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@iml1111
Created November 5, 2023 13:40
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EKS Workshop: Container Insight Daemon-sets
# {{cluster_name}}
# {{region_name}} = ap-northeast-2
# {{http_server_toggle}} = On
# {{http_server_port}} = 2020
# {{read_from_head}} = Off
# {{read_from_tail}} = On
# create amazon-cloudwatch namespace
apiVersion: v1
kind: Namespace
metadata:
name: amazon-cloudwatch
labels:
name: amazon-cloudwatch
---
# create cwagent service account and role binding
apiVersion: v1
kind: ServiceAccount
metadata:
name: cloudwatch-agent
namespace: amazon-cloudwatch
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: cloudwatch-agent-role
rules:
- apiGroups: [""]
resources: ["pods", "nodes", "endpoints"]
verbs: ["list", "watch"]
- apiGroups: ["apps"]
resources: ["replicasets"]
verbs: ["list", "watch"]
- apiGroups: ["batch"]
resources: ["jobs"]
verbs: ["list", "watch"]
- apiGroups: [""]
resources: ["nodes/proxy"]
verbs: ["get"]
- apiGroups: [""]
resources: ["nodes/stats", "configmaps", "events"]
verbs: ["create"]
- apiGroups: [""]
resources: ["configmaps"]
resourceNames: ["cwagent-clusterleader"]
verbs: ["get","update"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: cloudwatch-agent-role-binding
subjects:
- kind: ServiceAccount
name: cloudwatch-agent
namespace: amazon-cloudwatch
roleRef:
kind: ClusterRole
name: cloudwatch-agent-role
apiGroup: rbac.authorization.k8s.io
---
# create configmap for cwagent config
apiVersion: v1
data:
# Configuration is in Json format. No matter what configure change you make,
# please keep the Json blob valid.
cwagentconfig.json: |
{
"agent": {
"region": "ap-northeast-2"
},
"logs": {
"metrics_collected": {
"kubernetes": {
"cluster_name": "Tony-Test-Light",
"metrics_collection_interval": 60
}
},
"force_flush_interval": 5
}
}
kind: ConfigMap
metadata:
name: cwagentconfig
namespace: amazon-cloudwatch
---
# deploy cwagent as daemonset
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: cloudwatch-agent
namespace: amazon-cloudwatch
spec:
selector:
matchLabels:
name: cloudwatch-agent
template:
metadata:
labels:
name: cloudwatch-agent
spec:
containers:
- name: cloudwatch-agent
image: amazon/cloudwatch-agent:1.247354.0b251981
#ports:
# - containerPort: 8125
# hostPort: 8125
# protocol: UDP
resources:
limits:
cpu: 200m
memory: 200Mi
requests:
cpu: 200m
memory: 200Mi
# Please don't change below envs
env:
- name: HOST_IP
valueFrom:
fieldRef:
fieldPath: status.hostIP
- name: HOST_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: K8S_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: CI_VERSION
value: "k8s/1.3.11"
# Please don't change the mountPath
volumeMounts:
- name: cwagentconfig
mountPath: /etc/cwagentconfig
- name: rootfs
mountPath: /rootfs
readOnly: true
- name: dockersock
mountPath: /var/run/docker.sock
readOnly: true
- name: varlibdocker
mountPath: /var/lib/docker
readOnly: true
- name: containerdsock
mountPath: /run/containerd/containerd.sock
readOnly: true
- name: sys
mountPath: /sys
readOnly: true
- name: devdisk
