ApmSystemSettings
ApmTopologyElement
ApmsInfo
AppSearch
AppSearchConfiguration
AppSearchInfo
AppSearchNodeTypes
AppSearchPayload
AppSearchPlan
AppSearchPlanControlConfiguration
AppSearchPlanInfo
AppSearchPlansInfo
AppSearchResourceInfo
AppSearchSettings
AppSearchSubInfo
AppSearchSystemSettings
AppSearchTopologyElement
AuthenticationInfo
AvailableAuthenticationMethods
BasicFailedReply
BasicFailedReplyElement
Blessing
Blessings
BlessingsWithMeta
BoolQuery
CapacityConstraintsResource
ChangeSourceInfo
ClusterCommandResponse
ClusterCredentials
ClusterCrudResponse
ClusterCurationSettings
ClusterCurationSpec
ClusterInfo
ClusterInstanceConfigurationInfo
ClusterInstanceDiskInfo
ClusterInstanceInfo
ClusterInstanceMemoryInfo
ClusterLicenseInfo
ClusterMetadataCpuResourcesSettings
ClusterMetadataInfo
ClusterMetadataPortInfo
ClusterMetadataResourcesSettings
ClusterMetadataSettings
ClusterPlanMigrationResponse
ClusterPlanStepInfo
ClusterPlanStepLogMessageInfo
ClusterSnapshotRepositoryDefault
ClusterSnapshotRepositoryInfo
ClusterSnapshotRepositoryReference
ClusterSnapshotRepositoryStatic
ClusterSnapshotRequest
ClusterSnapshotResponse
ClusterSnapshotRetention
ClusterSnapshotSettings
ClusterSystemAlert
ClusterTopologyInfo
ClusterUpgradeInfo
ClustersInfo
Comment
CommentCreateRequest
CommentUpdateRequest
CommentWithMeta
CommentsWithMetas
CompatibleNodeTypesResource
CompatibleVersionResource
ConfigStoreOption
ConfigStoreOptionData
ConfigStoreOptionList
ConstructorHealthStatus
ConstructorInfo
ConstructorOverview
ContainerConfigHostConfig
ContainersEntry
ContainersEntryOptions
ContainersEntryOptionsACL
ContainersEntryOptionsAuth
ContainersEntryOptionsContainerConfig
ContainersEntryOptionsOverrides
CreateApiKeyRequest
CreateApmInCreateElasticsearchRequest
CreateApmRequest
CreateAppSearchRequest
CreateElasticsearchClusterRequest
CreateKibanaInCreateElasticsearchRequest
CreateKibanaRequest
Creates
CrossClusterSearchClusters
CrossClusterSearchInfo
CrossClusterSearchSettings
DeleteApiKeysRequest
DeleteUsersApiKeysRequest
DeploymentCreateMetadata
DeploymentCreateRequest
DeploymentCreateResources
DeploymentCreateResponse
DeploymentCreateSettings
DeploymentDeleteResponse
DeploymentDiagnostics
DeploymentGetResponse
DeploymentMetadata
DeploymentResource
DeploymentResourceCommandResponse
DeploymentResourceCrudResponse
DeploymentResourceUpgradeResponse
DeploymentResources
DeploymentRestoreResponse
DeploymentSearchResponse
DeploymentSettings
DeploymentShutdownResponse
DeploymentTemplateDefinitionRequest
DeploymentTemplateInfo
DeploymentTemplateReference
DeploymentUpdateMetadata
DeploymentUpdateRequest
DeploymentUpdateResources
DeploymentUpdateResponse
DeploymentsListResponse
DeploymentsListingData
DeploymentsSearchResponse
DiscreteSizes
Elasticsearch
ElasticsearchClusterBlockingIssueElement
ElasticsearchClusterBlockingIssues
ElasticsearchClusterInfo
ElasticsearchClusterInstanceSettingsOverrides
ElasticsearchClusterPlan
ElasticsearchClusterPlanInfo
ElasticsearchClusterPlansInfo
ElasticsearchClusterRole
ElasticsearchClusterSecurityInfo
ElasticsearchClusterSettings
ElasticsearchClusterTopologyElement
ElasticsearchClusterUser
ElasticsearchClustersInfo
ElasticsearchConfiguration
ElasticsearchCuration
ElasticsearchDependant
ElasticsearchElasticUserPasswordResetResponse
ElasticsearchInfo
ElasticsearchMasterElement
ElasticsearchMasterInfo
ElasticsearchMonitoringInfo
ElasticsearchNodeType
ElasticsearchPayload
ElasticsearchPlanControlConfiguration
ElasticsearchReplicaElement
ElasticsearchResourceInfo
ElasticsearchScriptTypeSettings
ElasticsearchScriptingUserSettings
ElasticsearchShardElement
ElasticsearchShardsInfo
ElasticsearchSystemSettings
ElasticsearchUserBundle
ElasticsearchUserPlugin
ElevatePermissionsRequest
ElevatedPermissions
EmptyResponse
