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logging: Replace Graylog with ZincSearch

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This commit is contained in:
Lauri Võsandi
2022-09-16 08:33:29 +03:00
parent edcb6399df
commit c4208037e2
5 changed files with 238 additions and 495 deletions
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2
logging/README.md
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@@ -14,7 +14,7 @@ To deploy:
``` ```
kubectl create namespace logging kubectl create namespace logging
kubectl apply -n logging -f mongodb-support.yml -f application.yml -f filebeat.yml -f networkpolicy-base.yml kubectl apply -n logging -f zinc.yml -f application.yml -f filebeat.yml -f networkpolicy-base.yml
kubectl rollout restart -n logging daemonset.apps/filebeat kubectl rollout restart -n logging daemonset.apps/filebeat
``` ```

383
logging/application.yml
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@@ -1,86 +1,4 @@
--- ---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: elasticsearch
labels:
app: elasticsearch
spec:
serviceName: elasticsearch
revisionHistoryLimit: 0
replicas: 1
selector:
matchLabels:
app: elasticsearch
template:
metadata:
labels:
app: elasticsearch
spec:
securityContext:
fsGroup: 1000
containers:
- name: elasticsearch
image: elasticsearch:7.17.3
securityContext:
runAsNonRoot: true
runAsUser: 1000
env:
- name: discovery.type
value: single-node
- name: xpack.security.enabled
value: "false"
ports:
- containerPort: 9200
readinessProbe:
httpGet:
path: /_cluster/health
port: 9200
initialDelaySeconds: 5
periodSeconds: 10
failureThreshold: 3
successThreshold: 1
timeoutSeconds: 5
resources:
limits:
memory: "2147483648"
volumeMounts:
- name: elasticsearch-data
mountPath: /usr/share/elasticsearch/data
- name: elasticsearch-tmp
mountPath: /tmp/
volumes:
- emptyDir: {}
name: elasticsearch-keystore
- emptyDir: {}
name: elasticsearch-tmp
- emptyDir: {}
name: elasticsearch-logs
volumeClaimTemplates:
- metadata:
name: elasticsearch-data
spec:
accessModes:
- "ReadWriteOnce"
resources:
requests:
storage: "10Gi"
storageClassName: longhorn
---
apiVersion: v1
kind: Service
metadata:
name: elasticsearch
labels:
app: elasticsearch
spec:
ports:
- name: api
port: 80
targetPort: 9200
selector:
app: elasticsearch
---
apiVersion: v1 apiVersion: v1
kind: Service kind: Service
metadata: metadata:
@@ -149,304 +67,3 @@ spec:
protocol: UDP protocol: UDP
selector: selector:
app: graylog app: graylog
---
apiVersion: v1
kind: Service
metadata:
name: graylog
labels:
app: graylog
spec:
ports:
- name: graylog
port: 9000
protocol: TCP
selector:
app: graylog
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: graylog
labels:
app: graylog
annotations:
keel.sh/policy: minor
keel.sh/trigger: poll
keel.sh/pollSchedule: "@midnight"
spec:
serviceName: graylog
revisionHistoryLimit: 0
replicas: 1
selector:
matchLabels:
app: graylog
template:
metadata:
labels:
app: graylog
annotations:
prometheus.io/port: "9833"
prometheus.io/scrape: "true"
spec:
securityContext:
fsGroup: 1100
volumes:
- name: graylog-config
downwardAPI:
items:
- path: id
fieldRef:
fieldPath: metadata.name
containers:
- name: graylog
image: graylog/graylog:4.3
env:
- name: GRAYLOG_MONGODB_URI
valueFrom:
secretKeyRef:
name: mongodb-application-readwrite
key: connectionString.standard
- name: GRAYLOG_PROMETHEUS_EXPORTER_ENABLED
value: "true"
- name: GRAYLOG_PROMETHEUS_EXPORTER_BIND_ADDRESS
value: "0.0.0.0:9833"
- name: GRAYLOG_NODE_ID_FILE
value: /config/id
- name: GRAYLOG_HTTP_EXTERNAL_URI
value: "https://graylog.k-space.ee/"
- name: GRAYLOG_TRUSTED_PROXIES
value: "0.0.0.0/0"
- name: GRAYLOG_ELASTICSEARCH_HOSTS
value: "http://elasticsearch"
