chore: ck ping use wget instead of curl (#2230)

(cherry picked from commit b708239)

Author: loomts

addons/clickhouse/scripts/clickhouse-ping.sh

@@ -1,34 +1,26 @@
 #!/bin/bash
 set -euo pipefail
 
-TLS_MOUNT_PATH="/etc/pki/tls"
-READINESS_PROBE_TIMEOUT="${READINESS_PROBE_TIMEOUT:-3}"
 HOST="127.0.0.1"
 SCHEME="http"
 PORT="${CLICKHOUSE_HTTP_PORT:-8123}"
 
-curl_args=(
-  --silent
-  --show-error
-  --fail
-  --connect-timeout "${READINESS_PROBE_TIMEOUT}"
-  --max-time "${READINESS_PROBE_TIMEOUT}"
+wget_args=(
+  --spider
+  -q
+  -T 3
+  --tries=1
 )
 
 if [[ "${TLS_ENABLED:-false}" == "true" ]]; then
   SCHEME="https"
   PORT="${CLICKHOUSE_HTTPS_PORT:-8443}"
-  if [[ -f "${TLS_MOUNT_PATH}/ca.pem" ]]; then
-    curl_args+=(--cacert "${TLS_MOUNT_PATH}/ca.pem")
-  fi
-  if [[ -f "${TLS_MOUNT_PATH}/cert.pem" && -f "${TLS_MOUNT_PATH}/key.pem" ]]; then
-    curl_args+=(--cert "${TLS_MOUNT_PATH}/cert.pem" --key "${TLS_MOUNT_PATH}/key.pem")
-  fi
+  wget_args+=(--no-check-certificate)
 fi
 
 endpoint="${SCHEME}://${HOST}:${PORT}/ping"
 
-if ! curl "${curl_args[@]}" "${endpoint}" >/dev/null; then
+if ! /shared-tools/wget "${wget_args[@]}" "${endpoint}"; then
   echo "Readiness probe failed accessing ${endpoint}" >&2
   exit 1
 fi

addons/clickhouse/templates/cmpd-ch.yaml

@@ -19,6 +19,18 @@ spec:
       fsGroup: 0
       seccompProfile:
         type: RuntimeDefault
+    initContainers:
+      - name: copy-tools
+        imagePullPolicy: {{ .Values.busyboxImage.pullPolicy }}
+        command:
+          - sh
+          - -c
+          - |
+            cp /bin/wget /shared-tools/wget
+            chmod +x /shared-tools/wget
+        volumeMounts:
+          - name: shared-tools
+            mountPath: /shared-tools
     containers:
       - name: clickhouse
         imagePullPolicy: {{ default "IfNotPresent" .Values.image.pullPolicy }}
@@ -70,12 +82,17 @@ spec:
             mountPath: /etc/clickhouse-client
           - name: scripts
             mountPath: /scripts
+          - name: shared-tools
+            mountPath: /shared-tools
         env:
           - name: CURRENT_POD_NAME
             valueFrom:
               fieldRef:
                 apiVersion: v1
                 fieldPath: metadata.name
+    volumes:
+      - name: shared-tools
+        emptyDir: {}
   updateStrategy: BestEffortParallel
   logConfigs:
     {{- range $name, $pattern := .Values.logConfigs }}

addons/clickhouse/values.yaml

@@ -47,4 +47,4 @@ backupImage:
   registry: ""
   repository: apecloud/clickhouse-backup-full
   pullPolicy: IfNotPresent
-  tag: 2.6.14
+  tag: 2.6.14