Outcold Solutions LLC

Forwarding Kubernetes logs to OpenSearch - Version 5

Collectord configuration (Kubernetes version 1.24.x)

Download

collectorforkubernetes-opensearch.yaml

curl

$ curl -O https://www.outcoldsolutions.com/docs/elasticsearch-kubernetes/v5/configuration/opensearch/collectorforkubernetes-elasticsearch.yaml

wget

$ wget https://www.outcoldsolutions.com/docs/elasticsearch-kubernetes/v5/configuration/opensearch/collectorforkubernetes-elasticsearch.yaml

collectorforkubernetes-elasticsearch.yaml

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apiVersion: v1
kind: Namespace
metadata:
  labels:
    app: collectorforkubernetes
  name: collectorforkubernetes
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: configurations.collectord.io
spec:
  group: collectord.io
  versions:
    - name: v1
      served: true
      storage: true
      schema:
        openAPIV3Schema:
          type: object
          properties:
            spec:
              type: object
              additionalProperties: true
            force:
              type: boolean
  scope: Cluster
  names:
    plural: configurations
    singular: configuration
    kind: Configuration

---
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    app: collectorforkubernetes
  name: collectorforkubernetes
  namespace: collectorforkubernetes

---
apiVersion: scheduling.k8s.io/v1
kind: PriorityClass
metadata:
  name: collectorforkubernetes-critical
value: 1000000000

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  labels:
    app: collectorforkubernetes
  name: collectorforkubernetes
rules:
- apiGroups: ['extensions']
  resources: ['podsecuritypolicies']
  verbs:     ['use']
  resourceNames:
  - privileged
- apiGroups:
  - ""
  - apps
  - batch
  - extensions
  - rbac.authorization.k8s.io
  - collectord.io
  resources:
  - alertmanagers
  - cronjobs
  - daemonsets
  - deployments
  - endpoints
  - events
  - jobs
  - namespaces
  - nodes
  - nodes/metrics
  - nodes/proxy
  - pods
  - replicasets
  - replicationcontrollers
  - scheduledjobs
  - services
  - statefulsets
  - persistentvolumeclaims
  - configurations
  - resourcequotas
  - clusterroles
  - secrets
  - configmaps
  verbs:
  - get
  - list
  - watch
- nonResourceURLs:
  - /metrics
  verbs:
  - get
  apiGroups: []
  resources: []
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  labels:
    app: collectorforkubernetes
  name: collectorforkubernetes
  namespace: collectorforkubernetes
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: collectorforkubernetes
subjects:
  - kind: ServiceAccount
    name: collectorforkubernetes
    namespace: collectorforkubernetes
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: collectorforkubernetes-elasticsearch
  namespace: collectorforkubernetes
  labels:
    app: collectorforkubernetes-elasticsearch
data:
  001-general.conf: |
    # The general configuration is used for all deployments
    #
    # Run collector with the flag -conf and specify location of the configuration files.
    #
    # You can override all the values using environment variables with the format like
    #   COLLECTOR__<ANYNAME>=<section>__<key>=<value>
    # As an example you can set dataPath in [general] section as
    #   COLLECTOR__DATAPATH=general__dataPath=C:\\some\\path\\data.db
    # This parameter can be configured using -env-override, set it to empty string to disable this feature

    [general]
    # Please review license https://www.outcoldsolutions.com/docs/license-agreement/
    # and accept license by changing the value to *true*
    acceptLicense = false

    # Location for the database
    # Collector stores positions of the files and internal state
    dataPath = ./data/

    # log level (accepted values are trace, debug, info, warn, error, fatal)
    logLevel = info

    # http server gives access to two endpoints
    # /healthz
    # /metrics/json
    # /metrics/prometheus
    httpServerBinding =

    # telemetry report endpoint, set it to empty string to disable telemetry
    telemetryEndpoint = https://license.outcold.solutions/telemetry/

    # license check endpoint
    licenseEndpoint = https://license.outcold.solutions/license/

    # license server through proxy
    licenseServerProxyUrl =

    # authentication with basic authorization (user:password)
    licenseServerProxyBasicAuth =

    # license key
    license =

    # Environment variable $KUBERNETES_NODENAME is used by default to setup hostname
    # Use value below to override specific name
    # hostname = ${KUBERNETES_NODENAME}.second

    # Default output for events, logs and metrics
    # valid values: elasticsearch and devnull
    # Use devnull by default if you don't want to redirect data
    defaultOutput = elasticsearch

