57 lines
1.4 KiB
Bash
Executable File
57 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# exit from script if error was raised.
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set -e
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# error function is used within a bash function in order to send the error
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# mesage directly to the stderr output and exit.
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error() {
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echo "$1" > /dev/stderr
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exit 0
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}
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# return is used within bash function in order to return the value.
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return() {
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echo "$1"
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}
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# set_default function gives the ability to move the setting of default
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# env variable from docker file to the script thereby giving the ability to the
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# user override it durin container start.
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set_default() {
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# docker initialized env variables with blank string and we can't just
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# use -z flag as usually.
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BLANK_STRING='""'
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VARIABLE="$1"
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DEFAULT="$2"
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if [[ -z "$VARIABLE" || "$VARIABLE" == "$BLANK_STRING" ]]; then
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if [ -z "$DEFAULT" ]; then
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error "You should specify default variable"
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else
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VARIABLE="$DEFAULT"
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fi
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fi
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return "$VARIABLE"
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}
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# Set default variables if needed.
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RPCUSER=$(set_default "$RPCUSER" "devuser")
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RPCPASS=$(set_default "$RPCPASS" "devpass")
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DEBUG=$(set_default "$DEBUG" "debug")
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BITCOIN_NETWORK=$(set_default "$BITCOIN_NETWORK" "simnet")
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lnd \
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--datadir="/data" \
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--logdir="/data" \
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"--$BITCOIN_NETWORK" \
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--btcdhost="btcd" \
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--rpccert="/rpc/rpc.cert" \
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--rpcuser="$RPCUSER" \
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--rpcpass="$RPCPASS" \
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--debuglevel="$DEBUG" \
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"$@"
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