From e84930e8c2b5d4c48e0dec699fe37caed659d0ea Mon Sep 17 00:00:00 2001
From: Luca Castellano <lcastellano@vmware.com>
Date: Mon, 12 Feb 2018 17:15:29 -0800
Subject: [PATCH] Add virtual-kubelet binary to VIC ISO

---
 Makefile                |  14 ++++
 isos/appliance-extra.sh | 171 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 185 insertions(+)
 create mode 100755 isos/appliance-extra.sh

diff --git a/Makefile b/Makefile
index 5141042c47..014f466ade 100644
--- a/Makefile
+++ b/Makefile
@@ -40,6 +40,12 @@ GOVC ?= $(GOPATH)/bin/govc$(BIN_ARCH)
 GAS ?= $(GOPATH)/bin/gas$(BIN_ARCH)
 MISSPELL ?= $(GOPATH)/bin/misspell$(BIN_ARCH)
 
+ifeq ($(VIRTUAL_KUBELET_PATH),)
+	VIRTUAL_KUBELET := virtual-kubelet
+else
+	VIRTUAL_KUBELET := $(VIRTUAL_KUBELET_PATH)
+endif
+
 .PHONY: all tools clean test check distro \
 	goversion goimports gopath govet gofmt misspell gas golint \
 	isos tethers apiservers copyright
@@ -112,6 +118,7 @@ gandalf := $(BIN)/gandalf
 tether-linux := $(BIN)/tether-linux
 
 appliance := $(BIN)/appliance.iso
+appliance-vkubelet := $(BIN)/appliance-vkubelet.iso
 appliance-staging := $(BIN)/.appliance-staging.tgz
 bootstrap := $(BIN)/bootstrap.iso
 bootstrap-staging := $(BIN)/.bootstrap-staging.tgz
@@ -140,6 +147,7 @@ tether-linux: $(tether-linux)
 
 appliance: $(appliance)
 appliance-staging: $(appliance-staging)
+appliance-vkubelet: $(appliance-vkubelet) 
 bootstrap: $(bootstrap)
 bootstrap-staging: $(bootstrap-staging)
 bootstrap-debug: $(bootstrap-debug)
@@ -420,6 +428,12 @@ $(appliance): isos/appliance.sh isos/appliance/* isos/vicadmin/** $(vicadmin) $(
 	@echo building VCH appliance ISO
 	@$(TIME) $< -p $(appliance-staging) -b $(BIN)
 
