diff --git a/devops-service/commands/deploy_env.rb b/devops-service/commands/deploy_env.rb
index 43860e8..25f7b8e 100644
--- a/devops-service/commands/deploy_env.rb
+++ b/devops-service/commands/deploy_env.rb
@@ -5,6 +5,8 @@ module DeployEnvCommands
 
   include ImageCommands
 
+  # All these commands should be removed when all deploy envs are switched to new validation system
+
   def check_expires! val
     raise InvalidRecord.new "Parameter 'expires' is invalid" if val.match(/^[0-9]+[smhdw]$/).nil?
   end
diff --git a/devops-service/db/mongo/models/deploy_env_ec2.rb b/devops-service/db/mongo/models/deploy_env_ec2.rb
index a1e5f29..5370b70 100644
--- a/devops-service/db/mongo/models/deploy_env_ec2.rb
+++ b/devops-service/db/mongo/models/deploy_env_ec2.rb
@@ -15,6 +15,14 @@ class DeployEnvEc2 < DeployEnvBase
         :subnets => {:type => Array, :empty => true},
         :groups => {:type => Array, :empty => false}
 
+  set_validators  ::Validators::DeployEnv::RunList,
+                  ::Validators::DeployEnv::Expiration,
+                  ::Validators::DeployEnv::Users,
+                  ::Validators::DeployEnv::Flavor,
+                  ::Validators::DeployEnv::Image,
+                  ::Validators::DeployEnv::SubnetBelongsToProvider,
+                  ::Validators::DeployEnv::Groups
+
   def initialize d={}
     super(d)
     self.flavor = d["flavor"]
@@ -29,23 +37,6 @@ class DeployEnvEc2 < DeployEnvBase
     self.groups = (b.is_a?(Array) ? b.uniq : b)
   end
 
-  def validate!
-    super
-
-    p = ::Provider::ProviderFactory.get(self.provider)
-    check_flavor!(p, self.flavor)
-    check_image!(p, self.image)
-    check_subnets_and_groups!(p, self.subnets, self.groups) do |networks|
-      unless self.subnets.empty?
-        {"vpc-id" => networks.detect{|n| n["name"] == self.subnets[0]}["vpcId"] }
-      end
-    end
-
-    true
-  rescue InvalidRecord => e
-    raise InvalidRecord.new "Deploy environment '#{self.identifier}'. " + e.message
-  end
-
   def to_hash
     h = super
     h.merge!({
@@ -60,4 +51,14 @@ class DeployEnvEc2 < DeployEnvBase
     DeployEnvEc2.new(hash)
   end
 
+  private
+
+  def subnets_filter
+    networks = provider_instance.networks
+
+    unless self.subnets.empty?
+      {"vpc-id" => networks.detect{|n| n["name"] == self.subnets[0]}["vpcId"] }
+    end
+  end
+
 end
diff --git a/devops-service/providers/ec2_stub.rb b/devops-service/providers/ec2_stub.rb
new file mode 100644
index 0000000..76afba8
--- /dev/null
+++ b/devops-service/providers/ec2_stub.rb
@@ -0,0 +1,67 @@
+# Stub some methods in Ec2 Provider
+
+puts '!!! WARNING !!!'
+puts '!!! Some EC2 methods are stubbed !!!'
+
+class Provider::Ec2
+
+  def groups filter=nil
+    {
+      'test' => {
+        'description' => 'Description',
+        'rules' =>  [{
+          "protocol" => "ip_protocol",
+          "from" => "from_port",
+          "to" => "to_port",
+          "cidr" => "cidr"
+        }]
+      },
+      'default' => {
+        'description' => 'Description',
+        'rules' =>  [{
+          "protocol" => "ip_protocol",
+          "from" => "from_port",
+          "to" => "to_port",
+          "cidr" => "cidr"
+        }]
+      }
+    }
+  end
+
+  def flavors
+    [{
+      "id" => 'test_flavor',
+      "v_cpus" => 2,
+      "ram" => 256,
+      "disk" => 1000
+    }]
+  end
+
+  def images filters
+    [
+      {
+        "id" => 'test_image_ec2',
+        "name" => 'test image',
+        "status" => 'test status'
+      }
+    ]
+  end
+
+  def networks
+    networks_detail
+  end
+
+  def networks_detail
+    [
+      {
+        'cidr' => '192.0.2.32/27',
+        'vpcId' => 'test_network_id',
+        'subnetId' => 'test_network_id',
+        'name' => 'test_network_id',
+        'zone' => 'test_zone'
+
+      }
+    ]
+  end
+
+end
\ No newline at end of file
diff --git a/devops-service/tests/templates/api_v2/10_create/40_deploy_env.feature.erb b/devops-service/tests/templates/api_v2/10_create/40_deploy_env.feature.erb
index 1c18bda..a8cafc6 100644
--- a/devops-service/tests/templates/api_v2/10_create/40_deploy_env.feature.erb
+++ b/devops-service/tests/templates/api_v2/10_create/40_deploy_env.feature.erb
@@ -142,6 +142,133 @@ Feature: Create deploy env
     """
     Then response should be '200'
 