mountPath: /dev/disk
readOnly: true
volumes:
- name: cwagentconfig
configMap:
name: cwagentconfig
- name: rootfs
hostPath:
path: /
- name: dockersock
hostPath:
path: /var/run/docker.sock
- name: varlibdocker
hostPath:
path: /var/lib/docker
- name: containerdsock
hostPath:
path: /run/containerd/containerd.sock
- name: sys
hostPath:
path: /sys
- name: devdisk
hostPath:
path: /dev/disk/
terminationGracePeriodSeconds: 60
serviceAccountName: cloudwatch-agent
---
# create configmap for cluster name and aws region for CloudWatch Logs
# need to replace the placeholders Tony-Test-Light and ap-northeast-2
# and need to replace "On" and "2020"
# and need to replace "Off" and "On"
apiVersion: v1
data:
cluster.name: Tony-Test-Light
logs.region: ap-northeast-2
http.server: "On"
http.port: "2020"
read.head: "Off"
read.tail: "On"
kind: ConfigMap
metadata:
name: fluent-bit-cluster-info
namespace: amazon-cloudwatch
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: fluent-bit
namespace: amazon-cloudwatch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: fluent-bit-role
rules:
- nonResourceURLs:
- /metrics
verbs:
- get
- apiGroups: [""]
resources:
- namespaces
- pods
- pods/logs
- nodes
- nodes/proxy
verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: fluent-bit-role-binding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: fluent-bit-role
subjects:
- kind: ServiceAccount
name: fluent-bit
namespace: amazon-cloudwatch
---
apiVersion: v1
kind: ConfigMap
metadata:
name: fluent-bit-config
namespace: amazon-cloudwatch
labels:
k8s-app: fluent-bit
data:
fluent-bit.conf: |
[SERVICE]
Flush 5
Log_Level info
Daemon off
Parsers_File parsers.conf
HTTP_Server ${HTTP_SERVER}
HTTP_Listen 0.0.0.0
HTTP_Port ${HTTP_PORT}
storage.path /var/fluent-bit/state/flb-storage/
storage.sync normal
storage.checksum off
storage.backlog.mem_limit 5M
@INCLUDE application-log.conf
@INCLUDE dataplane-log.conf
@INCLUDE host-log.conf
application-log.conf: |
[INPUT]
Name tail
Tag application.*
Exclude_Path /var/log/containers/cloudwatch-agent*, /var/log/containers/fluent-bit*, /var/log/containers/aws-node*, /var/log/containers/kube-proxy*
Path /var/log/containers/*.log
Docker_Mode On
Docker_Mode_Flush 5
Docker_Mode_Parser container_firstline
Parser docker
DB /var/fluent-bit/state/flb_container.db
Mem_Buf_Limit 50MB
Skip_Long_Lines On
Refresh_Interval 10
Rotate_Wait 30
storage.type filesystem
Read_from_Head ${READ_FROM_HEAD}
[INPUT]
Name tail
Tag application.*
Path /var/log/containers/fluent-bit*
Parser docker
DB /var/fluent-bit/state/flb_log.db
Mem_Buf_Limit 5MB
Skip_Long_Lines On
Refresh_Interval 10
Read_from_Head ${READ_FROM_HEAD}
[INPUT]
Name tail
Tag application.*
Path /var/log/containers/cloudwatch-agent*
Docker_Mode On
Docker_Mode_Flush 5
Docker_Mode_Parser cwagent_firstline
Parser docker
DB /var/fluent-bit/state/flb_cwagent.db
Mem_Buf_Limit 5MB
Skip_Long_Lines On
Refresh_Interval 10
Read_from_Head ${READ_FROM_HEAD}
[FILTER]
Name kubernetes
Match application.*
Kube_URL https://kubernetes.default.svc:443
Kube_Tag_Prefix application.var.log.containers.