+.PHONY: $(appliance-vkubelet)
+# main appliance target + virtual kubelet - depends on all top level component targets
+$(appliance-vkubelet): isos/appliance-extra.sh isos/appliance/* isos/vicadmin/** $(vicadmin) $(vic-init) $(portlayerapi) $(docker-engine-api) $(appliance-staging) $(archive)
+	@echo building VCH appliance ISO
+	@$(TIME) $< -p $(appliance-staging) -b $(BIN) -x $(VIRTUAL_KUBELET) -f virtual-kubelet -o $@
+
 # main bootstrap target
 $(bootstrap): isos/bootstrap.sh $(tether-linux) $(bootstrap-staging) isos/bootstrap/*
 	@echo "Making bootstrap iso"
diff --git a/isos/appliance-extra.sh b/isos/appliance-extra.sh
new file mode 100755
index 0000000000..ba426adf37
--- /dev/null
+++ b/isos/appliance-extra.sh
@@ -0,0 +1,171 @@
+#!/bin/bash
+# Copyright 2018 VMware, Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This file should eventually be merged back into the main VIC appliance
+# build process. Common code between the regular appliance build and the
+# the extra-binary appliance build should be identified before merging.
+
+# Build the appliance filesystem ontop of the base
+
+# exit on failure and configure debug, include util functions
+set -e && [ -n "$DEBUG" ] && set -x
+DIR=$(dirname $(readlink -f "$0"))
+. $DIR/base/utils.sh
+
+
+function usage() {
+echo "Usage: $0 -p staged-package(tgz) -b binary-dir -x binary-source -f binary-filename (inside the ISO) -o appliance-output-name" 1>&2
+exit 1
+}
+
+while getopts "p:b:x:f:o:" flag
+do
+    case $flag in
+
+        p)
+            # Required. Package name
+            PACKAGE="$OPTARG"
+            ;;
+
+        b)
+            # Required. Target for iso and source for components
+            BIN="$OPTARG"
+            ;;
+
+        x)
+            # Required. Source of the extra binary to add to the ISO
+            EXTRABIN="$OPTARG"
+            ;;
+
+        f)
+            # Required. Filename of the extra binary inside the ISO
+            EXTRABIN_FILENAME="$OPTARG"
+            ;;
+
+        o)
+            # Required. Filename of the target appliance ISO
+            APPLIANCE_OUTNAME="$OPTARG"
+            ;;
+
+        *)
+            usage
+            ;;
+    esac
+done
+
+shift $((OPTIND-1))
+
+# check there were no extra args and the required ones are set
+if [ ! -z "$*" -o -z "$PACKAGE" -o -z "${BIN}" ]; then
+    usage
+fi
+
+if [ -z "${EXTRABIN}" -o -z "${EXTRABIN_FILENAME}" -o -z "${APPLIANCE_OUTNAME}" ]; then
+    usage
+fi
+
+PKGDIR=$(mktemp -d)
+
+# unpackage base package
+unpack $PACKAGE $PKGDIR
+
+#################################################################
+# Above: arg parsing and setup
+# Below: the image authoring
+#################################################################
+
+# sysctl
+cp ${DIR}/appliance/sysctl.conf $(rootfs_dir $PKGDIR)/etc/
+
+## systemd configuration
+# create systemd vic target
+cp ${DIR}/appliance/vic.target $(rootfs_dir $PKGDIR)/etc/systemd/system/
+cp ${DIR}/appliance/*.service $(rootfs_dir $PKGDIR)/etc/systemd/system/
+cp ${DIR}/appliance/*-setup $(rootfs_dir $PKGDIR)/etc/systemd/scripts
+
+mkdir -p $(rootfs_dir $PKGDIR)/etc/systemd/system/vic.target.wants
+ln -s /etc/systemd/system/vic-init.service $(rootfs_dir $PKGDIR)/etc/systemd/system/vic.target.wants/
+ln -s /etc/systemd/system/nat.service $(rootfs_dir $PKGDIR)/etc/systemd/system/vic.target.wants/
+ln -s /etc/systemd/system/permissions.service $(rootfs_dir $PKGDIR)/etc/systemd/system/vic.target.wants/
+ln -s /lib/systemd/system/multi-user.target $(rootfs_dir $PKGDIR)/etc/systemd/system/vic.target.wants/
+
+# disable networkd given we manage the link state directly
+rm -f $(rootfs_dir $PKGDIR)/etc/systemd/system/multi-user.target.wants/systemd-networkd.service
+rm -f $(rootfs_dir $PKGDIR)/etc/systemd/system/sockets.target.wants/systemd-networkd.socket
+
+# Disable time synching.  We'll use toolbox for this.
+rm -f $(rootfs_dir $PKGDIR)/etc/systemd/system/sysinit.target.wants/systemd-timesyncd.service
+
+# change the default systemd target to launch VIC
+ln -sf /etc/systemd/system/vic.target $(rootfs_dir $PKGDIR)/etc/systemd/system/default.target
+
+# do not use the systemd dhcp client
+rm -f $(rootfs_dir $PKGDIR)/etc/systemd/network/*
+cp ${DIR}/base/no-dhcp.network $(rootfs_dir $PKGDIR)/etc/systemd/network/
+
+# do not use the default iptables rules - nat-setup supplants this
+rm -f $(rootfs_dir $PKGDIR)/etc/systemd/network/*
+
+#
+# Set up component users
+#
+
+chroot $(rootfs_dir $PKGDIR) groupadd -g 1000 vicadmin
+chroot $(rootfs_dir $PKGDIR) useradd -u 1000 -g 1000 -G systemd-journal -m -d /home/vicadmin -s /bin/false vicadmin
+
+# Group vic should be used to run all VIC related services.
+chroot $(rootfs_dir $PKGDIR) groupadd -g 1001 vic
+chroot $(rootfs_dir $PKGDIR) usermod -a -G vic vicadmin
+
+cp -R ${DIR}/vicadmin/* $(rootfs_dir $PKGDIR)/home/vicadmin
+chown -R 1000:1000 $(rootfs_dir $PKGDIR)/home/vicadmin
+
+# so vicadmin can read the system journal via journalctl
+install -m 755 -d $(rootfs_dir $PKGDIR)/etc/tmpfiles.d
+echo "m  /var/log/journal/%m/system.journal 2755 root systemd-journal - -" > $(rootfs_dir $PKGDIR)/etc/tmpfiles.d/systemd.conf
+
+chroot $(rootfs_dir $PKGDIR) mkdir -p /var/run/lock
+chroot $(rootfs_dir $PKGDIR) chmod 1777 /var/run/lock
+chroot $(rootfs_dir $PKGDIR) touch /var/run/lock/logrotate_run.lock
+chroot $(rootfs_dir $PKGDIR) chown root:vic /var/run/lock/logrotate_run.lock
+chroot $(rootfs_dir $PKGDIR) chmod 0660 /var/run/lock/logrotate_run.lock
+
+## main VIC components
+# tether based init
+cp ${BIN}/vic-init $(rootfs_dir $PKGDIR)/sbin/vic-init
+
+cp ${BIN}/{docker-engine-server,port-layer-server,vicadmin} $(rootfs_dir $PKGDIR)/sbin/
+cp ${BIN}/unpack $(rootfs_dir $PKGDIR)/bin/
+
+# Extra binaries
+APPLIANCE_NAME=$(basename ${APPLIANCE_OUTNAME})
+GS=$(echo ${EXTRABIN} | grep '^gs://' | cat)
+if [ -n "$GS" ]; then
+    EXTRABIN_LATEST_BUILD="$(gsutil ls -l ${EXTRABIN} | grep -v TOTAL | sort -k2 -r | (trap ' ' PIPE; head -1))"
+    EXTRABIN_URL=$(echo ${EXTRABIN_LATEST_BUILD} | xargs | cut -d " " -f 3 | sed "s/gs:\/\//https:\/\/storage.googleapis.com\//")
+    wget -nv ${EXTRABIN_URL} -O ${BIN}/${EXTRABIN_FILENAME}
+else
+    if [ -f ${EXTRABIN} ]; then
+        cp ${EXTRABIN} ${BIN}/${EXTRABIN_FILENAME}
+    else
+       echo "Error while adding extra file to the appliance ISO: file ${EXTRABIN} not found"
+       exit -1
+    fi
+fi
+cp ${BIN}/${EXTRABIN_FILENAME} $(rootfs_dir $PKGDIR)/sbin/
+
+## Generate the ISO
+# Select systemd for our init process
+generate_iso $PKGDIR $BIN/${APPLIANCE_NAME} /lib/systemd/systemd