Cirrus: Implement podman automation 2.0

Reimplement CI-automation to remove accumulated technical-debt and
optimize workflow.  The task-dependency graph designed goal was to
shorten it's depth and increase width (i.e. more parallelism).  A
reduction in redundant building (and 3rd party module download) was
also realized by caching `$GOPATH` and `$GOCACHE` early on.  This
cache is then reused in favor of a fresh clone of the repository
(when possible).

Note: The system tests typically execute MUCH faster than the
integration tests.  However, contrary to a fail-fast/fail-early
principal, they are executed last.  This was implemented due to
debug-ability related concerns/preferences of the primary
(golang-centric) project developers.

Signed-off-by: Chris Evich <cevich@redhat.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/contrib/cirrus/ext_svc_check.sh b/contrib/cirrus/ext_svc_check.sh
new file mode 100755
index 000000000..b89e3d753
--- /dev/null
+++ b/contrib/cirrus/ext_svc_check.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -eo pipefail
+
+# This script attempts basic confirmation of functional networking
+# by connecting to a set of essential external servers and failing
+# if any cannot be reached.  It's intended for use early on in the
+# podman CI system, to help prevent wasting time on tests that can't
+# succeede due to some outage or another.
+
+# shellcheck source=./contrib/cirrus/lib.sh
+source $(dirname $0)/lib.sh
+
+cat ${CIRRUS_WORKING_DIR}/${SCRIPT_BASE}/required_host_ports.txt | \
+    while read host port
+    do
+        if [[ "$port" -eq "443" ]]
+        then
+            echo "SSL/TLS to $host:$port"
+            echo -n '' | \
+                err_retry 9 1000 "" openssl s_client -quiet -no_ign_eof -connect $host:$port
+        else
+            echo "Connect to $host:$port"
+            err_retry 9 1000 1 nc -zv -w 13 $host $port
+        fi
+    done
+
+# TODO: Pull images required during testing into /dev/null
+
+# TODO: Refresh DNF package-cache into /dev/null