diff --git a/go.mod b/go.mod index 68f7933..57d0166 100644 --- a/go.mod +++ b/go.mod @@ -3,23 +3,43 @@ module github.com/re-cinq/cloud-carbon go 1.21.4 require ( + cloud.google.com/go/monitoring v1.16.3 github.com/prometheus/client_golang v1.17.0 github.com/prometheus/common v0.45.0 github.com/stretchr/testify v1.8.4 + google.golang.org/api v0.149.0 + google.golang.org/grpc v1.59.0 k8s.io/klog/v2 v2.110.1 ) require ( + cloud.google.com/go/compute v1.23.1 // indirect + cloud.google.com/go/compute/metadata v0.2.3 // indirect github.com/beorn7/perks v1.0.1 // indirect github.com/cespare/xxhash/v2 v2.2.0 // indirect github.com/davecgh/go-spew v1.1.1 // indirect github.com/go-logr/logr v1.3.0 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/golang/protobuf v1.5.3 // indirect + github.com/google/s2a-go v0.1.7 // indirect + github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect + github.com/googleapis/gax-go/v2 v2.12.0 // indirect github.com/kr/text v0.2.0 // indirect github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 // indirect github.com/prometheus/procfs v0.11.1 // indirect + go.opencensus.io v0.24.0 // indirect + golang.org/x/crypto v0.14.0 // indirect + golang.org/x/net v0.17.0 // indirect + golang.org/x/oauth2 v0.13.0 // indirect + golang.org/x/sync v0.4.0 // indirect golang.org/x/sys v0.13.0 // indirect + golang.org/x/text v0.13.0 // indirect + google.golang.org/appengine v1.6.7 // indirect + google.golang.org/genproto v0.0.0-20231016165738-49dd2c1f3d0b // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20231016165738-49dd2c1f3d0b // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20231016165738-49dd2c1f3d0b // indirect google.golang.org/protobuf v1.31.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect ) diff --git a/go.sum b/go.sum index f0a2d6b..572c126 100644 --- a/go.sum +++ b/go.sum @@ -1,16 +1,62 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go/compute v1.23.1 h1:V97tBoDaZHb6leicZ1G6DLK2BAaZLJ/7+9BB/En3hR0= +cloud.google.com/go/compute v1.23.1/go.mod h1:CqB3xpmPKKt3OJpW2ndFIXnA9A4xAy/F3Xp1ixncW78= +cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY= +cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA= +cloud.google.com/go/monitoring v1.16.3 h1:mf2SN9qSoBtIgiMA4R/y4VADPWZA7VCNJA079qLaZQ8= +cloud.google.com/go/monitoring v1.16.3/go.mod h1:KwSsX5+8PnXv5NJnICZzW2R8pWTis8ypC4zmdRD63Tw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44= github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= +github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY= github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= +github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8= +github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= +github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg= +github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= +github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= -github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= -github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o= +github.com/google/s2a-go v0.1.7/go.mod h1:50CgR4k1jNlWBu4UfS4AcfhVe1r6pdZPygJ3R8F0Qdw= +github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/googleapis/enterprise-certificate-proxy v0.3.2 h1:Vie5ybvEvT75RniqhfFxPRy3Bf7vr3h0cechB90XaQs= +github.com/googleapis/enterprise-certificate-proxy v0.3.2/go.mod h1:VLSiSSBs/ksPL8kq3OBOQ6WRI2QnaFynd1DCjZ62+V0= +github.com/googleapis/gax-go/v2 v2.12.0 h1:A+gCJKdRfqXkr+BIRGtZLibNXf0m1f9E4HG56etFpas= +github.com/googleapis/gax-go/v2 v2.12.0/go.mod h1:y+aIqrI5eb1YGMVJfuV3185Ts/D7qKpsEkdD5+I6QGU= github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= @@ -21,6 +67,7 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/prometheus/client_golang v1.17.0 h1:rl2sfwZMtSthVU752MqfjQozy7blglC+1SOtjMAMh+Q= github.com/prometheus/client_golang v1.17.0/go.mod h1:VeL+gMmOAxkS2IqfCq0ZmHSL+LjWfWDUmp1mBz9JgUY= +github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 h1:v7DLqVdK4VrYkVD5diGdl4sxJurKJEMnODWRJlxV9oM= github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16/go.mod h1:oMQmHW1/JoDwqLtg57MGgP/Fb1CJEYF2imWWhWtMkYU= github.com/prometheus/common v0.45.0 h1:2BGz0eBc2hdMDLnO/8n0jeB3oPrt2D08CekT0lneoxM= @@ -29,18 +76,100 @@ github.com/prometheus/procfs v0.11.1 h1:xRC8Iq1yyca5ypa9n1EZnWZkt7dwcoRPQwX/5gwa github.com/prometheus/procfs v0.11.1/go.mod