feb git sync
This commit is contained in:
@ -34,6 +34,8 @@ function fetchSSDData() {
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For a live dashboard, please visit <a href=/>home</a>.
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</div>
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<div class="container">
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Search for disk:<br>
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<input id="search" type="text" placeholder="Search by ID, model, serial…" /><p>
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<?php
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$ssdData = fetchSSDData(); // Fetch data from the API
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// Start the table
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@ -44,20 +46,20 @@ function fetchSSDData() {
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<th>Disk ID</th>
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<th>Model String</th>
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<th>Serial Number</th>
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<th>TB Written</th>
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<th>GB Written</th>
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<th>Disk Capacity</th>
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<th>Disk Flavor</th>
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<th>SMART Result</th>
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</tr>
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</thead>';
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// Table body - one row per SSD
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echo '<tbody>';
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echo '<tbody id="ssd-body">';
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foreach ($ssdData as $ssd) {
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// Escape the values so the page stays safe
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$id = htmlspecialchars($ssd['id']);
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$model = htmlspecialchars($ssd['model']);
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$serial = htmlspecialchars($ssd['serial']);
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$tbw = htmlspecialchars($ssd['TBW']);
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$tbw = htmlspecialchars($ssd['gb_written']);
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$cap = htmlspecialchars($ssd['capacity']);
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$flavor = htmlspecialchars($ssd['flavor']);
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$smart = htmlspecialchars($ssd['smart']);
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@ -77,4 +79,37 @@ function fetchSSDData() {
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</div>
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</body>
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<script>
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document.addEventListener('DOMContentLoaded', () => {
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const searchInput = document.getElementById('search');
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const tbody = document.getElementById('ssd-body');
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const rows = Array.from(tbody.rows); // snapshot of rows
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// Optional: a simple debounce so we don't react on every keystroke
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const debounce = (fn, delay) => {
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let timer;
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return (...args) => {
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clearTimeout(timer);
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timer = setTimeout(() => fn.apply(this, args), delay);
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};
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};
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const filterRows = debounce(() => {
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const query = searchInput.value.trim().toLowerCase();
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rows.forEach(row => {
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// Grab all cells in this row as a single string
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const rowText = Array.from(row.cells)
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.map(cell => cell.textContent)
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.join(' ')
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.toLowerCase();
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row.style.display = rowText.includes(query) ? '' : 'none';
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});
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}, 200); // 200 ms debounce
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searchInput.addEventListener('input', filterRows);
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});
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</script>
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</html>
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94
files/oop_code/HostRedis.py
Normal file
94
files/oop_code/HostRedis.py
Normal file
@ -0,0 +1,94 @@
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import redis
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import subprocess
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import re
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import json
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####################################################
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### Redis Functions
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####################################################
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debug_output = False
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r = redis.Redis(host='172.17.0.1', port=6379)
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def update_stats_redis():
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# store the data in vm_list
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data = get_host_stats(as_json=False)
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# push data to redis
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# Publish to the Redis channel that the WS server is listening on
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r.publish('host_stats', json.dumps(data))
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if debug_output:
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print("=== Stats Redis Update ===")
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print(json.dumps(data, indent=2))
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return True
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####################################################
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### Host Stats Function