EnrollmentTokenRequest
ExistsQuery
ExternalHyperlink
FilterAssociation
GrowShrinkStrategyConfig
Hyperlink
IdResponse
IndexSynchronizationResults
InstanceConfiguration
InstanceMoveRequest
InstanceTypeResource
IpFilterRule
IpFilterRuleset
IpFilterRulesets
IpFilteringSettings
KeystoreContents
KeystoreSecret
Kibana
KibanaClusterInfo
KibanaClusterPlan
KibanaClusterPlanInfo
KibanaClusterPlansInfo
KibanaClusterSettings
KibanaClusterTopologyElement
KibanaClustersInfo
KibanaConfiguration
KibanaPayload
KibanaPlanControlConfiguration
KibanaResourceInfo
KibanaSubClusterInfo
KibanaSystemSettings
LdapGroupSearch
LdapSecurityRealmLoadBalance
LdapSecurityRealmRoleMappingRule
LdapSecurityRealmRoleMappingRules
LdapSettings
LdapUserSearch
LegacySecuritySettings
LicenseInfo
LicenseObject
ListEnrollmentTokenElement
ListEnrollmentTokenReply
LoginRequest
LoginState
ManagedMonitoringSettings
MatchAllQuery
MatchNoneQuery
MatchQuery
Metadata
MetadataItem
MetadataItemValue
MetadataItems
ModelVersionIndexSynchronizationResults
MoveApmClusterConfiguration
MoveApmClusterDetails
MoveAppSearchConfiguration
MoveAppSearchDetails
MoveClustersCommandResponse
MoveClustersDetails
MoveClustersRequest
MoveElasticsearchClusterConfiguration
MoveElasticsearchClusterDetails
MoveKibanaClusterConfiguration
MoveKibanaClusterDetails
NestedQuery
NodeTypeResource
Note
Notes
Orphaned
OrphanedElasticsearch
PendingState
PendingStates
PendingStatesWithMeta
PlanStrategy
PlatformInfo
PlatformServiceImageInfo
PlatformServiceInfo
PortBinding
PrefixQuery
ProxiesAllocationsInfo
ProxiesFilter
ProxiesFilteredGroup
ProxiesFilteredGroupHealth
ProxiesHealth
ProxiesHttpSettings
ProxiesSSOSettings
ProxiesSettings
ProxyAllocationCounts
ProxyAllocationInfo
ProxyInfo
ProxyOverview
QueryContainer
QueryStringQuery
RangeQuery
ReAuthenticationRequest
ReAuthenticationResponse
RemoteClusterInfo
RemoteClusterRef
RepositoryConfig
RepositoryConfigs
RequestEnrollmentTokenReply
RestartPolicy
RestoreSnapshotApiConfiguration
RestoreSnapshotConfiguration
RestoreSnapshotRepoConfiguration
Role
RoleAggregate
RoleAggregateCreateData
RoleAggregates
RoleWithMeta
RollingGrowShrinkStrategyConfig
RollingStrategyConfig
RuleSetResponse
RulesetAssociations
RunnerBuildInfo
RunnerContainerInfo
RunnerInfo
RunnerOverview
RunnerRoleInfo
RunnerRolesInfo
SamlAttributeSettings
SamlIdpSettings
SamlSecurityRealmRoleMappingRule
SamlSecurityRealmRoleMappingRules
SamlSettings
SamlSpSettings
SearchRequest
SecurityDeployment
SecurityDeploymentCreateRequest
SecurityDeploymentTopology
SecurityRealmInfo
SecurityRealmInfoList
SecurityRealmsReorderRequest
SnapshotRepositoryConfiguration
SnapshotStatusInfo
StackVersionApmConfig
StackVersionAppSearchConfig
StackVersionArchiveProcessingError
StackVersionArchiveProcessingResult
StackVersionConfig
StackVersionConfigPost
StackVersionConfigs
StackVersionElasticsearchConfig
StackVersionEnterpriseSearchConfig
StackVersionInstanceCapacityConstraint
StackVersionKibanaConfig
StackVersionMetadata
StackVersionNodeType
StackVersionSiteSearchConfig
StackVersionTemplateFileHash
StackVersionTemplateInfo
TargetElasticsearchCluster
TermQuery
TiebreakerTopologyElement
TlsPublicCertChain
TokenResponse
TopologySize
TransientApmPlanConfiguration
TransientAppSearchPlanConfiguration
TransientElasticsearchPlanConfiguration
TransientKibanaPlanConfiguration
Updates
UsageStats
User
UserApiKey
UserFeatures
UserList
UserMetadata
UserSecurity
UserSecurityRealm
- Authentication
- Script reference
- Release notes
- Elastic Cloud Enterprise 2.4.3
- Elastic Cloud Enterprise 2.4.2
- Elastic Cloud Enterprise 2.4.1
- Elastic Cloud Enterprise 2.4.0
- Elastic Cloud Enterprise 2.3.2
- Elastic Cloud Enterprise 2.3.1
- Elastic Cloud Enterprise 2.3.0
- Elastic Cloud Enterprise 2.2.3
- Elastic Cloud Enterprise 2.2.2
