Class: Textus::Step::MachineIntakeFetch

Inherits:
Fetch
  • Object
show all
Defined in:
lib/textus/init/templates/machine_intake.rb

Instance Attribute Summary

Attributes inherited from Base

#name

Instance Method Summary collapse

Methods inherited from Fetch

required_kwargs

Methods inherited from Base

kind, required_kwargs, step_name

Instance Method Details

#call(config:, args:, caps:) ⇒ Object 



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# File 'lib/textus/init/templates/machine_intake.rb', line 12

def call(config:, args:, caps:, **)
  machine = args[:leaf_segments].first or
    raise "machines intake needs a host leaf, e.g. the 'local' in feeds.machines.local"
  spec = (config["machines"] || {}).fetch(machine) { raise "unknown machine: #{machine}" }
  unless (spec["via"] || "local").to_s == "local"
    raise "machine #{machine}: only `via: local` is scaffolded — see " \
          "docs/cookbook/environment-scan.md for the SSH (remote) fan-out"
  end

  sh    = ->(cmd) { `#{cmd}`.strip }                      # local shell-out, no network
  ver   = ->(cmd) { o = `#{cmd} 2>/dev/null`.strip; o.empty? ? nil : o } # nil if tool absent
  count = ->(cmd) { n = `#{cmd} 2>/dev/null`.strip.lines.size; n.zero? ? nil : n }
  { content: {
    # git_* describe THIS repo on the control host — only meaningful for `local`.
    "git_head"       => sh.call("git rev-parse --short HEAD 2>/dev/null"),
    "git_branch"     => sh.call("git rev-parse --abbrev-ref HEAD 2>/dev/null"),
    "git_dirty"      => !sh.call("git status --porcelain 2>/dev/null").empty?,
    "repo_root"      => sh.call("git rev-parse --show-toplevel 2>/dev/null"),
    "captured_at"    => Time.now.utc.iso8601,
    "os"             => RbConfig::CONFIG["host_os"],
    "arch"           => RbConfig::CONFIG["host_cpu"],
    "ruby_version"   => RUBY_VERSION,
    "runtimes"       => {                                 # versions only; nil when not installed
      "node"   => ver.call("node --version"),
      "python" => ver.call("python3 --version"),
      "go"     => ver.call("go version"),
    },
    "packages"       => {                                 # COUNTS only — never the list (size/secrets)
      "brew" => count.call("brew list --formula"),        # ~1-3s on macOS; runs only on fetch, amortized by the ttl rule
      "apt"  => count.call("dpkg-query -f '.\n' -W"),
    },
    "textus_version" => Textus::VERSION,
    "protocol"       => Textus::PROTOCOL,
  } }
end