Files
fleet-api/lib/machines.sh
2026-02-03 00:46:23 +01:00

132 lines
3.1 KiB
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#!/bin/bash
# Machine registry logic
MACHINES_FILE="${DATA_DIR:-/data/fleet}/machines.json"
STALE_THRESHOLD=60 # seconds
# Get current timestamp
now() {
date +%s
}
# Read machines file with lock
read_machines() {
if [ -f "$MACHINES_FILE" ]; then
cat "$MACHINES_FILE"
else
echo '{}'
fi
}
# Write machines file with lock
write_machines() {
local data="$1"
echo "$data" > "$MACHINES_FILE.tmp"
mv "$MACHINES_FILE.tmp" "$MACHINES_FILE"
}
# Update machine status based on lastSeen
update_status() {
local machines="$1"
local current_time=$(now)
echo "$machines" | jq --arg now "$current_time" --arg threshold "$STALE_THRESHOLD" '
to_entries | map(
.value.status = (
if (.value.lastSeen | tonumber) < (($now | tonumber) - ($threshold | tonumber))
then "unknown"
else .value.status
end
)
) | from_entries
'
}
# Handle POST /api/machines/register
handle_register() {
local body="$1"
# Validate JSON
if ! echo "$body" | jq -e . >/dev/null 2>&1; then
send_error "400 Bad Request" "Invalid JSON"
return
fi
# Extract required fields
local id=$(echo "$body" | jq -r '.id // empty')
local name=$(echo "$body" | jq -r '.name // empty')
local url=$(echo "$body" | jq -r '.url // empty')
if [ -z "$id" ] || [ -z "$name" ] || [ -z "$url" ]; then
send_error "400 Bad Request" "Missing required fields: id, name, url"
return
fi
# Read current machines
local machines=$(read_machines)
local current_time=$(now)
# Create/update machine entry
local machine=$(echo "$body" | jq --arg ts "$current_time" '. + {lastSeen: ($ts | tonumber)}')
# Add to machines
machines=$(echo "$machines" | jq --arg id "$id" --argjson machine "$machine" '.[$id] = $machine')
# Write back
write_machines "$machines"
send_json "200 OK" "$machine"
}
# Handle GET /api/machines
handle_list_machines() {
local machines=$(read_machines)
# Update status based on lastSeen
machines=$(update_status "$machines")
# Convert to array
local result=$(echo "$machines" | jq '[to_entries[] | .value]')
send_json "200 OK" "$result"
}
# Handle GET /api/machines/:id
handle_get_machine() {
local id="$1"
local machines=$(read_machines)
# Update status
machines=$(update_status "$machines")
# Get machine
local machine=$(echo "$machines" | jq --arg id "$id" '.[$id] // null')
if [ "$machine" = "null" ]; then
send_error "404 Not Found" "Machine not found"
return
fi
send_json "200 OK" "$machine"
}
# Handle DELETE /api/machines/:id
handle_delete_machine() {
local id="$1"
local machines=$(read_machines)
# Check if exists
local exists=$(echo "$machines" | jq --arg id "$id" 'has($id)')
if [ "$exists" = "false" ]; then
send_error "404 Not Found" "Machine not found"
return
fi
# Remove machine
machines=$(echo "$machines" | jq --arg id "$id" 'del(.[$id])')
write_machines "$machines"
send_json "200 OK" '{"deleted":true}'
}