65 lines
2.4 KiB
Bash
65 lines
2.4 KiB
Bash
#!/bin/bash
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set +e
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replace_config_values() {
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local config_template="/etc/headscale-example/config-example.yaml"
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local config_output="/etc/headscale/config.yaml"
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# Default values
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local DEFAULT_SERVER_URL="http://127.0.0.1:8080"
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local DEFAULT_LISTEN_ADDR="127.0.0.1:8080"
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local DEFAULT_METRICS_LISTEN_ADDR="127.0.0.1:9090"
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local DEFAULT_GRPC_LISTEN_ADDR="127.0.0.1:50443"
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local DEFAULT_GRPC_ALLOW_INSECURE="false"
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local DEFAULT_DB_TYPE="sqlite3"
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local DEFAULT_DB_PATH="/var/lib/headscale/db.sqlite"
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local DEFAULT_UNIX_SOCKET="/var/run/headscale/headscale.sock"
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local DEFAULT_UNIX_SOCKET_PERMISSION="0770"
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# Check if the output config file already exists
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if [[ -f "$config_output" ]]; then
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echo "$config_output already exists."
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return 0
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fi
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# Ensure the template file exists
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if [[ ! -f "$config_template" ]]; then
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echo "Template file $config_template not found."
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return 1
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fi
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# Function to replace or use default value
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replace_or_default() {
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local var_name=$1
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local default_value=$2
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local line=$3
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local var_value
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eval var_value=\$$var_name
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if [ -z "$var_value" ]; then
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var_value=$default_value
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fi
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echo ${line/\$\{$var_name\}/$var_value}
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}
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# Read the template and replace variables with defaults if not set
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while IFS= read -r line || [[ -n "$line" ]]; do
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line=$(replace_or_default "SERVER_URL" "$DEFAULT_SERVER_URL" "$line")
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line=$(replace_or_default "LISTEN_ADDR" "$DEFAULT_LISTEN_ADDR" "$line")
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line=$(replace_or_default "METRICS_LISTEN_ADDR" "$DEFAULT_METRICS_LISTEN_ADDR" "$line")
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line=$(replace_or_default "GRPC_LISTEN_ADDR" "$DEFAULT_GRPC_LISTEN_ADDR" "$line")
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line=$(replace_or_default "GRPC_ALLOW_INSECURE" "$DEFAULT_GRPC_ALLOW_INSECURE" "$line")
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line=$(replace_or_default "DB_TYPE" "$DEFAULT_DB_TYPE" "$line")
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line=$(replace_or_default "DB_PATH" "$DEFAULT_DB_PATH" "$line")
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line=$(replace_or_default "UNIX_SOCKET" "$DEFAULT_UNIX_SOCKET" "$line")
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line=$(replace_or_default "UNIX_SOCKET_PERMISSION" "$DEFAULT_UNIX_SOCKET_PERMISSION" "$line")
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echo "$line"
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done < "$config_template" > "$config_output"
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echo "Config file generated at $config_output"
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cat $config_output
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}
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# Run the function to replace variables and start headscale
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replace_config_values
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headscale
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