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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,23 @@ | ||
| name: Release | ||
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| on: | ||
| push: | ||
| tags: | ||
| - "v*.*.*" | ||
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| jobs: | ||
| build: | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - name: Checkout | ||
| uses: actions/checkout@v2 | ||
| - name: Build | ||
| run: | | ||
| go build -o prometheus-msk-discovery-linux-amd64 | ||
| - name: Release | ||
| uses: softprops/action-gh-release@v1 | ||
| if: startsWith(github.ref, 'refs/tags/') | ||
| with: | ||
| files: "prometheus-msk-discovery-linux-amd64" | ||
| env: | ||
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,11 @@ | ||
| on: push | ||
| jobs: | ||
| test: | ||
| name: Run unit tests | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - uses: actions/checkout@master | ||
| - uses: actions/setup-go@v2 | ||
| with: | ||
| go-version: "1.16" | ||
| - run: go test . |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| package main | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "reflect" | ||
| "strings" | ||
| "testing" | ||
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| "github.com/aws/aws-sdk-go-v2/service/kafka" | ||
| "github.com/aws/aws-sdk-go-v2/service/kafka/types" | ||
| ) | ||
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| type mockCluster struct { | ||
| brokerCount int | ||
| clusterName string | ||
| jmxExporter bool | ||
| nodeExporter bool | ||
| } | ||
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| type mockKafkaClient struct{ clusters map[string]mockCluster } | ||
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| func (m mockKafkaClient) ListClusters(ctx context.Context, params *kafka.ListClustersInput, optFns ...func(*kafka.Options)) (*kafka.ListClustersOutput, error) { | ||
| var clusterInfoList []types.ClusterInfo | ||
| for arn, cluster := range m.clusters { | ||
| cArn := arn | ||
| cCluster := cluster | ||
| clusterInfoList = append(clusterInfoList, types.ClusterInfo{ | ||
| ClusterArn: &cArn, | ||
| ClusterName: &cCluster.clusterName, | ||
| OpenMonitoring: &types.OpenMonitoring{ | ||
| Prometheus: &types.Prometheus{ | ||
| JmxExporter: &types.JmxExporter{ | ||
| EnabledInBroker: cCluster.jmxExporter, | ||
| }, | ||
| NodeExporter: &types.NodeExporter{ | ||
| EnabledInBroker: cCluster.nodeExporter, | ||
| }, | ||
| }, | ||
| }, | ||
| }) | ||
| } | ||
| output := kafka.ListClustersOutput{ | ||
| ClusterInfoList: clusterInfoList, | ||
| } | ||
| return &output, nil | ||
| } | ||
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| func (m mockKafkaClient) GetBootstrapBrokers(ctx context.Context, params *kafka.GetBootstrapBrokersInput, optFns ...func(*kafka.Options)) (*kafka.GetBootstrapBrokersOutput, error) { | ||
| cluster := m.clusters[*params.ClusterArn] | ||
| var brokers []string | ||
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| for i := 1; i <= cluster.brokerCount; { | ||
| brokers = append(brokers, fmt.Sprintf("b-%v.broker.com:9002", i)) | ||
| i++ | ||
| } | ||
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| brokerString := strings.Join(brokers, ",") | ||
| output := kafka.GetBootstrapBrokersOutput{ | ||
| BootstrapBrokerString: &brokerString, | ||
| } | ||
| return &output, nil | ||
| } | ||
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| func TestGetStaticConfigs(t *testing.T) { | ||
| t.Run("OneClusterTwoBrokersFullMonitoring", func(t *testing.T) { | ||
| var client mockKafkaClient | ||
| client.clusters = make(map[string]mockCluster) | ||
| client.clusters["arn:::my-cluster"] = mockCluster{2, "my-cluster", true, true} | ||
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| got := GetStaticConfigs(client) | ||
| want := []PrometheusStaticConfig{ | ||
| { | ||
| Targets: []string{ | ||
| "b-1.broker.com:11001", | ||
| "b-1.broker.com:11002", | ||
| "b-2.broker.com:11001", | ||
| "b-2.broker.com:11002", | ||
| }, | ||
| Labels: labels{ | ||
| Job: "msk-my-cluster", | ||
| ClusterName: "my-cluster", | ||
| ClusterArn: "arn:::my-cluster", | ||
| }, | ||
| }, | ||
| } | ||
| if !reflect.DeepEqual(got, want) { | ||
| t.Errorf("got %s want %s", got, want) | ||
| } | ||
| }) | ||
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| t.Run("TwoClusterTwoBrokersFullAndLimitedMonitoring", func(t *testing.T) { | ||
| var client mockKafkaClient | ||
| client.clusters = make(map[string]mockCluster) | ||
| client.clusters["arn:::my-cluster"] = mockCluster{2, "my-cluster", true, true} | ||
| client.clusters["arn:::my-other-cluster"] = mockCluster{2, "my-other-cluster", true, false} | ||
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| got := GetStaticConfigs(client) | ||
| want := []PrometheusStaticConfig{ | ||
| { | ||
| Targets: []string{ | ||
| "b-1.broker.com:11001", | ||
| "b-1.broker.com:11002", | ||
| "b-2.broker.com:11001", | ||
| "b-2.broker.com:11002", | ||
| }, | ||
| Labels: labels{ | ||
| Job: "msk-my-cluster", | ||
| ClusterName: "my-cluster", | ||
| ClusterArn: "arn:::my-cluster", | ||
| }, | ||
| }, | ||
| { | ||
| Targets: []string{ | ||
| "b-1.broker.com:11001", | ||
| "b-2.broker.com:11001", | ||
| }, | ||
| Labels: labels{ | ||
| Job: "msk-my-other-cluster", | ||
| ClusterName: "my-other-cluster", | ||
| ClusterArn: "arn:::my-other-cluster", | ||
| }, | ||
| }, | ||
| } | ||
| if !reflect.DeepEqual(got, want) { | ||
| t.Errorf("got %s want %s", got, want) | ||
| } | ||
| }) | ||
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| t.Run("NoMonitoringEnabled", func(t *testing.T) { | ||
| var client mockKafkaClient | ||
| client.clusters = make(map[string]mockCluster) | ||
| client.clusters["arn:::my-cluster"] = mockCluster{2, "my-cluster", false, false} | ||
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| got := GetStaticConfigs(client) | ||
| want := []PrometheusStaticConfig{} | ||
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| if !reflect.DeepEqual(got, want) { | ||
| t.Errorf("got %s want %s", got, want) | ||
| } | ||
| }) | ||
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| t.Run("NoClusters", func(t *testing.T) { | ||
| var client mockKafkaClient | ||
| client.clusters = make(map[string]mockCluster) | ||
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| got := GetStaticConfigs(client) | ||
| want := []PrometheusStaticConfig{} | ||
| if !reflect.DeepEqual(got, want) { | ||
| t.Errorf("got %s want %s", got, want) | ||
| } | ||
| }) | ||
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| } |