    # Default buffer size for file input
    fileInputBufferSize = 256b

    # Maximum size of one line the file reader can read
    fileInputLineMaxSize = 1mb

    # Include custom fields to attach to every event, in example below every event sent to elasticsearch will have
    # indexed field my_environment=dev. Fields names should match to ^[a-z][_a-z0-9\.]*$
    # Better way to configure that is to specify labels for Kubernetes Nodes.
    # ; fields.my_environment = dev
    # Identify the cluster if you are planning to monitor multiple clusters
    # For ElasticSearch look at the ECS (Elastic Common Schema) documentation https://www.elastic.co/guide/en/ecs/current/ecs-field-reference.html
    fields.ecs.version = 8.0.0

    fields.orchestrator.cluster.name = -
    fields.orchestrator.type = kubernetes

    fields.agent.type = collectord
    fields.agent.version = ${COLLECTORD_VERSION}
    fields.agent.ephemeral_id = ${COLLECTORD_INSTANCE_RUNTIME_ID}
    fields.agent.id = ${COLLECTORD_INSTANCE_ID}
    fields.agent.name = ${KUBERNETES_NODENAME}

    fields.host.name = ${KUBERNETES_NODENAME}
    fields.host.hostname = ${KUBERNETES_NODENAME}
    fields.host.architecture = ${COLLECTORD_ARCH}

    # Include EC2 Metadata (see list of possible fields https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html)
    # Should be in format ec2Metadata.{desired_field_name} = {url path to read the value}
    # ec2Metadata.cloud.instance.id = /latest/meta-data/instance-id
    # ec2Metadata.cloud.machine.type = /latest/meta-data/instance-type

    # subdomain for the annotations added to the pods, workloads, namespaces or containers, like elasticsearch.collectord.io/..
    annotationsSubdomain = elasticsearch

    # configure global thruput per second for forwarded logs (metrics are not included)
    # for example if you set `thruputPerSecond = 512Kb`, that will limit amount of logs forwarded
    # from the single Collectord instance to 512Kb per second.
    # You can configure thruput individually for the logs (including specific for container logs) below
    thruputPerSecond =
    ; thruputPerSecond = 512Kb

    # Configure events that are too old to be forwarded, for example 168h (7 days) - that will drop all events
    # older than 7 days
    tooOldEvents =

    # Configure events that are too new to be forwarded, for example 1h - that will drop all events that are 1h in future
    tooNewEvents =

    [license.client]
    # point to the license located on the HTTP web server, or a hosted by the Collectord running as license server
    ;url = http://10.0.2.2:9199/license
    # basic authentication for the HTTP server
    ;basicAuth = :password
    # if SSL, ignore the certificate verification
    insecure = false
    # CA Path for the Server certificate
    capath =
    # CA Name fot the Server certificate
    caname =

    # connection to kubernetes api
    [general.kubernetes]

    # Override service URL for Kubernetes (default is ${KUBERNETES_SERVICE_HOST}:${KUBERNETES_SERVICE_PORT})
    serviceURL =

    # Environment variable $KUBERNETES_NODENAME is used by default to setup nodeName
    # Use it only when you need to override it
    nodeName =

    # Configuration to access the API server,
    # see https://kubernetes.io/docs/tasks/access-application-cluster/access-cluster/#accessing-the-api-from-a-pod
    # for details
    tokenPath = /var/run/secrets/kubernetes.io/serviceaccount/token
    certPath = /var/run/secrets/kubernetes.io/serviceaccount/ca.crt

    # Default timeout for http responses. The streaming/watch requests depend on this timeout.
    timeout = 30m

    # How long to keep the cache for the recent calls to API server (to limit number of calls when collector discovers new pods)
    metadataTTL = 30s

    # path to the kubelet root location (use it to discover application logs for emptyDir)
    # the expected format is `pods/{pod-id}/volumes/kubernetes.io~empty-dir/{volume-name}/_data/`
    volumesRootDir = /rootfs/var/lib/kubelet/

    # You can attach annotations as a metadata, using the format
    #   includeAnnotations.{key} = {regexp}
    # For example if you want to include all annotations that starts with `prometheus.io` or `example.com` you can include
    # the following format:
    #   includeAnnotations.1 = ^prometheus\.io.*
    #   includeAnnotations.2 = ^example\.com.*

    # watch for changes (annotations) in the objects
    watch.namespaces = v1/namespace
    watch.deployments = apps/v1/deployment
    watch.configurations = collectord.io/v1/configuration

    # Collectord can review the assigned ClusterRole and traverse metadata for the Pods only for the Owner objects
    # that are defined in the ClusterRole, ignoring anything else, it does not have access to.
    # This way Collectord does not generate 403 requests on API Server
    clusterRole = collectorforkubernetes

