50 lines
1.7 KiB
Bash
Executable File
50 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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set -e
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# We need at least 3GB of free mem...
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MIN_MEM_FREE_GB=3
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MIN_MEM_FREE_KB=$(($MIN_MEM_FREE_GB*1000000))
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echo_mem_warn() {
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MEM_FREE_KB=$(awk '/MemFree/ { printf "%s \n", $2 }' /proc/meminfo)
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MEM_FREE_GB=$(awk '/MemFree/ { printf "%s \n", $2/1024/1024 }' /proc/meminfo)
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if [[ "${MEM_FREE_KB}" -lt "${MIN_MEM_FREE_KB}" ]]; then
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cat <<EOF
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===============================================
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======== Memory Insufficient Warning =========
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===============================================
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It looks like you only have ${MEM_FREE_GB}GB of
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memory free. Please increase your Docker
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resources to at least ${MIN_MEM_FREE_GB}GB
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===============================================
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======== Memory Insufficient Warning =========
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===============================================
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EOF
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else
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echo "Memory check Ok [${MEM_FREE_GB}GB free]"
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fi
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}
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# Always nag if they're low on mem...
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echo_mem_warn
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