Update

containers/alpine/start.sh

@@ -1,33 +1,6 @@
-#!/usr/bin/env bash
-
+#!/bin/bash
 set -e
 
-print_header() {
-  local lightcyan='\033[1;36m'
-  local nocolor='\033[0m'
-  echo -e "${lightcyan}$1${nocolor}"
-}
-
-AZP_AGENT_NAME="azdo-agent-lnx-$(date +'%d%m%Y')-$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c10)"
-
-USER="microsoft"
-REPO="azure-pipelines-agent"
-OS="linux-musl"
-ARCH="x64"
-PACKAGE="tar.gz"
-
-if [ "$(command -v jq)" ] && [ "$(command -v curl)" ] && [ "$(command -v sed)" ]; then
-  print_header "0. Checking jq, curl and sed are installed..."
-
-else
-  echo "You do not have the needed packages to run the script, please install them" && exit 1
-
-fi
-
-azdoLatestAgentVersion="$(curl --silent "https://api.github.com/repos/${USER}/${REPO}/releases/latest" | jq -r .tag_name)" &&
-  strippedTagAzDoAgentVersion="${azdoLatestAgentVersion//v/}" &&
-  AZP_AGENTPACKAGE_URL="https://vstsagentpackage.azureedge.net/agent/${strippedTagAzDoAgentVersion}/vsts-agent-${OS}-${ARCH}-${strippedTagAzDoAgentVersion}.${PACKAGE}"
-
 if [ -z "${AZP_URL}" ]; then
   echo 1>&2 "error: missing AZP_URL environment variable"
   exit 1
@@ -39,8 +12,8 @@ if [ -z "${AZP_TOKEN_FILE}" ]; then
     exit 1
   fi
 
-  AZP_TOKEN_FILE="${AZP_DIRECTORY}/.token"
-  echo -n "${AZP_TOKEN}" >"${AZP_TOKEN_FILE}"
+  AZP_TOKEN_FILE="/azp/.token"
+  echo -n "${AZP_TOKEN}" > "${AZP_TOKEN_FILE}"
 fi
 
 unset AZP_TOKEN
@@ -49,71 +22,73 @@ if [ -n "${AZP_WORK}" ]; then
   mkdir -p "${AZP_WORK}"
 fi
 
-rm -rf "${AZP_DIRECTORY}/agent"
-mkdir "${AZP_DIRECTORY}/agent"
-cd "${AZP_DIRECTORY}/agent"
-
-export AGENT_ALLOW_RUNASROOT="1"
-
 cleanup() {
-  if [ -e config.sh ]; then
+  trap "" EXIT
+
+  if [ -e ./config.sh ]; then
     print_header "Cleanup. Removing Azure Pipelines agent..."
 
-    ./config.sh remove --unattended \
-      --auth PAT \
-      --token "$(cat "${AZP_TOKEN_FILE}")"
+    # If the agent has some running jobs, the configuration removal process will fail.
+    # So, give it some time to finish the job.
+    while true; do
+      ./config.sh remove --unattended --auth "PAT" --token $(cat "${AZP_TOKEN_FILE}") && break
+
+      echo "Retrying in 30 seconds..."
+      sleep 30
+    done
   fi
 }
 
+print_header() {
+  lightcyan="\033[1;36m"
+  nocolor="\033[0m"
+  echo -e "\n${lightcyan}$1${nocolor}\n"
+}
+
 # Let the agent ignore the token env variables
-export VSO_AGENT_IGNORE=AZP_TOKEN,AZP_TOKEN_FILE
+export VSO_AGENT_IGNORE="AZP_TOKEN,AZP_TOKEN_FILE"
 
 print_header "1. Determining matching Azure Pipelines agent..."
 
-AZP_AGENT_RESPONSE=$(curl -LsS \
-  -u user:"$(cat "${AZP_TOKEN_FILE}")" \
-  -H 'Accept:application/json;api-version=3.0-preview' \
-  "${AZP_URL}/_apis/distributedtask/packages/agent?platform=linux-x64")
+AZP_AGENT_PACKAGES=$(curl -LsS \
+    -u user:$(cat "${AZP_TOKEN_FILE}") \
+    -H "Accept:application/json;" \
+    "${AZP_URL}/_apis/distributedtask/packages/agent?platform=${TARGETARCH}&top=1")
 
-if echo "${AZP_AGENT_RESPONSE}" | jq . >/dev/null 2>&1; then
-  AZP_AGENTPACKAGE_URL="$(echo "${AZP_AGENT_RESPONSE}" |
-    jq -r '.value | map([.version.major,.version.minor,.version.patch,.downloadUrl]) | sort | .[length-1] | .[3]')"
-fi
+AZP_AGENT_PACKAGE_LATEST_URL=$(echo "${AZP_AGENT_PACKAGES}" | jq -r ".value[0].downloadUrl")
 
-if [ -z "${AZP_AGENTPACKAGE_URL}" ] || [ "${AZP_AGENTPACKAGE_URL}" == "null" ]; then
-  echo 1>&2 "error: could not determine a matching Azure Pipelines agent - check that account '$AZP_URL' is correct and the token is valid for that account"
+if [ -z "${AZP_AGENT_PACKAGE_LATEST_URL}" -o "${AZP_AGENT_PACKAGE_LATEST_URL}" == "null" ]; then
+  echo 1>&2 "error: could not determine a matching Azure Pipelines agent"
+  echo 1>&2 "check that account "${AZP_URL}" is correct and the token is valid for that account"
   exit 1
 fi
 
-print_header "2. Downloading and installing Azure Pipelines agent..."
-
-curl -LsS "${AZP_AGENTPACKAGE_URL}" | tar -xz &
-wait $!
+print_header "2. Downloading and extracting Azure Pipelines agent..."
 
-
-print_header "3. Sourcing env.sh"
+curl -LsS "${AZP_AGENT_PACKAGE_LATEST_URL}" | tar -xz & wait $!
 
 source ./env.sh
 
-print_header "4. Configuring Azure Pipelines agent..."
+trap "cleanup; exit 0" EXIT
+trap "cleanup; exit 130" INT
+trap "cleanup; exit 143" TERM
+
+print_header "3. Configuring Azure Pipelines agent..."
 
 ./config.sh --unattended \
   --agent "${AZP_AGENT_NAME:-$(hostname)}" \
   --url "${AZP_URL}" \
-  --auth PAT \
-  --token "$(cat "${AZP_TOKEN_FILE}")" \
-  --pool "${AZP_POOL}" \
+  --auth "PAT" \
+  --token $(cat "${AZP_TOKEN_FILE}") \
+  --pool "${AZP_POOL:-Default}" \
   --work "${AZP_WORK:-_work}" \
   --replace \
-  --acceptTeeEula &
-wait $!
+  --acceptTeeEula & wait $!
 
-print_header "5. Running Azure Pipelines agent..."
+print_header "4. Running Azure Pipelines agent..."
 
-trap 'cleanup; exit 130' INT
-trap 'cleanup; exit 143' TERM
+chmod +x ./run.sh
 
-# To be aware of TERM and INT signals call run.sh
+# To be aware of TERM and INT signals call ./run.sh
 # Running it with the --once flag at the end will shut down the agent after the build is executed
-./run.sh &
-wait $!
+./run.sh "$@" & wait $!