k8s-manifests/rds/base/charts/redis/templates/health-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ printf "%s-health" (include "common.names.fullname" .) }}
  namespace: {{ .Release.Namespace }}
  labels: {{- include "common.labels.standard" . | nindent 4 }}
    {{- if .Values.commonLabels }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
    {{- end }}
  {{- if .Values.commonAnnotations }}
  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
  {{- end }}
data:
  ping_readiness_local.sh: |-
    #!/bin/bash

    [[ -f $REDIS_PASSWORD_FILE ]] && export REDIS_PASSWORD="$(< "${REDIS_PASSWORD_FILE}")"
    [[ -n "$REDIS_PASSWORD" ]] && export REDISCLI_AUTH="$REDIS_PASSWORD"
    response=$(
      timeout -s 3 $1 \
      redis-cli \
        -h localhost \    
{{- if .Values.tls.enabled }}
        -p $REDIS_TLS_PORT \
        --tls \
        --cacert {{ template "redis.tlsCACert" . }} \
        {{- if .Values.tls.authClients }}
          --cert {{ template "redis.tlsCert" . }} \
          --key {{ template "redis.tlsCertKey" . }} \
        {{- end }}
{{- else }}
        -p $REDIS_PORT \
{{- end }}
        ping
    )
    if [ "$?" -eq "124" ]; then
      echo "Timed out"
      exit 1
    fi
    if [ "$response" != "PONG" ]; then
      echo "$response"
      exit 1
    fi
  ping_liveness_local.sh: |-
    #!/bin/bash

    [[ -f $REDIS_PASSWORD_FILE ]] && export REDIS_PASSWORD="$(< "${REDIS_PASSWORD_FILE}")"
    [[ -n "$REDIS_PASSWORD" ]] && export REDISCLI_AUTH="$REDIS_PASSWORD"
    response=$(
      timeout -s 3 $1 \
      redis-cli \
        -h localhost \    
{{- if .Values.tls.enabled }}
        -p $REDIS_TLS_PORT \
        --tls \
        --cacert {{ template "redis.tlsCACert" . }} \
        {{- if .Values.tls.authClients }}
          --cert {{ template "redis.tlsCert" . }} \
          --key {{ template "redis.tlsCertKey" . }} \
        {{- end }}
{{- else }}
        -p $REDIS_PORT \
{{- end }}
        ping
    )
    if [ "$?" -eq "124" ]; then
      echo "Timed out"
      exit 1
    fi
    responseFirstWord=$(echo $response | head -n1 | awk '{print $1;}')
    if [ "$response" != "PONG" ] && [ "$responseFirstWord" != "LOADING" ] && [ "$responseFirstWord" != "MASTERDOWN" ]; then
      echo "$response"
      exit 1
    fi
{{- if .Values.sentinel.enabled }}
  ping_sentinel.sh: |-
    #!/bin/bash    

{{- if .Values.auth.sentinel }}
    [[ -f $REDIS_PASSWORD_FILE ]] && export REDIS_PASSWORD="$(< "${REDIS_PASSWORD_FILE}")"
    [[ -n "$REDIS_PASSWORD" ]] && export REDISCLI_AUTH="$REDIS_PASSWORD"
{{- end }}
    response=$(
      timeout -s 3 $1 \
      redis-cli \
        -h localhost \
{{- if .Values.tls.enabled }}
        -p $REDIS_SENTINEL_TLS_PORT_NUMBER \
        --tls \
        --cacert "$REDIS_SENTINEL_TLS_CA_FILE" \
        {{- if .Values.tls.authClients }}
          --cert "$REDIS_SENTINEL_TLS_CERT_FILE" \
          --key "$REDIS_SENTINEL_TLS_KEY_FILE" \
        {{- end }}
{{- else }}
        -p $REDIS_SENTINEL_PORT \
{{- end }}
        ping
    )
    if [ "$?" -eq "124" ]; then
      echo "Timed out"
      exit 1
    fi
    if [ "$response" != "PONG" ]; then
      echo "$response"
      exit 1
    fi
  parse_sentinels.awk: |-
    /ip/ {FOUND_IP=1}
    /port/ {FOUND_PORT=1}
    /runid/ {FOUND_RUNID=1}
    !/ip|port|runid/ {
      if (FOUND_IP==1) {
        IP=$1; FOUND_IP=0;
      }
      else if (FOUND_PORT==1) {
        PORT=$1;
        FOUND_PORT=0;
      } else if (FOUND_RUNID==1) {
        printf "\nsentinel known-sentinel {{ .Values.sentinel.masterSet }} %s %s %s", IP, PORT, $0; FOUND_RUNID=0;
      }
    }    
{{- end }}
  ping_readiness_master.sh: |-
    #!/bin/bash

    [[ -f $REDIS_MASTER_PASSWORD_FILE ]] && export REDIS_MASTER_PASSWORD="$(< "${REDIS_MASTER_PASSWORD_FILE}")"
    [[ -n "$REDIS_MASTER_PASSWORD" ]] && export REDISCLI_AUTH="$REDIS_MASTER_PASSWORD"
    response=$(
      timeout -s 3 $1 \
      redis-cli \
        -h $REDIS_MASTER_HOST \
        -p $REDIS_MASTER_PORT_NUMBER \    
{{- if .Values.tls.enabled }}
        --tls \
        --cacert {{ template "redis.tlsCACert" . }} \
        {{- if .Values.tls.authClients }}
          --cert {{ template "redis.tlsCert" . }} \
          --key {{ template "redis.tlsCertKey" . }} \
        {{- end }}
{{- end }}
        ping
    )
    if [ "$?" -eq "124" ]; then
      echo "Timed out"
      exit 1
    fi
    if [ "$response" != "PONG" ]; then
      echo "$response"
      exit 1
    fi
  ping_liveness_master.sh: |-
    #!/bin/bash

    [[ -f $REDIS_MASTER_PASSWORD_FILE ]] && export REDIS_MASTER_PASSWORD="$(< "${REDIS_MASTER_PASSWORD_FILE}")"
    [[ -n "$REDIS_MASTER_PASSWORD" ]] && export REDISCLI_AUTH="$REDIS_MASTER_PASSWORD"
    response=$(
      timeout -s 3 $1 \
      redis-cli \
        -h $REDIS_MASTER_HOST \
        -p $REDIS_MASTER_PORT_NUMBER \    
{{- if .Values.tls.enabled }}
        --tls \
        --cacert {{ template "redis.tlsCACert" . }} \
        {{- if .Values.tls.authClients }}
          --cert {{ template "redis.tlsCert" . }} \
          --key {{ template "redis.tlsCertKey" . }} \
        {{- end }}
{{- end }}
        ping
    )
    if [ "$?" -eq "124" ]; then
      echo "Timed out"
      exit 1
    fi
    responseFirstWord=$(echo $response | head -n1 | awk '{print $1;}')
    if [ "$response" != "PONG" ] && [ "$responseFirstWord" != "LOADING" ]; then
      echo "$response"
      exit 1
    fi
  ping_readiness_local_and_master.sh: |-
    script_dir="$(dirname "$0")"
    exit_status=0
    "$script_dir/ping_readiness_local.sh" $1 || exit_status=$?
    "$script_dir/ping_readiness_master.sh" $1 || exit_status=$?
    exit $exit_status    
  ping_liveness_local_and_master.sh: |-
    script_dir="$(dirname "$0")"
    exit_status=0
    "$script_dir/ping_liveness_local.sh" $1 || exit_status=$?
    "$script_dir/ping_liveness_master.sh" $1 || exit_status=$?
    exit $exit_status