Merge_Log On
Merge_Log_Key log_processed
K8S-Logging.Parser On
K8S-Logging.Exclude Off
Labels Off
Annotations Off
Use_Kubelet On
Kubelet_Port 10250
Buffer_Size 0
[OUTPUT]
Name cloudwatch_logs
Match application.*
region ${AWS_REGION}
log_group_name /aws/containerinsights/${CLUSTER_NAME}/application
log_stream_prefix ${HOST_NAME}-
auto_create_group true
extra_user_agent container-insights
dataplane-log.conf: |
[INPUT]
Name systemd
Tag dataplane.systemd.*
Systemd_Filter _SYSTEMD_UNIT=docker.service
Systemd_Filter _SYSTEMD_UNIT=kubelet.service
DB /var/fluent-bit/state/systemd.db
Path /var/log/journal
Read_From_Tail ${READ_FROM_TAIL}
[INPUT]
Name tail
Tag dataplane.tail.*
Path /var/log/containers/aws-node*, /var/log/containers/kube-proxy*
Docker_Mode On
Docker_Mode_Flush 5
Docker_Mode_Parser container_firstline
Parser docker
DB /var/fluent-bit/state/flb_dataplane_tail.db
Mem_Buf_Limit 50MB
Skip_Long_Lines On
Refresh_Interval 10
Rotate_Wait 30
storage.type filesystem
Read_from_Head ${READ_FROM_HEAD}
[FILTER]
Name modify
Match dataplane.systemd.*
Rename _HOSTNAME hostname
Rename _SYSTEMD_UNIT systemd_unit
Rename MESSAGE message
Remove_regex ^((?!hostname|systemd_unit|message).)*$
[FILTER]
Name aws
Match dataplane.*
imds_version v1
[OUTPUT]
Name cloudwatch_logs
Match dataplane.*
region ${AWS_REGION}
log_group_name /aws/containerinsights/${CLUSTER_NAME}/dataplane
log_stream_prefix ${HOST_NAME}-
auto_create_group true
extra_user_agent container-insights
host-log.conf: |
[INPUT]
Name tail
Tag host.dmesg
Path /var/log/dmesg
Parser syslog
DB /var/fluent-bit/state/flb_dmesg.db
Mem_Buf_Limit 5MB
Skip_Long_Lines On
Refresh_Interval 10
Read_from_Head ${READ_FROM_HEAD}
[INPUT]
Name tail
Tag host.messages
Path /var/log/messages
Parser syslog
DB /var/fluent-bit/state/flb_messages.db
Mem_Buf_Limit 5MB
Skip_Long_Lines On
Refresh_Interval 10
Read_from_Head ${READ_FROM_HEAD}
[INPUT]
Name tail
Tag host.secure
Path /var/log/secure
Parser syslog
DB /var/fluent-bit/state/flb_secure.db
Mem_Buf_Limit 5MB
Skip_Long_Lines On
Refresh_Interval 10
Read_from_Head ${READ_FROM_HEAD}
[FILTER]
Name aws
Match host.*
imds_version v1
[OUTPUT]
Name cloudwatch_logs
Match host.*
region ${AWS_REGION}
log_group_name /aws/containerinsights/${CLUSTER_NAME}/host
log_stream_prefix ${HOST_NAME}.
auto_create_group true
extra_user_agent container-insights
parsers.conf: |
[PARSER]
Name docker
Format json
Time_Key time
Time_Format %Y-%m-%dT%H:%M:%S.%LZ
[PARSER]
Name syslog
Format regex
Regex ^(?<time>[^ ]* {1,2}[^ ]* [^ ]*) (?<host>[^ ]*) (?<ident>[a-zA-Z0-9_\/\.\-]*)(?:\[(?<pid>[0-9]+)\])?(?:[^\:]*\:)? *(?<message>.*)$
Time_Key time
Time_Format %b %d %H:%M:%S
[PARSER]
Name container_firstline
Format regex
Regex (?<log>(?<="log":")\S(?!\.).*?)(?<!\\)".*(?<stream>(?<="stream":").*?)".*(?<time>\d{4}-\d{1,2}-\d{1,2}T\d{2}:\d{2}:\d{2}\.\w*).*(?=})
Time_Key time
Time_Format %Y-%m-%dT%H:%M:%S.%LZ
[PARSER]
Name cwagent_firstline
Format regex
Regex (?<log>(?<="log":")\d{4}[\/-]\d{1,2}[\/-]\d{1,2}[ T]\d{2}:\d{2}:\d{2}(?!\.).*?)(?<!\\)".*(?<stream>(?<="stream":").*?)".*(?<time>\d{4}-\d{1,2}-\d{1,2}T\d{2}:\d{2}:\d{2}\.\w*).*(?=})
Time_Key time
Time_Format %Y-%m-%dT%H:%M:%S.%LZ
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: fluent-bit
namespace: amazon-cloudwatch
labels:
k8s-app: fluent-bit
version: v1
kubernetes.io/cluster-service: "true"
spec:
selector:
matchLabels:
k8s-app: fluent-bit
template:
metadata:
labels:
k8s-app: fluent-bit
version: v1
kubernetes.io/cluster-service: "true"
spec:
containers:
- name: fluent-bit
image: public.ecr.aws/aws-observability/aws-for-fluent-bit:stable
imagePullPolicy: Always
env:
- name: AWS_REGION
valueFrom:
configMapKeyRef:
name: fluent-bit-cluster-info
key: logs.region
- name: CLUSTER_NAME
valueFrom:
configMapKeyRef:
name: fluent-bit-cluster-info
key: cluster.name
- name: HTTP_SERVER
valueFrom:
configMapKeyRef:
name: fluent-bit-cluster-info
key: http.server
- name: HTTP_PORT
valueFrom:
configMapKeyRef:
name: fluent-bit-cluster-info
key: http.port
- name: READ_FROM_HEAD
valueFrom:
configMapKeyRef:
name: fluent-bit-cluster-info
key: read.head
- name: READ_FROM_TAIL
valueFrom:
configMapKeyRef:
name: fluent-bit-cluster-info
key: read.tail
- name: HOST_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: HOSTNAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.name
- name: CI_VERSION
value: "k8s/1.3.11"
resources:
limits:
memory: 200Mi
requests:
cpu: 500m
memory: 100Mi
volumeMounts:
# Please don't change below read-only permissions
- name: fluentbitstate
mountPath: /var/fluent-bit/state
- name: varlog
mountPath: /var/log
readOnly: true
- name: varlibdockercontainers
mountPath: /var/lib/docker/containers
readOnly: true
- name: fluent-bit-config
mountPath: /fluent-bit/etc/
- name: runlogjournal
mountPath: /run/log/journal
readOnly: true
- name: dmesg
mountPath: /var/log/dmesg
readOnly: true
terminationGracePeriodSeconds: 10
hostNetwork: true
dnsPolicy: ClusterFirstWithHostNet
volumes:
- name: fluentbitstate
hostPath:
path: /var/fluent-bit/state
- name: varlog
hostPath:
path: /var/log
- name: varlibdockercontainers
hostPath:
path: /var/lib/docker/containers
- name: fluent-bit-config
configMap:
name: fluent-bit-config
- name: runlogjournal
hostPath:
path: /run/log/journal
- name: dmesg
hostPath:
path: /var/log/dmesg
serviceAccountName: fluent-bit
tolerations:
- key: node-role.kubernetes.io/master
operator: Exists
effect: NoSchedule
- operator: "Exists"
effect: "NoExecute"
- operator: "Exists"
effect: "NoSchedule"
# create amazon-cloudwatch namespace
apiVersion: v1
kind: Namespace
metadata:
name: amazon-cloudwatch
labels:
name: amazon-cloudwatch
---
# create cwagent service account and role binding
apiVersion: v1
kind: ServiceAccount
metadata:
name: cloudwatch-agent
namespace: amazon-cloudwatch
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: cloudwatch-agent-role
rules:
- apiGroups: [""]
resources: ["pods", "nodes", "endpoints"]
verbs: ["list", "watch"]
- apiGroups: ["apps"]
resources: ["replicasets", "daemonsets", "deployments"]
verbs: ["list", "watch"]
- apiGroups: ["batch"]
resources: ["jobs"]
verbs: ["list", "watch"]
- apiGroups: [""]
resources: ["nodes/proxy"]
verbs: ["get"]
- apiGroups: [""]
resources: ["nodes/stats", "configmaps", "events"]
verbs: ["create"]
- apiGroups: [""]
resources: ["configmaps"]
resourceNames: ["cwagent-clusterleader"]
verbs: ["get","update"]
- nonResourceURLs: ["/metrics"]
verbs: ["get", "list", "watch"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: cloudwatch-agent-role-binding
subjects:
- kind: ServiceAccount
name: cloudwatch-agent
namespace: amazon-cloudwatch
roleRef:
kind: ClusterRole
name: cloudwatch-agent-role
apiGroup: rbac.authorization.k8s.io
---
# create configmap for cwagent config
apiVersion: v1
data:
# Configuration is in Json format. No matter what configure change you make,
# please keep the Json blob valid.
cwagentconfig.json: |
{
"agent": {
"region": "{{region_name}}"
},
"logs": {
"metrics_collected": {
"kubernetes": {
"cluster_name": "{{cluster_name}}",
"metrics_collection_interval": 60
}
},
"force_flush_interval": 5
}
}
kind: ConfigMap
metadata:
name: cwagentconfig
namespace: amazon-cloudwatch
---
# deploy cwagent as daemonset
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: cloudwatch-agent
namespace: amazon-cloudwatch
spec:
selector:
matchLabels:
name: cloudwatch-agent
template:
metadata:
labels:
name: cloudwatch-agent
spec:
containers:
- name: cloudwatch-agent
image: public.ecr.aws/cloudwatch-agent/cloudwatch-agent:1.300028.1b210
#ports:
# - containerPort: 8125
# hostPort: 8125
# protocol: UDP
resources:
limits:
cpu: 400m
memory: 400Mi
requests:
cpu: 400m
memory: 400Mi
# Please don't change below envs
env:
- name: HOST_IP
valueFrom:
fieldRef:
fieldPath: status.hostIP
- name: HOST_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: K8S_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: CI_VERSION
value: "k8s/1.3.17"
# Please don't change the mountPath
volumeMounts:
- name: cwagentconfig
mountPath: /etc/cwagentconfig
- name: rootfs
mountPath: /rootfs
readOnly: true
- name: dockersock
mountPath: /var/run/docker.sock
readOnly: true
- name: varlibdocker
mountPath: /var/lib/docker
readOnly: true
- name: containerdsock
mountPath: /run/containerd/containerd.sock
readOnly: true
- name: sys
mountPath: /sys
readOnly: true
- name: devdisk
mountPath: /dev/disk
readOnly: true
nodeSelector:
kubernetes.io/os: linux
volumes:
- name: cwagentconfig
configMap:
name: cwagentconfig
- name: rootfs
hostPath:
path: /
- name: dockersock
hostPath:
path: /var/run/docker.sock
- name: varlibdocker
hostPath:
path: /var/lib/docker
- name: containerdsock
hostPath:
path: /run/containerd/containerd.sock
- name: sys
hostPath:
path: /sys
- name: devdisk
hostPath:
path: /dev/disk/
terminationGracePeriodSeconds: 60
serviceAccountName: cloudwatch-agent
---
# create configmap for cluster name and aws region for CloudWatch Logs
# need to replace the placeholders {{cluster_name}} and {{region_name}}
apiVersion: v1
data:
cluster.name: {{cluster_name}}
logs.region: {{region_name}}
kind: ConfigMap
metadata:
name: cluster-info
namespace: amazon-cloudwatch
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: fluentd
namespace: amazon-cloudwatch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: fluentd-role
rules:
- apiGroups: [""]
resources:
- namespaces
- pods
- pods/logs
verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: fluentd-role-binding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: fluentd-role
subjects:
- kind: ServiceAccount
name: fluentd
namespace: amazon-cloudwatch
---
apiVersion: v1
kind: ConfigMap
metadata:
name: fluentd-config
namespace: amazon-cloudwatch
labels:
k8s-app: fluentd-cloudwatch
data:
kubernetes.conf: |
kubernetes.conf
fluent.conf: |
@include containers.conf
@include systemd.conf
@include host.conf
<match fluent.**>
@type null
</match>
containers.conf: |
<source>
@type tail
@id in_tail_container_logs
@label @containers
path /var/log/containers/*.log
exclude_path ["/var/log/containers/cloudwatch-agent*", "/var/log/containers/fluentd*"]
pos_file /var/log/fluentd-containers.log.pos
tag *
read_from_head true
<parse>
@type "#{ENV['FLUENT_CONTAINER_TAIL_PARSER_TYPE'] || 'json'}"
time_format %Y-%m-%dT%H:%M:%S.%N%:z
</parse>
</source>
<source>
@type tail
@id in_tail_cwagent_logs
@label @cwagentlogs
path /var/log/containers/cloudwatch-agent*
pos_file /var/log/cloudwatch-agent.log.pos
tag *