- name: GRAYLOG_MESSAGE_JOURNAL_ENABLED
value: "false"
- name: GRAYLOG_ROTATION_STRATEGY
value: "size"
- name: GRAYLOG_ELASTICSEARCH_MAX_SIZE_PER_INDEX
value: "268435456"
- name: GRAYLOG_ELASTICSEARCH_MAX_NUMBER_OF_INDICES
value: "16"
envFrom:
- secretRef:
name: graylog-secrets
securityContext:
runAsNonRoot: true
runAsUser: 1100
ports:
- containerPort: 9000
name: graylog
- containerPort: 9833
name: graylog-metrics
livenessProbe:
httpGet:
path: /api/system/lbstatus
port: 9000
initialDelaySeconds: 5
periodSeconds: 30
failureThreshold: 3
successThreshold: 1
timeoutSeconds: 5
readinessProbe:
httpGet:
path: /api/system/lbstatus
port: 9000
initialDelaySeconds: 5
periodSeconds: 10
failureThreshold: 3
successThreshold: 1
timeoutSeconds: 5
volumeMounts:
- name: graylog-config
mountPath: /config
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: graylog
annotations:
cert-manager.io/cluster-issuer: default
traefik.ingress.kubernetes.io/router.entrypoints: websecure
traefik.ingress.kubernetes.io/router.tls: "true"
external-dns.alpha.kubernetes.io/target: traefik.k-space.ee
traefik.ingress.kubernetes.io/router.middlewares: traefik-sso@kubernetescrd
spec:
rules:
- host: graylog.k-space.ee
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: graylog
port:
number: 9000
tls:
- hosts:
- graylog.k-space.ee
secretName: graylog-tls
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: graylog
spec:
podSelector:
matchLabels:
app: graylog
policyTypes:
- Ingress
- Egress
egress:
- to:
- podSelector:
matchLabels:
app: elasticsearch
ports:
- port: 9200
- to:
- podSelector:
matchLabels:
app: mongodb-svc
ports:
- port: 27017
ingress:
- from:
- ipBlock:
cidr: 172.23.0.0/16
- ipBlock:
cidr: 172.21.0.0/16
- ipBlock:
cidr: 100.102.0.0/16
ports:
- protocol: UDP
port: 514
- protocol: TCP
port: 514
- from:
- podSelector:
matchLabels:
app: filebeat
ports:
- protocol: TCP
port: 5044
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: monitoring
podSelector:
matchLabels:
app: prometheus
ports:
- port: 9833
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: traefik
podSelector:
matchLabels:
app.kubernetes.io/name: traefik
ports:
- protocol: TCP
port: 9000
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: elasticsearch
spec:
podSelector:
matchLabels:
app: elasticsearch
policyTypes:
- Ingress
- Egress
ingress:
- from:
- podSelector:
matchLabels:
app: graylog
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: monitoring
podSelector:
matchLabels:
app: grafana
egress:
- to:
- ipBlock:
# geoip.elastic.co updates
cidr: 0.0.0.0/0
ports:
- port: 443
---
apiVersion: mongodbcommunity.mongodb.com/v1
kind: MongoDBCommunity
metadata:
name: mongodb
spec:
members: 3
type: ReplicaSet
version: "5.0.9"
security:
authentication:
modes: ["SCRAM"]
users:
- name: readwrite
db: application
passwordSecretRef:
name: mongodb-application-readwrite-password
roles:
- name: readWrite
db: application
scramCredentialsSecretName: mongodb-application-readwrite
- name: readonly
db: application
passwordSecretRef:
name: mongodb-application-readonly-password
roles:
- name: readOnly
db: application
scramCredentialsSecretName: mongodb-application-readonly
statefulSet:
spec:
template:
spec:
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: app
operator: In
values:
- mongodb-svc
topologyKey: kubernetes.io/hostname
nodeSelector:
dedicated: storage
tolerations:
- key: dedicated
operator: Equal
value: storage
effect: NoSchedule
volumeClaimTemplates:
- metadata:
name: logs-volume
spec:
storageClassName: local-path
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 512Mi
- metadata:
name: data-volume
spec:
storageClassName: local-path
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 2Gi

