Added microstack.launch command. (#30)

Added microstack.launch command.

Provides a quick way to launch an m1.tiny instance.

Extendable in the future to be a bit more like the multipass launch or lxc launch commands.

snapcraft.yaml

@@ -295,6 +295,11 @@ apps:
 #    plugs:
 #      - network-bind
 
+  launch:
+    command: bin/launch.sh
+#    plugs:
+#      - network
+
 parts:
   # OpenStack Python Projects, keyed off Keystone
   openstack-projects:
@@ -767,6 +772,12 @@ parts:
     configflags:
       - "--with-kmod=no"
 
+  launch:
+    plugin: dump
+    source: src/launch
+    organize:
+      launch.sh: bin/launch.sh
+
   # Openstack Shared Parts
   overlay:
     plugin: dump

src/launch/launch.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+set -e
+
+if [ -z "$1" ]; then
+    echo "Please specify a name for the server."
+    exit 1
+else
+    SERVER=$1
+fi
+
+if [[ ! $(microstack.openstack keypair list | grep "| microstack |") ]]; then
+    echo "creating keypair ($HOME/.ssh/id_microstack)"
+    mkdir -p $HOME/.ssh
+    chmod 700 $HOME/.ssh
+    microstack.openstack keypair create microstack >> $HOME/.ssh/id_microstack
+fi
+
+echo "Checking security groups ..."
+SECGROUP_ID=`microstack.openstack security group list --project admin -f value -c ID`
+if [[ ! $(microstack.openstack security group rule list | grep icmp | grep $SECGROUP_ID) ]]; then
+    echo "Creating security group rule for ping."
+    microstack.openstack security group rule create $SECGROUP_ID --proto icmp
+fi
+
+if [[ ! $(microstack.openstack security group rule list | grep tcp | grep $SECGROUP_ID) ]]; then
+    echo "Creating security group rule for ssh."
+    microstack.openstack security group rule create $SECGROUP_ID --proto tcp --dst-port 22
+fi
+
+echo "Launching instance ..."
+microstack.openstack server create --flavor m1.tiny --image cirros --nic net-id=test --key-name microstack $SERVER
+
+echo "Allocating floating ip ..."
+ALLOCATED_FIP=`microstack.openstack floating ip create -f value -c floating_ip_address external`
+microstack.openstack server add floating ip $SERVER $ALLOCATED_FIP
+
+echo "Waiting for server to launch."
+while :; do
+    if [[ $(microstack.openstack server list | grep $SERVER | grep ACTIVE) ]]; then
+        echo "Launch complete!"
+        microstack.openstack server list
+        echo "Access your server with 'ssh -i $HOME/.ssh/id_microstack cirros@$ALLOCATED_FIP'"
+        break
+    fi
+    if [[ $(microstack.openstack server list | grep $SERVER | grep ERROR) ]]; then
+        microstack.openstack server list
+        echo "Uh-oh. There was an error. See /var/snap/microstack/common/logs for details."
+        break
+    fi
+done
+
+echo "You can also visit the openstack dashboard at 'http://localhost/'"