read_from_head true
<parse>
@type json
time_format %Y-%m-%dT%H:%M:%S.%NZ
</parse>
</source>
<source>
@type tail
@id in_tail_fluentd_logs
@label @fluentdlogs
path /var/log/containers/fluentd*
pos_file /var/log/fluentd.log.pos
tag *
read_from_head true
<parse>
@type json
time_format %Y-%m-%dT%H:%M:%S.%NZ
</parse>
</source>
<label @fluentdlogs>
<filter **>
@type kubernetes_metadata
@id filter_kube_metadata_fluentd
watch false
</filter>
<filter **>
@type record_transformer
@id filter_fluentd_stream_transformer
<record>
stream_name ${tag_parts[3]}
</record>
</filter>
<match **>
@type relabel
@label @NORMAL
</match>
</label>
<label @containers>
<filter **>
@type kubernetes_metadata
@id filter_kube_metadata
watch false
</filter>
<filter **>
@type record_transformer
@id filter_containers_stream_transformer
<record>
stream_name ${tag_parts[3]}
</record>
</filter>
<filter **>
@type concat
key log
multiline_start_regexp /^\S/
separator ""
flush_interval 5
timeout_label @NORMAL
</filter>
<match **>
@type relabel
@label @NORMAL
</match>
</label>
<label @cwagentlogs>
<filter **>
@type kubernetes_metadata
@id filter_kube_metadata_cwagent
watch false
</filter>
<filter **>
@type record_transformer
@id filter_cwagent_stream_transformer
<record>
stream_name ${tag_parts[3]}
</record>
</filter>
<filter **>
@type concat
key log
multiline_start_regexp /^\d{4}[-/]\d{1,2}[-/]\d{1,2}/
separator ""
flush_interval 5
timeout_label @NORMAL
</filter>
<match **>
@type relabel
@label @NORMAL
</match>
</label>
<label @NORMAL>
<match **>
@type cloudwatch_logs
@id out_cloudwatch_logs_containers
region "#{ENV.fetch('AWS_REGION')}"
log_group_name "/aws/containerinsights/#{ENV.fetch('CLUSTER_NAME')}/application"
log_stream_name_key stream_name
remove_log_stream_name_key true
auto_create_stream true
<buffer>
flush_interval 5
chunk_limit_size 2m
queued_chunks_limit_size 32
retry_forever true
</buffer>
</match>
</label>
systemd.conf: |
<source>
@type systemd
@id in_systemd_kubelet
@label @systemd
filters [{ "_SYSTEMD_UNIT": "kubelet.service" }]
<entry>
field_map {"MESSAGE": "message", "_HOSTNAME": "hostname", "_SYSTEMD_UNIT": "systemd_unit"}
field_map_strict true
</entry>
path /var/log/journal
<storage>
@type local
persistent true
path /var/log/fluentd-journald-kubelet-pos.json
</storage>
read_from_head true
tag kubelet.service
</source>
<source>
@type systemd
@id in_systemd_kubeproxy
@label @systemd
filters [{ "_SYSTEMD_UNIT": "kubeproxy.service" }]
<entry>
field_map {"MESSAGE": "message", "_HOSTNAME": "hostname", "_SYSTEMD_UNIT": "systemd_unit"}
field_map_strict true
</entry>
path /var/log/journal
<storage>
@type local
persistent true
path /var/log/fluentd-journald-kubeproxy-pos.json
</storage>
read_from_head true
tag kubeproxy.service
</source>
<source>
@type systemd
@id in_systemd_docker
@label @systemd
filters [{ "_SYSTEMD_UNIT": "docker.service" }]
<entry>
field_map {"MESSAGE": "message", "_HOSTNAME": "hostname", "_SYSTEMD_UNIT": "systemd_unit"}
field_map_strict true
</entry>
path /var/log/journal
<storage>
@type local
persistent true
path /var/log/fluentd-journald-docker-pos.json
</storage>
read_from_head true
tag docker.service
</source>
<label @systemd>
<filter **>
@type kubernetes_metadata
@id filter_kube_metadata_systemd
watch false
</filter>
<filter **>
@type record_transformer
@id filter_systemd_stream_transformer
<record>
stream_name ${tag}-${record["hostname"]}
</record>
</filter>
<match **>
@type cloudwatch_logs
@id out_cloudwatch_logs_systemd
region "#{ENV.fetch('AWS_REGION')}"
log_group_name "/aws/containerinsights/#{ENV.fetch('CLUSTER_NAME')}/dataplane"
log_stream_name_key stream_name
auto_create_stream true
remove_log_stream_name_key true