225
logging/filebeat.yml
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@@ -6,18 +6,13 @@ metadata:
namespace: logging namespace: logging
data: data:
filebeat.yml: |- filebeat.yml: |-
setup:
ilm:
enabled: false
template:
name: filebeat
pattern: filebeat-*
http.enabled: true http.enabled: true
filebeat.inputs:
- type: container
paths:
- /var/log/containers/*.log
processors:
- add_kubernetes_metadata:
in_cluster: true
host: ${NODE_NAME}
matchers:
- logs_path:
logs_path: "/var/log/containers/"
filebeat.autodiscover: filebeat.autodiscover:
providers: providers:
- type: kubernetes - type: kubernetes
@@ -27,50 +22,24 @@ data:
type: container type: container
paths: paths:
- /var/log/containers/*${data.kubernetes.container.id}.log - /var/log/containers/*${data.kubernetes.container.id}.log
processors: output:
- add_host_metadata: elasticsearch:
- drop_fields: hosts:
fields: - http://zinc:4080
- stream path: "/es/"
ignore_missing: true index: "filebeat-%{+yyyy.MM.dd}"
- rename: username: "${ZINC_FIRST_ADMIN_USER}"
fields: password: "${ZINC_FIRST_ADMIN_PASSWORD}"
- from: "kubernetes.node.name"
to: "source"
- from: "kubernetes.pod.name"
to: "pod"
- from: "stream"
to: "stream"
- from: "kubernetes.labels.app"
to: "app"
- from: "kubernetes.namespace"
to: "namespace"
ignore_missing: true
- drop_fields:
fields:
- agent
- container
- ecs
- host
- kubernetes
- log
- "@metadata"
ignore_missing: true
output.logstash:
hosts: ["graylog-logstash:5044"]
#output.console:
# pretty: true
--- ---
apiVersion: apps/v1 apiVersion: apps/v1
kind: DaemonSet kind: DaemonSet
metadata: metadata:
name: filebeat name: filebeat
namespace: logging
spec: spec:
updateStrategy: updateStrategy:
type: RollingUpdate type: RollingUpdate
rollingUpdate: rollingUpdate:
maxUnavailable: 100% maxUnavailable: 50%
selector: selector:
matchLabels: matchLabels:
app: filebeat app: filebeat
@@ -78,72 +47,86 @@ spec:
metadata: metadata:
labels: labels:
app: filebeat app: filebeat
annotations:
co.elastic.logs/json.keys_under_root: "true"
spec: spec:
serviceAccountName: filebeat serviceAccountName: filebeat
containers: containers:
- name: filebeat - name: filebeat
image: docker.elastic.co/beats/filebeat:7.17.6 image: docker.elastic.co/beats/filebeat:8.4.1
args: args:
- -c - -c
- /etc/filebeat.yml - /etc/filebeat.yml
- -e - -e
securityContext: securityContext:
runAsUser: 0 runAsUser: 0
env: env:
- name: NODE_NAME - name: NODE_NAME
valueFrom: valueFrom:
fieldRef: fieldRef:
fieldPath: spec.nodeName fieldPath: spec.nodeName
ports: - name: ZINC_FIRST_ADMIN_USER
- containerPort: 5066 value: admin
resources: - name: ZINC_FIRST_ADMIN_PASSWORD
limits: value: salakala
memory: 200Mi ports:
requests: - containerPort: 5066
cpu: 100m resources:
memory: 100Mi limits:
volumeMounts: memory: 200Mi
- name: filebeat-config requests:
mountPath: /etc/filebeat.yml cpu: 100m
readOnly: true memory: 100Mi
subPath: filebeat.yml volumeMounts:
- name: data - name: filebeat-config
mountPath: /usr/share/filebeat/data mountPath: /etc/filebeat.yml
- name: varlibdockercontainers readOnly: true
mountPath: /var/lib/docker/containers subPath: filebeat.yml
readOnly: true - name: data
- name: varlog mountPath: /usr/share/filebeat/data
mountPath: /var/log - name: varlibdockercontainers
readOnly: true mountPath: /var/lib/docker/containers
readOnly: true
- name: varlog
mountPath: /var/log
readOnly: true
- name: exporter
image: sepa/beats-exporter
args:
- -p=5066
ports:
- containerPort: 8080
name: exporter
protocol: TCP
volumes: volumes:
- name: filebeat-config - name: filebeat-config
configMap: configMap:
defaultMode: 0600 defaultMode: 0600
name: filebeat-config name: filebeat-config
