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#!/bin/bash
set -e
if [ -z "$AZP_URL" ]; then
echo 1>&2 "error: missing AZP_URL environment variable"
exit 1
fi
if [ -z "$AZP_TOKEN_FILE" ]; then
if [ -z "$AZP_TOKEN" ]; then
echo 1>&2 "error: missing AZP_TOKEN environment variable"
exit 1
fi
AZP_TOKEN_FILE=/azp/.token
echo -n $AZP_TOKEN > "$AZP_TOKEN_FILE"
fi
unset AZP_TOKEN
if [ -n "$AZP_WORK" ]; then
mkdir -p "$AZP_WORK"
fi
rm -rf /azp/agent
mkdir /azp/agent
cd /azp/agent
export AGENT_ALLOW_RUNASROOT="1"
cleanup() {
if [ -e config.sh ]; then
print_header "Cleanup. Removing Azure Pipelines agent..."
./config.sh remove --unattended \
--auth PAT \
--token $(cat "$AZP_TOKEN_FILE")
fi
}
print_header() {
lightcyan='\033[1;36m'
nocolor='\033[0m'
echo -e "${lightcyan}$1${nocolor}"
}
# Let the agent ignore the token env variables
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-arm")
if echo "$AZP_AGENT_RESPONSE" | jq . >/dev/null 2>&1; then
AZP_AGENTPACKAGE_URL=$(echo "$AZP_AGENT_RESPONSE" \
| jq -r '.value | map([.version.major,.version.minor,.version.patch,.downloadUrl]) | sort | .[length-1] | .[3]')
fi
if [ -z "$AZP_AGENTPACKAGE_URL" -o "$AZP_AGENTPACKAGE_URL" == "null" ]; then
echo 1>&2 "error: could not determine a matching Azure Pipelines agent - check that account '$AZP_URL' is correct and the token is valid for that account"
exit 1
fi
print_header "2. Downloading and installing Azure Pipelines agent..."
curl -LsS $AZP_AGENTPACKAGE_URL | tar -xz & wait $!
source ./env.sh
trap 'cleanup; exit 130' INT
trap 'cleanup; exit 143' TERM
print_header "3. Configuring Azure Pipelines agent..."
./config.sh --unattended \
--agent "${AZP_AGENT_NAME:-$(hostname)}" \
--url "$AZP_URL" \
--auth PAT \
--token $(cat "$AZP_TOKEN_FILE") \
--pool "${AZP_POOL:-Default}" \
--work "${AZP_WORK:-_work}" \
--replace \
--acceptTeeEula & wait $!
print_header "4. Running Azure Pipelines agent..."
# `exec` the node runtime so it's aware of TERM and INT signals
# AgentService.js understands how to handle agent self-update and restart
exec ./externals/node10/bin/node ./bin/AgentService.js interactive
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