<buffer>
flush_interval 5
chunk_limit_size 2m
queued_chunks_limit_size 32
retry_forever true
</buffer>
</match>
</label>
host.conf: |
<source>
@type tail
@id in_tail_dmesg
@label @hostlogs
path /var/log/dmesg
pos_file /var/log/dmesg.log.pos
tag host.dmesg
read_from_head true
<parse>
@type syslog
</parse>
</source>
<source>
@type tail
@id in_tail_secure
@label @hostlogs
path /var/log/secure
pos_file /var/log/secure.log.pos
tag host.secure
read_from_head true
<parse>
@type syslog
</parse>
</source>
<source>
@type tail
@id in_tail_messages
@label @hostlogs
path /var/log/messages
pos_file /var/log/messages.log.pos
tag host.messages
read_from_head true
<parse>
@type syslog
</parse>
</source>
<label @hostlogs>
<filter **>
@type kubernetes_metadata
@id filter_kube_metadata_host
watch false
</filter>
<filter **>
@type record_transformer
@id filter_containers_stream_transformer_host
<record>
stream_name ${tag}-${record["host"]}
</record>
</filter>
<match host.**>
@type cloudwatch_logs
@id out_cloudwatch_logs_host_logs
region "#{ENV.fetch('AWS_REGION')}"
log_group_name "/aws/containerinsights/#{ENV.fetch('CLUSTER_NAME')}/host"
log_stream_name_key stream_name
remove_log_stream_name_key true
auto_create_stream true
<buffer>
flush_interval 5
chunk_limit_size 2m
queued_chunks_limit_size 32
retry_forever true
</buffer>
</match>
</label>
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: fluentd-cloudwatch
namespace: amazon-cloudwatch
spec:
selector:
matchLabels:
k8s-app: fluentd-cloudwatch
template:
metadata:
labels:
k8s-app: fluentd-cloudwatch
annotations:
configHash: 8915de4cf9c3551a8dc74c0137a3e83569d28c71044b0359c2578d2e0461825
spec:
serviceAccountName: fluentd
terminationGracePeriodSeconds: 30
# Because the image's entrypoint requires to write on /fluentd/etc but we mount configmap there which is read-only,
# this initContainers workaround or other is needed.
# See https://github.com/fluent/fluentd-kubernetes-daemonset/issues/90
initContainers:
- name: copy-fluentd-config
image: busybox
command: ['sh', '-c', 'cp /config-volume/..data/* /fluentd/etc']
volumeMounts:
- name: config-volume
mountPath: /config-volume
- name: fluentdconf
mountPath: /fluentd/etc
- name: update-log-driver
image: busybox
command: ['sh','-c','']
containers:
- name: fluentd-cloudwatch
image: fluent/fluentd-kubernetes-daemonset:v1.10.3-debian-cloudwatch-1.0
env:
- name: AWS_REGION
valueFrom:
configMapKeyRef:
name: cluster-info
key: logs.region
- name: CLUSTER_NAME
valueFrom:
configMapKeyRef:
name: cluster-info
key: cluster.name
- name: CI_VERSION
value: "k8s/1.3.17"
- name: FLUENT_CONTAINER_TAIL_PARSER_TYPE
value: /^(?<time>.+) (?<stream>stdout|stderr) (?<logtag>[FP]) (?<log>.*)$/
resources:
limits:
memory: 400Mi
requests:
cpu: 100m
memory: 200Mi
volumeMounts:
- name: config-volume
mountPath: /config-volume
- name: fluentdconf
mountPath: /fluentd/etc
- name: fluentd-config
mountPath: /fluentd/etc/kubernetes.conf
subPath: kubernetes.conf
- name: varlog
mountPath: /var/log
- name: varlibdockercontainers
mountPath: /var/lib/docker/containers
readOnly: true
- name: runlogjournal
mountPath: /run/log/journal
readOnly: true
- name: dmesg
mountPath: /var/log/dmesg
readOnly: true
volumes:
- name: config-volume
configMap:
name: fluentd-config
- name: fluentdconf
emptyDir: {}
- name: fluentd-config
configMap:
name: fluentd-config
items:
- key: kubernetes.conf
path: kubernetes.conf
- name: varlog
hostPath:
path: /var/log
- name: varlibdockercontainers
hostPath:
path: /var/lib/docker/containers
- name: runlogjournal
hostPath:
path: /run/log/journal
- name: dmesg
hostPath:
path: /var/log/dmesg
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