diff options
Diffstat (limited to 'pkg/bindings')
-rw-r--r-- | pkg/bindings/containers/containers.go | 37 | ||||
-rw-r--r-- | pkg/bindings/pods/pods.go | 24 | ||||
-rw-r--r-- | pkg/bindings/test/containers_test.go | 32 | ||||
-rw-r--r-- | pkg/bindings/test/pods_test.go | 12 |
4 files changed, 100 insertions, 5 deletions
diff --git a/pkg/bindings/containers/containers.go b/pkg/bindings/containers/containers.go index c2f10345f..bad1294f4 100644 --- a/pkg/bindings/containers/containers.go +++ b/pkg/bindings/containers/containers.go @@ -5,8 +5,10 @@ import ( "net/http" "net/url" "strconv" + "strings" "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/api/handlers" lpapiv2 "github.com/containers/libpod/pkg/api/handlers/libpod" "github.com/containers/libpod/pkg/bindings" ) @@ -193,7 +195,40 @@ func Start(ctx context.Context, nameOrID string, detachKeys *string) error { } func Stats() {} -func Top() {} + +// Top gathers statistics about the running processes in a container. The nameOrID can be a container name +// or a partial/full ID. The descriptors allow for specifying which data to collect from the process. +func Top(ctx context.Context, nameOrID string, descriptors []string) ([]string, error) { + conn, err := bindings.GetClient(ctx) + if err != nil { + return nil, err + } + params := url.Values{} + + if len(descriptors) > 0 { + // flatten the slice into one string + params.Set("ps_args", strings.Join(descriptors, ",")) + } + response, err := conn.DoRequest(nil, http.MethodGet, "/containers/%s/top", params, nameOrID) + if err != nil { + return nil, err + } + + body := handlers.ContainerTopOKBody{} + if err = response.Process(&body); err != nil { + return nil, err + } + + // handlers.ContainerTopOKBody{} returns a slice of slices where each cell in the top table is an item. + // In libpod land, we're just using a slice with cells being split by tabs, which allows for an idiomatic + // usage of the tabwriter. + topOutput := []string{strings.Join(body.Titles, "\t")} + for _, out := range body.Processes { + topOutput = append(topOutput, strings.Join(out, "\t")) + } + + return topOutput, err +} // Unpause resumes the given paused container. The nameOrID can be a container name // or a partial/full ID. diff --git a/pkg/bindings/pods/pods.go b/pkg/bindings/pods/pods.go index 49cce6e2b..bb0abebc4 100644 --- a/pkg/bindings/pods/pods.go +++ b/pkg/bindings/pods/pods.go @@ -5,15 +5,33 @@ import ( "net/http" "net/url" "strconv" + "strings" "github.com/containers/libpod/libpod" "github.com/containers/libpod/pkg/bindings" "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/specgen" + jsoniter "github.com/json-iterator/go" ) -func CreatePod() error { - // TODO - return bindings.ErrNotImplemented +func CreatePodFromSpec(ctx context.Context, s *specgen.PodSpecGenerator) (*entities.PodCreateReport, error) { + var ( + pcr entities.PodCreateReport + ) + conn, err := bindings.GetClient(ctx) + if err != nil { + return nil, err + } + specgenString, err := jsoniter.MarshalToString(s) + if err != nil { + return nil, err + } + stringReader := strings.NewReader(specgenString) + response, err := conn.DoRequest(stringReader, http.MethodPost, "/pods/create", nil) + if err != nil { + return nil, err + } + return &pcr, response.Process(&pcr) } // Exists is a lightweight method to determine if a pod exists in local storage diff --git a/pkg/bindings/test/containers_test.go b/pkg/bindings/test/containers_test.go index 55c739865..9dd9cb707 100644 --- a/pkg/bindings/test/containers_test.go +++ b/pkg/bindings/test/containers_test.go @@ -34,7 +34,7 @@ var _ = Describe("Podman containers ", func() { AfterEach(func() { s.Kill() - //bt.cleanup() + bt.cleanup() }) It("podman pause a bogus container", func() { @@ -380,4 +380,34 @@ var _ = Describe("Podman containers ", func() { _, err = time.Parse(time.RFC1123Z, o) Expect(err).To(BeNil()) }) + + It("podman top", func() { + var name = "top" + cid, err := bt.RunTopContainer(&name, &bindings.PFalse, nil) + Expect(err).To(BeNil()) + + // By name + output, err := containers.Top(bt.conn, name, nil) + Expect(err).To(BeNil()) + + // By id + output, err = containers.Top(bt.conn, cid, nil) + Expect(err).To(BeNil()) + + // With descriptors + output, err = containers.Top(bt.conn, cid, []string{"user,pid,hpid"}) + Expect(err).To(BeNil()) + header := strings.Split(output[0], "\t") + for _, d := range []string{"USER", "PID", "HPID"} { + Expect(d).To(BeElementOf(header)) + } + + // With bogus ID + _, err = containers.Top(bt.conn, "IdoNotExist", nil) + Expect(err).ToNot(BeNil()) + + // With bogus descriptors + _, err = containers.Top(bt.conn, cid, []string{"Me,Neither"}) + Expect(err).To(BeNil()) + }) }) diff --git a/pkg/bindings/test/pods_test.go b/pkg/bindings/test/pods_test.go index c54170648..0f786e341 100644 --- a/pkg/bindings/test/pods_test.go +++ b/pkg/bindings/test/pods_test.go @@ -7,6 +7,7 @@ import ( "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/bindings" "github.com/containers/libpod/pkg/bindings/pods" + "github.com/containers/libpod/pkg/specgen" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" "github.com/onsi/gomega/gexec" @@ -307,4 +308,15 @@ var _ = Describe("Podman pods", func() { Expect(err).To(BeNil()) Expect(len(podSummary)).To(Equal(0)) }) + + It("simple create pod", func() { + ps := specgen.PodSpecGenerator{} + ps.Name = "foobar" + _, err := pods.CreatePodFromSpec(bt.conn, &ps) + Expect(err).To(BeNil()) + + exists, err := pods.Exists(bt.conn, "foobar") + Expect(err).To(BeNil()) + Expect(exists).To(BeTrue()) + }) }) |