    # Alternative of telling Collectord about the ClusterRole is to manually list the objects.
    # You can define which objects Collectord should traverse when it sees Owners.
    ; traverseOwnership.namespaces = v1/namespace


    # ElasticSearch output
    [output.elasticsearch]

    # Default data stream name
    dataStream = logs-collectord-{{agent.version}}
    dataStreamFailedEvents = logs-collectord-failed-{{agent.version}}

    # ElasticSearch Scheme Host and Port
    host =

    # You can specify muiltiple hosts with
    #
    # hosts.0 = https://es0:9200
    # hosts.1 = https://es1:9200
    # hosts.2 = https://es2:9200

    # Specify how Hosts should be picked up (in case if multiple is used)
    # * random - choose random url on first selection and after each failure (connection or HTTP status code >= 500)
    # * round-robin - choose url starting from first one and bump on each failure (connection or HTTP status code >= 500)
    # * random-with-round-robin - choose random url on first selection and after that in round-robin on each
    #                             failure (connection or HTTP status code >= 500)
    hostSelection = random-with-round-robin

    # Configuration for basic authorization
    authorizationBasicUsername =
    authorizationBasicPassword =

    # additional headers
    headers.Content-Type = application/json
    headers.Accept = application/json

    # Allow invalid SSL server certificate
    insecure = false

    # Path to CA certificate
    caPath =

    # CA Name to verify
    caName =

    # path for client certificate (if required)
    clientCertPath =

    # path for a client key (if required)
    clientKeyPath =

    # Events are batched with the maximum size set by batchSize and staying in a pipeline for not longer
    # than set by frequency
    frequency = 5s
    batchSize = 768K
    # limit by the number of events (0 value has no limit on the number of events)
    events = 50

    # elasticsearch through proxy
    proxyUrl =

    # authentication with basic authorization (user:password)
    proxyBasicAuth =

    # Timeout specifies a time limit for requests made by collectord.
    # The timeout includes connection time, any
    # redirects, and reading the response body.
    timeout = 30s

    # gzip compression level (nocompression, default, 1...9)
    compressionLevel = default

    # number of dedicated elasticsearch output threads (to increase throughput above 4k events per second)
    threads = 2
    # Default algorithm between threads is roundrobin, but you can change it to weighted
    threadsAlgorithm = roundrobin

    # Submit objects to elasticsearch
    #submit._ilm/policy/logs-collectord = /config/es-default-index-lifecycle-management-policy.json
    put._index_template/logs-collectord-${COLLECTORD_VERSION} = /config/es-default-index-template.json
    put._index_template/logs-collectord-failed-${COLLECTORD_VERSION} = /config/es-failed-index-template.json

    # Dedicated queue size for the output, default is 1024, larger queue sizes will require more memory,
    # but will allow to handle more events in case of network issues
    queueSize = 1024

    # Configure multiple outputs
    #    [output.elasticsearch::app1]
    #    host = http://esapp1:9200


  002-daemonset.conf: |
    # DaemonSet configuration is used for Nodes and Masters.

    // connection to CRIO
    [general.cri-o]

    # url for CRIO API, only unix socket is supported
    url = unix:///rootfs/var/run/crio/crio.sock

    # Timeout for http responses to docker client. The streaming requests depend on this timeout.
    timeout = 1m

    [general.containerd]

    runtimePath = /rootfs/var/run/containerd
    namespace = k8s.io


    # Container Log files
    [input.files]

    # disable container logs monitoring
    disabled = false

    # root location of docker log files
    # logs are expected in standard docker format like {containerID}/{containerID}-json.log
    # rotated files
    path = /rootfs/var/lib/docker/containers/
    # root location of CRI-O (including Containerd) files
    # logs are expected in Kubernetes format, like {podID}/{containerName}/0.log
    crioPath = /rootfs/var/log/pods/

    # files are read using polling schema, when reach the EOF how often to check if files got updated
    pollingInterval = 250ms

    # how often to look for the new files under logs path
    walkingInterval = 5s

    # override type
    type = container

    # override datastream
    elasticsearch.datastream =

    # docker splits events when they are larger than 10-100k (depends on the docker version)
    # we join them together by default and forward to elasticsearch as one event
    joinPartialEvents = true

    # In case if your containers report messages with terminal colors or other escape sequences
    # you can enable strip for all the containers in one place.
    # Better is to enable it only for required container with the label collectord.io/strip-terminal-escape-sequences=true
    stripTerminalEscapeSequences = false
    # Regexp used for stripping terminal colors, it does not stip all the escape sequences
    # Read http://man7.org/linux/man-pages/man4/console_codes.4.html for more information
    stripTerminalEscapeSequencesRegex = (\x1b\[\d{1,3}(;\d{1,3})*m)|(\x07)|(\x1b]\d+(\s\d)?;[^\x07]+\x07)|(.*\x1b\[K)

