openstack/tripleo-heat-templates
Code Issues Proposed changes

SSH known_hosts config

Browse Source 
Fetch the host public keys from each node, combine them all and write to the
system-wide ssh known hosts. The alternative of disabling host key
 verification is vulnerable to a MITM attack.

Change-Id: Ib572b5910720b1991812256e68c975f7fbe2239c
This commit is contained in:
Oliver Walsh 2017-03-24 14:35:09 +00:00
parent 8716d9f769
commit 7d3552a105
11 changed files with 324 additions and 1 deletions
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42
extraconfig/tasks/ssh/host_public_key.yaml Normal file
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@ -0,0 +1,42 @@
heat_template_version: ocata
description: >
This is a template which will fetch the ssh host public key.
parameters:
server:
description: ID of the node to apply this config to
type: string
resources:
SshHostPubKeyConfig:
type: OS::Heat::SoftwareConfig
properties:
group: script
outputs:
- name: rsa
- name: ecdsa
- name: ed25519
config: |
#!/bin/sh -x
test -e '/etc/ssh/ssh_host_rsa_key.pub' && cat /etc/ssh/ssh_host_rsa_key.pub > $heat_outputs_path.rsa
test -e '/etc/ssh/ssh_host_ecdsa_key.pub' && cat /etc/ssh/ssh_host_ecdsa_key.pub > $heat_outputs_path.ecdsa
test -e '/etc/ssh/ssh_host_ed25519_key.pub' && cat /etc/ssh/ssh_host_ed25519_key.pub > $heat_outputs_path.ed25519
SshHostPubKeyDeployment:
type: OS::Heat::SoftwareDeployment
properties:
config: {get_resource: SshHostPubKeyConfig}
server: {get_param: server}
outputs:
ecdsa:
description: Host ssh public key (ecdsa)
value: {get_attr: [SshHostPubKeyDeployment, ecdsa]}
rsa:
description: Host ssh public key (rsa)
value: {get_attr: [SshHostPubKeyDeployment, rsa]}
ed25519:
description: Host ssh public key (ed25519)
value: {get_attr: [SshHostPubKeyDeployment, ed25519]}

36
extraconfig/tasks/ssh/known_hosts_config.yaml Normal file
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@ -0,0 +1,36 @@
heat_template_version: ocata
description: 'SSH Known Hosts Config'
parameters:
known_hosts:
type: string
resources:
SSHKnownHostsConfig:
type: OS::Heat::SoftwareConfig
properties:
group: script
inputs:
- name: known_hosts
default: {get_param: known_hosts}
config: |
#!/bin/bash
set -eux
set -o pipefail
echo "Creating ssh known hosts file"
if [ ! -z "${known_hosts}" ]; then
echo "${known_hosts}"
echo -ne "${known_hosts}" > /etc/ssh/ssh_known_hosts
chmod 0644 /etc/ssh/ssh_known_hosts
else
rm -f /etc/ssh/ssh_known_hosts
echo "No ssh known hosts"
fi
outputs:
OS::stack_id:
description: The SSHKnownHostsConfig resource.
value: {get_resource: SSHKnownHostsConfig}

2
overcloud-resource-registry-puppet.j2.yaml
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@ -5,6 +5,8 @@ resource_registry:
OS::TripleO::PostUpgradeSteps: puppet/post-upgrade.yaml
OS::TripleO::AllNodes::SoftwareConfig: puppet/all-nodes-config.yaml
OS::TripleO::Hosts::SoftwareConfig: hosts-config.yaml
OS::TripleO::Ssh::HostPubKey: extraconfig/tasks/ssh/host_public_key.yaml
OS::TripleO::Ssh::KnownHostsConfig: extraconfig/tasks/ssh/known_hosts_config.yaml
OS::TripleO::DefaultPasswords: default_passwords.yaml
# Tasks (for internal TripleO usage)

