scripts: Refactor to support different Mender server options.

This mirrors the way it is handled in Yocto with the demo server, the production
server, and hosted mender.

Signed-off-by: Drew Moseley <drew.moseley@northern.tech>

Changelog: Title

README.md

@@ -37,10 +37,25 @@ unzip 2019-06-20-raspbian-buster-lite.zip && cd ..
 
 Bootstrap the demo rootfs overlay that is configured to connect to
 https://hosted.mender.io with polling intervals set appropriately for
-demonstration purposes:
+demonstration purposes.  There are three scripts here to support
+the Mender demo server, the Mender production server, and hosted
+Mender.
 
 ```
-./scripts/bootstrap-rootfs-overlay-demo.sh \
+./scripts/bootstrap-rootfs-overlay-demo-server.sh \
+    --output-dir ${PWD}/rootfs_overlay_demo \
+    --server-ip 192.168.1.1
+```
+
+```
+./scripts/bootstrap-rootfs-overlay-production-server.sh \
+    --output-dir ${PWD}/rootfs_overlay_demo \
+    --server-url https://foobar.mender.io \
+    [ --server-cert ~/server.crt ]
+```
+
+```
+./scripts/bootstrap-rootfs-overlay-hosted-server.sh \
     --output-dir ${PWD}/rootfs_overlay_demo \
     --tenant-token "Paste token from Hosted Mender"
 ```

scripts/bootstrap-rootfs-overlay-demo-server.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+#
+# Copyright 2019 Northern.tech AS
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Exit if any command exits with a non-zero exit status.
+set -o errexit
+
+root_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )/../" && pwd )
+if [ "${root_dir}" != "${PWD}" ]; then
+    echo "You must execute $(basename $0) from the root directory: ${root_dir}"
+    exit 1
+fi
+
+server_ip=""
+output_dir=""
+while (( "$#" )); do
+  case "$1" in
+    -o | --output-dir)
+      output_dir="${2}"
+      shift 2
+      ;;
+    -s | --server-ip)
+      server_ip="${2}"
+      shift 2
+      ;;
+    *)
+      echo "Sorry but the provided option is not supported: $1"
+      echo "Usage:  $(basename $0) --output-dir ./rootfs_overlay_demo --server-ip <your server IP address>"
+      exit 1
+      ;;
+  esac
+done
+
+if [ -z "${output_dir}" ]; then
+    echo "Sorry, but you need to provide an output directory using the '-o/--output-dir' option"
+    exit 1
+fi
+if [ -z "${server_ip}" ]; then
+    echo "Sorry, but you need to provide a server IP address using the '-s/--server-ip' option"
+    exit 1
+fi
+
+mkdir -p ${output_dir}/etc/mender
+cat <<- EOF > ${output_dir}/etc/mender/mender.conf
+{
+  "InventoryPollIntervalSeconds": 5,
+  "RetryPollIntervalSeconds": 30,
+  "ServerURL": "https://docker.mender.io",
+  "ServerCertificate": "/etc/mender/server.crt",
+  "UpdatePollIntervalSeconds": 5
+}
+EOF
+cat <<- EOF > ${output_dir}/etc/hosts
+127.0.0.1	localhost
+
+# The following lines are desirable for IPv6 capable hosts
+::1     localhost ip6-localhost ip6-loopback
+ff02::1 ip6-allnodes
+ff02::2 ip6-allrouters
+
+${server_ip} docker.mender.io s3.docker.mender.io
+EOF
+wget -q "https://raw.githubusercontent.com/mendersoftware/mender/master/support/demo.crt" -O ${output_dir}/etc/mender/server.crt
+
+echo "Configuration file for using Demo Mender Server written to: ${output_dir}/etc/mender"

scripts/bootstrap-rootfs-overlay-demo.sh → scripts/bootstrap-rootfs-overlay-hosted-server.sh

@@ -23,9 +23,7 @@ if [ "${root_dir}" != "${PWD}" ]; then
     exit 1
 fi
 
-# Do not actually paste it here, this is just the default value that will
-# end up in mender.conf if no token is specified using '--tenant-token'
-tenant_token="Paste your Hosted Mender token here"
+tenant_token=""
 output_dir=""
 while (( "$#" )); do
   case "$1" in
@@ -39,7 +37,7 @@ while (( "$#" )); do
       ;;
     *)
       echo "Sorry but the provided option is not supported: $1"
-      echo "Usage:  $(basename $0) --tenant-token"
+      echo "Usage:  $(basename $0) --output-dir ./rootfs_overlay_demo --tenant-token <paste your token here>"
       exit 1
       ;;
   esac
@@ -50,6 +48,11 @@ if [ -z "${output_dir}" ]; then
     exit 1
 fi
 
+if [ -z "${tenant_token}" ]; then
+    echo "Sorry, but you need to provide a tenant token using the '-t/--tenant-token' option"
+    exit 1
+fi
+
 mkdir -p ${output_dir}/etc/mender
 cat <<- EOF > ${output_dir}/etc/mender/mender.conf
 {
@@ -61,4 +64,4 @@ cat <<- EOF > ${output_dir}/etc/mender/mender.conf
 }
 EOF
 
-echo "Configuration file written to: ${output_dir}/etc/mender"
+echo "Configuration file for using Hosted Mender written to: ${output_dir}/etc/mender"

scripts/bootstrap-rootfs-overlay-production-server.sh

@@ -0,0 +1,80 @@
+#!/bin/bash
+#
+# Copyright 2019 Northern.tech AS
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Exit if any command exits with a non-zero exit status.
+set -o errexit
+
+root_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )/../" && pwd )
+if [ "${root_dir}" != "${PWD}" ]; then
+    echo "You must execute $(basename $0) from the root directory: ${root_dir}"
+    exit 1
+fi
+
+server_url=""
+output_dir=""
+while (( "$#" )); do
+  case "$1" in
+    -o | --output-dir)
+      output_dir="${2}"
+      shift 2
+      ;;
+    -s | --server-url)
+      server_url="${2}"
+      shift 2
+      ;;
+    -S | --server-cert)
+      server_cert="${2}"
+      shift 2
+      ;;
+    *)
+      echo "Sorry but the provided option is not supported: $1"
+      echo "Usage:  $(basename $0) --output-dir ./rootfs_overlay_demo --server-url <your server URL> [--server-cert <path to your server.crt file>]"
+      exit 1
+      ;;
+  esac
+done
+
+if [ -z "${output_dir}" ]; then
+    echo "Sorry, but you need to provide an output directory using the '-o/--output-dir' option"
+    exit 1
+fi
+
+if [ -z "${server_url}" ]; then
+    echo "Sorry, but you need to provide a server URL using the '-s/--server-url' option"
+    exit 1
+fi
+
+mkdir -p ${output_dir}/etc/mender
+cat <<- EOF > ${output_dir}/etc/mender/mender.conf
+{
+  "InventoryPollIntervalSeconds": 5,
+  "RetryPollIntervalSeconds": 30,
+  "ServerURL": "${server_url}",
+EOF
+
+if [ -n "${server_cert}" ] ; then
+cat <<- EOF >> ${output_dir}/etc/mender/mender.conf
+  "ServerCertificate": "/etc/mender/server.crt",
+EOF
+cp -f "${server_cert}" ${output_dir}/etc/mender/server.crt
+fi
+
+cat <<- EOF >> ${output_dir}/etc/mender/mender.conf
+  "UpdatePollIntervalSeconds": 5
+}
+EOF
+
+echo "Configuration file for using Production Mender Server written to: ${output_dir}/etc/mender"