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####################################################
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def get_host_stats(as_json=False):
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total_memory_command = "free -h | grep 'Mem:' | awk '{print $2}'"
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total_memory = run_shell(total_memory_command, zero_only=True)
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used_memory_command = "free -h | grep 'Mem:' | awk '{print $3}'"
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used_memory = run_shell(used_memory_command, zero_only=True)
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free_memory_command = "free -h | grep 'Mem:' | awk '{print $4}'"
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free_memory = run_shell(free_memory_command, zero_only=True)
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cpu_load_command = "uptime | grep -oP '(?<=age: ).*'"
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cpu_load = run_shell(cpu_load_command, zero_only=True)
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# nano pi command
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#cpu_temp_command = "sensors | grep 'temp1:' | cut -d+ -f 2 | awk '{print $1}'"
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cpu_temp_command = "sensors | grep -e Sensor -e Package | cut -d+ -f 2 | awk '{print $1}'"
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cpu_temp = run_shell(cpu_temp_command, zero_only=True)
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cpu_temp_stripped = re.sub(r'\u00b0C', '', cpu_temp)
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cpu_temp_fixed = f"{cpu_temp_stripped} C"
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ip_address_command = "ip -o -4 ad | grep -v -e docker -e 127.0.0.1 | awk '{print $2\": \" $4}'"
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ip_addresses = run_shell(ip_address_command, zero_only=True)
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time_now_command = "date +%r"
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time_now = run_shell(time_now_command, zero_only=True)
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# Redis stores in this order, or at least the html renders it in this order
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stats = [{
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"memory_total": total_memory,
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"memory_used": used_memory,
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"memory_free": free_memory,
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"cpu_load": cpu_load,
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"cpu_temp": cpu_temp_fixed,
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"ip_addresses": ip_addresses,
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"time": time_now
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}]
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if check_for_battery():
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battery_level_command = "acpi | grep Battery | awk {print'$3 \" \" $4'}"
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battery_level = run_shell(battery_level_command, zero_only=True)
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stats = [{
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"memory_total": total_memory,
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"memory_used": used_memory,
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"memory_free": free_memory,
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"cpu_load": cpu_load,
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"cpu_temp": cpu_temp_fixed,
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"ip_addresses": ip_addresses,
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"battery_level": battery_level,
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"time": time_now
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}]
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if debug_output:
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print("=== Current Host Stats ===")
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print(json.dumps(stats, indent=2))
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return jsonify(stats) if as_json else stats
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def check_for_battery():
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battery_check_command = "acpi | grep Battery | awk {print'$1'}"
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battery_check = run_shell(battery_check_command, zero_only=True)
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if battery_check == 'Battery':
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return True
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else:
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return False
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# subroutine to run a command, return stdout as array unless zero_only then return [0]
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def run_shell(cmd, zero_only=False):
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# Run the command and capture the output
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result = subprocess.run(cmd, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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# Decode the byte output to a string
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output = result.stdout.decode('utf-8')
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# Split the output into lines and store it in an array
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output_lines = [line for line in output.split('\n') if line]
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# Return result
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try:
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return output_lines[0] if zero_only else output_lines
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except:
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return output_lines
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306
files/oop_code/SSDObject.py
Normal file
306
files/oop_code/SSDObject.py
Normal file
@ -0,0 +1,306 @@
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###############################################################
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# SSDObject.py
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# ssd object class function created for ssd monitor
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# functions for handling database and shell commands
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# class definitions and other class helper functions
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###############################################################
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import sqlite3
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import json, redis
