[QC-600] Script to update ccdb host in consul (#742)

* Script to update the ccdb host in all config files in all head nodes.

* remove port number

* add back port number

* Don't use the alias

Author: Barthelemy

Framework/script/updateCcdbConsul.sh

@@ -0,0 +1,53 @@
+# This script updates the ccdb host in all config files in all head nodes.
+# It is ad hoc and specific but it can easily be modified for similar purpose.
+
+# set -x
+
+HEAD_NODES=(
+#  alio2-cr1-flp162
+#  alio2-cr1-flp146
+#  alio2-cr1-flp160
+#  alio2-cr1-flp187
+#  alio2-cr1-flp148
+#  alio2-cr1-flp182
+#  alio2-cr1-flp159
+#  alio2-cr1-flp164
+#  alio2-cr1-flp178
+#  alio2-cr1-hv-head01
+#  alio2-cr1-flp166
+#  alio2-cr1-flp181
+#  alio2-cr1-mvs01
+  barth-test-cc7.cern.ch
+)
+echo "Number of nodes: ${#HEAD_NODES[@]}"
+
+# Check that we have `jq`
+if ! command -v jq &> /dev/null
+then
+    echo "jq could not be found, please install it."
+    exit
+fi
+
+# for each node
+for ((nodeIndex = 0; nodeIndex < ${#HEAD_NODES[@]}; nodeIndex++)); do
+
+  node=${HEAD_NODES[${nodeIndex}]}
+  echo "node: $node"
+  export CONSUL_HTTP_ADDR=${node}:8500
+  echo $CONSUL_HTTP_ADDR
+
+  # Get the list of config files for qc
+  list_files=$(curl -s ${node}:8500/v1/kv/o2/components/qc/ANY/any?keys=true | jq -c -r '.[]')
+  IFS=$'\n' read -rd '' -a array_files <<<"$list_files"
+
+  # for each file
+  for file in "${array_files[@]}"; do
+    echo "file: $file"
+    # download
+    consul kv get "$file" >/tmp/consul.json
+    # modify
+    new_content=$(cat /tmp/consul.json | jq  '.qc.config.database.host |= "alio2-cr1-hv-qcdb1:8083"')
+    # upload
+    consul kv put "$file" "$new_content"
+  done
+done