17
overcloud.j2.yaml
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@ -249,6 +249,16 @@ resources:
type: json
value: {get_attr: [EndpointMap, endpoint_map]}
SshKnownHostsConfig:
type: OS::TripleO::Ssh::KnownHostsConfig
properties:
known_hosts:
list_join:
- ''
{% for role in roles %}
- {get_attr: [{{role.name}}, known_hosts_entry]}
{% endfor %}
# Jinja loop for Role in roles_data.yaml
{% for role in roles %}
# Resources generated for {{role.name}} Role
@ -280,6 +290,13 @@ resources:
config: {get_attr: [hostsConfig, config_id]}
servers: {get_attr: [{{role.name}}, attributes, nova_server_resource]}
{{role.name}}SshKnownHostsDeployment:
type: OS::Heat::StructuredDeployments
properties:
name: {{role.name}}SshKnownHostsDeployment
config: {get_resource: SshKnownHostsConfig}
servers: {get_attr: [{{role.name}}, attributes, nova_server_resource]}
{{role.name}}AllNodesDeployment:
type: OS::Heat::StructuredDeployments
depends_on:

37
puppet/blockstorage-role.yaml
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@ -457,6 +457,12 @@ resources:
update_identifier:
get_param: UpdateIdentifier
SshHostPubKey:
type: OS::TripleO::Ssh::HostPubKey
depends_on: BlockStorageDeployment
properties:
server: {get_resource: BlockStorage}
outputs:
ip_address:
description: IP address of the server in the ctlplane network
@ -504,6 +510,37 @@ outputs:
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [BlockStorage, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
known_hosts_entry:
description: Entry for ssh known hosts
value:
str_replace:
template: "PRIMARYIP,PRIMARYHOST.DOMAIN,PRIMARYHOST,\
EXTERNALIP,EXTERNALHOST.DOMAIN,EXTERNALHOST,\
INTERNAL_APIIP,INTERNAL_APIHOST.DOMAIN,INTERNAL_APIHOST,\
STORAGEIP,STORAGEHOST.DOMAIN,STORAGEHOST,\
STORAGE_MGMTIP,STORAGE_MGMTHOST.DOMAIN,STORAGE_MGMTHOST,\
TENANTIP,TENANTHOST.DOMAIN,TENANTHOST,\
MANAGEMENTIP,MANAGEMENTHOST.DOMAIN,MANAGEMENTHOST,\
CTLPLANEIP,CTLPLANEHOST.DOMAIN,CTLPLANEHOST HOSTSSHPUBKEY"
params:
PRIMARYIP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, BlockStorageHostnameResolveNetwork]}]}
DOMAIN: {get_param: CloudDomain}
PRIMARYHOST: {get_attr: [BlockStorage, name]}
EXTERNALIP: {get_attr: [ExternalPort, ip_address]}
EXTERNALHOST: {get_attr: [NetHostMap, value, external, short]}
INTERNAL_APIIP: {get_attr: [InternalApiPort, ip_address]}
INTERNAL_APIHOST: {get_attr: [NetHostMap, value, internal_api, short]}
STORAGEIP: {get_attr: [StoragePort, ip_address]}
STORAGEHOST: {get_attr: [NetHostMap, value, storage, short]}
STORAGE_MGMTIP: {get_attr: [StorageMgmtPort, ip_address]}
STORAGE_MGMTHOST: {get_attr: [NetHostMap, value, storage_mgmt, short]}
TENANTIP: {get_attr: [TenantPort, ip_address]}
TENANTHOST: {get_attr: [NetHostMap, value, tenant, short]}
MANAGEMENTIP: {get_attr: [ManagementPort, ip_address]}
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [BlockStorage, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
HOSTSSHPUBKEY: {get_attr: [SshHostPubKey, ecdsa]}
nova_server_resource:
description: Heat resource handle for the block storage server
value:

37
puppet/cephstorage-role.yaml
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@ -468,6 +468,12 @@ resources:
update_identifier:
get_param: UpdateIdentifier
SshHostPubKey:
type: OS::TripleO::Ssh::HostPubKey
depends_on: CephStorageDeployment
properties:
server: {get_resource: CephStorage}
outputs:
ip_address:
description: IP address of the server in the ctlplane network
@ -515,6 +521,37 @@ outputs:
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [CephStorage, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
known_hosts_entry:
description: Entry for ssh known hosts
value:
str_replace:
template: "PRIMARYIP,PRIMARYHOST.DOMAIN,PRIMARYHOST,\
EXTERNALIP,EXTERNALHOST.DOMAIN,EXTERNALHOST,\
INTERNAL_APIIP,INTERNAL_APIHOST.DOMAIN,INTERNAL_APIHOST,\
STORAGEIP,STORAGEHOST.DOMAIN,STORAGEHOST,\
STORAGE_MGMTIP,STORAGE_MGMTHOST.DOMAIN,STORAGE_MGMTHOST,\
TENANTIP,TENANTHOST.DOMAIN,TENANTHOST,\
MANAGEMENTIP,MANAGEMENTHOST.DOMAIN,MANAGEMENTHOST,\
CTLPLANEIP,CTLPLANEHOST.DOMAIN,CTLPLANEHOST HOSTSSHPUBKEY"
params:
PRIMARYIP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, CephStorageHostnameResolveNetwork]}]}
DOMAIN: {get_param: CloudDomain}
PRIMARYHOST: {get_attr: [CephStorage, name]}
EXTERNALIP: {get_attr: [ExternalPort, ip_address]}
EXTERNALHOST: {get_attr: [NetHostMap, value, external, short]}
INTERNAL_APIIP: {get_attr: [InternalApiPort, ip_address]}
INTERNAL_APIHOST: {get_attr: [NetHostMap, value, internal_api, short]}
STORAGEIP: {get_attr: [StoragePort, ip_address]}
STORAGEHOST: {get_attr: [NetHostMap, value, storage, short]}
STORAGE_MGMTIP: {get_attr: [StorageMgmtPort, ip_address]}
STORAGE_MGMTHOST: {get_attr: [NetHostMap, value, storage_mgmt, short]}
TENANTIP: {get_attr: [TenantPort, ip_address]}
TENANTHOST: {get_attr: [NetHostMap, value, tenant, short]}
MANAGEMENTIP: {get_attr: [ManagementPort, ip_address]}
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [CephStorage, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
HOSTSSHPUBKEY: {get_attr: [SshHostPubKey, ecdsa]}
nova_server_resource:
description: Heat resource handle for the ceph storage server
value:

39
puppet/compute-role.yaml
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@ -492,6 +492,12 @@ resources:
update_identifier:
get_param: UpdateIdentifier
SshHostPubKey:
type: OS::TripleO::Ssh::HostPubKey
depends_on: NovaComputeDeployment
properties:
server: {get_resource: NovaCompute}
outputs:
ip_address:
description: IP address of the server in the ctlplane network
@ -559,7 +565,38 @@ outputs:
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [NovaCompute, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
known_hosts_entry:
description: Entry for ssh known hosts
value:
str_replace:
template: "PRIMARYIP,PRIMARYHOST.DOMAIN,PRIMARYHOST,\
EXTERNALIP,EXTERNALHOST.DOMAIN,EXTERNALHOST,\
INTERNAL_APIIP,INTERNAL_APIHOST.DOMAIN,INTERNAL_APIHOST,\
STORAGEIP,STORAGEHOST.DOMAIN,STORAGEHOST,\
STORAGE_MGMTIP,STORAGE_MGMTHOST.DOMAIN,STORAGE_MGMTHOST,\
TENANTIP,TENANTHOST.DOMAIN,TENANTHOST,\
MANAGEMENTIP,MANAGEMENTHOST.DOMAIN,MANAGEMENTHOST,\
CTLPLANEIP,CTLPLANEHOST.DOMAIN,CTLPLANEHOST HOSTSSHPUBKEY"
params:
PRIMARYIP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, ComputeHostnameResolveNetwork]}]}
DOMAIN: {get_param: CloudDomain}
PRIMARYHOST: {get_attr: [NovaCompute, name]}
EXTERNALIP: {get_attr: [ExternalPort, ip_address]}
EXTERNALHOST: {get_attr: [NetHostMap, value, external, short]}
INTERNAL_APIIP: {get_attr: [InternalApiPort, ip_address]}
INTERNAL_APIHOST: {get_attr: [NetHostMap, value, internal_api, short]}
STORAGEIP: {get_attr: [StoragePort, ip_address]}
STORAGEHOST: {get_attr: [NetHostMap, value, storage, short]}
STORAGE_MGMTIP: {get_attr: [StorageMgmtPort, ip_address]}
STORAGE_MGMTHOST: {get_attr: [NetHostMap, value, storage_mgmt, short]}
TENANTIP: {get_attr: [TenantPort, ip_address]}
TENANTHOST: {get_attr: [NetHostMap, value, tenant, short]}
MANAGEMENTIP: {get_attr: [ManagementPort, ip_address]}
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [NovaCompute, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
HOSTSSHPUBKEY: {get_attr: [SshHostPubKey, ecdsa]}
nova_server_resource:
description: Heat resource handle for the Nova compute server
value:
{get_resource: NovaCompute}
{get_resource: NovaCompute}

