Handle podman build --dns-search

Fixes: https://github.com/containers/podman/issues/9574

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

2 files changed, 58 insertions, 0 deletions

diff --git a/pkg/api/handlers/compat/images_build.go b/pkg/api/handlers/compat/images_build.go
index e06f93b89..392f688dd 100644
--- a/pkg/api/handlers/compat/images_build.go
+++ b/pkg/api/handlers/compat/images_build.go
@@ -77,6 +77,9 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		Devices                string `schema:"devices"`
 		Dockerfile             string `schema:"dockerfile"`
 		DropCapabilities       string `schema:"dropcaps"`
+		DNSServers             string `schema:"dnsservers"`
+		DNSOptions             string `schema:"dnsoptions"`
+		DNSSearch              string `schema:"dnssearch"`
 		Excludes               string `schema:"excludes"`
 		ForceRm                bool   `schema:"forcerm"`
 		From                   string `schema:"from"`
@@ -160,6 +163,36 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		devices = m
 	}
 
+	var dnsservers = []string{}
+	if _, found := r.URL.Query()["dnsservers"]; found {
+		var m = []string{}
+		if err := json.Unmarshal([]byte(query.DNSServers), &m); err != nil {
+			utils.BadRequest(w, "dnsservers", query.DNSServers, err)
+			return
+		}
+		dnsservers = m
+	}
+
+	var dnsoptions = []string{}
+	if _, found := r.URL.Query()["dnsoptions"]; found {
+		var m = []string{}
+		if err := json.Unmarshal([]byte(query.DNSOptions), &m); err != nil {
+			utils.BadRequest(w, "dnsoptions", query.DNSOptions, err)
+			return
+		}
+		dnsoptions = m
+	}
+
+	var dnssearch = []string{}
+	if _, found := r.URL.Query()["dnssearch"]; found {
+		var m = []string{}
+		if err := json.Unmarshal([]byte(query.DNSSearch), &m); err != nil {
+			utils.BadRequest(w, "dnssearches", query.DNSSearch, err)
+			return
+		}
+		dnssearch = m
+	}
+
 	var output string
 	if len(query.Tag) > 0 {
 		output = query.Tag[0]
@@ -285,6 +318,9 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 			CPUQuota:   query.CpuQuota,
 			CPUShares:  query.CpuShares,
 			CPUSetCPUs: query.CpuSetCpus,
+			DNSServers: dnsservers,
+			DNSOptions: dnsoptions,
+			DNSSearch:  dnssearch,
 			HTTPProxy:  query.HTTPProxy,
 			Memory:     query.Memory,
 			MemorySwap: query.MemSwap,
diff --git a/pkg/bindings/images/build.go b/pkg/bindings/images/build.go
index 27706fd2c..1cbd28c37 100644
--- a/pkg/bindings/images/build.go
+++ b/pkg/bindings/images/build.go
@@ -87,6 +87,28 @@ func Build(ctx context.Context, containerFiles []string, options entities.BuildO
 		params.Add("devices", d)
 	}
 
+	if dnsservers := options.CommonBuildOpts.DNSServers; len(dnsservers) > 0 {
+		c, err := jsoniter.MarshalToString(dnsservers)
+		if err != nil {
+			return nil, err
+		}
+		params.Add("dnsservers", c)
+	}
+	if dnsoptions := options.CommonBuildOpts.DNSOptions; len(dnsoptions) > 0 {
+		c, err := jsoniter.MarshalToString(dnsoptions)
+		if err != nil {
+			return nil, err
+		}
+		params.Add("dnsoptions", c)
+	}
+	if dnssearch := options.CommonBuildOpts.DNSSearch; len(dnssearch) > 0 {
+		c, err := jsoniter.MarshalToString(dnssearch)
+		if err != nil {
+			return nil, err
+		}
+		params.Add("dnssearch", c)
+	}
+
 	if caps := options.DropCapabilities; len(caps) > 0 {
 		c, err := jsoniter.MarshalToString(caps)
 		if err != nil {