    # sample output (-1 does not sample, 20 - only 20% of the logs should be forwarded)
    samplingPercent = -1

    # sampling key for hash based sampling (should be regexp with the named match pattern `key`)
    samplingKey =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # configure default thruput per second for for each container log
    # for example if you set `thruputPerSecond = 128Kb`, that will limit amount of logs forwarded
    # from the single container to 128Kb per second.
    thruputPerSecond =

    # Configure events that are too old to be forwarded, for example 168h (7 days) - that will drop all events
    # older than 7 days
    tooOldEvents =

    # Configure events that are too new to be forwarded, for example 1h - that will drop all events that are 1h in future
    tooNewEvents =

    # by default every new event should start from not space symbol
    eventPattern = ^[^\s]


    # Application Logs
    [input.app_logs]

    # disable container application logs monitoring
    disabled = false

    # root location of mounts (applies to hostPath mounts only), if the hostPath differs inside container from the path on host
    root = /rootfs/

    # how often to review list of available volumes
    syncInterval = 5s

    # glob matching pattern for log files
    glob = *.log*

    # files are read using polling schema, when reach the EOF how often to check if files got updated
    pollingInterval = 250ms

    # how often to look for the new files under logs path
    walkingInterval = 5s

    # include verbose fields in events (file offset)
    verboseFields = false

    # override type
    type = container.file

    # override datastream
    elasticsearch.datastream =

    # we split files using new line character, with this configuration you can specify what defines the new event
    # after new line
    eventPatternRegex = ^[^\s]
    # Maximum interval of messages in pipeline
    eventPatternMaxInterval = 100ms
    # Maximum time to wait for the messages in pipeline
    eventPatternMaxWait = 1s
    # Maximum message size
    eventPatternMaxSize = 100kb

    # sample output (-1 does not sample, 20 - only 20% of the logs should be forwarded)
    samplingPercent = -1

    # sampling key for hash based sampling (should be regexp with the named match pattern `key`)
    samplingKey =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # configure default thruput per second for for each container log
    # for example if you set `thruputPerSecond = 128Kb`, that will limit amount of logs forwarded
    # from the single container to 128Kb per second.
    thruputPerSecond =

    # Configure events that are too old to be forwarded, for example 168h (7 days) - that will drop all events
    # older than 7 days
    tooOldEvents =

    # Configure events that are too new to be forwarded, for example 1h - that will drop all events that are 1h in future
    tooNewEvents =

    # Configure how long Collectord should keep the file descriptors open for files, that has not been forwarded yet
    # When using PVC, and if pipeline is lagging behind, Collectord holding open fd for files, can cause long termination
    # of pods, as kubelet cannot unmount the PVC volume from the system
    maxHoldAfterClose = 1800s


    # Host logs. Input syslog(.\d+)? files
    [input.files::syslog]

    # disable host level logs
    disabled = false

    # root location of docker files
    path = /rootfs/var/log/

    # regex matching pattern
    match = ^(syslog|messages)(.\d+)?$

    # limit search only on one level
    recursive = false

    # files are read using polling schema, when reach the EOF how often to check if files got updated
    pollingInterval = 250ms

    # how often o look for the new files under logs path
    walkingInterval = 5s

    # include verbose fields in events (file offset)
    verboseFields = false

    # override type
    type = file

    # override datastream
    elasticsearch.datastream =

    # field extraction
    extraction = ^(?P<timestamp>[A-Za-z]+\s+\d+\s\d+:\d+:\d+)\s(?P<log__syslog__hostname>[^\s]+)\s(?P<log__syslog__appname>[^:\[]+)(\[(?P<log__syslog__procid>\d+)\])?: (.+)$
    # extractionMessageField =

    # timestamp field
    timestampField = timestamp

    # format for timestamp
    # the layout defines the format by showing how the reference time, defined to be `Mon Jan 2 15:04:05 -0700 MST 2006`
    timestampFormat = Jan 2 15:04:05

    # Adjust date, if month/day aren't set in format
    timestampSetMonth = false
    timestampSetDay = false

    # timestamp location (if not defined by format)
    timestampLocation = Local

    # sample output (-1 does not sample, 20 - only 20% of the logs should be forwarded)
    samplingPercent = -1

    # sampling key for hash based sampling (should be regexp with the named match pattern `key`)
    samplingKey =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # configure default thruput per second for this files group
    # for example if you set `thruputPerSecond = 128Kb`, that will limit amount of logs forwarded
    # from the files in this group to 128Kb per second.
    thruputPerSecond =