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import subprocess
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db_path = '/opt/ssd_health/drive_records.db'
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debug_output = False
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show_records = False
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suppress_errors = False
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push_redis = False
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###############################################################
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# Class Definition
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#
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# Most of the heavy lifting is done on object instantiation
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# Object is instantiated with just the dev_id and flavor
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# Drive data is collected on instantition and stored to database
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###############################################################
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class SSDObject:
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def __str__(self) -> str:
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return f"""Drive at /dev/{self.dev_id} is a '{self.model}' {self.capacity} {self.flavor}, SN: {self.serial}"""
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def __init__(self, dev_id: str):
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self.dev_id = dev_id
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if not check_serial_attached(self.dev_id):
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raise TypeError(f"No device at /dev/{self.dev_id}")
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self._smart_data = return_smartctl(dev_id)
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self.flavor = self._get_flavor()
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if self.flavor == "HDD":
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raise TypeError("Unable to instantiate HDD")
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if self.flavor == "Error":
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raise TypeError("Unable to instantiate storage device")
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self.serial = self._smart_data['serial_number']
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self.model = self._smart_data['model_name']
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self.capacity_bytes = self._smart_data['user_capacity']['bytes']
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self.smart_status = self._smart_data['smart_status']['passed']
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self.capacity = self._get_human_capacity()
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self.sector_size = return_sector_size(self.dev_id)
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self.gb_written = self._get_gbw()
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self._update_db()
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def _get_flavor(self) -> str:
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if "rotation_rate" in json.dumps(self._smart_data):
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if int(self._smart_data['rotation_rate'] == 0):
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if not suppress_errors:
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print(f"Warning - /dev/{self.dev_id} is a weird SSD with a rotation rate of 0")
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return "SSD"
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else:
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return "HDD"
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elif "NVMe" in json.dumps(self._smart_data):
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return "NVMe"
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elif "Solid State" in json.dumps(self._smart_data):
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return "SSD"
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elif "Unknown USB bridge" in json.dumps(self._smart_data):
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return "Error"
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def _get_human_capacity(self) -> str:
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size = self.capacity_bytes
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factor = 1024
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units = [
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(factor ** 4, "TiB"),
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(factor ** 3, "GiB"),
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(factor ** 2, "MiB"),
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(factor ** 1, "KiB"),
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]
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for thresh, suffix in units:
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if size > thresh:
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value = size / thresh
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return f"{value:.{0}f} {suffix}"
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def _get_gbw(self) -> str:
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result = ''
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gib_factor = 2 ** 30
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if self.flavor == "SSD":
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data_units_written = return_ls_written(self._smart_data)
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result = round(data_units_written * self.sector_size / gib_factor, 2)
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elif self.flavor == "NVMe":
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data_units_written = float(self._smart_data['nvme_smart_health_information_log']['data_units_written'])
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result = round(data_units_written * self.sector_size / gib_factor, 2)
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return result
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def _update_db(self):
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if push_redis:
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update_disk_redis()
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if self.exists():
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drive_query = f"""
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UPDATE drive_records SET gb_written = '{self.gb_written}', smart = '{self.smart_status}' WHERE serial = '{self.serial}';
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"""
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else:
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drive_query = f"""
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INSERT INTO drive_records (serial, model, flavor, capacity, gb_written, smart)
