MEN-2248: Set production/demo intervals conditionally

Select demo default intervals with new --demo CLI option, else use
production defaults (updated in parallel in MEN-2248)

Changelog: Title

Signed-off-by: Lluis Campos <lluis.campos@northern.tech>

convert-stage-4.sh

@@ -8,13 +8,14 @@ Mender executables, service and configuration files installer.
 Usage: $0 [options]
 
     Options: [-m|--mender-disk-image | -g|--mender-client | -a|--artifact-name |
-              -d|--device-type | -p|--demo-host-ip | -u| --server-url |
+              -d|--device-type | -n|--demo | -p|--demo-host-ip | -u| --server-url |
               -c|--server-cert -t| --tenant-token -k|--keep -h|--help]
 
         --mender-disk-image - Mender raw disk image
         --mender-client     - Mender client binary file
         --artifact-name     - artifact info
         --device-type       - target device type identification
+        --demo              - Configure image using demo parameters
         --demo-host-ip      - Mender demo server IP address
         --server-url        - Mender production server url
         --server-cert       - Mender server certificate
@@ -70,6 +71,16 @@ create_client_files() {
     rootfspartb="/dev/hda3"
   fi
 
+  # Default polling intervals for Production
+  local updatePollInterval="1800"
+  local inventPollInterval="28800"
+  local retryPollInterval="300"
+  if [ -n "${demo}" ] && [ ${demo} -eq 1 ]; then
+    updatePollInterval="5"
+    inventPollInterval="5"
+    retryPollInterval="30"
+  fi
+
   cat <<- EOF > $mender_dir/mender.service
 	[Unit]
 	Description=Mender OTA update service
@@ -90,14 +101,14 @@ create_client_files() {
 
   cat <<- EOF > $mender_dir/mender.conf
 	{
-	    "InventoryPollIntervalSeconds": 5,
-	    "RetryPollIntervalSeconds": 30,
+	    "InventoryPollIntervalSeconds": "$inventPollInterval",
+	    "RetryPollIntervalSeconds": "$retryPollInterval",
 	    "RootfsPartA": "$rootfsparta",
 	    "RootfsPartB": "$rootfspartb",
 	    "ServerCertificate": "/etc/mender/server.crt",
 	    "ServerURL": "$mender_server_url",
 	    "TenantToken": "$mender_tenant_token",
-	    "UpdatePollIntervalSeconds": 5
+	    "UpdatePollIntervalSeconds": "$updatePollInterval"
 	}
 	EOF
 
@@ -261,6 +272,11 @@ do_install_mender() {
     show_help
   fi
 
+  if [ -n "${demo}" ] && [ ${demo} -eq 1 ] && [ -z "${demo_host_ip}" ]; then
+    log "Demo configuration requires demo_host_ip. Aborting."
+    show_help
+  fi
+
   # TODO: more error checking of server types
   if [ -n "${tenant_token}" ]; then
     mender_tenant_token=$(echo ${tenant_token} | tr -d '\n')
@@ -336,6 +352,10 @@ while (( "$#" )); do
       artifact_name=$2
       shift 2
       ;;
+    -n | --demo)
+      demo="1"
+      shift 1
+      ;;
     -i | --demo-host-ip)
       demo_host_ip=$2
       shift 2

mender-convert

@@ -33,7 +33,7 @@ Expert commands:
                                                   related files
 
 Options: [-r|--raw-disk-image | -m|--mender-disk-image | -s|--data-part-size-mb |
-          -d|--device-type | -p|--rootfs-partition-id | -i|--demo-host-ip |
+          -d|--device-type | -p|--rootfs-partition-id | -n|--demo | -i|--demo-host-ip |
           -c|--server-cert | -u|--server-url | -t|--tenant-token |
           -g|--mender-client | -b|--bootloader-toolchain | -a|--artifact-name |
           -e|--storage-total-size-mb | -k|--keep | -v|--version -h|--help]
@@ -47,6 +47,7 @@ Options: [-r|--raw-disk-image | -m|--mender-disk-image | -s|--data-part-size-mb
                                 Mender image
         rootfs-partition-id   - selects root filesystem (primary|secondary)
                                 as the source filesystem for an artifact
+        demo                  - Configure image using demo parameters
         demo-host-ip          - server demo ip used for testing purposes
         server-cert           - server certificate file
         server-url            - production server url
@@ -461,6 +462,10 @@ do_install_mender_to_mender_disk_image() {
   # mender-image-1.5.0
   stage_4_args="-m $mender_disk_image -d $device_type -g ${mender_client} -a ${artifact_name}"
 
+  if [ -n "$demo" ] && [ ${demo} -eq 1 ]; then
+    stage_4_args="${stage_4_args} --demo"
+  fi
+
   if [ -n "$demo_host_ip" ]; then
     stage_4_args="${stage_4_args} -i ${demo_host_ip}"
   fi
@@ -734,6 +739,10 @@ while (( "$#" )); do
       bootloader_toolchain=$2
       shift 2
       ;;
+    -n | --demo)
+      demo="1"
+      shift 1
+      ;;
     -i | --demo-host-ip)
       demo_host_ip=$2
       shift 2