    # Configure events that are too old to be forwarded, for example 168h (7 days) - that will drop all events
    # older than 7 days
    tooOldEvents =

    # Configure events that are too new to be forwarded, for example 1h - that will drop all events that are 1h in future
    tooNewEvents =

    # by default every new event should start from not space symbol
    eventPattern = ^[^\s]

    # Blacklisting and whitelisting the logs
    # whitelist.0 = ^regexp$
    # blacklist.0 = ^regexp$


    # Host logs. Input all *.log(.\d+)? files
    [input.files::logs]

    # disable host level logs
    disabled = false

    # root location of log files
    path = /rootfs/var/log/

    # regex matching pattern
    match = ^(([\w\-.]+\.log(.[\d\-]+)?)|(docker))$

    # files are read using polling schema, when reach the EOF how often to check if files got updated
    pollingInterval = 250ms

    # how often o look for the new files under logs path
    walkingInterval = 5s

    # include verbose fields in events (file offset)
    verboseFields = false

    # override type
    type = file

    # override datastream
    elasticsearch.datastream =

    # field extraction
    extraction =

    # timestamp field
    timestampField =

    # format for timestamp
    # the layout defines the format by showing how the reference time, defined to be `Mon Jan 2 15:04:05 -0700 MST 2006`
    timestampFormat =

    # timestamp location (if not defined by format)
    timestampLocation =

    # sample output (-1 does not sample, 20 - only 20% of the logs should be forwarded)
    samplingPercent = -1

    # sampling key for hash based sampling (should be regexp with the named match pattern `key`)
    samplingKey =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # configure default thruput per second for this files group
    # for example if you set `thruputPerSecond = 128Kb`, that will limit amount of logs forwarded
    # from the files in this group to 128Kb per second.
    thruputPerSecond =

    # Configure events that are too old to be forwarded, for example 168h (7 days) - that will drop all events
    # older than 7 days
    tooOldEvents =

    # Configure events that are too new to be forwarded, for example 1h - that will drop all events that are 1h in future
    tooNewEvents =

    # by default every new event should start from not space symbol
    eventPattern = ^[^\s]

    # Blacklisting and whitelisting the logs
    # whitelist.0 = ^regexp$
    # blacklist.0 = ^regexp$


    [input.journald]

    # disable host level logs
    disabled = false

    # root location of log files
    path.persistent = /rootfs/var/log/journal/
    path.volatile = /rootfs/run/log/journal/

    # when reach end of journald, how often to pull
    pollingInterval = 250ms

    # if you don't want to forward journald from the beginning,
    # set the oldest event in relative value, like -14h or -30m or -30s (h/m/s supported)
    startFromRel =

    # override type
    type = journald

    # override datastream
    elasticsearch.datastream =

    # sample output (-1 does not sample, 20 - only 20% of the logs should be forwarded)
    samplingPercent = -1

    # sampling key (should be regexp with the named match pattern `key`)
    samplingKey =

    # how often to reopen the journald to free old files
    reopenInterval = 1h

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # configure default thruput per second for journald
    # for example if you set `thruputPerSecond = 128Kb`, that will limit amount of logs forwarded
    # from the journald to 128Kb per second.
    thruputPerSecond =

    # Configure events that are too old to be forwarded, for example 168h (7 days) - that will drop all events
    # older than 7 days
    tooOldEvents =

    # Configure events that are too new to be forwarded, for example 1h - that will drop all events that are 1h in future
    tooNewEvents =

    # by default every new event should start from not space symbol
    eventPattern = ^[^\s]

    # Blacklisting and whitelisting the logs
    # whitelist.0 = ^regexp$
    # blacklist.0 = ^regexp$

    # Pipe to join events (container logs only)
    [pipe.join]

    # disable joining event
    disabled = false

    # Maximum interval of messages in pipeline
    maxInterval = 100ms

    # Maximum time to wait for the messages in pipeline
    maxWait = 1s

    # Maximum message size
    maxSize = 100K

    # Default pattern to indicate new message (should start not from space)
    patternRegex = ^[^\s]

    # You can configure global replace rules for the events, which can help to remove sensitive data
    # from logs before they are sent to Splunk. Those rules will be applied to all pipelines for container logs, host logs,
    # application logs and events.
    # In the following example we replace password=TEST with password=********
    ; [pipe.replace::name]
    ; patternRegex = (password=)([^\s]+)
    ; replace = $1********

  004-addon.conf: |
    [ general ]

    # addons can be run in parallel with agents
    addon = true

    [input.kubernetes_events]

