62 lines
1.8 KiB
Bash
62 lines
1.8 KiB
Bash
#!/bin/bash
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# Read the server list from the specified file
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SERVER_LIST_FILE="servers.conf"
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SERVER_LIST=()
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while IFS= read -r SERVER || [[ -n "$SERVER" ]]; do
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SERVER_LIST+=("$SERVER")
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done < "$SERVER_LIST_FILE"
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# Loop through the server list
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for SERVER in "${SERVER_LIST[@]}"
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do
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echo "Checking for updates on server: ${SERVER}"
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# Establish SSH connection to remote server and run commands to check for updates
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SSH_RESULT=$(ssh username@${SERVER} "sudo apt-get update > /dev/null && apt list --upgradable")
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# If updates are available, inform the user
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if [ -n "${SSH_RESULT}" ]; then
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echo "Updates available on server ${SERVER}:"
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echo "${SSH_RESULT}"
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echo ""
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else
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echo "No updates available on server ${SERVER}"
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echo ""
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fi
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done
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# Prompt user to confirm if they want to update the listed servers
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read -p "Do you want to update the listed servers? (Yes/No): " UPDATE_CONFIRMATION
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# If the user confirms with "Yes", update the servers and store the update status for each server in a list
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if [[ $UPDATE_CONFIRMATION == "Yes" ]]; then
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UPDATE_STATUS=()
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for SERVER in "${SERVER_LIST[@]}"
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do
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echo "Updating server: ${SERVER}"
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# Establish SSH connection to remote server and run commands to update
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ssh username@${SERVER} "sudo apt-get update > /dev/null && sudo apt-get upgrade -y" > /dev/null 2>&1
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# Check the return value of ssh to determine if the update was successful
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if [[ $? -eq 0 ]]; then
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UPDATE_STATUS+=("${SERVER}: Update successful")
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echo "Server ${SERVER} updated."
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else
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UPDATE_STATUS+=("${SERVER}: Update failed")
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echo "Failed to update server ${SERVER}."
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fi
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done
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# Summary of update status
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echo ""
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echo "Summary of update status:"
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for STATUS in "${UPDATE_STATUS[@]}"
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do
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echo "${STATUS}"
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done
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else
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echo "Updates cancelled."
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fi
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