add Curl installer

plugins/platform-backend/cli/install.sh

@@ -0,0 +1,213 @@
+executables_url() {
+    echo "http://localhost:3000/api/idp/executables"
+}
+download_url() {
+    echo "http://localhost:7007/api/idp/executables/dist"
+}
+
+info() {
+    local action="$1"
+    local details="$2"
+    command printf '\033[1;32m%12s\033[0m %s\n' "$action" "$details" 1>&2
+}
+
+error() {
+    command printf '\033[1;31mError\033[0m: %s\n\n' "$1" 1>&2
+}
+
+warning() {
+    command printf '\033[1;33mWarning\033[0m: %s\n\n' "$1" 1>&2
+}
+
+request() {
+    command printf '\033[1m%s\033[0m\n' "$1" 1>&2
+}
+
+eprintf() {
+    command printf '%s\n' "$1" 1>&2
+}
+
+bold() {
+    command printf '\033[1m%s\033[0m' "$1"
+}
+
+usage() {
+    cat >&2 <<END_USAGE
+install.sh: Install idp executables
+
+USAGE:
+    install.sh [FLAGS] [OPTIONS]
+
+FLAGS:
+    -h, --help                  Prints help information
+
+OPTIONS:
+        --skip-setup            Do not modify startup scripts
+END_USAGE
+}
+
+idp_home_is_ok() {
+    if [ -n "${IDP_HOME-}" ] && [ -e "$IDP_HOME" ] && ! [ -d "$IDP_HOME" ]; then
+        error "\$IDP_HOME is set but is not a directory ($IDP_HOME)."
+        eprintf "Please check your profile scripts and environment."
+        return 1
+    fi
+    return 0
+}
+
+parse_os_info() {
+    case "$(uname)" in
+        Linux)
+            echo "x86_64-unknown-linux-gnu"
+            ;;
+        Darwin)
+            if [[ "$(uname -m)" == "arm64" ]]; then
+                echo "aarch64-apple-darwin"
+            else
+                echo "x86_64-apple-darwin"
+            fi
+            ;;
+        *)
+            error "$(uname) is not supported"
+            exit 1
+    esac
+}
+
+parse_os_pretty() {
+    local uname_str="$1"
+
+    case "$uname_str" in
+        Linux)
+            echo "Linux"
+            ;;
+        Darwin)
+            echo "macOS"
+            ;;
+        *)
+            echo "$uname_str"
+    esac
+}
+
+download_executable_from_backstage() {
+    local os_info="$1"
+    local tmpdir="$2"
+
+    local filename="my-idp-$os_info"
+    local download_file="$tmpdir/$filename"
+    local archive_url="$(download_url)/$filename"
+    curl --progress-bar --show-error --location "$archive_url" --output "$download_file" --write-out '%{filename_effective}'
+}
+
+download_executable() {
+    local uname_str="$(uname -s)"
+    local os_info="$(parse_os_info)"
+    local pretty_os_name="$(parse_os_pretty `uname`)"
+
+    info 'Fetching' "archive for $pretty_os_name"
+    # store the downloaded archive in a temporary directory
+    local download_dir="$(mktemp -d)"
+    download_executable_from_backstage "$os_info" "$download_dir"
+}
+
+create_tree() {
+    local install_dir="$1"
+
+    info 'Creating' "directory layout"
+
+    # .idp/
+    #     bin/
+
+    mkdir -p "$install_dir" && mkdir -p "$install_dir"/bin
+    if [ "$?" != 0 ]
+    then
+        error "Could not create directory layout. Please make sure the target directory is writeable: $install_dir"
+        exit 1
+    fi
+}
+
+install_from_file() {
+    local binfile="$1"
+    local install_dir="$2"
+
+    create_tree "$install_dir"
+
+    info 'Extracting' "IDP binaries"
+    # extract the files to the specified directory
+    cp -c "$binfile" "$install_dir"/bin/idp
+}
+
+install_remote() {
+    local install_dir="$1"
+
+    info 'Checking' "for existing IDP installation"
+
+    download_archive="$(download_executable; exit "$?")"
+    exit_status="$?"
+    if [ "$exit_status" != 0 ]
+    then
+        error "Could not download IDP executable. See $(executables_url) for a list of available executables"
+        return "$exit_status"
+    fi
+
+    install_from_file "$download_archive" "$install_dir"
+
+}
+
+install() {
+  local install_dir="$1"
+  local should_run_setup="$2"
+
+  if ! idp_home_is_ok; then
+    exit 1
+  fi
+
+  if [ -e "$install_dir/bin/idp" ]; then
+      info "Upgrade" "new executable will overwrite existing version"
+  fi
+
+  install_remote "$install_dir"
+
+  if [ "$?" == 0 ]
+  then
+      if [ "$should_run_setup" == "true" ]; then
+        info 'Finished' "installation. Updating user profile settings."
+        #"$install_dir"/bin/idp setup
+      else
+        info 'Finished' "installation. No changes were made to user profile settings."
+      fi
+  fi
+}
+
+
+# return if sourced (for testing the functions above)
+return 0 2>/dev/null
+
+# default to running setup after installing
+should_run_setup="true"
+
+# install to IDP_HOME, defaulting to ~/.volta
+install_dir="${IDP_HOME:-"$HOME/.idp"}"
+
+# parse command line options
+while [ $# -gt 0 ]
+do
+  arg="$1"
+
+  case "$arg" in
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    --skip-setup)
+      shift # shift off the argument
+      should_run_setup="false"
+      ;;
+    *)
+      error "unknown option: '$arg'"
+      usage
+      exit 1
+      ;;
+  esac
+done
+
+install "$install_dir" "$should_run_setup"

plugins/platform-backend/src/service/router.ts

@@ -20,6 +20,7 @@ import express from 'express';
 import Router from 'express-promise-router';
 import { Logger } from 'winston';
 import { findOrCreateExecutables } from '../executables';
+import { readFile } from 'fs/promises';
 
 export interface RouterOptions {
   logger: Logger;
@@ -37,7 +38,7 @@ export async function createRouter(
     logger,
     distDir: 'dist-bin',
     baseURL: `${baseURL}/executables/dist`,
-    executableName: 'my-ldp',
+    executableName: 'my-idp',
     entrypoint: resolvePackagePath("@frontside/backstage-plugin-platform-backend", "cli", "main.ts"),
   })
 
@@ -49,6 +50,12 @@ export async function createRouter(
     response.send({ status: 'ok' });
   });
 
+  router.get('/install.sh', async (_, response) => {
+    response.setHeader('Content-Type', 'text/plain');
+    let installerBytes = await readFile(resolvePackagePath("@frontside/backstage-plugin-platform-backend", "cli", "install.sh"));
+    response.send(String(installerBytes));
+  });
+
   router.get('/executables', (_, response)=> {
     response.send(executables);
   });

plugins/platform/src/components/ExampleComponent/ExampleComponent.tsx

@@ -25,7 +25,7 @@ export const ExampleComponent = () => (
         <Grid item>
           <InfoCard title="Information card">
             <Typography variant="body1">
-              All content should be wrapped in a card like this.
+              curl -sSL http://localhost:7007/api/idp/install.sh | sh
             </Typography>
           </InfoCard>
         </Grid>