First version of jenkins nodes enforcing.
Fixed python-bcrypt dependency definition.
Fixed plurals in state file names.
diff --git a/_states/jenkins_node.py b/_states/jenkins_node.py
new file mode 100644
index 0000000..b80fd4d
--- /dev/null
+++ b/_states/jenkins_node.py
@@ -0,0 +1,139 @@
+import logging
+logger = logging.getLogger(__name__)
+
+
+create_node_groovy = u"""\
+import jenkins.model.*
+import hudson.model.*
+import hudson.slaves.*
+import hudson.plugins.sshslaves.*
+import java.util.ArrayList;
+import hudson.slaves.EnvironmentVariablesNodeProperty.Entry;
+
+  Slave slave = new DumbSlave(
+                    "{name}",
+                    "{desc}",
+                    "{remote_home}",
+                    "{num_executors}",
+                    Node.Mode.{node_mode},
+                    "{label}",
+                    {launcher},
+                    new RetentionStrategy.{ret_strategy}(),
+                    new LinkedList())
+  Jenkins.instance.addNode(slave)
+  print "{name}"
+"""  # noqa
+
+create_lbl_groovy = u"""\
+hudson = hudson.model.Hudson.instance
+updated = false
+hudson.slaves.find {{ slave -> slave.nodeName.equals("{name}")
+  if({append}){{
+    slave.labelString = slave.labelString + " " + "{lbl_text}"
+  }}else{{
+    slave.labelString = "{lbl_text}"
+  }}
+  updated = true
+  print "{lbl_text}"
+}}
+if(!updated){{
+    print "FAILED"
+}}
+hudson.save()
+"""  # noqa
+
+
+def label(name, lbl_text, append=False):
+    """
+    Jenkins node label state method
+
+    :param name: node name
+    :param lbl_text: label text
+    :returns: salt-specified state dict
+    """
+    test = __opts__['test']  # noqa
+    ret = {
+        'name': name,
+        'changes': {},
+        'result': False,
+        'comment': '',
+    }
+    result = False
+    if test:
+        status = 'CREATED'
+        ret['changes'][name] = status
+        ret['comment'] = 'Label %s %s' % (name, status.lower())
+    else:
+        call_result = __salt__['jenkins_common.call_groovy_script'](
+            create_lbl_groovy, {'name': name, 'lbl_text': lbl_text, 'append': "true" if append else "false"})
+        if call_result["code"] == 200 and call_result["msg"].strip() == lbl_text:
+            status = "CREATED"
+            ret['changes'][name] = status
+            ret['comment'] = 'Label %s %s ' % (name, status.lower())
+            result = True
+        else:
+            status = 'FAILED'
+            logger.error(
+                "Jenkins label API call failure: %s", call_result["msg"])
+            ret['comment'] = 'Jenkins label API call failure: %s' % (
+                call_result["msg"])
+    ret['result'] = None if test else result
+    return ret
+
+
+def present(name, remote_home, launcher, num_executors="1", node_mode="Normal", desc="", label="", ret_strategy="Always"):
+    """
+    Jenkins node state method
+
+    :param name: node name
+    :param remote_home: node remote home path
+    :param launcher: launcher dict with type, name, port, username, password
+    :param num_executors: number of node executurs (optional, default 1)
+    :param node_mode: node mode (optional, default Normal)
+    :param ret_strategy: node retention strategy from RetentionStrategy class
+    :returns: salt-specified state dict
+    """
+    test = __opts__['test']  # noqa
+    ret = {
+        'name': name,
+        'changes': {},
+        'result': False,
+        'comment': '',
+    }
+    result = False
+    if test:
+        status = 'CREATED'
+        ret['changes'][name] = status
+        ret['comment'] = 'Node %s %s' % (name, status.lower())
+    else:
+        launcher_string = "new JNLPLauncher()"
+        if launcher:
+            if launcher["type"] == "ssh":
+                launcher_string = 'new SSHLauncher("{}",{},"{}","{}","","","","","")'.format(
+                    launcher["host"], launcher["port"], launcher["username"], launcher["password"])
+            elif launcher["type"] == "jnlp":
+                launcher_string = "new JNLPLauncher()"
+
+        call_result = __salt__['jenkins_common.call_groovy_script'](
+            create_node_groovy,
+            {"name": name,
+                "desc": desc,
+                "label": label,
+                "remote_home": remote_home,
+                "num_executors": num_executors,
+                "launcher": launcher_string,
+                "node_mode": node_mode.upper(),
+                "ret_strategy": ret_strategy})
+        if call_result["code"] == 200 and call_result["msg"].strip() == name:
+            status = "CREATED"
+            ret['changes'][name] = status
+            ret['comment'] = 'Node %s %s' % (name, status.lower())
+            result = True
+        else:
+            status = 'FAILED'
+            logger.error(
+                "Jenkins node API call failure: %s", call_result["msg"])
+            ret['comment'] = 'Jenkins node API call failure: %s' % (
+                call_result["msg"])
+    ret['result'] = None if test else result
+    return ret