- Elastic Cloud Enterprise 2.2.1
- Elastic Cloud Enterprise 2.2.0
- Elastic Cloud Enterprise 2.1.1
- Elastic Cloud Enterprise 2.1.0
- Elastic Cloud Enterprise 2.0.1
- Elastic Cloud Enterprise 2.0.0
- Elastic Cloud Enterprise 1.1.5
- Elastic Cloud Enterprise 1.1.4
- Elastic Cloud Enterprise 1.1.3
- Elastic Cloud Enterprise 1.1.2
- Elastic Cloud Enterprise 1.1.1
- Elastic Cloud Enterprise 1.1.0
- Elastic Cloud Enterprise 1.0.2
- Elastic Cloud Enterprise 1.0.1
- Elastic Cloud Enterprise 1.0.0
- Limitations and known problems
- What’s new with the Elastic Stack
- Elastic Stack 7.5.1 released
- Elastic Stack 7.5.0 released
- Elastic Stack 7.4.2 released
- Elastic Stack 7.4.1 released
- Elastic Stack 7.4.0 released
- Elastic Stack 7.3.2 released
- Elastic Stack 7.3.1 released
- Elastic Stack 7.3.0 released
- Elastic Stack 7.2.1 and 6.8.2 released
- Elastic Stack 7.2.0 released
- Elastic Stack 7.1.1 released
- Elastic Stack 7.1.0 released
- Elastic Stack 7.0.1 released
- Elastic Stack 7.0.0 released
- Elastic Stack 6.8.6 released
- Elastic Stack 6.8.5 released
- Elastic Stack 6.8.4 released
- Elastic Stack 6.8.3 released
- Elastic Stack 6.8.1 released
- Elastic Stack 6.8.0 released
- Elastic Stack 6.7.2 released
- Elastic Stack 6.7.1 released
- Elastic Stack 6.7.0 released
- Elastic Stack 6.6.2 released
- Elastic Stack 6.6.0 released
- Elastic Stack 6.5.4 released
- Elastic Stack 5.6.14 and 6.5.3 released
- Elastic Stack 6.5.2 released
- Elastic Stack 6.5.1 released
- Elastic Stack 6.5.0 released
- Elastic Stack 5.6.13 and 6.4.3 released
- Elastic Stack 5.6.11 and 6.4.0 released
- Elastic Stack 6.3.2 released
- Elastic Stack 6.3.1 released
- Known issue affecting 5.6.10 to 6.3.0 upgrades
- Elastic Stack 5.6.10 and 6.3.0 released
- About this product
It is time to say goodbye: This version of Elastic Cloud Enterprise has reached end-of-life (EOL) and is no longer supported.
The documentation for this version is no longer being maintained. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
Architecture
editArchitecture
editECE shares most of its codebase with Elastic Cloud. The key tenets of the architecture are:
- Service-oriented architecture
- Containerization using Docker
- Deployment state coordination using ZooKeeper
- Easy access through the Cloud UI
Service-oriented architecture
editAn ECE installation consists of a number of core services. This service-oriented architecture lets you:
- Scale the platform easily. Different services can have different reliability and performance requirements, as each service can be scaled separately.
- Access services via API, easing operational management and enabling changes and improvements to one service without affecting all the other services.
- Deploy each service independently in its own Docker container. Combined with fine-grained permissions to read and write application state, your whole installation is more secure. Even if a service is compromised, the damage is contained within a single container plus part of the application state.
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Proxies
Proxies handle user requests, mapping deployment IDs that are passed in request URLs for the container to the actual Elasticsearch cluster nodes and other instances. The association of deployment IDs to a container is stored in ZooKeeper, cached by the proxies. In the event of ZooKeeper downtime, the platform can still service the requests to existing deployments by using the cache.
Proxies are intelligent: if you have a highly available Elasticsearch cluster, so that your nodes are spread across two or three availability zones, proxies keep track of the state and availability of zones. If one of the zones goes down, then the proxy handling your user request will not route any requests there.
