40 lines
1.3 KiB
Ruby
40 lines
1.3 KiB
Ruby
class Promtail < Formula
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desc "Log agent for Loki"
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homepage "https://grafana.com/loki"
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url "https://github.com/grafana/loki/archive/v2.2.0.tar.gz"
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sha256 "758fa26422bacda69b12e740e46fa5b97e02063a90fece14fb3fdcd7add2f7f5"
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license "Apache-2.0"
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bottle do
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sha256 cellar: :any_skip_relocation, arm64_big_sur: "684dd470bba1ab702428bcc768e3ced16060837293ba9f12e34823215b5b138e"
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sha256 cellar: :any_skip_relocation, big_sur: "3bc21b34bb977a87c4e8fe2bcd365db6e21b42233fc100d49bb60dd7a5bd71ed"
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sha256 cellar: :any_skip_relocation, catalina: "8016c41a0ab1eeccbe0a79ee4c71fde464bdab004c62f4c6c6d8c165ad65a6f8"
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sha256 cellar: :any_skip_relocation, mojave: "687056a4e2c498755da1c54af3cafc5d57743496772cfad92db615f3c1801362"
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end
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depends_on "go" => :build
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def install
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cd "cmd/promtail" do
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system "go", "build", *std_go_args
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etc.install "promtail-local-config.yaml"
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end
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end
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test do
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port = free_port
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cp etc/"promtail-local-config.yaml", testpath
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inreplace "promtail-local-config.yaml" do |s|
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s.gsub! "9080", port.to_s
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s.gsub!(/__path__: .+$/, "__path__: #{testpath}")
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end
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fork { exec bin/"promtail", "-config.file=promtail-local-config.yaml" }
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sleep 3
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output = shell_output("curl -s localhost:#{port}/metrics")
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assert_match "log_messages_total", output
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end
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end
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