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VALUES ('{self.serial}', '{self.model}', '{self.flavor}', '{self.capacity}', '{self.gb_written}', '{self.smart_status}');
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"""
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query_db(drive_query)
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def exists(self) -> bool:
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return check_serial_exists(self.serial)
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def attached(self) -> bool:
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return(check_serial_attached(self.serial))
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########################################
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# Other Helper Functions
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########################################
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# subroutine to run a command, return stdout as array unless zero_only then return [0]
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def run_command(cmd, zero_only=False):
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# Run the command and capture the output
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result = subprocess.run(cmd, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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# Decode the byte output to a string
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output = result.stdout.decode('utf-8')
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# Split the output into lines and store it in an array
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output_lines = [line for line in output.split('\n') if line]
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# Return result
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try:
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return output_lines[0] if zero_only else output_lines
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except:
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return output_lines
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def return_smartctl(drive_id):
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smartctl_string = f"/usr/sbin/smartctl --json -x /dev/{drive_id} || true"
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smartctl_result = subprocess.run(smartctl_string, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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smartctl_data = json.loads(smartctl_result.stdout.decode("utf-8"))
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return smartctl_data
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def return_sector_size(drive_id):
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sector_size_command = f"fdisk -l /dev/{drive_id} | grep 'Sector size' | awk '{{print $4}}'"
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sector_size_result = subprocess.run(sector_size_command, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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return int(sector_size_result.stdout.decode("utf-8"))
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def return_ls_written(data):
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pages = data.get("ata_device_statistics", {}).get("pages", [])
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for page in pages:
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for entry in page.get("table", []):
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if entry.get("name") == "Logical Sectors Written":
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return entry.get("value")
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# Function to return all drive records in database
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def get_all_drive_records():
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get_all_drives = "SELECT * FROM drive_records"
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rows = query_db(get_all_drives)
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drives = []
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for row in rows:
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drive = {
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'id': row[0],
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'serial': row[1],
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'model': row[2],
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'flavor': row[3],
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'capacity': row[4],
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||||
'gb_written': round(float(row[5]),2),
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'smart': row[6]
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}
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drives.append(drive)
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return json.dumps(drives)
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|
||||
|
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# return attached disks
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def list_disk_and_serial():
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# Init blank devices array
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devices = []
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# get the devices
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cmd = "lsblk -o NAME,SERIAL,SIZE,TYPE | grep sd | grep disk | awk '{print $1 \",\" $2. \",\" $3}'"
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# try to run the command, should not fail
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try:
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while 'disk' in run_command(cmd, zero_only=False):
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time.sleep(0.5)
|
||||
devices = run_command(cmd, zero_only=False)
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except subprocess.CalledProcessError as e:
|
||||
print(f"An error occurred: {e.stderr.decode('utf-8')}")
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||||
drives = []
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for device in devices:
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if debug_output:
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print(device)
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||||
drive = {
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"dev_id": device.split(',')[0],
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"serial": device.split(',')[1],
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||||
"capacity": device.split(',')[2]
|
||||
}
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||||
drives.append(drive)
|
||||
# return the devices as an array
|
||||
if debug_output:
|
||||
print(drives)
|
||||
return drives
|
||||
|
||||
# Function to check if a serial number exists in the database
|
||||
def check_serial_exists(serial):
|
||||
serial_check = f"SELECT * FROM drive_records WHERE serial='{serial}'"
|
||||
if debug_output:
|
||||
print(serial_check)
