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/v1.5.0.tar.gz"
sha256 "bd32bb96db1f8d90fa8c7f5473fbff4048364b8b8a0c9fdcd21155f6a062689d"
license "Apache-2.0"
bottle do
cellar :any_skip_relocation
sha256 "70470c14896c1ed892a274541431b88938532a80982559c698f6e1a932017edf" => :catalina
sha256 "47495ee7998dc8f9e6ccd2c8d601153d9e7f4d2ac70afadb44835bbef11ba5f5" => :mojave
sha256 "62fa78cc81525e0141bc8dc3d1c3d0f0fead0e9ab0722ccb6566405d9a0abe82" => :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