Merge ~nicolasbock/stsstack-bundles:fake_webserver into stsstack-bundles:master

[Nicolas Bock]

[Felipe Reyes (freyes)]

review: Needs Fixing

[Edward Hope-Morley (hopem)]

The repository has moved to https://github.com/canonical/stsstack-bundles/. Please resubmit there if you are still working on this patch.

Unmerged commits

c92e8ba... by Nicolas Bock on 2020-10-15

Add script to create a fake webserver for Octavia

The `run_fake_webserver.sh` configures running cirros VMs to run a
fake webserver using netcat on port 80. This can be used to verify
that the health monitor that is created with the
`create_octavia_lb.sh` script works properly.

Signed-off-by: Nicolas Bock <email address hidden>

diff --git a/openstack/tools/run_fake_webserver.sh b/openstack/tools/run_fake_webserver.sh
new file mode 100755
index 0000000..b2e770b
--- /dev/null
+++ b/openstack/tools/run_fake_webserver.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# This script assumes that there is at least one server that was
+# created with
+#
+# ./tools/instance_launch.sh N cirros (so the testkey.priv exists)
+#
+# and has a security group that allows ssh and http ports
+#
+# ./tools/sec_groups.sh
+#
+# The VM will get a floating IP and then run a fake HTTP server on
+# port 80.
+
+set -x -u -e
+
+cirros_password=gocubsgo
+
+readarray -t member_vm < <(openstack server list --column ID --format value --name cirros)
+(( ${#member_vm[@]} )) || { echo "ERROR: could not find a cirros vm to add to lb pool"; exit 1; }
+
+for member in ${member_vm[@]}; do
+    IP=$(openstack server show --format value --column addresses ${member} | awk '{print $2}')
+    if [[ -z ${IP} ]]; then
+        echo "Attaching floating IP to member ${member}"
+        IP=$(openstack floating ip create --format value --column floating_ip_address ext_net)
+        openstack server add floating ip ${member} ${IP}
+        while true; do
+            if ping -c 1 ${IP}; then
+                break
+            fi
+            sleep 1
+        done
+    fi
+
+    sshpass -p${cirros_password} ssh cirros@${IP} -- cat \> webserver.sh <<EOF
+#!/bin/sh
+
+while true; do
+    printf "HTTP/1.1 200 OK\n\n \$(date) from ${IP}\n" | sudo nc -l -p 80
+done
+EOF
+    sshpass -p${cirros_password} ssh cirros@${IP} -- chmod 755 webserver.sh
+    sshpass -p${cirros_password} ssh cirros@${IP} -- nohup ./webserver.sh > /dev/null 2>&1 &
+done