- name: varlibdockercontainers - name: varlibdockercontainers
hostPath: hostPath:
path: /var/lib/docker/containers path: /var/lib/docker/containers
- name: varlog - name: varlog
hostPath: hostPath:
path: /var/log path: /var/log
- name: data - name: data
hostPath: hostPath:
path: /var/lib/filebeat-data path: /var/lib/filebeat-data
type: DirectoryOrCreate type: DirectoryOrCreate
tolerations: tolerations:
- operator: "Exists" - operator: "Exists"
effect: "NoExecute" effect: "NoExecute"
- operator: "Exists" - operator: "Exists"
effect: "NoSchedule" effect: "NoSchedule"
--- ---
apiVersion: rbac.authorization.k8s.io/v1 apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding kind: ClusterRoleBinding
metadata: metadata:
name: logging-filebeat name: logging-filebeat
subjects: subjects:
- kind: ServiceAccount - kind: ServiceAccount
name: filebeat name: filebeat
namespace: logging namespace: logging
roleRef: roleRef:
kind: ClusterRole kind: ClusterRole
name: filebeat name: filebeat
@@ -166,13 +149,35 @@ spec:
matchLabels: matchLabels:
app: filebeat app: filebeat
policyTypes: policyTypes:
- Ingress - Ingress
- Egress - Egress
ingress:
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: prometheus-operator
podSelector:
matchLabels:
app.kubernetes.io/name: prometheus
ports:
- protocol: TCP
port: 8080
egress: egress:
- to: - to:
- podSelector: - podSelector:
matchLabels: matchLabels:
app: graylog app: zinc
ports: ports:
- protocol: TCP - protocol: TCP
port: 5044 port: 4080
---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: filebeat
spec:
selector:
matchLabels:
app: filebeat
podMetricsEndpoints:
- port: exporter

1
logging/mongodb-support.yml
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@@ -1 +0,0 @@
../mongodb-operator/mongodb-support.yml

122
logging/zinc.yml Normal file
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@@ -0,0 +1,122 @@
apiVersion: v1
kind: Service
metadata:
name: zinc
spec:
clusterIP: None
selector:
app: zinc
ports:
- name: http
port: 4080
targetPort: 4080
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: zinc
spec:
serviceName: zinc
replicas: 1
selector:
matchLabels:
app: zinc
template:
metadata:
labels:
app: zinc
spec:
securityContext:
fsGroup: 2000
runAsUser: 10000
runAsGroup: 3000
runAsNonRoot: true
containers:
- name: zinc
image: public.ecr.aws/zinclabs/zinc:latest
env:
- name: GIN_MODE
value: release
- name: ZINC_FIRST_ADMIN_USER
value: admin
- name: ZINC_FIRST_ADMIN_PASSWORD
value: salakala
- name: ZINC_DATA_PATH
value: /data
imagePullPolicy: Always
resources:
limits:
cpu: "4"
memory: 2048Mi
requests:
cpu: 32m
memory: 50Mi
ports:
- containerPort: 4080
name: http
volumeMounts:
- name: data
mountPath: /data
volumeClaimTemplates:
- metadata:
name: data
spec:
accessModes:
- ReadWriteOnce
storageClassName: longhorn
resources:
requests:
storage: 20Gi
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: zinc
annotations:
cert-manager.io/cluster-issuer: default
traefik.ingress.kubernetes.io/router.entrypoints: websecure
traefik.ingress.kubernetes.io/router.tls: "true"
external-dns.alpha.kubernetes.io/target: traefik.k-space.ee
traefik.ingress.kubernetes.io/router.middlewares: traefik-sso@kubernetescrd
spec:
rules:
- host: zinc.k-space.ee
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: zinc
port:
number: 4080
tls:
- hosts:
- zinc.k-space.ee
secretName: zinc-tls
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: zinc
spec:
podSelector:
matchLabels:
app: zinc
policyTypes:
- Ingress
ingress:
- from:
- podSelector:
matchLabels:
app: filebeat
ports:
- protocol: TCP
port: 4080
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: traefik
podSelector:
matchLabels:
app.kubernetes.io/name: traefik