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values.yaml
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values.yaml
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# Copyright (c) 2023 Contributors to the Eclipse Foundation
#
# See the NOTICE file(s) distributed with this work for additional
# information regarding copyright ownership.
#
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License 2.0 which is available at
# http://www.eclipse.org/legal/epl-2.0
#
# SPDX-License-Identifier: EPL-2.0
---
# Default values for ditto.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
serviceAccount:
# create controls whether a service account should be created
create: true
# name is the name of the service account to use
# If not set and create is true, a name is generated using the fullname template
name:
# isUseAwsIamRole specifies whether to use an AWS IAM Role for Service Accounts (IRSA).
# Set to true to use IRSA, which allows the pod to assume an IAM role.
# When set to true, ensure that roleArn is specified.
isUseAwsIamRole: false
# roleArn is the Amazon Resource Name (ARN) of the IAM role to be assumed by the service account.
# This is required if isUseAwsIamRole is set to true.
# Example: arn:aws:iam::<account-id>:role/<role-name>
roleArn: ""
rbac:
# enabled controls whether RBAC resources will be created
enabled: true
nameOverride: ""
fullnameOverride: ""
## ----------------------------------------------------------------------------
## global configuration shared by all components
global:
# cluster holds the configuration for the Ditto/Pekko cluster
cluster:
# requiredContactPoints defines the total amount of replicas in the Ditto cluster
# only if this amount is "seen" during cluster formation, the cluster can form itself
requiredContactPoints: 5
# ddata holds the "Distributed Data" configuration:
ddata:
# numberOfShards defines whether ddata structures should be shared (if >1)
# this is needed in case a lot of event subscribers (thousands) are connected simultaneously
numberOfShards: 1
# maxDeltaElements defines how many elements should be synced with a single cluster message
# if numberOfShards is > 1, it makes sense to keep maxDeltaElements lower
# so that the message size for remoting is not exceeding the configured max message size
maxDeltaElements: 1
# numberOfShards configures the sharding applied for things/policies/connections based on their ID
# as a rule of thumb: should be factor ten of the amount of cluster replicas for an entity
numberOfShards: 50
# downingStableAfter is a configuration of the Pekko SBR (split brain resolver)
# how to find the right value: https://pekko.apache.org/docs/pekko/current/split-brain-resolver.html
downingStableAfter: 15s
# downAllWhenUnstable is a configuration of the Pekko SBR (split brain resolver)
downAllWhenUnstable: "on"
# limits contains information about limit configuration, e.g. towards max. entity and payload sizes
limits:
# clusterMaxFramesize the maximum serialized message size in the cluster, including header data, default: 256 KiB
clusterMaxFramesize: 256k
# thingsMaxSize the maximum possible size of "Thing" entities, default: 100k
thingsMaxSize: 100k
# policiesMaxSize the maximum possible size of "Policy" entities, default: 100k
policiesMaxSize: 100k
# policiesMaxImports the maximum possible number of allowed imports a Policy can have
policiesMaxImports: 10
# messagesMaxSize the maximum possible size of "Messages" (their payload), default: 250k
messagesMaxSize: 250k
# maxHeadersSize the maximum possible size of Ditto headers (e.g. all HTTP headers are mapped to Ditto headers), default: 5k
maxHeadersSize: 5k
# maxAuthSubjectsCount the maximum possible number of authorization subjects in Ditto headers, default: 100
maxAuthSubjectsCount: 100
# basicAuthUsers configures several user/password combinations which the nginx of the Ditto chart will authenticate
basicAuthUsers:
# - user: ditto
# password: ditto
# - user: jane
# password: janesPw
# existingSecret contains the name of existing secret containing user and password
# format: ${user}:${password}, where secret key is ${user} and value is ${password}
# example creating secret for users ditto and jane:
# kubectl create secret generic ditto-basic-auth --from-literal ditto=ditto --from-literal jane=janesPw
# if not set then basicAuthUsers values are used.
existingSecret:
# hashedBasicAuthUsers configures a list of hashed .htpasswd username/password entries
hashedBasicAuthUsers: []
# jwtOnly controls whether only OpenID-Connect authentication is supported
# if false, both OpenID-Connect and basicAuth via nginx (see above "basicAuthUsers" and "hashedBasicAuthUsers") is used
# ref: https://www.eclipse.dev/ditto/installation-operating.html#openid-connect
jwtOnly: false
# jvmOptions defines the JVM options applied to all Ditto services running in the JVM, it is put in JAVA_TOOL_OPTIONS
jvmOptions: >
-XX:+ExitOnOutOfMemoryError
-XX:+UseContainerSupport
-XX:+UseStringDeduplication
-Xss512k
-XX:MaxMetaspaceSize=256m
-XX:+UseG1GC
-Djava.net.preferIPv4Stack=true
pekkoOptions: >
-Dpekko.management.cluster.bootstrap.contact-point-discovery.port-name=management
-Dpekko.cluster.failure-detector.threshold=15.0
-Dpekko.cluster.failure-detector.expected-response-after=3s
-Dpekko.cluster.failure-detector.acceptable-heartbeat-pause=7s
-Dpekko.persistence.journal-plugin-fallback.recovery-event-timeout=30s
-Dpekko.persistence.max-concurrent-recoveries=100
-Dpekko.cluster.sharding.updating-state-timeout=20s
-Dpekko.cluster.shutdown-after-unsuccessful-join-seed-nodes=120s
# timezone defines the timezone to configure the JVM with
timezone: Europe/Berlin
# imagePullSecrets will be added to every deployment
imagePullSecrets: []
# proxyPart configures a reverse proxy part to be added in front of the Ditto API endpoints:
proxyPart: ""
# prometheus holds the Prometheus specific configuration
prometheus:
# enabled controls whether scrape config annotation will be added to pod templates
enabled: true
# path where prometheus metric will be provided
path: "/"
# port where prometheus metrics will be provided
port: 9095
# logging the logging configuration for Ditto
logging:
# sysout holds the logging to SYSOUT config
sysout:
# enabled defines whether to log to SYSOUT
enabled: true
# logstash configures if logs should be pushed to a logstash endpoint
logstash:
# enabled defines whether to log to logstash
enabled: false
# endpoint configures the logstash endpoint to send logs to
endpoint: ""
# logstash write buffer size
writeBufferSize: 8192
# logstash ring buffer size
ringBufferSize: 8192
# logFiles defines logging to log files config
logFiles:
# enabled whether to write logs to log files
# log files can be found on the host under /var/log/ditto
enabled: false
# customConfigFile configures that a custom "Logback" config file should be used instead of the one bundled
# with Ditto on the classpath
customConfigFile:
# enabled if enabled, a custom logback.xml file added to the Ditto containers will be used for logging configuration
enabled: true
# fileName passed as Java system property "-Dlogback.configurationFile"
fileName: logback.xml
# metrics configuration for Ditto
metrics:
# metricsPrefix defines a prefix to use for all Ditto created metrics (counters, gauges, histograms)
metricsPrefix: ""
# systemMetrics contains the configuration for obtaining system metrics (via Kamon)
systemMetrics:
# enabled if enabled, system metrics are gathered
enabled: true
# tracing configuration for Ditto
tracing:
# enabled whether tracing (via OpenTelemetry) is enabled
enabled: false
# otelTraceReporterEnabled whether reporting traces via the OLTP endpoint should be activated
otelTraceReporterEnabled: false
# otelExporterOtlpEndpoint the OTLP endpoint to report traces to
otelExporterOtlpEndpoint: "http://localhost:4317"
# sampler the tracing sampler to use
# can be one of:
# - always: report all traces.
# - never: don't report any trace.
# - random: randomly decide using the probability defined in the random-sampler.probability setting.
# - adaptive: keeps dynamic samplers for each operation while trying to achieve a set throughput goal.
sampler: never
# randomSampler configures the 'random' sampler
randomSampler:
# probability configures the probability of a span being sampled, must be a value between 0 and 1
probability: 0.01
# adaptiveSampler configures the 'adaptive' sampler
adaptiveSampler:
# throughput the throughput goal trying to achieve with the adaptive sampler
throughput: 600
# podDeletionCostPatching hold configuration for whether to patch "oldest" members of the Ditto cluster with higher
# k8s pod-deletion-cost annotations so that they are downed last when e.g. doing an upgrade
podDeletionCostPatching:
# enabled whether the pod-deletion-cost annotation patching should be enabled
enabled: true
# annotations defines k8s annotations to add to corresponding jobs
annotations: {}
image:
# repository for the pod-deletion-cost annotation patching job docker image
repository: public.ecr.aws/h0h9t7p1/alpine-bash-curl-jq
# tag for the pod-deletion-cost annotation patching job docker image
tag: latest
# pullPolicy for the pod-deletion-cost annotation patching job docker image
pullPolicy: IfNotPresent
## ----------------------------------------------------------------------------
## dbconfig for mongodb connections
## will be handled as k8s secret as connection uri might contain auth credentials
dbconfig:
# policies the MongoDB configuration for Ditto "policies" service
policies:
uri: mongodb://#{PLACEHOLDER_MONGODB_HOSTNAME}#:27017/ditto
ssl: false
# things the MongoDB configuration for Ditto "things" service
things:
uri: mongodb://#{PLACEHOLDER_MONGODB_HOSTNAME}#:27017/ditto
ssl: false
# connectivity the MongoDB configuration for Ditto "connectivity" service
connectivity:
uri: mongodb://#{PLACEHOLDER_MONGODB_HOSTNAME}#:27017/ditto
ssl: false
# thingsSearch the MongoDB configuration for Ditto "things-search" service
thingsSearch:
uri: mongodb://#{PLACEHOLDER_MONGODB_HOSTNAME}#:27017/ditto
ssl: false
## If following property is set, an existing secret will be used to retrieve the mongodb connectionUris from.
# uriSecret: my-uri-secret
## ----------------------------------------------------------------------------
## ingress configures the Ingress
ingress:
# enabled whether Ingress should be enabled as alternative to the contained nginx
enabled: false
# className is the 'ingressClassName' to configure in the Ingress spec
className: nginx
# host the hostname of the Ingress shared for all: api, ws and ui
host: localhost
# defaultBackendSuffix the suffix to add to the internal fullname to use as Ingress "defaultBackend"
defaultBackendSuffix: nginx
# annotations common annotations for all 3 Ingresses of Ditto
controller:
# enabled whether Ingress controller should be enabled
enabled: false
# replicaCount configuration for the ingress controller
replicaCount: 1
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 1
# minReadySeconds configures the minimum number of seconds for which a newly created Pod should be ready without any
# of its containers crashing, for it to be considered available
# ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#min-ready-seconds
minReadySeconds: 10
# as NGINX Ingress Controller on its pod shutdown tends to interrupt connections, we need to include
# some wait time so that existing connections are fully handled before the pod is really shut down.
# ref: https://medium.com/codecademy-engineering/kubernetes-nginx-and-zero-downtime-in-production-2c910c6a5ed8
preStopWait: 15
# specify how many old ReplicaSets for ingress controller deployment will be retained
# ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#clean-up-policy
revisionHistoryLimit: 5
# resources configures the resources available/to use for the policies service
resources:
# cpu defines the "required" CPU of a node so that the service is placed there
cpu: 0.75
# memoryMi defines the memory in mebibyte (MiB) used as "required" and "limit" in k8s
memoryMi: 1024
# namespace for ingress controller, managed by helm, should not be created manually
namespace: ingress-nginx
# Ingress-NGINX version. Check Supported Versions table from https://github.com/kubernetes/ingress-nginx to match k8s version.
nginxIngressVersion: "v1.9.0"
# Nginx Version. Check Supported Versions table from https://github.com/kubernetes/ingress-nginx to match k8s version.
nginxVersion: "1.21.6"
# Pod topology spread constraints for nginx-ingress controller
# ref: https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/
topologySpreadConstraints:
maxSkew: 1
topologyKey: topology.kubernetes.io/zone
whenUnsatisfiable: ScheduleAnyway
annotations:
nginx.ingress.kubernetes.io/service-upstream: "true"
nginx.ingress.kubernetes.io/server-snippet: |
charset utf-8;
default_type application/json;
chunked_transfer_encoding off;
send_timeout 70; # seconds, default: 60
client_header_buffer_size 8k; # allow longer URIs + headers (default: 1k)
large_client_header_buffers 4 16k;
proxy_http_version 1.1;
proxy_set_header X-Forwarded-Host $http_host;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host $host;
# api the /api, /stats and /overall Ingress configuration
api:
# paths configures ingress paths
paths:
# negative lookahead, so we don't accept /api/2/connections, which is devops responsibility
- path: /api/2/(?!connections)
pathType: ImplementationSpecific
backendSuffix: gateway
- path: /stats
backendSuffix: gateway
- path: /overall
backendSuffix: gateway
kubernetesAuthAnnotations: |
nginx.ingress.kubernetes.io/auth-type: basic
nginx.ingress.kubernetes.io/auth-secret: {{ .Release.Name }}-nginx-ingress-htpasswd
nginx.ingress.kubernetes.io/auth-realm: 'Authentication required to use HTTP API!'
# annotations defines k8s annotations to add to the Ingress
annotations:
nginx.ingress.kubernetes.io/proxy-connect-timeout: "10"
nginx.ingress.kubernetes.io/proxy-send-timeout: "70"
nginx.ingress.kubernetes.io/proxy-read-timeout: "70"
nginx.ingress.kubernetes.io/proxy-next-upstream: "error timeout http_502"
nginx.ingress.kubernetes.io/proxy-next-upstream-tries: "4"
nginx.ingress.kubernetes.io/proxy-next-upstream-timeout: "50"
nginx.ingress.kubernetes.io/proxy-buffer-size: "16k"
nginx.ingress.kubernetes.io/configuration-snippet: |
set $cors '1';
if ($request_method = 'OPTIONS') {
set $cors "${cors}o";
}
if ($cors = '1') {
add_header 'Access-Control-Allow-Origin' '$http_origin' always;
add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
add_header 'Access-Control-Allow-Credentials' 'true' always;
add_header 'Access-Control-Allow-Headers' '$http_access_control_request_headers' always;
add_header 'Access-Control-Expose-Headers' '*' always;
}
if ($cors = '1o') {
# Tell client that this pre-flight info is valid for 20 days
add_header 'Access-Control-Max-Age' 1728000;
add_header 'Access-Control-Allow-Origin' '$http_origin' always;
add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
add_header 'Access-Control-Allow-Credentials' 'true' always;
add_header 'Access-Control-Allow-Headers' '$http_access_control_request_headers' always;
add_header 'Access-Control-Expose-Headers' '*' always;
add_header 'Content-Type' 'text/plain charset=UTF-8';
add_header 'Content-Length' 0;
return 200;
}
if ($request_method = 'OPTIONS') {
add_header 'Content-Type' 'text/plain charset=UTF-8';
return 405 "Origin $http_origin is not in CORS allow-list, contact your admin to get it added";
}
# security relevant headers:
add_header "Content-Security-Policy" "default-src 'none'; frame-ancestors 'none'" always;
add_header "Strict-Transport-Security" "max-age=63072000; includeSubdomains;" always;
add_header "Cache-Control" "no-cache" always;
add_header "X-Content-Type-Options" "nosniff" always;
add_header "X-Frame-Options" "SAMEORIGIN" always;
add_header "X-XSS-Protection" "1; mode=block" always;
# set ditto-specific forwarded headers
proxy_set_header X-Forwarded-User $remote_user;
proxy_set_header x-ditto-pre-authenticated "nginx:$remote_user";
# ws the /ws (WebSocket) Ingress configuration
ws:
# paths configures ingress paths
paths:
- path: /ws
backendSuffix: gateway
# annotations defines k8s annotations to add to the Ingress
annotations:
nginx.ingress.kubernetes.io/proxy-send-timeout: "86400"
nginx.ingress.kubernetes.io/proxy-read-timeout: "86400"
nginx.ingress.kubernetes.io/proxy-next-upstream: "error timeout http_502"
nginx.ingress.kubernetes.io/proxy-next-upstream-tries: "4"
nginx.ingress.kubernetes.io/proxy-next-upstream-timeout: "50"
nginx.ingress.kubernetes.io/proxy-buffering: "off"
# the / Ingress configuration for serving the landing page and static resources
root:
# paths configures ingress paths
paths:
- path: /
pathType: Exact
backendSuffix: nginx
- path: /index.html
pathType: Exact
backendSuffix: nginx
- path: /ditto-up.svg
pathType: Exact
backendSuffix: nginx
- path: /ditto-down.svg
pathType: Exact
backendSuffix: nginx
# annotations defines k8s annotations to add to the Ingress
annotations:
nginx.ingress.kubernetes.io/proxy-connect-timeout: "10"
nginx.ingress.kubernetes.io/configuration-snippet: |
# security relevant headers:
add_header "Content-Security-Policy" "default-src 'self'; script-src-elem 'self' 'sha256-Kq9eqc/CtX2tgHPLJUEf8vDO9eNiGaRBrwAYYXTroVc=' https://cdnjs.cloudflare.com https://cdn.jsdelivr.net; style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com; worker-src 'self' blob:; object-src 'none';" always;
add_header "Strict-Transport-Security" "max-age=63072000; includeSubdomains;" always;
add_header "Cache-Control" "no-cache" always;
add_header "X-Content-Type-Options" "nosniff" always;
add_header "X-Frame-Options" "SAMEORIGIN" always;
add_header "X-XSS-Protection" "1; mode=block" always;
# ui the /ui and /apidoc Ingress configuration
ui:
# paths configures ingress paths
paths:
- path: /
pathType: Exact
backendSuffix: nginx
- path: /apidoc(/|$)(.*)
pathType: ImplementationSpecific
backendSuffix: swaggerui
- path: /ui(/|$)(.*)
pathType: ImplementationSpecific
backendSuffix: dittoui
# annotations defines k8s annotations to add to the Ingress
annotations:
nginx.ingress.kubernetes.io/use-regex: "true"
nginx.ingress.kubernetes.io/rewrite-target: /$2
nginx.ingress.kubernetes.io/proxy-connect-timeout: "10"
nginx.ingress.kubernetes.io/configuration-snippet: |
# security relevant headers:
add_header "Content-Security-Policy" "default-src 'self'; script-src-elem 'self' 'sha256-Ve/Ec/6YDEeTc+9y+QCJ+e9OhyGWAj3bYxCzNGfOn6U=' 'sha256-Kq9eqc/CtX2tgHPLJUEf8vDO9eNiGaRBrwAYYXTroVc=' https://cdnjs.cloudflare.com https://cdn.jsdelivr.net; style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com; img-src 'self' data: https://raw.githubusercontent.com; font-src 'self' https://cdnjs.cloudflare.com; worker-src 'self' blob:; connect-src 'self' localhost http://localhost:8080; object-src 'none';" always;
add_header "Strict-Transport-Security" "max-age=63072000; includeSubdomains;" always;
add_header "Cache-Control" "no-cache" always;
add_header "X-Content-Type-Options" "nosniff" always;
add_header "X-Frame-Options" "SAMEORIGIN" always;
add_header "X-XSS-Protection" "1; mode=block" always;
rewrite ^(/ui)$ $1/ permanent;
rewrite ^(/apidoc)$ $1/ permanent;
# devops the /devops, /api/2/connections, /status and /health commands Ingress configuration
devops:
# paths configures ingress paths
paths:
- path: /devops
backendSuffix: gateway
- path: /status
backendSuffix: gateway
- path: /health
backendSuffix: gateway
- path: /api/2/connections
backendSuffix: gateway
# annotations defines k8s annotations to add to the Ingress
# if undefined, api ingress annotations are reused
annotations:
# tls configures the TLS for ingress
tls: []
# - secretName: ditto-tls
# hosts:
# - localhost
## ----------------------------------------------------------------------------
## openshift configures the OpenShift deployment
openshift:
# enabled whether to deploy to OpenShift
enabled: false
# routes the OpenShift Routes
routes:
# enabled whether OpenShift routes are enabled
enabled: false
# annotations define k8s annotations to apply for the routes
annotations: {}
# host: ""
# targetPort configures the target port
targetPort: http
# tlsTermination: "edge"
# tlsInsecurePolicy: "Redirect"
# securityContext the security context for OpenShift
securityContext: {}
## ----------------------------------------------------------------------------
## pekko holds the Pekko actor configuration
## ref: https://pekko.apache.org/docs/pekko/current/typed/index.html
pekko:
# actorSystemName defines the actor/cluster name of the Ditto cluster
actorSystemName: ditto-cluster
# remoting holds configuration for the Pekko cluster remoting
remoting:
# port defines the Port to use for remoting
port: 2551
# mgmthttp holds configuration for the Pekko cluster management
mgmthttp:
# port defines the Port to use for pekko http management
port: 7626
# Set "dittoTag" in order to specify another Ditto version to use for all Ditto services:
# you may also use "1" (for latest Ditto 1.x.x) or "1.5" (for latest Ditto 1.5.x)
# dittoTag: 3.3.0
## ----------------------------------------------------------------------------
## policies configuration
## ref: https://www.eclipse.dev/ditto/architecture-services-policies.html
policies:
# enabled controls whether policies related resources should be created
enabled: true
# replicaCount configuration for policies
replicaCount: 1
# updateStrategy configuration for policies
# ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#strategy
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
# minReadySeconds configures the minimum number of seconds for which a newly created Pod should be ready without any
# of its containers crashing, for it to be considered available
# ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#min-ready-seconds
minReadySeconds: 10
# additionalLabels configuration for policies
additionalLabels: {}
# additionalAnnotations configuration for policies
additionalAnnotations: {}
image:
# repository for the policies docker image
repository: docker.io/eclipse/ditto-policies
# tag for the policies docker image - overwrite to specify something else than Chart.AppVersion
# tag: 3.3.0
# pullPolicy for the policies docker image
pullPolicy: IfNotPresent
# additionalJvmOptions JVM options to put into JAVA_TOOL_OPTIONS
additionalJvmOptions: ""
# systemProps used to define arbitrary system properties for policies service
# ref: https://www.eclipse.dev/ditto/installation-operating.html#configuration
systemProps:
# extraEnv to add arbitrary environment variable to policies container
extraEnv:
# - name: LOG_LEVEL_APPLICATION
# value: "DEBUG"
extraVolumes:
# - name: policies-extension
# configMap:
# name: policies-extension.jar
extraVolumeMounts:
# - name: policies-extension
# mountPath: /opt/ditto/policies-extension.jar
# subPath: policies-extension.jar
# resources configures the resources available/to use for the policies service
resources:
# cpu defines the "required" CPU of a node so that the service is placed there
cpu: 0.5
# memoryMi defines the memory in mebibyte (MiB) used as "required" and "limit" in k8s
memoryMi: 1024
# jvm contains JVM specific scaling/tuning configuration of e.g. processors and garbage collector settings
jvm:
# activeProcessorCount defines how many processors the JVM should be configured to use
# this is e.g. relevant for the GC which calculates the amount of asynchronous threads for GC based on the processor count
activeProcessorCount: 2
# heapRamPercentage defines how much memory of the configured "resources.memoryMi" can be used by the JVM heap space
# be aware that the JVM also requires memory for "off heap" (and also stack) space + the container needs memory as well
heapRamPercentage: 60
# maxGcPauseMillis configures the used G1 GC "target for the maximum GC pause time"
# default (by JVM if not set): 200
maxGcPauseMillis: 150
# readinessProbe configuration for policies
# ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes
readinessProbe:
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 3
successThreshold: 1
failureThreshold: 3
# livenessProbe configuration for policies
# ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes
livenessProbe:
initialDelaySeconds: 160
periodSeconds: 10
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 4
# podDisruptionBudget configuration for policies
# ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
podDisruptionBudget:
# enabled controls whether policies related PodDisruptionBudget should be created
enabled: true
# minAvailable number of replicas during voluntary disruptions
minAvailable: 1
# priorityClassName configuration for policies
# ref: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/#priorityclass
priorityClassName: ""
# nodeSelector configuration for policies
# ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
nodeSelector: {}
# tolerations configuration for policies
# ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
tolerations: []
# affinity configuration for policies
# ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
affinity: {}
# Pod topology spread constraints for policies
# ref: https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/
topologySpreadConstraints:
maxSkew: 1
topologyKey: topology.kubernetes.io/zone
whenUnsatisfiable: ScheduleAnyway
# podMonitor configuration for policies
podMonitor:
# enabled configures whether Pod Monitor is enabled, then a resource to scrape policies metrics will be created
enabled: false
# interval: 30s
# scrapeTimeout: 15s
# config holds policies specific configuration
config:
# mongodb holds mongodb specific configuration of policies
mongodb:
# minPoolSize configures the minimum number of connections in the connection pool
minPoolSize: 10
# maxPoolSize configures the minimum number of connections in the connection pool
maxPoolSize: 200
# maxPoolIdleTime configures the maximum amount of time a pooled connection is allowed to idle before closing the connection
maxPoolIdleTime: 10m
# journalWriteConcern the MongoDB write concern to apply for writing operations on the event journal
# one of: Unacknowledged | Acknowledged | Journaled | ReplicaAcknowledged | W1 | W2 | W3
# caution: Acknowledged refers to the MongoDB server's configured "default write concern"
journalWriteConcern: "Journaled"
# snapsWriteConcern the MongoDB write concern to apply for writing operations on the snapshots persistence
# one of: Unacknowledged | Acknowledged | Journaled | ReplicaAcknowledged | W1 | W2 | W3
# caution: Acknowledged refers to the MongoDB server's configured "default write concern"
snapsWriteConcern: "Journaled"
# journalCircuitBreaker configures the circuit breaker for MongoDB operations on the event journal
journalCircuitBreaker:
# maxTries opens the circuit breaker if an exception during persisting an event occurs this often
# a successful write resets the counter
maxTries: 10
# timeout configures the MongoDB write timeouts also causing the circuit breaker to open
timeout: 10s
# reset after this time in "Open" state, the circuit breaker is "Half-opened" again
reset: 5s
# snapsCircuitBreaker configures the circuit breaker for MongoDB operations on the snapshots persistence
snapsCircuitBreaker:
# maxTries opens the circuit breaker if an exception during persisting a snapshot occurs this often
# a successful write resets the counter
maxTries: 10
# timeout configures the MongoDB write timeouts also causing the circuit breaker to open
timeout: 20s
# reset after this time in "Open" state, the circuit breaker is "Half-opened" again
reset: 8s
# cleanup contains the configuration for the background cleanup of stale snapshots and events
cleanup:
# enabled configures whether background cleanup is enabled or not
# if enabled, stale "snapshot" and "journal" entries will be cleaned up from the MongoDB by a background process:
enabled: false
# quietPeriod defines how long to stay in a state where the background cleanup is not yet started
quietPeriod: 5m
# history contains configuration regarding the event history
history:
# retentionDuration configures the duration of how long to "keep" events and snapshots before being allowed to remove them in scope of cleanup
retentionDuration: 30d
# metricsReporter config of MongoMetricsReporter which is used by policies in order to report current persistence
# roundtrip times in order to determine credits to cleanup stale data (journal entries, snapshots)
metricsReporter:
# resolution configures how far apart each measurement should be done
resolution: 1s
# history configures how many historical items to keep
history: 5
# interval configures how often a "credit decision" is made
interval: 1s
# timerThreshold configures the maximum database latency to give out credit for cleanup actions
timerThreshold: 100ms
# creditsPerBatch configures how many "cleanup credits" should be generated per "interval" as long as the
creditsPerBatch: 5
# deleteFinalDeletedSnapshot configures whether for a deleted entity, the final snapshot (containing the
# "deleted" information) should be deleted or not.
# If the final snapshot is not deleted, re-creating the entity will cause that the recreated entity starts with
# a revision number 1 higher than the previously deleted entity. If the final snapshot is deleted as well,
# recreation of an entity with the same ID will lead to revisionNumber=1 after its recreation.
deleteFinalDeletedSnapshot: true
# readJournal holds configuration regarding the MongoReadJournal and e.g. the aggregation queries which are performed in it
readJournal:
# indexes contains configuration about additional indexes to create
indexes:
# createSnapshotAggregationIndexPidId whether to create the "pid"+"_id" compound index on the snapshot collection
createSnapshotAggregationIndexPidId: false
# createSnapshotAggregationIndexPidSn whether to create the "pid"+"sn" compound index on the snapshot collection
createSnapshotAggregationIndexPidSn: false
# createSnapshotAggregationIndexPidSn whether to create the "pid"+"sn"+"_id" compound index on the snapshot collection
createSnapshotAggregationIndexPidSnId: false
# hints contains hint names to configure for different aggregation calls done in MongoReadJournal
hints:
# filterPidsThatDoesntContainTagInNewestEntry contains the hint name to use in the aggregation query
filterPidsThatDoesntContainTagInNewestEntry: null
# listLatestJournalEntries contains the hint name to use in the aggregation query
listLatestJournalEntries: null
# listNewestActiveSnapshotsByBatchPidId contains the hint name to use in the aggregation query where the $match contains both "pid" and "_id"
listNewestActiveSnapshotsByBatchPidId: null
# listNewestActiveSnapshotsByBatchPidId contains the hint name to use in the aggregation query where the $match contains only "pid"
listNewestActiveSnapshotsByBatchPid: null
# listNewestActiveSnapshotsByBatchPidId contains the hint name to use in the aggregation query where the $match contains only "_id"
listNewestActiveSnapshotsByBatchId: null
# persistence holds configuration regarding (pekko) persistence of policies (event journal and snapshots)
persistence:
# activityCheckInterval configures to keep policies for that amount of time in memory when no other use did happen:
activityCheckInterval: 2d
# pingRate used to throttle pinging of PolicyPersistenceActors, so that not all PolicyPersistenceActors are recovered at the same time:
pingRate:
# frequency the frequency of sent "pings" to PolicyPersistenceActors
frequency: 1s
# entities the amount of entities to wake up per "frequency" interval
entities: 50
# events contains event journal specific configuration
events:
# historicalHeadersToPersist define the DittoHeaders to persist when persisting events to the journal
# those can e.g. be retrieved as additional "audit log" information when accessing a historical Policy revision
historicalHeadersToPersist:
# - "ditto-originator"
# - "ditto-origin"
# - "correlation-id"
# snapshots contains snapshots persistence specific configuration
snapshots:
# interval configures the interval when to do snapshot for a Policy which had changes to it
interval: 15m
# threshold configures the threshold after how many changes to a Policy to do a snapshot
threshold: 5
# entityCreation by default, Ditto allows anyone to create a new entity (policy in this case) in any namespace.
# However, this behavior can be customized, and the ability to create new entities can be restricted:
entityCreation:
# grants contains the list of creation config entries which would allow the creation of entities
# An empty list would *not* allow any entity to be created.
# You must have at least one entry, even if it is without restrictions.
grants:
- # namespaces holds the list of namespaces this entry applies to. An empty list would match any.
# Wildcards `*` (Matching any number of any character) and `?` (Matches any single character) are supported in entries of this list.
namespaces: []
# authSubjects holds list of authentication subjects this entry applies to. An empty list would match any.
# Wildcards `*` (Matching any number of any character) and `?` (Matches any single character) are supported in entries of this list.
