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323---
apiVersion: v1
kind: Namespace
metadata:
name: fluentd-k8s
labels:
app: fluentd-k8s
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: fluentd-k8s
namespace: fluentd-k8s
labels:
app: fluentd-k8s
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: fluentd-k8s
labels:
app: fluentd-k8s
rules:
- apiGroups:
- ""
resources:
- pods
- namespaces
verbs:
- get
- list
- watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: fluentd-k8s
labels:
app: fluentd-k8s
roleRef:
kind: ClusterRole
name: fluentd-k8s
apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
name: fluentd-k8s
namespace: fluentd-k8s
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: fluentd-k8s
namespace: fluentd-k8s
labels:
engine: fluentd
app: fluentd-k8s
spec:
updateStrategy:
type: RollingUpdate
selector:
matchLabels:
app: fluentd-k8s
template:
metadata:
labels:
app: fluentd-k8s
annotations:
prometheus.io/scrape: 'true'
prometheus.io/port: '24231'
spec:
serviceAccountName: fluentd-k8s
terminationGracePeriodSeconds: 30
containers:
- name: fluentd-k8s
image: sorend/fluentd-k8s
imagePullPolicy: Always
securityContext:
privileged: true
runAsUser: 0
env:
- name: K8S_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: MY_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: LOGZIO_TOKEN
valueFrom:
secretKeyRef:
name: fluentd-k8s
key: logzio.token
#- name: LOGGLY_TOKEN
# valueFrom:
# secretKeyRef:
# name: fluentd-k8s
# key: loggly.token
resources:
limits:
memory: 400Mi
cpu: 1
requests:
memory: 200Mi
cpu: 100m
volumeMounts:
- name: varlog
mountPath: /var/log
- name: varlogdest
mountPath: /var/log/pods
readOnly: true
- name: conf-configmap
mountPath: /fluentd/etc
volumes:
- name: varlog
hostPath:
path: /var/log
- name: varlogdest
hostPath:
path: /var/log/pods
- name: conf-configmap
configMap:
name: fluentd-k8s
---
apiVersion: v1
kind: ConfigMap
metadata:
name: fluentd-k8s
namespace: fluentd-k8s
labels:
app: fluentd-k8s
data:
fluent.conf: |-
@include system.conf
@include containers.conf
@include monit.conf
@include containers-filters.conf
@include output.conf
@include prometheus.conf
monit.conf: |-
<source>
@id fluentd.monitor.agent
@type monitor_agent
@label @clear
tag monitor_agent
</source>
<label @clear>
<match monitor_agent>
@type null
</match>
</label>
containers.conf: |-
<source>
@id kubernetes.log
@type tail
@label @containers
tag kubernetes.*
path /var/log/containers/*.log
exclude_path [
"/var/log/containers/fluentd-k8s-*.log",
"/var/log/containers/*_kube-system_*.log",
"/var/log/containers/*_flux-system_*.log",
"/var/log/containers/*_traefik-controller_*.log"
]
pos_file /var/log/kubernetes.log.pos
path_key source
read_from_head true
refresh_interval 60
<parse>
@type regexp
expression /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/
time_format %Y-%m-%dT%H:%M:%S.%N%:z
time_key time
time_type string
localtime false
</parse>
</source>
containers-filters.conf: |-
#Events are emitted to the CONCAT label from the container for multiline processing.
<label @containers>
# add kubernetes metadata
<filter kubernetes.**>
@type kubernetes_metadata
@id kubernetes_metadata
annotation_match [ "^fluentd" ]
de_dot false
</filter>
<filter kubernetes.**>
@type record_transformer
@id kubernetes_metadata.filters
enable_ruby
<record>
fluentd_include ${record.dig("kubernetes", "annotations", "fluentd/include") ? record.dig("kubernetes", "annotations", "fluentd/include") : record.dig("kubernetes", "namespace_annotations", "fluentd/include") ? (record["kubernetes"]["namespace_annotations"]["fluentd/include"]) : ("false")}
fluentd_multiline ${record.dig("kubernetes", "annotations", "fluentd/multiline") ? record.dig("kubernetes", "annotations", "fluentd/multiline") : record.dig("kubernetes", "namespace_annotations", "fluentd/multiline") ? (record["kubernetes"]["namespace_annotations"]["fluentd/multiline"]) : ("false")}
</record>
</filter>
<filter kubernetes.**>
@type grep
@id id_grep.fluentd_include
<regexp>
key fluentd_include
pattern /^true$/
</regexp>
</filter>
<filter kubernetes.**>
@type prometheus
@id id_prometheus.in
<metric>
name fluentd_input_status_num_records_total
type counter
desc The total number of incoming records per namespace
<labels>
namespace $.kubernetes.namespace_name
</labels>
</metric>
</filter>
<match kubernetes.**>
@type rewrite_tag_filter
@id kubernetes_multiline_routing
<rule>
key fluentd_multiline
pattern /^false$/
tag plain.${tag}
</rule>
<rule>
key fluentd_multiline
pattern /^false$/
invert true
tag multiline.${tag}
</rule>
</match>
<match multiline.**>
@type relabel
@label @multiline
</match>
<match plain.**>
@type relabel
@label @output
</match>
</label>
<label @multiline>
<filter multiline.**>
@type concat
@id id_concat.multiline
key log
timeout_label @output
stream_identity_key stream
multiline_start_regexp /(^(\d{1,2}:\d{1,2}:\d{1,2},\d{1,3})|^(\d{4}-\d{1,2}-\d{1,2}[ T]\d{1,2}:\d{1,2}:\d{1,2}))/
flush_interval 1s
use_first_timestamp true
</filter>
# relabel and emit to @output
<match multiline.**>
@type relabel
@label @output
</match>
</label>
output.conf: |-
<label @output>
<match **>
@type copy
<store>
@type logzio_buffered
endpoint_url "https://listener-eu.logz.io:8071?token=#{ENV['LOGZIO_TOKEN']}&type=svu4"
output_include_time true
output_include_tags true
http_idle_timeout 10
<buffer>
@type memory
flush_thread_count 4
flush_interval 3s
chunk_limit_size 16m
queue_limit_length 4096
</buffer>
</store>
#<store>
# @id loggly_writer
# @type loggly
# loggly_url "https://logs-01.loggly.com/inputs/#{ENV['LOGGLY_TOKEN']}/tag/svu4"
#</store>
<store>
@type prometheus
<metric>
name fluentd_output_status_num_records_total
type counter
desc The total number of records per namespace
<labels>
namespace $.kubernetes.namespace_name
</labels>
</metric>
</store>
</match>
</label>
prometheus.conf: |-
<source>
@type prometheus
</source>
<source>
@type forward
</source>
<source>
@type prometheus_monitor
<labels>
host ${hostname}
</labels>
</source>
<source>
@type prometheus_output_monitor
<labels>
host ${hostname}
</labels>
</source>
system.conf: |-
<system>
log_level warn
root_dir /tmp/fluentd
</system>
---