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fix: make agent scripts easier to troubleshoot (#2922)

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- Adds distinct exit statuses to the bootstrap scripts
- Makes the bootstrap scripts loop forever trying to download the coder agent
- Surfaces and logs the status codes returned by the download tool
This commit is contained in:
Cian Johnston
2022-07-13 10:17:40 +01:00
committed by GitHub
parent 6f34cbff1e
commit 0f5f30b6f6
5 changed files with 93 additions and 20 deletions
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47
provisionersdk/scripts/bootstrap_linux.sh
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@ -1,21 +1,48 @@
#!/usr/bin/env sh
set -eux pipefail
trap "echo === Agent script exited with non-zero code. Sleeping 24h to preserve logs... && sleep 86400" EXIT
# Sleep for a good long while before exiting.
# This is to allow folks to exec into a failed workspace and poke around to
# troubleshoot.
waitonexit() {
echo "=== Agent script exited with non-zero code. Sleeping 24h to preserve logs..."
sleep 86400
}
trap waitonexit EXIT
BINARY_DIR=$(mktemp -d -t coder.XXXXXX)
BINARY_NAME=coder
BINARY_URL=${ACCESS_URL}bin/coder-linux-${ARCH}
cd "$BINARY_DIR"
if command -v curl >/dev/null 2>&1; then
curl -fsSL --compressed "${BINARY_URL}" -o "${BINARY_NAME}"
elif command -v wget >/dev/null 2>&1; then
wget -q "${BINARY_URL}" -O "${BINARY_NAME}"
elif command -v busybox >/dev/null 2>&1; then
busybox wget -q "${BINARY_URL}" -O "${BINARY_NAME}"
else
echo "error: no download tool found, please install curl, wget or busybox wget"
# Attempt to download the coder agent.
# This could fail for a number of reasons, many of which are likely transient.
# So just keep trying!
while :; do
# Try a number of different download tools, as we don't know what we'll
# have available
status=""
if command -v curl >/dev/null 2>&1; then
curl -fsSL --compressed "${BINARY_URL}" -o "${BINARY_NAME}" && break
status=$?
elif command -v wget >/dev/null 2>&1; then
wget -q "${BINARY_URL}" -O "${BINARY_NAME}" && break
status=$?
elif command -v busybox >/dev/null 2>&1; then
busybox wget -q "${BINARY_URL}" -O "${BINARY_NAME}" && break
status=$?
else
echo "error: no download tool found, please install curl, wget or busybox wget"
exit 127
fi
echo "error: failed to download coder agent"
echo " command returned: ${status}"
echo "Trying again in 30 seconds..."
sleep 30
done
if ! chmod +x $BINARY_NAME; then
echo "Failed to make $BINARY_NAME executable"
exit 1
fi
chmod +x $BINARY_NAME
export CODER_AGENT_AUTH="${AUTH_TYPE}"
export CODER_AGENT_URL="${ACCESS_URL}"
exec ./$BINARY_NAME agent