Add missing Bosco setup script

Author: brianhlin

hosted-ce/bosco-override-setup.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# Populate the bosco override dir from a Git repo
+# Expected Git repo layout:
+#     RESOURCE_NAME_1/
+#         bosco_override/
+#         ...
+#     RESOURCE_NAME_2/
+#         bosco_override/
+#         ...
+#     ...
+
+function errexit {
+    echo "$1" >&2
+    exit 1
+}
+
+[[ $# -ge 2 ]] || errexit "Usage: bosco-override-setup.sh <GIT ENDPOINT> <RESOURCE NAME> [<GIT SSH KEY>]"
+
+GIT_ENDPOINT=$1
+RESOURCE_NAME=$2
+GIT_SSH_KEY=$3
+
+# pre-scan the Git repo's host key
+if [[ $GIT_ENDPOINT =~ ^([A-Za-z0-9_-]+)@([^:]+): ]]; then
+    GIT_USER="${BASH_REMATCH[1]}"
+    GIT_HOST="${BASH_REMATCH[2]}"
+    GIT_HOST_KEY=$(ssh-keyscan "$GIT_HOST")
+    if [[ -n $GIT_HOST_KEY ]]; then
+        echo $GIT_HOST_KEY >> /etc/ssh/ssh_known_hosts
+    else
+        errexit "Failed to determine host key for $GIT_HOST"
+    fi
+
+    if [[ -f "$GIT_SSH_KEY" ]]; then
+        cat <<EOF >> /etc/ssh/ssh_config
+
+Host $GIT_HOST
+User $GIT_USER
+IdentityFile $GIT_SSH_KEY
+EOF
+    fi
+fi
+
+REPO_DIR=$(mktemp -d)
+OVERRIDE_DIR=/etc/condor-ce/bosco_override/
+
+git clone --depth=1 $GIT_ENDPOINT $REPO_DIR || errexit "Failed to clone $GIT_ENDPOINT into $REPO_DIR"
+
+# Bosco override dirs are expected in the following location in the git repo:
+#   <RESOURCE NAME>/bosco_override/
+RESOURCE_DIR="$REPO_DIR/$RESOURCE_NAME/"
+[[ -d $RESOURCE_DIR ]] || errexit "Could not find $RESOURCE_NAME/ under $GIT_ENDPOINT"
+rsync -az "$RESOURCE_DIR/bosco_override/"  $OVERRIDE_DIR