    # disable events
    disabled = false

    # override type
    type = events

    # override datastream
    elasticsearch.datastream =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # exclude managed fields from the metadata
    excludeManagedFields = true

    [input.kubernetes_watch::pods]

    # disable events
    disabled = false

    # Set the timeout for how often watch request should refresh the whole list
    refresh = 10m

    apiVersion = v1
    kind = pod
    namespace =
    excludeManagedFields = true

    # override type
    type = objects

    # override datastream
    elasticsearch.datastream =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

    # you can remove or hash some values in the events (after modifyValues you can define path in the JSON object,
    # and the value can be hash:{hashFunction}, or remove to remove the object )
    ; modifyValues.object.data.* = hash:sha256
    ; modifyValues.object.metadata.annotations.* = remove

    # You can exclude events by namespace with blacklist or whitelist only required namespaces
    # blacklist.kubernetes_namespace = ^namespace0$
    # whitelist.kubernetes_namespace = ^((namespace1)|(namespace2))$

    [input.kubernetes_watch::deployments]

    # disable events
    disabled = false

    # Set the timeout for how often watch request should refresh the whole list
    refresh = 10m

    apiVersion = apps/v1
    kind = deployment
    namespace =
    excludeManagedFields = true

    # override type
    type = objects

    # override datastream
    elasticsearch.datastream =

    # set output (elasticsearch or devnull, default is [general]defaultOutput)
    output =

  es-default-index-lifecycle-management-policy.json: |
    {
      "policy": {
        "_meta": {
          "description": "Default policy for Collectord indexes",
          "version": 1
        },
        "phases": {
          "hot": {
            "min_age": "0ms",
            "actions": {
              "rollover": {
                "max_primary_shard_size": "50gb",
                "max_age": "30d"
              }
            }
          }
        }
      }
    }
  es-default-index-template.json: |
    {
      "version": 1,
      "data_stream": {},
      "_meta": {
        "description": "Default template for Collectord indexes"
      },
      "priority": 500,
      "template": {
        "settings": {
          "index": {
            "refresh_interval": "5s",
            "mapping": {
              "total_fields": {
                "limit": "10000"
              }
            },
            "max_docvalue_fields_search": "200"
          },
          "query": {
            "default_field": [
              "message",
              "container.name",
              "container.image.name",
              "host.name",
              "orchestrator.namespace",
              "orchestrator.cluster.name",
              "container.name",
              "kubernetes.pod.name",
              "kubernetes.pod.id",
              "kubernetes.pod.ip",
              "kubernetes.namespace.name",
              "kubernetes.node.name",
              "kubernetes.cluster.name",
              "kubernetes.replicaset.name",
              "kubernetes.deployment.name",
              "kubernetes.statefulset.name",
              "kubernetes.daemonset.name",
              "kubernetes.job.name",
              "kubernetes.cronjob.name"
            ]
          }
        },
        "mappings": {
          "dynamic_templates": [
            {
              "kubernetes.pod.labels.*": {
                "path_match": "kubernetes.pod.labels.*",
                "mapping": {  "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.namespace.labels.*": {
                "path_match": "kubernetes.namespace.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.node.labels.*": {
                "path_match": "kubernetes.node.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.daemonset.labels.*": {
                "path_match": "kubernetes.daemonset.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.replicaset.labels.*": {
                "path_match": "kubernetes.replicaset.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.deployment.labels.*": {
                "path_match": "kubernetes.deployment.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.statefulset.labels.*": {
                "path_match": "kubernetes.statefulset.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.job.labels.*": {
                "path_match": "kubernetes.job.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "kubernetes.cronjob.labels.*": {
                "path_match": "kubernetes.cronjob.labels.*",
                "mapping": { "type": "keyword" },
                "match_mapping_type": "*"
              }
            },
            {
              "strings_as_keyword": {
                "mapping": { "ignore_above": 1024, "type": "keyword" },
                "match_mapping_type": "string"
