homebrew-core/Formula/promtail.rb

40 lines
1.2 KiB
Ruby

class Promtail < Formula
desc "Log agent for Loki"
homepage "https://grafana.com/loki"
url "https://github.com/grafana/loki/archive/v2.0.0.tar.gz"
sha256 "e7ab246d98be52caf7b475245f5ea2cf62fb00f61d6e5377f31423414847556b"
license "Apache-2.0"
bottle do
cellar :any_skip_relocation
sha256 "06f2c343a982edbe5ab3428396ca883e9097db629d60504f84e5a247d96d53dd" => :catalina
sha256 "7f0e19c930e2c6b56f5dd3b2b09c1222a5fd33956a85867772e67a9ccc683932" => :mojave
sha256 "3b20f9947335d86303060d466851acb58a0366296d6e54d4d8afdc28ed29c215" => :high_sierra
end
depends_on "go" => :build
def install
cd "cmd/promtail" do
system "go", "build", *std_go_args
etc.install "promtail-local-config.yaml"
end
end
test do
port = free_port
cp etc/"promtail-local-config.yaml", testpath
inreplace "promtail-local-config.yaml" do |s|
s.gsub! "9080", port.to_s
s.gsub! /__path__: .+$/, "__path__: #{testpath}"
end
fork { exec bin/"promtail", "-config.file=promtail-local-config.yaml" }
sleep 3
output = shell_output("curl -s localhost:#{port}/metrics")
assert_match "log_messages_total", output
end
end