#596 Declare supported operations (#652)

* Add operations to tedge_mapper
* Add operations directory on install, remove supported ops from sm-c8y mapper
* Update install command in postinst script to correctly create ops files

Signed-off-by: Lukasz Woznicki <lukasz.woznicki@softwareag.com>

3 files changed, 46 insertions, 4 deletions

diff --git a/configuration/debian/tedge/postinst b/configuration/debian/tedge/postinst
index 08f36052..2f0dfee1 100755
--- a/configuration/debian/tedge/postinst
+++ b/configuration/debian/tedge/postinst
@@ -25,6 +25,10 @@ install -g tedge -o tedge -m 755 -d /etc/tedge
 install -g tedge -o tedge -m 755 -d /etc/tedge/mosquitto-conf
 install -g mosquitto -o mosquitto -m 755 -d /etc/tedge/device-certs
 
+# Create a directory for the operations added by the user.
+install -g tedge -o tedge -m 755 -d /etc/tedge/operations
+install -g tedge -o tedge -m 755 -d /etc/tedge/plugins
+
 # Create directory for logs
 install -g tedge -o tedge -m 755 -d /var/log/tedge
 
diff --git a/configuration/debian/tedge_mapper/postinst b/configuration/debian/tedge_mapper/postinst
index 17e45367..9e27c5ce 100644
--- a/configuration/debian/tedge_mapper/postinst
+++ b/configuration/debian/tedge_mapper/postinst
@@ -13,4 +13,15 @@ if ! getent passwd tedge-mapper >/dev/null; then
     adduser --quiet --system --no-create-home --ingroup tedge-mapper --shell /usr/sbin/nologin tedge-mapper
 fi
 
+### Create supported cloud operations directories
+install -g tedge -o tedge -m 755 -d /etc/tedge/operations/c8y
+install -g tedge -o tedge -m 755 -d /etc/tedge/operations/az
+
+### Create operation file.
+# This allows thin-edge.io components to list and declare supported operations for the cloud provider.
+# Some of the examples for Cumulocity IoT supported opertations: https://cumulocity.com/api/10.11.0/#section/Device-management-library/Miscellaneous
+install -g tedge -o tedge -m 664 /dev/null /etc/tedge/operations/c8y/c8y_SoftwareUpdate
+install -g tedge -o tedge -m 664 /dev/null /etc/tedge/operations/c8y/c8y_Restart
+install -g tedge -o tedge -m 664 /dev/null /etc/tedge/operations/c8y/c8y_LogfileRequest
+
 #DEBHELPER#
diff --git a/configuration/debian/tedge_mapper/postrm b/configuration/debian/tedge_mapper/postrm
index 942ff29c..eec30fbb 100644
--- a/configuration/debian/tedge_mapper/postrm
+++ b/configuration/debian/tedge_mapper/postrm
@@ -1,9 +1,36 @@
 #!/bin/sh
 set -e
 
-### Remove user tedge-mapper
-if getent passwd tedge-mapper >/dev/null; then
-    deluser --quiet --system tedge-mapper
-fi
+remove_tedge_mapper_user() {
+    if getent passwd tedge-mapper >/dev/null; then
+        pkill -u tedge-mapper || true
+        deluser --quiet --system tedge-mapper
+    fi
+}
+
+purge_operations() {
+    if [ -d "/etc/tedge/operations" ]; then
+        rm -rf /etc/tedge/operations
+    fi
+}
+
+case "$1" in
+    purge)
+        remove_tedge_mapper_user
+        purge_operations
+    ;;
+
+    remove)
+        remove_tedge_mapper_user
+    ;;
+
+    upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+    ;;
+
+    *)
+        echo "tedge postrm called with unknown argument \`$1\`" >&2
+        exit 1
+    ;;
+esac
 
 #DEBHELPER#