authSubjects: []
# revokes contains the list of creation config entries which would reject the creation of entities
revokes: []
# - namespaces: []
# authSubjects: []
## ----------------------------------------------------------------------------
## things configuration
## ref: https://www.eclipse.dev/ditto/architecture-services-things.html
things:
# enabled controls whether things related resources should be created
enabled: true
# replicaCount configuration for things
replicaCount: 1
# updateStrategy configuration for things
# ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#strategy
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
# minReadySeconds configures the minimum number of seconds for which a newly created Pod should be ready without any
# of its containers crashing, for it to be considered available
# ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#min-ready-seconds
minReadySeconds: 10
# additionalLabels configuration for things
additionalLabels: {}
# additionalAnnotations configuration for things
additionalAnnotations: {}
image:
# repository for the things docker image
repository: docker.io/eclipse/ditto-things
# tag for the things docker image - overwrite to specify something else than Chart.AppVersion
# tag: 3.3.0
# pullPolicy for the things docker image
pullPolicy: IfNotPresent
# additionalJvmOptions JVM options to put into JAVA_TOOL_OPTIONS
additionalJvmOptions: ""
# systemProps used to define arbitrary system properties for things service
# ref: https://www.eclipse.dev/ditto/installation-operating.html#configuration
systemProps:
# extraEnv to add arbitrary environment variable to things container
extraEnv:
# - name: LOG_LEVEL_APPLICATION
# value: "DEBUG"
extraVolumes:
# - name: things-extension
# configMap:
# name: things-extension.jar
extraVolumeMounts:
# - name: things-extension
# mountPath: /opt/ditto/things-extension.jar
# subPath: things-extension.jar
# resources configures the resources available/to use for the things service
resources:
# cpu defines the "required" CPU of a node so that the service is placed there
cpu: 0.5
# memoryMi defines the memory in mebibyte (MiB) used as "required" and "limit" in k8s
memoryMi: 1024
# jvm contains JVM specific scaling/tuning configuration of e.g. processors and garbage collector settings
jvm:
# activeProcessorCount defines how many processors the JVM should be configured to use
# this is e.g. relevant for the GC which calculates the amount of asynchronous threads for GC based on the processor count
activeProcessorCount: 2
# heapRamPercentage defines how much memory of the configured "resources.memoryMi" can be used by the JVM heap space
# be aware that the JVM also requires memory for "off heap" (and also stack) space + the container needs memory as well
heapRamPercentage: 60
# maxGcPauseMillis configures the used G1 GC "target for the maximum GC pause time"
# default (by JVM if not set): 200
maxGcPauseMillis: 150
# readinessProbe configuration for things
# ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes
readinessProbe:
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 3
successThreshold: 1
failureThreshold: 3
# livenessProbe configuration for things
# ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes
livenessProbe:
initialDelaySeconds: 160
periodSeconds: 10
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 4
# podDisruptionBudget configuration for things
# ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
podDisruptionBudget:
# enabled controls whether things related PodDisruptionBudget should be created
enabled: true
# minAvailable number of replicas during voluntary disruptions
minAvailable: 1
# priorityClassName configuration for policies
# ref: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/#priorityclass
priorityClassName: ""
# nodeSelector configuration for things
# ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
nodeSelector: {}
# tolerations configuration for things
# ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
tolerations: []
# affinity configuration for things
# ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
affinity: {}
# Pod topology spread constraints for things
# ref: https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/
topologySpreadConstraints:
maxSkew: 1
topologyKey: topology.kubernetes.io/zone
whenUnsatisfiable: ScheduleAnyway
# podMonitor configuration for things
podMonitor:
# enabled configures whether Pod Monitor is enabled, then a resource to scrape things metrics will be created
enabled: false
# interval: 30s
# scrapeTimeout: 15s
# config holds things specific configuration
config:
# mongodb holds mongodb specific configuration of things
mongodb:
# minPoolSize configures the minimum number of connections in the connection pool
minPoolSize: 10
# maxPoolSize configures the minimum number of connections in the connection pool
maxPoolSize: 200
# maxPoolIdleTime configures the maximum amount of time a pooled connection is allowed to idle before closing the connection
maxPoolIdleTime: 10m
# journalWriteConcern the MongoDB write concern to apply for writing operations on the event journal
# one of: Unacknowledged | Acknowledged | Journaled | ReplicaAcknowledged | W1 | W2 | W3
# caution: Acknowledged refers to the MongoDB server's configured "default write concern"
journalWriteConcern: "Acknowledged"
# snapsWriteConcern the MongoDB write concern to apply for writing operations on the snapshots persistence
# one of: Unacknowledged | Acknowledged | Journaled | ReplicaAcknowledged | W1 | W2 | W3
# caution: Acknowledged refers to the MongoDB server's configured "default write concern"
snapsWriteConcern: "Acknowledged"
# journalCircuitBreaker configures the circuit breaker for MongoDB operations on the event journal
journalCircuitBreaker:
# maxTries opens the circuit breaker if an exception during persisting an event occurs this often
# a successful write resets the counter
maxTries: 10
# timeout configures the MongoDB write timeouts also causing the circuit breaker to open
timeout: 10s
# reset after this time in "Open" state, the circuit breaker is "Half-opened" again
reset: 5s
# snapsCircuitBreaker configures the circuit breaker for MongoDB operations on the snapshots persistence
snapsCircuitBreaker:
# maxTries opens the circuit breaker if an exception during persisting a snapshot occurs this often
# a successful write resets the counter
maxTries: 10
# timeout configures the MongoDB write timeouts also causing the circuit breaker to open
timeout: 20s
# reset after this time in "Open" state, the circuit breaker is "Half-opened" again
reset: 8s
# cleanup contains the configuration for the background cleanup of stale snapshots and events
cleanup:
# enabled configures whether background cleanup is enabled or not
# if enabled, stale "snapshot" and "journal" entries will be cleaned up from the MongoDB by a background process:
enabled: true
# quietPeriod defines how long to stay in a state where the background cleanup is not yet started
quietPeriod: 5m
# history contains configuration regarding the event history
history:
# retentionDuration configures the duration of how long to "keep" events and snapshots before being allowed to remove them in scope of cleanup
retentionDuration: 30d
# metricsReporter config of MongoMetricsReporter which is used by policies in order to report current persistence
# roundtrip times in order to determine credits to cleanup stale data (journal entries, snapshots)
metricsReporter:
# resolution configures how far apart each measurement should be done
resolution: 1s
# history configures how many historical items to keep
history: 5
# interval configures how often a "credit decision" is made
interval: 1s
# timerThreshold configures the maximum database latency to give out credit for cleanup actions
timerThreshold: 100ms
# creditsPerBatch configures how many "cleanup credits" should be generated per "interval" as long as the
creditsPerBatch: 5
# deleteFinalDeletedSnapshot configures whether for a deleted entity, the final snapshot (containing the
# "deleted" information) should be deleted or not.
# If the final snapshot is not deleted, re-creating the entity will cause that the recreated entity starts with
# a revision number 1 higher than the previously deleted entity. If the final snapshot is deleted as well,
# recreation of an entity with the same ID will lead to revisionNumber=1 after its recreation.
deleteFinalDeletedSnapshot: true
# readJournal holds configuration regarding the MongoReadJournal and e.g. the aggregation queries which are performed in it
readJournal:
# indexes contains configuration about additional indexes to create
indexes:
# createSnapshotAggregationIndexPidId whether to create the "pid"+"_id" compound index on the snapshot collection
createSnapshotAggregationIndexPidId: false
# createSnapshotAggregationIndexPidSn whether to create the "pid"+"sn" compound index on the snapshot collection
createSnapshotAggregationIndexPidSn: false
# createSnapshotAggregationIndexPidSn whether to create the "pid"+"sn"+"_id" compound index on the snapshot collection
createSnapshotAggregationIndexPidSnId: false
# hints contains hint names to configure for different aggregation calls done in MongoReadJournal
hints:
# filterPidsThatDoesntContainTagInNewestEntry contains the hint name to use in the aggregation query
filterPidsThatDoesntContainTagInNewestEntry: null
# listLatestJournalEntries contains the hint name to use in the aggregation query
listLatestJournalEntries: null
# listNewestActiveSnapshotsByBatchPidId contains the hint name to use in the aggregation query where the $match contains both "pid" and "_id"
listNewestActiveSnapshotsByBatchPidId: null
# listNewestActiveSnapshotsByBatchPidId contains the hint name to use in the aggregation query where the $match contains only "pid"
listNewestActiveSnapshotsByBatchPid: null
# listNewestActiveSnapshotsByBatchPidId contains the hint name to use in the aggregation query where the $match contains only "_id"
listNewestActiveSnapshotsByBatchId: null
# persistence holds configuration regarding (pekko) persistence of things (event journal and snapshots)
persistence:
# activityCheckInterval configures to keep things for that amount of time in memory when no other use did happen
activityCheckInterval: 2d
# events contains event journal specific configuration
events:
# historicalHeadersToPersist define the DittoHeaders to persist when persisting events to the journal
# those can e.g. be retrieved as additional "audit log" information when accessing a historical Thing revision
historicalHeadersToPersist:
# - "ditto-originator"
# - "ditto-origin"
# - "correlation-id"
# snapshots contains snapshots persistence specific configuration
snapshots:
# the interval when to do snapshot for a Thing which had changes to it
interval: 15m
# the threshold after how many changes to a Thing to do a snapshot
threshold: 50
# entityCreation by default, Ditto allows anyone to create a new entity (thing in this case) in any namespace.
# However, this behavior can be customized, and the ability to create new entities can be restricted:
entityCreation:
# grants contains the list of creation config entries which would allow the creation of entities
# An empty list would *not* allow any entity to be created.
# You must have at least one entry, even if it is without restrictions.
grants:
- # namespaces holds the list of namespaces this entry applies to. An empty list would match any.
# Wildcards `*` (Matching any number of any character) and `?` (Matches any single character) are supported in entries of this list.
namespaces: []
# authSubjects holds list of authentication subjects this entry applies to. An empty list would match any.
# Wildcards `*` (Matching any number of any character) and `?` (Matches any single character) are supported in entries of this list.
authSubjects: []
# revokes contains the list of creation config entries which would reject the creation of entities
revokes: []
# - namespaces: []
# authSubjects: []
# policiesEnforcer contains configuration for Ditto "Policy Enforcers", e.g. regarding caching
policiesEnforcer:
# cache holds the configuration of policy enforcer caching
cache:
# enabled whether caching of policy enforcers should be enabled
enabled: true
# maxSize the maximum size of policy enforcers to keep in the cache
maxSize: 50000
# expireAfterWrite the maximum duration of inconsistency after losing a cache invalidation
expireAfterWrite: 8h
# expireAfterAccess prolonged on each cache access by that duration
expireAfterAccess: 4h
# wot contains Web of Things (WoT) specific configuration
wot:
# tdBasePrefix is the base to use where the Ditto endpoint is located in order to be injected into TDs:
tdBasePrefix: "http://localhost:8080"
# tdJsonTemplate contains a json template added to generated TDs, e.g. containing security information:
tdJsonTemplate: >-
{
"securityDefinitions": {
"basic_sc": {
"scheme": "basic",
"in": "header"
}
},
"security": "basic_sc",
"support": "https://www.eclipse.dev/ditto/"
}
## ----------------------------------------------------------------------------
## things-search configuration
## ref: https://www.eclipse.dev/ditto/architecture-services-things-search.html