              }
            }
          ],
          "properties": {
            "@timestamp": { "type": "date"},
            "message":{"type":"text"},
            "collectord_errors": {"type": "keyword","ignore_above": 1024},
            "input":{"properties":{"type":{"ignore_above":1024,"type":"keyword"}}},
            "container": {"properties": {
              "name": { "ignore_above": 1024, "type": "keyword"},
              "id": { "ignore_above": 1024, "type": "keyword"},
              "runtime": {"ignore_above": 1024, "type": "keyword"},
              "image": {"properties": {
                "name": { "ignore_above": 1024, "type": "keyword"}
              }}
            }
            },
            "event": {"properties": {
              "id": {"ignore_above": 1024, "type": "keyword"}
            }},
            "host": {"properties": {
              "name": {"ignore_above": 1024, "type": "keyword"},
              "architecture": {"ignore_above": 1024, "type": "keyword"},
              "hostname": {"ignore_above": 1024, "type": "keyword"}
            }},
            "log": { "properties": {
              "file": { "properties": {
                "path": {"ignore_above": 1024, "type": "keyword"}
              }},
              "offset": {"type": "long"},
              "syslog": {"properties": {
                "appname": {"ignore_above": 1024, "type": "keyword"},
                "facility": {"properties": {
                  "code": {"type": "long"}
                }},
                "priority": {"type": "long"},
                "procid": {"type": "long"},
                "hostname": {"ignore_above": 1024, "type": "keyword"}
              }}
            }},
            "orchestrator": {"properties": {
              "cluster": {"properties": {
                "name": {"ignore_above": 1024, "type": "keyword"}
              }},
              "namespace": {"properties": {
                "name":{"path":"kubernetes.namespace.name","type":"alias"}
              }},
              "type": {"ignore_above": 1024, "type": "keyword"}
            }},
            "stream": {"ignore_above": 1024, "type": "keyword"},
            "agent":{"properties":{
              "hostname":{"path":"agent.name","type":"alias"},
              "name":{"ignore_above":1024,"type":"keyword"},
              "id":{"ignore_above":1024,"type":"keyword"},
              "type":{"ignore_above":1024,"type":"keyword"},
              "ephemeral_id":{"ignore_above":1024,"type":"keyword"},
              "version":{"ignore_above":1024,"type":"keyword"}
            }},
            "ecs":{"properties":{"version":{"ignore_above":1024,"type":"keyword"}}},
            "kubernetes": { "properties": {
              "container": {"properties": {
                "imageid": {"ignore_above": 1024, "type": "keyword"}
              }},
              "host": {"properties": {
                "ip": {"type": "ip"}
              }},
              "namespace": {"properties": {
                "name": {"ignore_above": 1024, "type": "keyword"}
              }},
              "node": { "properties": {
                "id": {"ignore_above": 1024, "type": "keyword"},
                "name": {"ignore_above": 1024,"type": "keyword"}
              }},
              "pod": {"properties": {
                "id": {"ignore_above": 1024,"type": "keyword"},
                "ip": {"type": "ip"},
                "name": {"ignore_above": 1024,"type": "keyword"}
              }},
              "statefulset": { "properties": {
                "id": {"ignore_above": 1024,"type": "keyword"},
                "name": {"ignore_above": 1024,"type": "keyword"}
              }},
              "replicaset": {"properties": {
                "id": {"ignore_above": 1024,"type": "keyword"},
                "name": {"ignore_above": 1024, "type": "keyword"}
              }},
              "deployment": { "properties": {
                "id": {"ignore_above": 1024,"type": "keyword"},
                "name": {"ignore_above": 1024,"type": "keyword" }
              }},
              "cronjob": {"properties": {
                "id": {"ignore_above": 1024,"type": "keyword"},
                "name": {"ignore_above": 1024, "type": "keyword"}
              }},
              "job": {"properties": {
                "id": {"ignore_above": 1024,"type": "keyword"},
                "name": {"ignore_above": 1024, "type": "keyword"}
              }}
            }},
            "volume": {"properties": {
                "name": {"ignore_above": 1024,"type": "keyword"}
            }}
          }
        }
      },
      "index_patterns": ["logs-collectord-${COLLECTORD_VERSION}"]
    }
  es-failed-index-template.json: |
    {
      "version": 1,
      "data_stream": {},
      "_meta": {
        "description": "Default template for Collectord indexes for events that failed to be ingested"
      },
      "priority": 1000,
      "template": {
        "settings": {
          "index": {

