homebrew-core/Formula/prometheus.rb
2019-12-28 09:45:14 -05:00

93 lines
2.7 KiB
Ruby

class Prometheus < Formula
desc "Service monitoring system and time series database"
homepage "https://prometheus.io/"
url "https://github.com/prometheus/prometheus/archive/v2.15.1.tar.gz"
sha256 "67590a51ad26ee6135d40b8df90f8b58d85ce890fc67e66d08bb8207db289a1e"
bottle do
cellar :any_skip_relocation
sha256 "e488672bc0ac215a82721abe5d2d543e3d3d1610876e32764c920f302da678ae" => :catalina
sha256 "931ba33b9e6901d5b61c14cf238c59adc183749cabc226a66f442577c7f5f756" => :mojave
sha256 "fe988a26b80aef4c23dcefcb60cd50899107f82618a8dc7d2e6e6ee7c548750b" => :high_sierra
end
depends_on "go" => :build
depends_on "node" => :build
depends_on "yarn" => :build
def install
mkdir_p buildpath/"src/github.com/prometheus"
ln_sf buildpath, buildpath/"src/github.com/prometheus/prometheus"
system "make", "assets"
system "make", "build"
bin.install %w[promtool prometheus]
libexec.install %w[consoles console_libraries]
end
def post_install
(etc/"prometheus.args").write <<~EOS
--config.file #{etc}/prometheus.yml
--web.listen-address=127.0.0.1:9090
--storage.tsdb.path #{var}/prometheus
EOS
(etc/"prometheus.yml").write <<~EOS
global:
scrape_interval: 15s
scrape_configs:
- job_name: "prometheus"
static_configs:
- targets: ["localhost:9090"]
EOS
end
def caveats; <<~EOS
When used with `brew services`, prometheus' configuration is stored as command line flags in:
#{etc}/prometheus.args
Configuration for prometheus is located in the #{etc}/prometheus.yml file.
EOS
end
plist_options :manual => "prometheus"
def plist; <<~EOS
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>#{plist_name}</string>
<key>ProgramArguments</key>
<array>
<string>sh</string>
<string>-c</string>
<string>#{opt_bin}/prometheus $(&lt; #{etc}/prometheus.args)</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>KeepAlive</key>
<false/>
<key>StandardErrorPath</key>
<string>#{var}/log/prometheus.err.log</string>
<key>StandardOutPath</key>
<string>#{var}/log/prometheus.log</string>
</dict>
</plist>
EOS
end
test do
(testpath/"rules.example").write <<~EOS
groups:
- name: http
rules:
- record: job:http_inprogress_requests:sum
expr: sum(http_inprogress_requests) by (job)
EOS
system "#{bin}/promtool", "check", "rules", testpath/"rules.example"
end
end