Initial mullvad-speedtest implementation

Dockerfile

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+FROM librespeed-cli:latest
+
+WORKDIR /tmp
+COPY setup.sh .
+RUN chmod +x setup.sh
+RUN ./setup.sh
+
+COPY speedtest.sh /
+RUN chmod +x /speedtest.sh
+
+ENTRYPOINT ["speedtest.sh"]
+

setup.sh

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+#!/bin/bash
+# Download the Mullvad signing key
+sudo curl -fsSLo /usr/share/keyrings/mullvad-keyring.asc https://repository.mullvad.net/deb/mullvad-keyring.asc
+
+# Add the Mullvad repository server to apt
+echo "deb [signed-by=/usr/share/keyrings/mullvad-keyring.asc arch=$( dpkg --print-architecture )] https://repository.mullvad.net/deb/stable $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/mullvad.list
+
+# Install the package
+sudo apt update
+sudo apt install mullvad-vpn

speedtest.sh

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+#!/bin/bash
+
+node_ids=$(mullvad relay list | grep -oE '[a-z]{2}-[a-z]{3}-\b(wg|ovpn)\b-[0-9]+')
+IFS=$'\n' read -r -d '' -a node_ids_arr <<< "$node_ids"
+
+set -e pipefail
+
+results='{}'
+for node in "${node_ids_arr[@]}"; do 
+  mullvad relay set location "$node" >/dev/null
+  if ! mullvad connect --wait >/dev/null; then 
+   echo "$node->WARN: failed to connect, skipping" >&2
+   continue
+  fi
+  
+  echo "$node->INFO: connected to node"
+  test_output=$(librespeed-cli --no-icmp --json | jq '.[0]')
+
+  echo "$node->INFO: ping: $(jq '.ping' <<< $test_output)ms, jitter: $(jq '.jitter' <<< $test_output)ms, download: $(jq '.download' <<< $test_output)mbps, upload: $(jq '.upload' <<< $test_output)mbps"
+  results=$(jq --arg node "$node" --argjson test_output "$test_output" '. + {($node): $test_output}' <<< "$results")
+  
+  mullvad disconnect --wait >/dev/null
+  echo "$results" > /tmp/mullvad-speedtest-results.json
+done