Added 'k8s_deployed' fixture

Created a separate fixture for Kubernetes deployment.
Modified existing k8s related fixtures / tests so they
use it now and updated templates with k8s environments.

Also this patch includes few minor changes:

 * removed unused fixture 'deploy_openstack' which
   was a full copy of 'openstack_deployed' fixture;
 * removed unused modules imports;
 * fixed typos and docstrings.

Change-Id: Ic35551f3e52913cede753b92e7d5a81f54570b01
Reviewed-on: https://review.gerrithub.io/365234
Reviewed-by: <vrovachev@mirantis.com>
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Tatyanka Leontovich <tleontovich@mirantis.com>
diff --git a/tcp_tests/templates/virtual-mcp11-k8s-calico/k8s.yaml b/tcp_tests/templates/virtual-mcp11-k8s-calico/k8s.yaml
new file mode 100644
index 0000000..d63fba3
--- /dev/null
+++ b/tcp_tests/templates/virtual-mcp11-k8s-calico/k8s.yaml
@@ -0,0 +1,52 @@
+{% from 'virtual-mcp11-k8s-calico/underlay.yaml' import HOSTNAME_CFG01 with context %}
+
+- description: Install etcd
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False
+    -C 'I@etcd:server' state.sls etcd.server.service
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+- description: Check the etcd health
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False
+     -C 'I@etcd:server' cmd.run '. /var/lib/etcd/configenv && etcdctl cluster-health'
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+- description: Install Kubernetes and Calico
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False
+     -C 'I@kubernetes:master' state.sls kubernetes.master.kube-addons;
+     salt --hard-crash --state-output=mixed --state-verbose=False -C 'I@kubernetes:pool' state.sls kubernetes.pool;
+     salt --hard-crash --state-output=mixed --state-verbose=False -C 'I@kubernetes:pool' cmd.run 'calicoctl node status';
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+- description: Setup NAT for Calico
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False
+    -C 'I@etcd:server' --subset 1 state.sls etcd.server.setup
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+- description: Run whole master to check consistency
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False
+     -C 'I@kubernetes:master' state.sls kubernetes exclude=kubernetes.master.setup
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: true
+
+- description: Register addons
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False
+    -C 'I@kubernetes:master' --subset 1 state.sls kubernetes.master.setup
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+# Run conformance tests
+- description: Run tests
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False 'ctl01*' cmd.run "docker run --rm --net=host -e API_SERVER='http://127.0.0.1:8080' docker-dev-virtual.docker.mirantis.net/mirantis/kubernetes/k8s-conformance:v1.6.2-2_1493800192393 >> e2e.output"
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false