Merge branch 'pin-script' into 'master'

create a pin script for outputting how to pin the current release

See merge request platform-one/big-bang/umbrella!36

hack/pin.sh

+#!/bin/bash
+
+# This script can be used to pull out the values that are needed to pin the current deployments git commits to prevent
+# internal packages from moving:
+
+# After deploying a healthy environment, run this script and take the output values section and merge into
+# the values file for the deployemnt:
+
+#  ./hack/pin.sh                                                                
+
+# istio:
+#   git:
+#     commit: f40172dd278e4f3551e6a1e8d4c8625771fbf928
+#     branch: chart-release
+# clusterAuditor:
+#   git:
+#     commit: 4ca478df04063ec8cd91b3ae2d2472b77675495d
+#     branch: chart-release
+# gatekeeper:
+#   git:
+#     commit: 714069053e9696f5e116deb2f677f1c2d213e9b6
+#     branch: chart-release
+# logging:
+#   git:
+#     commit: 02d6e9a073d196ecdf0951941c432beea642fc73
+#     branch: release-v0.2.x
+# monitoring:
+#   git:
+#     commit: 014fb187b81eb976e76a4bb1a76bb4479aa2cea3
+#     branch: release-v0.2.x
+# twistlock:
+#   git:
+#     commit: faf038197291915713e0f213a4e35991e72f73f6
+#     branch: chart-release
+
+function get_commit() {
+    kubectl get gitrepositories.source.toolkit.fluxcd.io -n bigbang $1 -o jsonpath="{ .status.artifact.revision }" | cut -f2 -d "/"
+}
+
+function get_branch() {
+    kubectl get gitrepositories.source.toolkit.fluxcd.io -n bigbang $1 -o jsonpath="{ .status.artifact.revision }" | cut -f1 -d "/"
+}
+
+# create script to product the pins for 
+echo """
+istio:
+  git:
+    commit: `get_commit istio`
+    branch: `get_branch istio`
+clusterAuditor:
+  git:
+    commit: `get_commit cluster-auditor`
+    branch: `get_branch cluster-auditor`
+gatekeeper:
+  git:
+    commit: `get_commit gatekeeper`
+    branch: `get_branch gatekeeper`
+logging:
+  git:
+    commit: `get_commit logging`
+    branch: `get_branch logging`
+monitoring:
+  git:
+    commit: `get_commit monitoring`
+    branch: `get_branch monitoring`
+twistlock:
+  git:
+    commit: `get_commit twistlock`
+    branch: `get_branch twistlock`
+"""
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