|
||||
return bool(query_db(serial_check))
|
||||
|
||||
def check_serial_attached(serial):
|
||||
serial_check = f"lsblk -o NAME,SERIAL,SIZE,TYPE | grep {serial} || true"
|
||||
if run_command(serial_check, zero_only=False):
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
# Function to run SQL Query
|
||||
def query_db(sql_query):
|
||||
try:
|
||||
with sqlite3.connect(db_path) as conn:
|
||||
cursor = conn.cursor()
|
||||
if debug_output:
|
||||
print("Executing SQL query:", sql_query)
|
||||
cursor.execute(sql_query)
|
||||
rows = cursor.fetchall()
|
||||
if debug_output:
|
||||
print("Query Result:", rows)
|
||||
conn.commit()
|
||||
conn.close()
|
||||
return rows
|
||||
except sqlite3.Error as e:
|
||||
if not suppress_errors:
|
||||
print("An error occurred:", e)
|
||||
return []
|
||||
|
||||
def init_db():
|
||||
print("Checking Database...")
|
||||
db_check = "SELECT name FROM sqlite_master WHERE type='table' AND name='drive_records';"
|
||||
create_table_command = """
|
||||
CREATE TABLE drive_records (
|
||||
id INTEGER PRIMARY KEY,
|
||||
serial TEXT NOT NULL,
|
||||
model TEXT NOT NULL,
|
||||
flavor TEXT NOT NULL,
|
||||
capacity TEXT NOT NULL,
|
||||
gb_written TEXT NOT NULL,
|
||||
smart TEXT NOT NULL
|
||||
);
|
||||
"""
|
||||
|
||||
# check for drives
|
||||
try:
|
||||
result = bool(query_db(db_check))
|
||||
if debug_output:
|
||||
print(f"Database exists: {result}")
|
||||
# Check if any tables were found
|
||||
if result:
|
||||
print("drive_records exists, skipping db init")
|
||||
if debug_output or show_records:
|
||||
all_drives = json.loads(get_all_drive_records())
|
||||
print("--- Drive Records ---")
|
||||
for drive in all_drives:
|
||||
print(f"{drive['model']} - SN: {drive['serial']}")
|
||||
print("--- End Records ---")
|
||||
print()
|
||||
else:
|
||||
print("drive_records does not exist, creating")
|
||||
try:
|
||||
result_init = query_db(create_table_command)
|
||||
if debug_output:
|
||||
print(result_init)
|
||||
print("Database created - 201")
|
||||
except sqlite3.Error as e:
|
||||
if not suppress_errors:
|
||||
print(f"error during table initialization: {e}")
|
||||
return jsonify({'error during table initialization - 401': e}), 401
|
||||
|
||||
except sqlite3.Error as e:
|
||||
if not suppress_errors:
|
||||
print(f"error during table check: {e}")
|
||||
return jsonify({'error during table check - 400': e}), 400
|
||||
|
||||
|
||||
####################################################
|
||||
### Redis Functions
|
||||
####################################################
|
||||
|
||||
r = redis.Redis(host='172.17.0.1', port=6379)
|
||||
|
||||
def update_disk_redis():
|
||||
active = list_disk_and_serial()
|
||||
all_rec = json.loads(get_all_drive_records())
|
||||
enriched = merge_active_with_details(active, all_rec)
|
||||
r.publish('attached_disks', json.dumps(enriched))
|
||||
if debug_output:
|
||||
print("=== Active drives sent to Redis ===")
|
||||
print(json.dumps(enriched, indent=2))
|
||||
|
||||
def merge_active_with_details(active, all_records):
|
||||
# Build a quick lookup dictionary keyed by serial
|
||||
record_by_serial = {rec['serial']: rec for rec in all_records}
|
||||
# Add the extra fields to each active drive
|
||||
for drive in active:
|
||||
rec = record_by_serial.get(drive['serial'])
|
||||
if rec:
|
||||
extra = {k: v for k, v in rec.items() if k not in ('id', 'serial')}
|
||||
drive.update(extra)
|
||||
return active
|
||||
|
||||
########################################
|
||||
# Run init_db when Class file is imported
|
||||
########################################
|
||||
|
||||
init_db()
|
||||
99
files/oop_code/ssd_api.py
Normal file
99
files/oop_code/ssd_api.py
Normal file
@ -0,0 +1,99 @@
|
||||
from flask import Flask, jsonify, request
|
||||
import sqlite3
|
||||
import redis, json, time
|
||||
from SSDObject import *
|
||||
from flask_apscheduler import APScheduler
|
||||
from HostRedis import *
|
||||
|
||||
app = Flask(__name__)
|
||||
debug_output = False
|
||||
secure_api = False
|
||||
push_redis = True
|
||||
|
||||
####################################################
|
||||
### Flask Routes
|
||||
####################################################
|
||||
|
||||
# Route to check if a serial number exists in the database
|
||||
@app.route('/check', methods=['GET'])
|
||||
def check():
|
||||
serial_lookup = request.args.get('serial_lookup')
|
||||
if debug_output:
|
||||
print(f"Serial to check: {serial_lookup}")
|
||||
if not serial_lookup:
|
||||
return jsonify({'error': 'No serial number provided'}), 400
|
||||
|
||||
exists = check_serial_exists(serial_lookup)
|
||||
return jsonify({'serial_number_exists': exists, 'serial_lookup': serial_lookup})
|
||||
|
||||
# Route to get all drive records in JSON format
|
||||
@app.route('/drives', methods=['GET'])
|
||||
def index():
|
||||
return get_all_drive_records()
|
||||
|
||||
# Route to return active drives
|
||||
@app.route('/list_active_drives', methods=['GET'])
|
||||
def list_active_drives():
|
||||
return jsonify(list_disk_and_serial())
|
||||
|
||||
# host stats
|
||||
@app.route('/host_stats', methods=['GET'])
|
||||
def host_stats():
|
||||
if push_redis:
|
||||
update_stats_redis()
|
||||
return jsonify(get_host_stats())
|
||||
|
||||
# test route
|
||||
@app.route('/test', methods=['GET'])
|
||||
def test():
|
||||
db_check = "SELECT name FROM sqlite_master WHERE type='table';"
|
||||
return query_db(db_check)
|
||||
|
||||
####################################################
|
||||
### Flask Scheduler Handlers
|
||||
####################################################
|
||||
def ssd_scan():
|
||||
disk_list_command = "ls -lo /dev/sd? | awk '{print $9}' | cut -d/ -f3"
|
||||
disk_list = run_command(disk_list_command, zero_only = False)
|
||||
disk_objects = []
|
||||
for disk in disk_list:
|
||||
if debug_output:
|
||||
print(disk)
|
||||
try:
|
||||
disk_objects.append(SSDObject(dev_id = disk))
|
||||
except (TypeError, ValueError, KeyError, OSError) as e:
|
||||
print(f"Error - {e}")
|
||||
if debug_output:
|
||||
for disk in disk_objects:
|
||||
print(disk)
|
||||
print(list_disk_and_serial())
|
||||
if push_redis:
|
||||
update_stats_redis()
|
||||
update_disk_redis()
|
||||
time.sleep(0.2)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
# send immediate stats update to redis
|
||||
if push_redis:
|
||||
update_stats_redis()
|
||||
|
||||
# Flask scheduler for scanner
|
||||
scheduler = APScheduler()
|
||||
scheduler.add_job(id='ssd_check',
|
||||
func=ssd_scan,
|
||||
trigger='interval',
|
||||
seconds=1)
|
||||
scheduler.init_app(app)
|
||||
scheduler.start()
|
||||
|
||||
if secure_api:
|
||||
app.run(debug=True, host='172.17.0.1', port=5000)
|
||||
else:
|
||||
app.run(debug=True, host='0.0.0.0', port=5000)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@ -73,7 +73,7 @@
|
||||
const headerRow = thead.insertRow();
|
||||
cols.forEach(col => {
|
||||
const th = document.createElement('th');
|
||||
th.textContent = col.charAt(0).toUpperCase() + col.slice(1);
|
||||
th.textContent = col;
|
||||
headerRow.appendChild(th);
|
||||
});
|
||||
// Body
|
||||
|
||||
Reference in New Issue
Block a user