astefanutti commented on a change in pull request #2771:
URL: https://github.com/apache/camel-k/pull/2771#discussion_r777379979



##########
File path: pkg/util/kubernetes/factory.go
##########
@@ -114,3 +115,34 @@ func NewResourceRequirements(reqs []string) 
(corev1.ResourceRequirements, error)
 
        return resReq, nil
 }
+
+// NewConfigmap will create a Configmap.
+func NewConfigmap(namespace, cmName, originalFilename string, generatedKey 
string,

Review comment:
       nit: NewConfigmap -> NewConfigMap

##########
File path: pkg/trait/mount.go
##########
@@ -0,0 +1,177 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package trait
+
+import (
+       "fmt"
+       "strings"
+
+       appsv1 "k8s.io/api/apps/v1"
+       "k8s.io/api/batch/v1beta1"
+       corev1 "k8s.io/api/core/v1"
+
+       serving "knative.dev/serving/pkg/apis/serving/v1"
+
+       v1 "github.com/apache/camel-k/pkg/apis/camel/v1"
+       "github.com/apache/camel-k/pkg/util/kubernetes"
+       utilResource "github.com/apache/camel-k/pkg/util/resource"
+)
+
+// The Mount trait can be used to configure volumes mounted on the Integration 
Pod.

Review comment:
       nit: Pod -> Pod(s)

##########
File path: pkg/trait/mount.go
##########
@@ -0,0 +1,177 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package trait
+
+import (
+       "fmt"
+       "strings"
+
+       appsv1 "k8s.io/api/apps/v1"
+       "k8s.io/api/batch/v1beta1"
+       corev1 "k8s.io/api/core/v1"
+
+       serving "knative.dev/serving/pkg/apis/serving/v1"
+
+       v1 "github.com/apache/camel-k/pkg/apis/camel/v1"
+       "github.com/apache/camel-k/pkg/util/kubernetes"
+       utilResource "github.com/apache/camel-k/pkg/util/resource"
+)
+
+// The Mount trait can be used to configure volumes mounted on the Integration 
Pod.
+//
+// +camel-k:trait=mount
+// nolint: tagliatelle
+type mountTrait struct {
+       BaseTrait `property:",squash"`
+       // A list of configuration pointing to configmap/secret. Syntax: 
[configmap|secret]:name[key], where name represents the resource name and key 
optionally represents the resource key to be filtered
+       Configs []string `property:"configs" json:"configs,omitempty"`

Review comment:
       It may be useful to state in what `Configs` and `Resources` differ.

##########
File path: pkg/trait/mount.go
##########
@@ -0,0 +1,177 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package trait
+
+import (
+       "fmt"
+       "strings"
+
+       appsv1 "k8s.io/api/apps/v1"
+       "k8s.io/api/batch/v1beta1"
+       corev1 "k8s.io/api/core/v1"
+
+       serving "knative.dev/serving/pkg/apis/serving/v1"
+
+       v1 "github.com/apache/camel-k/pkg/apis/camel/v1"
+       "github.com/apache/camel-k/pkg/util/kubernetes"
+       utilResource "github.com/apache/camel-k/pkg/util/resource"
+)
+
+// The Mount trait can be used to configure volumes mounted on the Integration 
Pod.
+//
+// +camel-k:trait=mount
+// nolint: tagliatelle
+type mountTrait struct {
+       BaseTrait `property:",squash"`
+       // A list of configuration pointing to configmap/secret. Syntax: 
[configmap|secret]:name[key], where name represents the resource name and key 
optionally represents the resource key to be filtered
+       Configs []string `property:"configs" json:"configs,omitempty"`
+       // A list of resources pointing to configmap/secret. Syntax: 
[configmap|secret]:name[/key][@path], where name represents the resource name, 
key optionally represents the resource key to be filtered and path represents 
the destination path
+       Resources []string `property:"resources" json:"resources,omitempty"`
+       // A list of Persistent Volume Claims to be mounted. Syntax: 
[pvcname:/container/path]
+       Volumes []string `property:"volumes" json:"volumes,omitempty"`
+}
+
+func newMountTrait() Trait {
+       return &mountTrait{
+               // Must follow immediately the container trait
+               BaseTrait: NewBaseTrait("mount", 1610),
+       }
+}
+
+func (t *mountTrait) Configure(e *Environment) (bool, error) {
+       if IsFalse(t.Enabled) {
+               return false, nil
+       }
+
+       if !e.IntegrationInPhase(v1.IntegrationPhaseInitialization) && 
!e.IntegrationInRunningPhases() {
+               return false, nil
+       }
+
+       // Validate resources and pvcs
+       for _, c := range t.Configs {
+               if !strings.HasPrefix(c, "configmap:") && !strings.HasPrefix(c, 
"secret:") {
+                       return false, fmt.Errorf("unsupported config %s, must 
be a configmap or secret resource", c)
+               }
+       }
+       for _, r := range t.Resources {
+               if !strings.HasPrefix(r, "configmap:") && !strings.HasPrefix(r, 
"secret:") {
+                       return false, fmt.Errorf("unsupported resource %s, must 
be a configmap or secret resource", r)
+               }
+       }
+
+       return true, nil
+}
+
+func (t *mountTrait) Apply(e *Environment) error {
+       if e.IntegrationInPhase(v1.IntegrationPhaseInitialization) {

Review comment:
       Could the `Configure` method return `false` then during the 
`IntegrationPhaseInitialization` phase?




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