From 202a5792bf825685c34620c23afc097501bda285 Mon Sep 17 00:00:00 2001
From: Kaito Ii <kaitoii1111@gmail.com>
Date: Sun, 1 Sep 2024 21:23:09 +0900
Subject: [PATCH] Add fluent

---
 mycluster/fluent/helm-release.yaml            | 70 +++++++++++++++++++
 mycluster/fluent/kustomization.yaml           |  6 ++
 mycluster/fluent/namespace.yaml               |  4 ++
 .../helm-repositories/fluentbit.yaml          |  9 +++
 .../helm-repositories/kustomization.yaml      |  1 +
 5 files changed, 90 insertions(+)
 create mode 100644 mycluster/fluent/helm-release.yaml
 create mode 100644 mycluster/fluent/kustomization.yaml
 create mode 100644 mycluster/fluent/namespace.yaml
 create mode 100644 mycluster/flux-system/helm-repositories/fluentbit.yaml

diff --git a/mycluster/fluent/helm-release.yaml b/mycluster/fluent/helm-release.yaml
new file mode 100644
index 0000000..50d147b
--- /dev/null
+++ b/mycluster/fluent/helm-release.yaml
@@ -0,0 +1,70 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: fluentbit
+  namespace: fluent
+spec:
+  interval: 1h
+  chart:
+    spec:
+      # renovate: registryUrl=https://fluent.github.io/helm-charts
+      chart: fluentbit
+      version: v3.1.6
+      sourceRef:
+        kind: HelmRepository
+        name: fluentbit
+        namespace: flux-system
+  install:
+    createNamespace: true
+  targetNamespace: fluent
+  releaseName: fluent-bit
+  values:
+    kind: DaemonSet
+    rbac:
+      eventsAccess: true
+    flush: 1
+    metricsPort: 2020
+    logLevel: info
+    serviceMonitor:
+      enabled: true
+    dashboards:
+      enabled: true
+    config:
+      service: |
+        [SERVICE]
+            Daemon Off
+            Flush {{ .Values.flush }}
+            Log_Level {{ .Values.logLevel }}
+            Parsers_File /fluent-bit/etc/parsers.conf
+            Parsers_File /fluent-bit/etc/conf/custom_parsers.conf
+            HTTP_Server On
+            HTTP_Listen 0.0.0.0
+            HTTP_Port {{ .Values.metricsPort }}
+            Health_Check On
+      inputs: |
+        [INPUT]
+            Name tail
+            Path /var/log/containers/*.log
+            multiline.parser docker, cri
+            Tag kube.*
+            Mem_Buf_Limit 5MB
+            Skip_Long_Lines On
+        [INPUT]
+            Name systemd
+            Tag host.*
+            Systemd_Filter _SYSTEMD_UNIT=kubelet.service
+            Read_From_Tail On
+      filters: |
+        [FILTER]
+            Name kubernetes
+            Match kube.*
+            Merge_Log On
+            Keep_Log Off
+            K8S-Logging.Parser On
+            K8S-Logging.Exclude On
+      outputs: |
+        [OUTPUT]
+            Name stdout
+            Match *
+
diff --git a/mycluster/fluent/kustomization.yaml b/mycluster/fluent/kustomization.yaml
new file mode 100644
index 0000000..9f5597c
--- /dev/null
+++ b/mycluster/fluent/kustomization.yaml
@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- namespace.yaml
+- helm-release.yaml
+- servicemonitor.yaml
diff --git a/mycluster/fluent/namespace.yaml b/mycluster/fluent/namespace.yaml
new file mode 100644
index 0000000..243bf5a
--- /dev/null
+++ b/mycluster/fluent/namespace.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: fluent
diff --git a/mycluster/flux-system/helm-repositories/fluentbit.yaml b/mycluster/flux-system/helm-repositories/fluentbit.yaml
new file mode 100644
index 0000000..92b577c
--- /dev/null
+++ b/mycluster/flux-system/helm-repositories/fluentbit.yaml
@@ -0,0 +1,9 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: fluentbit
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://fluent.github.io/helm-charts
diff --git a/mycluster/flux-system/helm-repositories/kustomization.yaml b/mycluster/flux-system/helm-repositories/kustomization.yaml
index 0a6a46d..bdb2c25 100644
--- a/mycluster/flux-system/helm-repositories/kustomization.yaml
+++ b/mycluster/flux-system/helm-repositories/kustomization.yaml
@@ -4,6 +4,7 @@ namespace: flux-system
 resources:
   - aqua.yaml
   - flagger.yaml
+  - fluentbit.yaml
   - jetstack.yaml
   - longhorn.yaml
   - metallb.yaml