chore: add back hosttailer

Signed-off-by: Bence Csati <bence.csati@axoflow.com>

Author: csatib02

charts/logging-operator/README.md

@@ -108,6 +108,16 @@ Use `createCustomResource=false` with Helm v3 to avoid trying to create CRDs fro
 | logging.eventTailer.workloadMetaOverrides | string | `nil` | workloadMetaOverrides |
 | logging.eventTailer.workloadOverrides | string | `nil` | workloadOverrides |
 | logging.eventTailer.containerOverrides | string | `nil` | containerOverrides |
+| logging.hostTailer.enabled | bool | `false` | HostTailer |
+| logging.hostTailer.name | string | `"hosttailer"` | name of HostTailer |
+| logging.hostTailer.image.repository | string | `nil` | repository of eventTailer image |
+| logging.hostTailer.image.tag | string | `nil` | tag of eventTailer image |
+| logging.hostTailer.image.pullPolicy | string | `nil` | pullPolicy of eventTailer image |
+| logging.hostTailer.image.imagePullSecrets | list | `[]` | imagePullSecrets of eventTailer image |
+| logging.hostTailer.workloadMetaOverrides | string | `nil` | workloadMetaOverrides of HostTailer |
+| logging.hostTailer.workloadOverrides | string | `nil` | workloadOverrides of HostTailer |
+| logging.hostTailer.fileTailers | list | `[]` | configure fileTailers of HostTailer example:   - name: sample-file     path: /var/log/sample-file     disabled: false     buffer_max_size:     buffer_chunk_size:     skip_long_lines:     read_from_head: false     containerOverrides:     image: |
+| logging.hostTailer.systemdTailers | list | `[]` | configure systemdTailers of HostTailer example:   - name: system-sample     disabled: false     systemdFilter: kubelet.service     maxEntries: 20     containerOverrides:     image: |
 | logging.hostTailers.enabled | bool | `false` | Enable all hostTailers |
 | logging.hostTailers.instances | list | `[]` | List of hostTailers configurations |
 | testReceiver.enabled | bool | `false` |  |

charts/logging-operator/templates/logging/hosttailer.yaml

@@ -1,6 +1,5 @@
-{{- if and $.Values.logging.enabled $.Values.logging.hostTailers.enabled }}
-{{- range .Values.logging.hostTailers.instances }}
-{{- if .enabled }}
+{{- with .Values.logging.hostTailer }}
+{{- if and $.Values.logging.enabled .enabled }}
 ---
 apiVersion: logging-extensions.banzaicloud.io/v1alpha1
 kind: HostTailer
@@ -30,4 +29,3 @@ spec:
   {{- end }}
 {{- end }}
 {{- end }}
-{{- end }}

charts/logging-operator/templates/logging/hosttailers.yaml

@@ -0,0 +1,33 @@
+{{- if and $.Values.logging.enabled $.Values.logging.hostTailers.enabled }}
+{{- range .Values.logging.hostTailers.instances }}
+{{- if .enabled }}
+---
+apiVersion: logging-extensions.banzaicloud.io/v1alpha1
+kind: HostTailer
+metadata:
+  name: {{ .name }}
+spec:
+  {{- with .fileTailers }}
+  fileTailers:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .systemdTailers }}
+  systemdTailers:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  enableRecreateWorkloadOnImmutableFieldChange: {{ $.Values.logging.enableRecreateWorkloadOnImmutableFieldChange }}
+  {{- with .workloadMetaOverrides }}
+  workloadMetaOverrides:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .workloadOverrides }}
+  workloadOverrides:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .image }}
+  image:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}
+{{- end }}
+{{- end }}

charts/logging-operator/values.yaml

@@ -284,6 +284,47 @@ logging:
     # -- containerOverrides
     containerOverrides:
 
+  # DEPRECATED: HostTailer config will be removed, use hostTailers instead
+  hostTailer:
+    # -- HostTailer
+    enabled: false
+    # -- name of HostTailer
+    name: hosttailer
+    image:
+      # -- repository of eventTailer image
+      repository:
+      # -- tag of eventTailer image
+      tag:
+      # -- pullPolicy of eventTailer image
+      pullPolicy:
+      # -- imagePullSecrets of eventTailer image
+      imagePullSecrets: []
+    # -- workloadMetaOverrides of HostTailer
+    workloadMetaOverrides:
+    # -- workloadOverrides of HostTailer
+    workloadOverrides:
+    # -- configure fileTailers of HostTailer
+    # example:
+    #   - name: sample-file
+    #     path: /var/log/sample-file
+    #     disabled: false
+    #     buffer_max_size:
+    #     buffer_chunk_size:
+    #     skip_long_lines:
+    #     read_from_head: false
+    #     containerOverrides:
+    #     image:
+    fileTailers: []
+    # -- configure systemdTailers of HostTailer
+    # example:
+    #   - name: system-sample
+    #     disabled: false
+    #     systemdFilter: kubelet.service
+    #     maxEntries: 20
+    #     containerOverrides:
+    #     image:
+    systemdTailers: []
+
   hostTailers:
     # -- Enable all hostTailers
     enabled: false