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Download latest release for install script

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Check for latest release of k3s or pass a desired version as an
argument. Adds curl as a requirement and early exits if not available.
Fixes silent abort when wget is not available and `which` returns
non-zero exit code.
This commit is contained in:
Erik Wilson 2019-03-01 11:01:43 -07:00 committed by Darren Shepherd
parent af9ea1d65e
commit a7640cfb90
1 changed files with 18 additions and 13 deletions
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31
install.sh
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@ -1,8 +1,6 @@
#!/bin/sh
set -e
VERSION=v0.1.0
info()
{
echo "[INFO] " "$@"
@ -14,6 +12,18 @@ fatal()
exit 1
}
if [ -z `which curl || true` ]; then
fatal "Can not find curl for downloading files"
fi
if [ -n "$1" ]; then
VERSION=$1
else
info "Finding latest release"
VERSION=`curl -w "%{url_effective}" -I -L -s -S https://github.com/rancher/k3s/releases/latest -o /dev/null | sed -e 's|.*/||'`
fi
info "Using $VERSION as release"
ARCH=`uname -m`
case $ARCH in
@ -87,19 +97,14 @@ EOF
$SUDO chown root:root $TMPUNINSTALL
$SUDO mv -f $TMPUNINSTALL /usr/local/bin/k3s-uninstall.sh
CURL=`which curl`
TMPHASH=`mktemp -t k3s-install.XXXXXXXXXX`
TMPBIN=`mktemp -t k3s-install.XXXXXXXXXX`
if [ -n "$CURL" ]; then
TMPHASH=`mktemp -t k3s-install.XXXXXXXXXX`
TMPBIN=`mktemp -t k3s-install.XXXXXXXXXX`
info Downloading $HASHURL
$CURL -o $TMPHASH -sfL $HASHURL
info Downloading $BINURL
$CURL -o $TMPBIN -sfL $BINURL
fi
info Downloading $HASHURL
curl -o $TMPHASH -sfL $HASHURL
info Downloading $BINURL
curl -o $TMPBIN -sfL $BINURL
info Verifying download
EXPECTED=`grep k3s $TMPHASH | awk '{print $1}'`