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clean-up kubectl since graylog detects the masternode now, supply dat…
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…a_dir for graylog 6

Signed-off-by: metron2 <[email protected]>
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metron2 committed May 30, 2024
1 parent 1e7274b commit 8ca7323
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Showing 4 changed files with 11 additions and 57 deletions.
2 changes: 1 addition & 1 deletion charts/graylog/Chart.yaml
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
apiVersion: v2
name: graylog
home: https://www.graylog.org
version: 2.3.7
version: 2.3.8
appVersion: 5.2.6
description: Graylog is the centralized log management solution built to open
standards for capturing, storing, and enabling real-time analysis of terabytes
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31 changes: 1 addition & 30 deletions charts/graylog/templates/configmap.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,7 @@ data:
{{- end }}
{{- if .Values.graylog.trustedProxies }}
trusted_proxies = {{.Values.graylog.trustedProxies}}
data_dir = /usr/share/graylog/data
{{- end }}
{{- if .Values.graylog.config }}
{{ .Values.graylog.config | indent 4 }}
Expand All @@ -162,36 +163,6 @@ data:
find ${GRAYLOG_HOME}/plugins-default/ -type f -exec cp {} ${GRAYLOG_PLUGIN_DIR} \;
# Looking for Master IP
retry=1
for i in {0..2}
do
MASTER_IP=`/k8s/kubectl --namespace {{ .Release.Namespace }} get pod -o jsonpath='{range .items[*]}{.metadata.name} {.status.podIP}{"\n"}{end}' -l graylog-role=master --field-selector=status.phase=Running|awk '{print $2}'`
SELF_IP=`/k8s/kubectl --namespace {{ .Release.Namespace }} get pod $HOSTNAME -o jsonpath='{.status.podIP}'`
echo "Current master is $MASTER_IP"
echo "Self IP is $SELF_IP"
retry=$((retry+1))
[[ ! -z "$MASTER_IP" ]] && break
echo "[Try ${retry}/3] Waiting for master node..."
sleep 2
done
if [[ -z "$MASTER_IP" ]]; then
echo "Launching $HOSTNAME as master"
export GRAYLOG_IS_MASTER="true"
export GRAYLOG_IS_LEADER="true"
/k8s/kubectl --namespace {{ .Release.Namespace }} label --overwrite pod $HOSTNAME graylog-role="master"
else
# When container was recreated or restart, MASTER_IP == SELF_IP, running as master and no need to change label graylog-role="master"
if [ "$SELF_IP" == "$MASTER_IP" ];then
echo "Launching $HOSTNAME as master"
export GRAYLOG_IS_MASTER="true"
export GRAYLOG_IS_LEADER="true"
else
# MASTER_IP != SELF_IP, running as coordinating
echo "Launching $HOSTNAME as coordinating"
export GRAYLOG_IS_MASTER="false"
export GRAYLOG_IS_LEADER="false"
/k8s/kubectl --namespace {{ .Release.Namespace }} label --overwrite pod $HOSTNAME graylog-role="coordinating"
fi
fi
# Download plugins
{{- if .Values.graylog.plugins.proxy.enabled }}
export https_proxy={{ .Values.graylog.plugins.proxy.host }}
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28 changes: 9 additions & 19 deletions charts/graylog/templates/statefulset.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ metadata:
{{- with .Values.graylog.customLabels }}
{{ . | toYaml | indent 4 }}
{{- end }}
{{ $graylogVersion := .Values.graylog.image.tag | default .Chart.AppVersion }}
spec:
serviceName: {{ template "graylog.service.headless.name" . }}
replicas: {{ .Values.graylog.replicas }}
Expand Down Expand Up @@ -74,14 +75,6 @@ spec:
rm -rf /usr/share/graylog/data/journal/messagejournal-0
rm -rf /usr/share/graylog/data/journal/recovery-point-offset-checkpoint
{{- end }}
{{- if .Values.graylog.init.kubectlLocation }}
wget {{ .Values.graylog.init.kubectlLocation }} -O /k8s/kubectl
{{- else }}
{{.Capabilities.KubeVersion}}
wget https://dl.k8s.io/release/{{ .Values.graylog.init.kubectlVersion | default (regexReplaceAll "-.+" .Capabilities.KubeVersion.Version "") }}/bin/linux/amd64/kubectl -O /k8s/kubectl
{{- end }}
chmod +x /k8s/kubectl

GRAYLOG_HOME=/usr/share/graylog
chown -R 1100:1100 ${GRAYLOG_HOME}/data/
securityContext:
Expand All @@ -94,8 +87,6 @@ spec:
volumeMounts:
- name: journal
mountPath: /usr/share/graylog/data/journal
- name: kubectl
mountPath: /k8s
{{- if .Values.graylog.init.resources }}
resources:
{{ toYaml .Values.graylog.init.resources | indent 12 }}
Expand All @@ -110,6 +101,12 @@ spec:
command:
- /entrypoint.sh
env:
# Kubernetes Auto Master Selection
# https://go2docs.graylog.org/5-0/downloading_and_installing_graylog/docker_installation.htm#KubernetesAutomaticMasterSelection
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: GRAYLOG_SERVER_JAVA_OPTS
{{- $javaOpts := .Values.graylog.javaOpts }}
{{- if .Values.graylog.heapSize }}
Expand Down Expand Up @@ -231,26 +228,21 @@ spec:
- name: files
mountPath: /etc/graylog/server
{{- end }}
- name: kubectl
mountPath: /k8s

{{- if .Values.graylog.extraVolumeMounts }}
{{ toYaml .Values.graylog.extraVolumeMounts | nindent 12 }}
{{- end }}
{{ $graylogVersion := .Values.graylog.image.tag | default .Chart.AppVersion }}
{{- if semverCompare "< 4.2.0-0" ( $graylogVersion ) }}
lifecycle:
preStop:
exec:
command:
- bash
- -ec
- |
ROOT_PASSWORD=`/k8s/kubectl get secret {{ template "graylog.fullname" . }} -o "jsonpath={.data['graylog-password-secret']}" | base64 -d`
curl {{ if .Values.graylog.tls.enabled }}-k{{ end }} -XPOST -sS \
-u "{{ .Values.graylog.rootUsername }}:${ROOT_PASSWORD}" \
-u "{{ .Values.graylog.rootUsername }}:${GRAYLOG_PASSWORD_SECRET}" \
-H "X-Requested-By: {{ template "graylog.fullname" . }}" \
{{ template "graylog.formatUrl" (list . "localhost:9000/api/system/shutdown/shutdown") }}
{{- end }}
{{- if .Values.graylog.sidecarContainers }}
{{ toYaml .Values.graylog.sidecarContainers | nindent 8 }}
{{- end }}
Expand Down Expand Up @@ -278,8 +270,6 @@ spec:
configMap:
name: {{ template "graylog.fullname" . }}-files
{{- end }}
- name: kubectl
emptyDir: {}
{{- if .Values.graylog.extraVolumes }}
{{ toYaml .Values.graylog.extraVolumes | nindent 8 }}
{{- end }}
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7 changes: 0 additions & 7 deletions charts/graylog/values.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -502,13 +502,6 @@ graylog:
repository: "alpine"
pullPolicy: "IfNotPresent"

## Set kubectl location to download and use on init-container. If the value is not set, the https://dl.k8s.io/release/ will be used.
##
kubectlLocation: ""
## Set kubectl command version to download from https://dl.k8s.io/release/. If the value is not set, default value is .Capabilities.KubeVersion.Version
##
# kubectlVersion: "v1.20"

# Additional environment variables to be added to Graylog initContainer
env: {}

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