Created
February 15, 2024 13:57
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Check Fly.io standby status
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| require "json" | |
| require "terminal-table" | |
| fly_app = ARGV[0] | |
| if fly_app.nil? | |
| warn "Usage: check.rb [fly app name]" | |
| exit 1 | |
| end | |
| Machine = Struct.new(:config) do | |
| def process | |
| pg = config.dig("config", "env", "FLY_PROCESS_GROUP") | |
| standby? ? "#{pg}†" : pg | |
| end | |
| def id = config["id"] | |
| def region = config["region"] | |
| def primary_id = config.dig("config", "standbys", 0) | |
| def standby? = !primary_id.nil? | |
| def autoscale? = config.dig("config", "services")&.any? { |s| s["autostop"] } | |
| end | |
| def red(txt) = "\033[31;40m#{txt}\033[0m" | |
| def green(txt) = "\033[32;32m#{txt}\033[0m" | |
| machines = | |
| JSON.parse(`fly m list -a "#{fly_app}" -j`) | |
| .map { |c| [ c["id"], Machine.new(c) ] } | |
| .to_h | |
| table = Terminal::Table.new do |t| | |
| t << [ "Process", "ID", "Region", "Primary", "Standby"] | |
| t << :separator | |
| machines.each_value.lazy.sort_by(&:process).each do |m| | |
| standbys = machines.each_value | |
| .select { |v| v.primary_id == m.id } | |
| .map(&:id) | |
| .join(", ") | |
| .strip | |
| t << [ | |
| m.process, | |
| m.id, | |
| m.region, | |
| m.standby? && machines.key?(m.primary_id) ? green(m.primary_id) : red(m.primary_id), | |
| if standbys.empty? | |
| m.primary_id || m.autoscale? ? "" : red(" MISSING ") | |
| else | |
| green(standbys) | |
| end, | |
| ] | |
| end | |
| end | |
| puts table |
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| +------------+----------------+--------+----------------+----------------+ | |
| | Process | ID | Region | Primary | Standby | | |
| +------------+----------------+--------+----------------+----------------+ | |
| | kafka | aeec27dd0eeb0c | iad | | MISSING | | |
| | kafka | 080e7b96d82fbf | iad | | MISSING | | |
| | kafka | ffc6b3e9241458 | iad | | 94e732e6e3f749 | | |
| | kafka | ad83014b7a94c7 | iad | | MISSING | | |
| | kafka† | 244e5cf59a3fef | iad | e784e2edced2e8 | | | |
| | kafka† | 5df8824441b64f | ewr | e784e2d4a31d18 | | | |
| | kafka† | 94e732e6e3f749 | iad | 91851d9c44d968 | | | |
| | kafka† | 3e40bfa8a636d8 | iad | 9080e333b12058 | | | |
| | scheduler | 9ddc176f2d3ab5 | iad | | MISSING | | |
| | scheduler† | 24be4471b86e7c | iad | e78492ec1e7e83 | | | |
| | web | 68d321d91a47c9 | iad | | | | |
| | web | 9db081062cbd6d | ewr | | | | |
| | web | d9d5470c3ada8b | ewr | | | | |
| | web | a701a3f1fa7cb1 | iad | | | | |
| | worker | ca5efa47246f91 | iad | | MISSING | | |
| | worker | 9c16502c1ab58e | iad | | MISSING | | |
| | worker | 82b8546fd6ef83 | iad | | MISSING | | |
| | worker | a9800e6cb343fc | iad | | MISSING | | |
| | worker† | a58bd3b158eb3d | iad | 3287436dbdd598 | | | |
| | worker† | 82c1042c253668 | ewr | 4d891146f22568 | | | |
| | worker† | 366e1a996b5aeb | iad | 4d891146f22568 | | | |
| +------------+----------------+--------+----------------+----------------+ |
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