Proxies help with no-downtime scaling and upgrades. Before performing an upgrade, a snapshot is taken, and then new nodes with a new configuration or a new quota are spun up. The data is migrated to the new nodes using standard Elasticsearch features. When the migration is complete, a proxy switches the traffic to the new nodes and disconnects the old ones.
Note that you should put your own load balancer in front the proxies to make sure that the system remains available, even if one of the proxies goes down.
Allocators
Allocators let you scale the ECE installation. They run on all the machines that you want to host Elasticsearch nodes and Kibana instances on. Containers with Elasticsearch cluster nodes are then run on the machines managed by allocators.
Allocators advertise the resources of the underlying host machine in ZooKeeper. They control the lifecycle of cluster nodes by:
- Creating new containers and starting Elasticsearch nodes when requested
- Restarting a node if it becomes unresponsive
- Removing a node if it is no longer needed
Using Docker containers guarantees shares of resources for the underlying deployments, which mitigates the noisy neighbor effect where one busy deployment can overwhelm the entire host. The CPU resources that get assigned to an Elasticsearch cluster are relative to the size of a cluster, so that larger clusters get assigned a larger share of CPU resources than smaller ones. For example, a cluster with 32GB of RAM gets assigned twice as many CPU resources as a cluster with 16GB of RAM.
Management services
Sometimes also referred to as the control plane of ECE, these services control include several core components of ECE:
-
Constructors: Provide the requests that allocators respond to when they manage containers and Elasticsearch nodes. Each constructor monitors new requests from the administration console, which supports the Cloud UI and the RESTful API that you use to manage ECE, determines what needs to be changed, and writes the changes to ZooKeeper nodes monitored by the allocators. Constructors also assign cluster nodes to allocators.
If you select a deployment plan with high availability, the constructor will place cluster nodes and instances within different availability zones to ensure that the deployment can survive any downtime of a whole zone. You can designate these availability zones when you install ECE. Additionally, the constructor maximizes the utilization of underlying allocators to reduce the need to spin up extra hardware for new deployments.
-
ZooKeeper and directors: ZooKeeper coordinates the state of Elastic Cloud Enterprise and the state of all deployments running in your installation. Within ECE, ZooKeeper is managed by directors.
Directors sign the CSRs (certificate signing requests) for internal clients that want to communicate with ZooKeeper. They also maintain the stunnels used by ZooKeeper for communication, and they are involved in establishing quorum when new ZooKeeper nodes are created.
- Cloud UI and API: Provides web and API access to administrative functions for Elastic Cloud Enterprise.. Underneath, the administration console provides the necessary support for both the Cloud UI and the API.
Containerization using Docker
editServices are deployed as Docker containers, which simplifies the operational effort and makes it easy to provision similar environments for development and staging. Each cluster node is run within a Docker container to make sure that all of the nodes have access to a guaranteed share of host resources.
Containerization also improves security. On the assumption that any cluster can be compromised, containers are given no access to the platform. The same is true for the services: each service can read or write only those parts of the system state that are relevant to it. Even if some services are compromised, the attacker won’t get hold of the keys to the rest of them and will not compromise the whole platform.
Stunnel
Docker containers communicate securely with one another via Transport Layer Security, provided by Stunnel (as not all of the services or components support TLS natively). Tunneling all traffic between containers makes sure that it is not possible to eavesdrop, even when someone else has access to the underlying cloud or network infrastructure.
Deployment state coordination using ZooKeeper
editZooKeeper stores the state of the ECE installation and the state of all deployments running in ECE. ZooKeeper is also the event bus coordinating all the other services.
ZooKeeper is a distributed, strongly consistent data store. It offers a file system-like structure, where each node is both a folder with subordinate items and a file that holds data. These nodes are called znodes to differentiate them from the physical nodes that ZooKeeper runs on.
ZooKeeper is designed to remain consistent even in the event of network partitions: a write operation is rejected unless it can be confirmed by a majority of ZooKeeper servers, and write operations are linear. You can set watches on znodes so that ZooKeeper can serve as an event bus where one service can notify another by writing to an observed znode. Znodes can have associated access control lists (ACLs) which provide fine-grained access to the system state for various services. For example, the constructor can write deployment plans, but allocators can only read them.
Easy access for admins through the Cloud UI and API
editThe Cloud user interface provides web-based access for administrators to manage and monitor your ECE installation. Many of the functions provided by the Cloud UI are also available through the API.
Examples of tasks you can perform from the Cloud UI and the API include:
- Administering installation-wide settings, working with runners (hosts you have installed ECE on), and configuring your deployment.
- Monitoring your ECE installation using Filebeat and Metric beat data.
- Creating and working with Elasticsearch clusters and Kibana.
As a companion piece to the Cloud UI, we also provide an API that supports many of the same functions. To learn more about the API, see our API Reference.
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