            "refresh_interval": "5s",
            "mapping": {
              "total_fields": {
                "limit": "10000"
              }
            },
            "max_docvalue_fields_search": "200"
          },
          "query": {
            "default_field": [
              "message"
            ]
          }
        },
        "mappings": {
          "properties": {
            "@timestamp": {
              "type": "date"},
            "message": {
              "type": "text"}
          }
        }
      },
      "index_patterns": [
        "logs-collectord-failed-${COLLECTORD_VERSION}"]
    }
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: collectorforkubernetes-elasticsearch
  namespace: collectorforkubernetes
  labels:
    app: collectorforkubernetes-elasticsearch
spec:
  updateStrategy:
    type: RollingUpdate
  selector:
    matchLabels:
      daemon: collectorforkubernetes-elasticsearch
  template:
    metadata:
      name: collectorforkubernetes-elasticsearch
      labels:
        daemon: collectorforkubernetes-elasticsearch
    spec:
      priorityClassName: collectorforkubernetes-critical
      dnsPolicy: ClusterFirstWithHostNet
      hostNetwork: true
      serviceAccountName: collectorforkubernetes
      tolerations:
      - operator: "Exists"
        effect: "NoSchedule"
      - operator: "Exists"
        effect: "NoExecute"
      containers:
      - name: collectorforkubernetes
        image: docker.io/outcoldsolutions/collectorforkubernetes:5.21.412
        imagePullPolicy: Always
        securityContext:
          runAsUser: 0
          privileged: true
        # Define your resources if you need. Defaults should be fine for most.
        # You can lower or increase based on your hosts.
        resources:
          limits:
            cpu: 2000m
            memory: 512Mi
          requests:
            cpu: 200m
            memory: 192Mi
        env:
        - name: KUBERNETES_NODENAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        volumeMounts:
        # We store state in /data folder (file positions)
        - name: collectorforkubernetes-state
          mountPath: /data
        # Configuration file deployed with ConfigMap
        - name: collectorforkubernetes-config
          mountPath: /config/
          readOnly: true
        # Rootfs
        - name: rootfs
          mountPath: /rootfs/
          readOnly: false
          mountPropagation: HostToContainer
        # correct timezone
        - name: localtime
          mountPath: /etc/localtime
          readOnly: true
      volumes:
      # We store state directly on host, change this location, if
      # your persistent volume is somewhere else
      - name: collectorforkubernetes-state
        hostPath:
          path: /var/lib/collectorforkubernetes-elasticsearch/data/
          type: DirectoryOrCreate
      # Location of docker root (for container logs and metadata)
      - name: rootfs
        hostPath:
          path: /
      # correct timezone
      - name: localtime
        hostPath:
          path: /etc/localtime
      # configuration from ConfigMap
      - name: collectorforkubernetes-config
        configMap:
          name: collectorforkubernetes-elasticsearch
          items:
            - key: 001-general.conf
              path: 001-general.conf
            - key: 002-daemonset.conf
              path: 002-daemonset.conf
            - key: es-default-index-template.json
              path: es-default-index-template.json
            - key: es-default-index-lifecycle-management-policy.json
              path: es-default-index-lifecycle-management-policy.json
            - key: es-failed-index-template.json
              path: es-failed-index-template.json
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: collectorforkubernetes-elasticsearch-addon
  namespace: collectorforkubernetes
  labels:
    app: collectorforkubernetes-elasticsearch
spec:
  replicas: 1

  selector:
    matchLabels:
      daemon: collectorforkubernetes-elasticsearch

  template:
    metadata:
      name: collectorforkubernetes-elasticsearch-addon
      labels:
        daemon: collectorforkubernetes-elasticsearch
    spec:
      priorityClassName: collectorforkubernetes-critical
      serviceAccountName: collectorforkubernetes
      containers:
        - name: collectorforkubernetes
          image: docker.io/outcoldsolutions/collectorforkubernetes:5.21.412
          imagePullPolicy: Always
          securityContext:
            runAsUser: 0
            privileged: true
          resources:
            limits:
              cpu: 500m
              memory: 256Mi
            requests:
              cpu: 50m
              memory: 64Mi
          env:
            - name: KUBERNETES_NODENAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
          volumeMounts:
            - name: collectorforkubernetes-state
              mountPath: /data
            - name: collectorforkubernetes-config
              mountPath: /config/
              readOnly: true
      volumes:
        - name: collectorforkubernetes-state
          hostPath:
            path: /var/lib/collectorforkubernetes-elasticsearch/data/
            type: Directory
        - name: collectorforkubernetes-config
          configMap:
            name: collectorforkubernetes-elasticsearch
            items:
              - key: 001-general.conf
                path: 001-general.conf
              - key: 004-addon.conf
                path: 004-addon.conf
              - key: es-default-index-template.json
                path: es-default-index-template.json
              - key: es-default-index-lifecycle-management-policy.json
                path: es-default-index-lifecycle-management-policy.json
              - key: es-failed-index-template.json
                path: es-failed-index-template.json

About Outcold Solutions

Outcold Solutions provides solutions for monitoring Kubernetes, OpenShift and Docker clusters in Splunk Enterprise and Splunk Cloud. We offer certified Splunk applications, which give you insights across all containers environments. We are helping businesses reduce complexity related to logging and monitoring by providing easy-to-use and deploy solutions for Linux and Windows containers. We deliver applications, which help developers monitor their applications and operators to keep their clusters healthy. With the power of Splunk Enterprise and Splunk Cloud, we offer one solution to help you keep all the metrics and logs in one place, allowing you to quickly address complex questions on container performance.