h1:eesXgaPo1q7lBpVMoMy0ZOFTth9hBn4W/y0/p/ScXhY= github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ= github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= +github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= +github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= +github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= +go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0= +go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc= +golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4= +golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= +golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= +golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod 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h1:U/Af64HJf7FcwMcXyKm2RPM22WZzyR7OSpYj5tg3cL0= k8s.io/klog/v2 v2.110.1/go.mod h1:YGtd1984u+GgbuZ7e08/yBuAfKLSO0+uR1Fhi6ExXjo= diff --git a/pkg/providers/gcp/gcp.go b/pkg/providers/gcp/gcp.go new file mode 100644 index 0000000..b3de1e3 --- /dev/null +++ b/pkg/providers/gcp/gcp.go @@ -0,0 +1,139 @@ +package gcp + +import ( + "context" + "fmt" + "strconv" + + monitoring "cloud.google.com/go/monitoring/apiv3/v2" + monitoringpb "cloud.google.com/go/monitoring/apiv3/v2/monitoringpb" + v1 "github.com/re-cinq/cloud-carbon/pkg/types/v1" + "google.golang.org/api/iterator" +) + +var ( + /* + * An MQL query that will return data from Google Cloud with the + * - Instance Name + * - Region + * - Machine Type + * - Reserved CPUs + * - Utilization + */ + CPUQuery = ` + fetch gce_instance + | { metric 'compute.googleapis.com/instance/cpu/utilization' + ; metric 'compute.googleapis.com/instance/cpu/reserved_cores' } + | outer_join 0 + | filter project_id = '%s' + | group_by [ + metric.instance_name, + metadata.system.region, + metadata.system.machine_type, + reserved_cores: format(t_1.value.reserved_cores, '%%f') + ], [max(t_0.value.utilization)] + | window %s + | within %s + ` +) + +// GCP is the structure used as the provider for Google Cloud Platform +type GCP struct { + client *monitoring.QueryClient + projectID string +} + +type options func(*GCP) + +// WithProjectID is an option used to pass a projectID to the provider +func WithProjectID(projectID string) options { + return func(g *GCP) { + g.projectID = projectID + } +} + +// New returns a new instance of the GCP provider as well as a function to +// cleanup connections once done +func New( + ctx context.Context, + opts ...options, +) (g *GCP, teardown func(), err error) { + // set any defaults here + g = &GCP{} + + // overwrite any options + for _, opt := range opts { + opt(g) + } + + // This allows overwriting the default client + // google by default trys to authenticate when initilizing + // a client therefore if we put this before running the options + // it would try authenticate against google regardless of overwriting the + // client + if g.client == nil { + c, err := monitoring.NewQueryClient(ctx) + if err != nil { + return nil, func() {}, err + } + g.client = c + } + + // teardown is used to close relevant connections + // and cleanup + teardown = func() { + g.client.Close() + } + + return g, teardown, nil +} + +// GetCPUUtilization returns the utilization for instances and is a wrapper +func (g *GCP) GetCPUForInstances( + ctx context.Context, + window string, +) ([]*v1.Metric, error) { + return g.instanceMetrics( + ctx, fmt.Sprintf(CPUQuery, g.projectID, window, window), + ) +} + +// instanceMetrics runs a query on googe cloud monitoring using MQL +// and responds with a list of metrics +func (g *GCP) instanceMetrics( + ctx context.Context, + query string, +) ([]*v1.Metric, error) { + var metrics []*v1.Metric + it := g.client.QueryTimeSeries(ctx, &monitoringpb.QueryTimeSeriesRequest{ + Name: fmt.Sprintf("projects/%s", g.projectID), + Query: query, + }) + + for { + resp, err := it.Next() + if err == iterator.Done { + break + } + if err != nil { + return nil, err + } + m := v1.NewMetric(resp.GetLabelValues()[0].GetStringValue()) + + m.SetType(v1.CPU).SetUsagePercentage(resp.GetPointData()[0].GetValues()[0].GetDoubleValue() * 100) + + f, err := strconv.ParseFloat(resp.GetLabelValues()[3].GetStringValue(), 64) + //TODO: we should not fail here but collect errors + if err != nil { + return nil, err + } + + m.SetTotal(f) + m.SetLabels(v1.Labels{ + "machine_type": resp.GetLabelValues()[2].GetStringValue(), + "region": resp.GetLabelValues()[1].GetStringValue(), + }) + metrics = append(metrics, m) + } + return metrics, nil +} diff --git a/pkg/providers/gcp/gcp_test.go b/pkg/providers/gcp/gcp_test.go new file mode 100644 index 0000000..d97a271 --- /dev/null +++ b/pkg/providers/gcp/gcp_test.go @@ -0,0 +1,180 @@ +package gcp + +import ( + "context" + "errors" + "fmt" + "net" + "testing" + + monitoring "cloud.google.com/go/monitoring/apiv3/v2" + "cloud.google.com/go/monitoring/apiv3/v2/monitoringpb" + v1 "github.com/re-cinq/cloud-carbon/pkg/types/v1" + "github.com/stretchr/testify/require" + "google.golang.org/api/option" + "google.golang.org/grpc" + "google.golang.org/grpc/credentials/insecure" +) + +func withTestClient(c *monitoring.QueryClient) options { + return func(g *GCP) { + g.client = c + } +} + +type fakeMonitoringServer struct { + monitoringpb.UnimplementedQueryServiceServer + // Response that will return from the fake server + Response *monitoringpb.QueryTimeSeriesResponse + // If error is set the server will return an error + Error error +} + +// setupFakeServer is used to setup a fake GRPC server to hanlde test requests +func setupFakeServer(f *fakeMonitoringServer) (*string, error) { + l, err := net.Listen("tcp", "localhost:0") + if err != nil { + return nil, err + } + gsrv := grpc.NewServer() + monitoringpb.RegisterQueryServiceServer(gsrv, f) + fakeServerAddr := l.Addr().String() + go func() { + if err := gsrv.Serve(l); err != nil { + panic(err) + } + }() + return &fakeServerAddr, nil +} + +func (f *fakeMonitoringServer) QueryTimeSeries( + ctx context.Context, + req *monitoringpb.QueryTimeSeriesRequest, +) (*monitoringpb.QueryTimeSeriesResponse, error) { + if f.Error != nil { + return nil, f.Error + } + return f.Response, nil +} + +var defaultLabelValues = []*monitoringpb.LabelValue{ + { + Value: &monitoringpb.LabelValue_StringValue{StringValue: "foobar"}, + }, + { + Value: &monitoringpb.LabelValue_StringValue{StringValue: "europe-west-1"}, + }, + { + Value: &monitoringpb.LabelValue_StringValue{StringValue: "e2-medium"}, + }, + { + Value: &monitoringpb.LabelValue_StringValue{StringValue: "2.000000"}, + }, +} + +func TestGetCPUMetrics(t *testing.T) { + assert := require.New(t) + ctx := context.TODO() + + //TODO see if we can use v1.Metric instead of this + type testMetric struct { + Name string + Total float64 + Type v1.ResourceType + Labels v1.Labels + Usage v1.Percentage + } + testdata := []struct { + description string + responsePointData []*monitoringpb.TimeSeriesData_PointData + responseLabelValues []*monitoringpb.LabelValue + err error + expectedResponse []*testMetric + query string + }{ + { + description: "query for count metrics", + query: fmt.Sprintf(CPUQuery, "foobar", "5m", "5m"), + responsePointData: []*monitoringpb.TimeSeriesData_PointData{ + { + Values: []*monitoringpb.TypedValue{ + { + Value: &monitoringpb.TypedValue_DoubleValue{ + DoubleValue: 0.01, + }, + }, + }, + }, + }, + expectedResponse: []*testMetric{ + { + Type: v1.CPU, + Labels: v1.Labels{ + "machine_type": "e2-medium", + "region": "europe-west-1", + }, + Usage: 1, + Total: 2.0000, + }, + }, + }, + { + description: "error occurs in query", + query: fmt.Sprintf(CPUQuery, "foobar", "5m", "5m"), + err: errors.New("random error occurred"), + }, + } + + for _, test := range testdata { + t.Run(test.description, func(t *testing.T) { + testResp := &monitoringpb.QueryTimeSeriesResponse{ + TimeSeriesData: []*monitoringpb.TimeSeriesData{ + { + LabelValues: defaultLabelValues, + PointData: test.responsePointData, + }, + }, + } + if len(test.responseLabelValues) != 0 { + testResp.TimeSeriesData[0].LabelValues = test.responseLabelValues + } + + fakeMonitoringServer := &fakeMonitoringServer{ + Response: testResp, + Error: test.err, + } + + addr, err := setupFakeServer(fakeMonitoringServer) + assert.NoError(err) + + client, err := monitoring.NewQueryClient(ctx, + option.WithEndpoint(*addr), + option.WithoutAuthentication(), + option.WithGRPCDialOption(grpc.WithTransportCredentials( + insecure.NewCredentials(), + )), + ) + assert.NoError(err) + + g, teardown, err := New(ctx, withTestClient(client)) + assert.NoError(err) + defer teardown() + + resp, err := g.instanceMetrics(ctx, test.query) + if test.err == nil { + assert.NoError(err) + for i, r := range resp { + assert.Equal(test.expectedResponse[i].Labels, r.Labels()) + assert.Equal(test.expectedResponse[i].Type, r.Type()) + assert.Equal(test.expectedResponse[i].Usage, r.Usage()) + assert.Equal(test.expectedResponse[i].Total, r.Total()) + } + } else { + assert.Equal( + fmt.Sprintf("%s", err), + fmt.Sprintf("rpc error: code = Unknown desc = %s", test.err), + ) + } + }) + } +} diff --git a/pkg/types/v1/metric.go b/pkg/types/v1/metric.go index accc05a..ffcafcb 100644 --- a/pkg/types/v1/metric.go +++ b/pkg/types/v1/metric.go @@ -197,3 +197,12 @@ func (r *Metric) SetEmissions(emissions ResourceEmissions) *Metric { // Allows to use it as a builder return r } + +// Set the labels for the resource +func (r *Metric) SetLabels(labels Labels) *Metric { + // Assign the total + r.labels = labels + + // Allows to use it as a builder + return r +}