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authorKunal Kushwaha <kunal.kushwaha@gmail.com>2020-05-11 07:25:47 +0000
committerKunal Kushwaha <kunal.kushwaha@gmail.com>2020-05-20 02:53:47 +0000
commit1dde2730e85706177c9a0e9078c26560a280f074 (patch)
tree3ff395f30c83d1953de9654902c17df9747e9f3f /pkg/domain/infra/abi/network.go
parentfa5b33e70b96ea8dfca3b46cab44a2e07028bf0c (diff)
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filter option added to network ls command.
filter option helps to filter output based on name or supported plugins by CNI networks. Signed-off-by: Kunal Kushwaha <kunal.kushwaha@gmail.com>
Diffstat (limited to 'pkg/domain/infra/abi/network.go')
-rw-r--r--pkg/domain/infra/abi/network.go37
1 files changed, 36 insertions, 1 deletions
diff --git a/pkg/domain/infra/abi/network.go b/pkg/domain/infra/abi/network.go
index 5c39b5374..51805a36c 100644
--- a/pkg/domain/infra/abi/network.go
+++ b/pkg/domain/infra/abi/network.go
@@ -6,7 +6,9 @@ import (
"fmt"
"io/ioutil"
"path/filepath"
+ "strings"
+ "github.com/containernetworking/cni/libcni"
cniversion "github.com/containernetworking/cni/pkg/version"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/domain/entities"
@@ -39,8 +41,19 @@ func (ic *ContainerEngine) NetworkList(ctx context.Context, options entities.Net
return nil, err
}
+ var tokens []string
+ // tokenize the networkListOptions.Filter in key=value.
+ if len(options.Filter) > 0 {
+ tokens = strings.Split(options.Filter, "=")
+ if len(tokens) != 2 {
+ return nil, fmt.Errorf("invalid filter syntax : %s", options.Filter)
+ }
+ }
+
for _, n := range networks {
- reports = append(reports, &entities.NetworkListReport{NetworkConfigList: n})
+ if ifPassesFilterTest(n, tokens) {
+ reports = append(reports, &entities.NetworkListReport{NetworkConfigList: n})
+ }
}
return reports, nil
}
@@ -256,3 +269,25 @@ func createMacVLAN(r *libpod.Runtime, name string, options entities.NetworkCreat
err = ioutil.WriteFile(cniPathName, b, 0644)
return cniPathName, err
}
+
+func ifPassesFilterTest(netconf *libcni.NetworkConfigList, filter []string) bool {
+ result := false
+ if len(filter) == 0 {
+ // No filter, so pass
+ return true
+ }
+ switch strings.ToLower(filter[0]) {
+ case "name":
+ if filter[1] == netconf.Name {
+ result = true
+ }
+ case "plugin":
+ plugins := network.GetCNIPlugins(netconf)
+ if strings.Contains(plugins, filter[1]) {
+ result = true
+ }
+ default:
+ result = false
+ }
+ return result
+}