From 4b4ac773eb819bd4af27bc347b702c6a04ea1ef9 Mon Sep 17 00:00:00 2001
From: Phil Brookes <phil.brookes@gmail.com>
Date: Mon, 20 Apr 2020 15:56:28 +0100
Subject: [PATCH] adding a new backup type just for amq online resources

---
 image/Dockerfile                              |  2 +-
 .../lib/component/amq_online_resources.sh     | 81 +++++++++++++++++++
 2 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 image/tools/lib/component/amq_online_resources.sh

diff --git a/image/Dockerfile b/image/Dockerfile
index 0217e4b..21bee83 100644
--- a/image/Dockerfile
+++ b/image/Dockerfile
@@ -4,7 +4,7 @@ ARG OKD_URL=https://github.com/openshift/origin/releases/download/v3.11.0/opensh
 
 RUN yum --enablerepo=extras install -y epel-release && \
     yum install -y --setopt=tsflags=nodocs python-pip mysql && \
-    yum install -y https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm && \
+    yum install -y https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm && \
     yum install -y postgresql96 && \
     yum install -y postgresql10 && \
     yum install -y redis && \
diff --git a/image/tools/lib/component/amq_online_resources.sh b/image/tools/lib/component/amq_online_resources.sh
new file mode 100644
index 0000000..dea5f5d
--- /dev/null
+++ b/image/tools/lib/component/amq_online_resources.sh
@@ -0,0 +1,81 @@
+TS=$(date '+%H_%M_%S')
+
+# Checks if a given resource is present in a given namespace
+function check_resource {
+    local type=$1
+    local ns=$2
+    local result=$(oc get $type -n $ns 2>&1 | wc -l)
+    # 1 line in the result means that only an error message
+    # was returned but no actual results. That would be at
+    # least two lines: one for the header and one for each
+    # resource found
+    if [ "$result"  -eq "1" ]; then
+        timestamp_echo "No $type in $ns to back up"
+        return 1
+    else
+        return 0
+    fi
+}
+
+# Backs up a namespaced resource
+function backup_resource {
+    local type=$1
+    local ns=$2
+    local dest=$3
+    local loop=${4-default}
+
+    # Disable extended error checks. The check_resource function relies on a non-zero
+    # return code, which is interpreted as a failed command and causes the script to be
+    # terminated with the '-e' option
+    set +eo pipefail
+    check_resource ${type} ${ns}
+    if [ "$?" -eq "0" ]; then
+        timestamp_echo "backing up $type in $ns"
+        if [ "$loop" == "y" ]; then
+            for obj in $(oc get ${type} -n ${ns} | tr -s ' ' | cut -d ' ' -f 1 |  tail -n +2); do
+                echo "$(oc get ${type}/${obj} -n ${ns} -o yaml --export)" > ${dest}/archives/${ns}-${type}.${obj}.yaml
+            done
+        else
+            oc get ${type} -n ${ns} -o yaml --export | gzip > ${dest}/archives/${ns}-${type}.yaml.gz
+        fi
+    fi
+    # Re-enable extended error checks
+    set -eo pipefail
+}
+
+# Archive all files
+function archive_files {
+    dest=$1
+    cd ${dest}/archives
+    tar --exclude='*.tar.gz' --force-local -czf ../resources_${TS}.tar.gz .
+    rm -f *.yaml.gz
+    # Move the archive back to /<dest>/archives because that's where the next step expects it
+    mv ../resources_${TS}.tar.gz .
+}
+
+# Entry point
+function component_dump_data {
+    local dest=$1
+    local ns=${PRODUCT_NAMESPACE}
+
+    timestamp_echo "Processing namespace $ns"
+    backup_resource messagingusers ${ns} ${dest} 'y'
+    backup_resource addressspaceschemas ${ns} ${dest}
+    backup_resource addresses ${ns} ${dest}
+    backup_resource addressspaces ${ns} ${dest}
+    backup_resource brokeredinfraconfigs ${ns} ${dest}
+    backup_resource standardinfraconfigs ${ns} ${dest}
+    backup_resource addressplans ${ns} ${dest}
+    backup_resource addressspaceplans ${ns} ${dest}
+    backup_resource authenticationservices ${ns} ${dest}
+    backup_resource brokeredinfraconfigs ${ns} ${dest}
+    backup_resource consoleservices ${ns} ${dest}
+    backup_resource iotconfigs ${ns} ${dest}
+    backup_resource iotprojects ${ns} ${dest}
+    backup_resource secrets ${ns} ${dest}
+    backup_resource configmaps ${ns} ${dest}
+    timestamp_echo "Processing cluster resources"
+
+    # Create a single archive including all files
+    archive_files ${dest}
+}