#636 Helm Integration

documentation/cli.asciidoc

@@ -55,6 +55,7 @@ The following commandlets are currently available:
 * link:docker.asciidoc[docker]
 * link:eclipse.asciidoc[eclipse]
 * link:gradle.asciidoc[gradle]
+* link:helm.asciidoc[helm]
 * link:help.asciidoc[help]
 * link:ide.asciidoc[ide]
 * link:intellij.asciidoc[intellij]

documentation/devonfw-ide-usage.asciidoc

@@ -22,6 +22,8 @@ include::eclipse.asciidoc[leveloffset=3]
 
 include::gradle.asciidoc[leveloffset=3]
 
+include::helm.asciidoc[leveloffset=3]
+
 include::help.asciidoc[leveloffset=3]
 
 include::ide.asciidoc[leveloffset=3]

documentation/helm.asciidoc

@@ -0,0 +1,23 @@
+:toc:
+toc::[]
+
+= Helm
+
+The helm commandlet allows to install and use https://www.helm.sh/[Helm].
+
+*ATTENTION:*
+Currently this feature is new and therefore experimental.
+It may change in incompatible ways in the next releases until we reach a stable state.
+We hope that all is working fine for you.
+However, do not expect everything to work out of the box.
+In case you are facing issues (e.g. network problems with Cisco AnyConnect, etc.) please give us feedback so we can improve.
+
+The arguments (`devon helm «args»`) are explained by the following table:
+
+.Usage of `devon helm`
+[options="header"]
+|=======================
+|*Argument(s)*    |*Meaning*
+|`setup`          |install helm on your machine.
+|`«args»`         |call helm with the specified arguments. Call `helm --help` for details or use helm directly as preferred."
+|=======================

documentation/scripts.asciidoc

@@ -13,6 +13,7 @@ This directory is the heart of the `devonfw-ide` and contains the required link:
 │  ├── link:docker.asciidoc[docker]
 │  ├── link:eclipse.asciidoc[eclipse]
 │  ├── link:gradle.asciidoc[gradle]
+|  ├── link:helm.asciidoc[helm]
 │  ├── link:help.asciidoc[help]
 │  ├── link:ide.asciidoc[ide]
 │  ├── link:intellij.asciidoc[intellij]

scripts/src/main/resources/scripts/command/helm

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+# autocompletion list
+if [ "${1}" = "shortlist" ]
+then
+  if [ -z "${2}" ]
+  then
+    echo "setup help"
+  fi
+  exit
+fi
+
+if [ -n "${DEVON_IDE_TRACE}" ]; then set -vx; fi
+# shellcheck source=scripts/functions
+source "$(dirname "${0}")"/../functions
+
+# Check if helm is installed.
+function doIsHelmInstalled() {
+  if command -v helm &> /dev/null
+  then
+    return
+  else
+    return 255
+  fi
+}
+
+# Call helm with specified arguments.
+function doRun() {
+  doSetup silent
+  helm "${@}"
+}
+
+function doSetup() {
+
+  if doIsHelmInstalled
+  then
+    if [ "${1}" != "silent" ] && ! doIsQuiet
+    then
+      helm version
+    fi
+ else
+    # Check if HELM_HOME is already set
+    if [ -z "${HELM_HOME}" ]
+    then
+      HELM_HOME="${DEVON_IDE_HOME}/software/helm"
+    fi
+
+    # Get leatest release
+    if [ -z "${HELM_VERSION}" ]
+    then
+      doEcho "Getting latest release..."
+      HELM_VERSION=$(curl -LsH "Accept: application/vnd.github.v3+json" https://api.github.com/repos/helm/helm/releases/latest | awk -F':' '/tag_name/ {print $2}' | awk -F'"' '{print $2}')
+    fi
+
+    doInstall "-" "${HELM_HOME}" "helm" "${HELM_VERSION}"
+  fi
+}
+
+
+# CLI
+case ${1} in 
+"help" | "-h")
+  echo "Install helm."
+  echo
+  echo "Arguments:"
+  echo " setup                    install helm on your machine."
+  echo " <<args>>                 call helm with the specified arguments. Call helm --help for details or use helm directly as preferred."
+  echo
+;;
+"setup" | "s" | "")
+  doEcho "Installating helm..."
+  doSetup
+;;
+*)
+  doRun "${@}"
+;;
+esac