Fix kubectl installation (#799)

* Fix kubectl installation

* Fix kubectl installation

* Add --client flag

* Fix for ubuntu 16.04

* Move kubectl apt packages installation to basic.sh

* Combined separated scripts for kubectl installation to one

* Minor fix

* Remove apt-transport-https package from basic.sh

* Delete helm init

images/linux/scripts/installers/1604/basic.sh

@@ -40,7 +40,7 @@ apt-fast install -y --no-install-recommends \
     zip \
     zstd
 
-# Electron / VSCode / GitHub Desktop prereqs
+# Electron / VSCode / GitHub Desktop / kubectl prereqs
 apt-fast install -y --no-install-recommends \
     libxkbfile-dev \
     pkg-config \
@@ -57,7 +57,8 @@ apt-fast install -y --no-install-recommends \
     rpm \
     xz-utils \
     xorriso \
-    zsync
+    zsync \
+    gnupg2
 
 # Run tests to determine that the software installed as expected
 echo "Testing to make sure that script performed as expected, and basic scenarios work"
@@ -99,3 +100,4 @@ DocumentInstalledItemIndent "upx"
 DocumentInstalledItemIndent "wget"
 DocumentInstalledItemIndent "zip"
 DocumentInstalledItemIndent "zstd"
+DocumentInstalledItemIndent "gnupg2"

images/linux/scripts/installers/1604/kubernetes-tools.sh

@@ -1,40 +0,0 @@
-#!/bin/bash
-################################################################################
-##  File:  kubernetes-tools.sh
-##  Desc:  Installs kubectl, helm
-################################################################################
-
-# Source the helpers for use with the script
-source $HELPER_SCRIPTS/document.sh
-source $HELPER_SCRIPTS/apt.sh
-
-## Install kubectl
-apt-get install -y apt-transport-https
-curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
-touch /etc/apt/sources.list.d/kubernetes.list
-echo "deb http://apt.kubernetes.io/ kubernetes-$(lsb_release -cs) main" | tee -a /etc/apt/sources.list.d/kubernetes.list
-apt-get update
-apt-get install -y kubectl
-
-# Install Helm
-curl https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash
-
-# Run tests to determine that the software installed as expected
-echo "Testing to make sure that script performed as expected, and basic scenarios work"
-if ! command -v kubectl; then
-    echo "kubectl was not installed"
-    exit 1
-fi
-
-if ! command -v helm; then
-    echo "helm was not installed"
-    exit 1
-fi
-
-echo "Initializing helm"
-helm init --client-only
-
-# Document what was added to the image
-echo "Lastly, documenting what we added to the metadata file"
-DocumentInstalledItem "kubectl ($(kubectl version --short |& head -n 1))"
-DocumentInstalledItem "helm ($(helm version --short |& head -n 1))"

images/linux/scripts/installers/1804/basic.sh

@@ -130,6 +130,9 @@ apt-get install -y --no-install-recommends curl
 echo "Install parallel"
 apt-get install -y --no-install-recommends parallel
 
+echo "Install gnupg2"
+apt-get install -y --no-install-recommends gnupg2
+
 # Run tests to determine that the software installed as expected
 echo "Testing to make sure that script performed as expected, and basic scenarios work"
 for cmd in curl file ftp jq netcat ssh parallel rsync shellcheck sudo telnet time unzip wget zip; do
@@ -168,3 +171,4 @@ DocumentInstalledItemIndent "upx"
 DocumentInstalledItemIndent "wget"
 DocumentInstalledItemIndent "zip"
 DocumentInstalledItemIndent "zstd"
+DocumentInstalledItemIndent "gnupg2"

images/linux/scripts/installers/kubernetes-tools.sh

@@ -9,12 +9,11 @@ source $HELPER_SCRIPTS/document.sh
 source $HELPER_SCRIPTS/apt.sh
 
 ## Install kubectl
-apt-get install -y apt-transport-https
 curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
 touch /etc/apt/sources.list.d/kubernetes.list
 
-# Based on https://kubernetes.io/docs/tasks/tools/install-kubectl/, package is still called xenial
+# Based on https://kubernetes.io/docs/tasks/tools/install-kubectl/, package is xenial for both OS versions.
-echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list
+echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list
 apt-get update
 apt-get install -y kubectl
 
@@ -33,10 +32,7 @@ if ! command -v helm; then
     exit 1
 fi
 
-echo "Initializing helm"
-helm init --client-only
-
 # Document what was added to the image
 echo "Lastly, documenting what we added to the metadata file"
-DocumentInstalledItem "kubectl ($(kubectl version --short |& head -n 1))"
+DocumentInstalledItem "kubectl ($(kubectl version --client --short |& head -n 1))"
 DocumentInstalledItem "helm ($(helm version --short |& head -n 1))"

images/linux/ubuntu1604.json

@@ -204,7 +204,7 @@
                 "{{template_dir}}/scripts/installers/image-magick.sh",
                 "{{template_dir}}/scripts/installers/java-tools.sh",
                 "{{template_dir}}/scripts/installers/kind.sh",
-                "{{template_dir}}/scripts/installers/1604/kubernetes-tools.sh",
+                "{{template_dir}}/scripts/installers/kubernetes-tools.sh",
                 "{{template_dir}}/scripts/installers/leiningen.sh",
                 "{{template_dir}}/scripts/installers/1604/mercurial.sh",
                 "{{template_dir}}/scripts/installers/miniconda.sh",

images/linux/ubuntu1804.json

@@ -207,7 +207,7 @@
                 "{{template_dir}}/scripts/installers/image-magick.sh",
                 "{{template_dir}}/scripts/installers/java-tools.sh",
                 "{{template_dir}}/scripts/installers/kind.sh",
-                "{{template_dir}}/scripts/installers/1804/kubernetes-tools.sh",
+                "{{template_dir}}/scripts/installers/kubernetes-tools.sh",
                 "{{template_dir}}/scripts/installers/leiningen.sh",
                 "{{template_dir}}/scripts/installers/1804/mercurial.sh",
                 "{{template_dir}}/scripts/installers/miniconda.sh",