65 lines
2.3 KiB
Ruby
65 lines
2.3 KiB
Ruby
class NodeExporter < Formula
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desc "Prometheus exporter for machine metrics"
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homepage "https://prometheus.io/"
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url "https://github.com/prometheus/node_exporter/archive/v1.3.1.tar.gz"
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sha256 "66856b6b8953e094c46d7dd5aabd32801375cf4d13d9fe388e320cbaeaff573a"
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license "Apache-2.0"
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head "https://github.com/prometheus/node_exporter.git", branch: "master"
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livecheck do
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url :stable
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regex(/^v?(\d+(?:\.\d+)+)$/i)
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end
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bottle do
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sha256 cellar: :any_skip_relocation, arm64_monterey: "8e99e508cef6d2a24256e593f93b74e2963ad1cc7e5c2afd00a5b8c2ac8ba58d"
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sha256 cellar: :any_skip_relocation, arm64_big_sur: "bfba63c91460b85b51c1ca10677b201c07660c1b707dc8ab3c43512dbd86ed34"
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sha256 cellar: :any_skip_relocation, monterey: "fe501d109da5207288495fff1bdb82c38b5d3d4cdf7f2ecfa9a2752f8af1c8c8"
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sha256 cellar: :any_skip_relocation, big_sur: "6258be13386a4e8808db92a0a0f7d993abbd28d3cf73ffba6ad34ddaacee867d"
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sha256 cellar: :any_skip_relocation, catalina: "5778761dad16f4f576128aaa00c021a127e01cd8a76314d7d1ec277ed083822d"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "0f6f7e18658d6272d00d15335fc02d9c8a3e521868cb20a7a5aaca68d7e4aa23"
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end
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depends_on "go" => :build
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def install
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ldflags = %W[
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-X github.com/prometheus/common/version.Version=#{version}
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-X github.com/prometheus/common/version.BuildUser=Homebrew
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]
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system "go", "build", "-ldflags", ldflags.join(" "), "-trimpath",
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"-o", bin/"node_exporter"
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prefix.install_metafiles
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touch etc/"node_exporter.args"
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(bin/"node_exporter_brew_services").write <<~EOS
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#!/bin/bash
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exec #{bin}/node_exporter $(<#{etc}/node_exporter.args)
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EOS
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end
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def caveats
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<<~EOS
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When run from `brew services`, `node_exporter` is run from
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`node_exporter_brew_services` and uses the flags in:
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#{etc}/node_exporter.args
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EOS
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end
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service do
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run [opt_bin/"node_exporter_brew_services"]
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keep_alive false
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log_path var/"log/node_exporter.log"
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error_log_path var/"log/node_exporter.err.log"
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end
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test do
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assert_match "node_exporter", shell_output("#{bin}/node_exporter --version 2>&1")
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fork { exec bin/"node_exporter" }
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sleep 2
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assert_match "# HELP", shell_output("curl -s localhost:9100/metrics")
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end
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end
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