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-rw-r--r--pkg/bindings/containers/containers.go37
-rw-r--r--pkg/bindings/pods/pods.go24
-rw-r--r--pkg/bindings/test/containers_test.go32
-rw-r--r--pkg/bindings/test/pods_test.go12
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())
+ })
})