x/tatu
Code Issues Proposed changes

Cloud config checks some error conditions.

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This commit is contained in:
Pino de Candia 2018-01-22 10:15:23 -06:00
parent a061c474c2
commit 4147c298b7
1 changed files with 27 additions and 8 deletions
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35
files/user-cloud-config2
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@ -12,11 +12,19 @@ write_files:
# Purpose: Fetch a SSH host cert from Tatu and configure SSH to use certs.
metadata=$(cat /mnt/config/openstack/latest/meta_data.json)
auth_id=$(echo $metadata | grep -Po 'project_id": "\K[^"]*')
if [ -z $auth_id ]; then
echo Failed to extract the project ID from metadata
exit 1
fi
echo auth_id=$auth_id
host_id=$(echo $metadata | grep -Po 'uuid": "\K[^"]*')
echo host_id=$host_id
vendordata=$(cat /mnt/config/openstack/latest/vendor_data2.json)
token=$(echo $vendordata | grep -Po 'token": "\K[^"]*')
if [ -z $token ]; then
echo Failed to extract the Tatu token ID from vendordata
exit 1
fi
echo token=$token
ca_user=$(echo $vendordata | grep -Po 'auth_pub_key_user": "\K[^"]*')
echo ca_user=$ca_user
@ -27,25 +35,30 @@ write_files:
echo host public key is $host_pub_key
data=$(echo {\"token_id\": \"$token\", \"host_id\": \"$host_id\", \"key.pub\": \"$host_pub_key\"})
echo $data > /tmp/tatu_cert_request.json
url=http://172.24.4.1:18322/noauth/hostcerts
url=http://169.254.169.254/noauth/hostcerts
echo url=$url
echo Posting Host Certificate request to Tatu API
response=$(curl -d "@/tmp/tatu_cert_request.json" -X POST $url)
response=$(curl -s -w "%{http_code}" -d "@/tmp/tatu_cert_request.json" -X POST $url)
code=${response##*\}}
if [ "$code" != "200" ]; then
echo Curl to Tatu API failed with code $code
exit 1
fi
echo Tatu response is $response
cert=$(echo $metadata | grep -Po 'key-cert.pub": "\K[^"]*')
cert=$(echo $response | grep -Po 'key-cert.pub": "\K[^"]*')
cert=${cert%%\\n} # TODO: fix the trailing \n on the server side.
echo $cert > /etc/ssh/ssh_host_rsa_key-cert.pub
mkdir -p /etc/ssh/ssh_host_rsa_key-cert.pub
mkdir -p /etc/ssh/auth_principals
principals_file=/etc/ssh/auth_principals/root
> $principals_file
for i in ${principals//,/ }
do
echo $i >> $principals_file
echo $i >> $principals_file
done
> /etc/ssh/revoked-keys
sed -i -e '$aTrustedUserCAKeys /etc/ssh/ca_user.pub' /etc/ssh/sshd_config
sed -i -e '$aAuthorizedPrincipalsFile /etc/ssh/auth_principals/%u' /etc/ssh/sshd_config
sed -i -e '$aHostCertificate /etc/ssh/ssh_host_rsa_key-cert.pub' /etc/ssh/sshd_config
> /etc/ssh/revoked-keys
sed -i -e '$aRevokedKeys /etc/ssh/revoked-keys' /etc/ssh/sshd_config
systemctl restart sshd
- path: /root/tatu-manage-revoked-keys.sh
@ -60,8 +73,14 @@ write_files:
metadata=$(cat /mnt/config/openstack/latest/meta_data.json)
auth_id=$(echo $metadata | grep -Po 'project_id": "\K[^"]*')
echo auth_id=$auth_id
url=http://172.24.4.1:18322/noauth/revokeduserkeys/$auth_id
response=$(curl $url)
url=http://169.254.169.254/noauth/revokeduserkeys/$auth_id
echo url=$url
response=$(curl -s -w "%{http_code}" $url)
code=${response##*\}}
if [ "$code" != "200" ]; then
echo Curl to Tatu API failed with code $code
exit 1
fi
echo Tatu response is $response
b64revoked=$(echo $response | grep -Po 'revoked_keys_data": "\K[^"]*')
echo $b64revoked | base64 -d > /etc/ssh/revoked-keys