+
+  #---------------------
+  # EC2
+  #---------------------
+
+  <% ec2_project_name = @config["ec2"]["project"]["name"] %>
+  <% precreated_ec2_deploy_env = @formatter.json('deploy_env/ec2/valid', spaces: 8) %>
+  @ec2
+  Scenario: Send deploy env with invalid runlist for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= @formatter.json('deploy_env/ec2/valid', spaces: 8) %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/run_list', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "Invalid run list elements: 'wrong_role'. Each element should be role or recipe."
+
+  @ec2
+  Scenario: Send deploy env with invalid expiration for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/expires', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "Parameter 'expires' is invalid. Valid format: [0-9]+[smhdw] or null."
+
+  @ec2
+  Scenario: Send deploy env with invalid user (missing in mongo) for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/users', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "These users are missing in mongo: 'non_existing_user'."
+
+  @ec2
+  Scenario: Send deploy env with invalid flavor for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/flavor', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "Invalid flavor 'wrong_flavor'."
+
+  @ec2
+  Scenario: Send deploy env with invalid image for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/image', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "Invalid image 'wrong_image'."
+
+  @ec2
+  Scenario: Send deploy env with invalid subnets for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/subnets_invalid', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "Invalid subnets 'wrong_subnet'."
+
+  @ec2
+  Scenario: Send deploy env with invalid groups for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/invalid/groups', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '400'
+    And response error should be "Invalid groups 'wrong_group'."
+
+  @ec2
+  Scenario: Create deploy env for project <%= ec2_project_name %>
+    When I send PUT '/v2.0/project/<%= ec2_project_name %>' query with JSON body
+    """
+    {
+      "deploy_envs": [
+        <%= precreated_ec2_deploy_env %>,
+        <%= @formatter.json('deploy_env/ec2/valid_double', spaces: 8) %>
+      ],
+      "name": "<%= ec2_project_name %>"
+    }
+    """
+    Then response should be '200'
+
+
   #---------------------
   # STATIC
   #---------------------
diff --git a/devops-service/tests/templates/fixtures/deploy_env.yml b/devops-service/tests/templates/fixtures/deploy_env.yml
index e93cc2d..3a5f4e5 100644
--- a/devops-service/tests/templates/fixtures/deploy_env.yml
+++ b/devops-service/tests/templates/fixtures/deploy_env.yml
@@ -40,6 +40,47 @@ openstack:
       <<: *invalid_base
       groups: ['wrong_group']
 
+ec2:
+  valid: &valid
+    identifier: test
+    run_list: []
+    expires:
+    provider: ec2
+    users: ['test']
+    flavor: test_flavor
+    image: test_image_ec2
+    subnets: ['test_network_id']
+  valid_double:
+    <<: *valid
+    identifier: test2
+  invalid:
+    base: &invalid_base
+      <<: *valid
+      identifier: test2
+    run_list:
+      <<: *invalid_base
+      run_list: ['wrong_role']
+    expires:
+      <<: *invalid_base
+      expires: 10_wrong
+    users:
+      <<: *invalid_base
+      users: [ 'non_existing_user' ]
+    flavor:
+      <<: *invalid_base
+      flavor: wrong_flavor
+    image:
+      <<: *invalid_base
+      image: wrong_image
+    subnets_empty:
+      <<: *invalid_base
+      subnets:
+    subnets_invalid:
+      <<: *invalid_base
+      subnets: ['wrong_subnet']
+    groups:
+      <<: *invalid_base
+      groups: ['wrong_group']
 
 static:
   valid: &valid