37
puppet/controller-role.yaml
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@ -532,6 +532,12 @@ resources:
update_identifier:
get_param: UpdateIdentifier
SshHostPubKey:
type: OS::TripleO::Ssh::HostPubKey
depends_on: ControllerDeployment
properties:
server: {get_resource: Controller}
outputs:
ip_address:
description: IP address of the server in the ctlplane network
@ -599,6 +605,37 @@ outputs:
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [Controller, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
known_hosts_entry:
description: Entry for ssh known hosts
value:
str_replace:
template: "PRIMARYIP,PRIMARYHOST.DOMAIN,PRIMARYHOST,\
EXTERNALIP,EXTERNALHOST.DOMAIN,EXTERNALHOST,\
INTERNAL_APIIP,INTERNAL_APIHOST.DOMAIN,INTERNAL_APIHOST,\
STORAGEIP,STORAGEHOST.DOMAIN,STORAGEHOST,\
STORAGE_MGMTIP,STORAGE_MGMTHOST.DOMAIN,STORAGE_MGMTHOST,\
TENANTIP,TENANTHOST.DOMAIN,TENANTHOST,\
MANAGEMENTIP,MANAGEMENTHOST.DOMAIN,MANAGEMENTHOST,\
CTLPLANEIP,CTLPLANEHOST.DOMAIN,CTLPLANEHOST HOSTSSHPUBKEY"
params:
PRIMARYIP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, ControllerHostnameResolveNetwork]}]}
DOMAIN: {get_param: CloudDomain}
PRIMARYHOST: {get_attr: [Controller, name]}
EXTERNALIP: {get_attr: [ExternalPort, ip_address]}
EXTERNALHOST: {get_attr: [NetHostMap, value, external, short]}
INTERNAL_APIIP: {get_attr: [InternalApiPort, ip_address]}
INTERNAL_APIHOST: {get_attr: [NetHostMap, value, internal_api, short]}
STORAGEIP: {get_attr: [StoragePort, ip_address]}
STORAGEHOST: {get_attr: [NetHostMap, value, storage, short]}
STORAGE_MGMTIP: {get_attr: [StorageMgmtPort, ip_address]}
STORAGE_MGMTHOST: {get_attr: [NetHostMap, value, storage_mgmt, short]}
TENANTIP: {get_attr: [TenantPort, ip_address]}
TENANTHOST: {get_attr: [NetHostMap, value, tenant, short]}
MANAGEMENTIP: {get_attr: [ManagementPort, ip_address]}
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [Controller, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
HOSTSSHPUBKEY: {get_attr: [SshHostPubKey, ecdsa]}
nova_server_resource:
description: Heat resource handle for the Nova compute server
value:

37
puppet/objectstorage-role.yaml
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@ -455,6 +455,12 @@ resources:
update_identifier:
get_param: UpdateIdentifier
SshHostPubKey:
type: OS::TripleO::Ssh::HostPubKey
depends_on: SwiftStorageHieraDeploy
properties:
server: {get_resource: SwiftStorage}
outputs:
ip_address:
description: IP address of the server in the ctlplane network
@ -502,6 +508,37 @@ outputs:
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [SwiftStorage, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
known_hosts_entry:
description: Entry for ssh known hosts
value:
str_replace:
template: "PRIMARYIP,PRIMARYHOST.DOMAIN,PRIMARYHOST,\
EXTERNALIP,EXTERNALHOST.DOMAIN,EXTERNALHOST,\
INTERNAL_APIIP,INTERNAL_APIHOST.DOMAIN,INTERNAL_APIHOST,\
STORAGEIP,STORAGEHOST.DOMAIN,STORAGEHOST,\
STORAGE_MGMTIP,STORAGE_MGMTHOST.DOMAIN,STORAGE_MGMTHOST,\
TENANTIP,TENANTHOST.DOMAIN,TENANTHOST,\
MANAGEMENTIP,MANAGEMENTHOST.DOMAIN,MANAGEMENTHOST,\
CTLPLANEIP,CTLPLANEHOST.DOMAIN,CTLPLANEHOST HOSTSSHPUBKEY"
params:
PRIMARYIP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, ObjectStorageHostnameResolveNetwork]}]}
DOMAIN: {get_param: CloudDomain}
PRIMARYHOST: {get_attr: [SwiftStorage, name]}
EXTERNALIP: {get_attr: [ExternalPort, ip_address]}
EXTERNALHOST: {get_attr: [NetHostMap, value, external, short]}
INTERNAL_APIIP: {get_attr: [InternalApiPort, ip_address]}
INTERNAL_APIHOST: {get_attr: [NetHostMap, value, internal_api, short]}
STORAGEIP: {get_attr: [StoragePort, ip_address]}
STORAGEHOST: {get_attr: [NetHostMap, value, storage, short]}
STORAGE_MGMTIP: {get_attr: [StorageMgmtPort, ip_address]}
STORAGE_MGMTHOST: {get_attr: [NetHostMap, value, storage_mgmt, short]}
TENANTIP: {get_attr: [TenantPort, ip_address]}
TENANTHOST: {get_attr: [NetHostMap, value, tenant, short]}
MANAGEMENTIP: {get_attr: [ManagementPort, ip_address]}
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [SwiftStorage, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
HOSTSSHPUBKEY: {get_attr: [SshHostPubKey, ecdsa]}
nova_server_resource:
description: Heat resource handle for the swift storage server
value:

37
puppet/role.role.j2.yaml
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@ -489,6 +489,12 @@ resources:
update_identifier:
get_param: UpdateIdentifier
SshHostPubKey:
type: OS::TripleO::Ssh::HostPubKey
depends_on: {{role}}Deployment
properties:
server: {get_resource: {{role}}}
outputs:
ip_address:
description: IP address of the server in the ctlplane network
@ -536,6 +542,37 @@ outputs:
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [{{role}}, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
known_hosts_entry:
description: Entry for ssh known hosts
value:
str_replace:
template: "PRIMARYIP,PRIMARYHOST.DOMAIN,PRIMARYHOST,\
EXTERNALIP,EXTERNALHOST.DOMAIN,EXTERNALHOST,\
INTERNAL_APIIP,INTERNAL_APIHOST.DOMAIN,INTERNAL_APIHOST,\
STORAGEIP,STORAGEHOST.DOMAIN,STORAGEHOST,\
STORAGE_MGMTIP,STORAGE_MGMTHOST.DOMAIN,STORAGE_MGMTHOST,\
TENANTIP,TENANTHOST.DOMAIN,TENANTHOST,\
MANAGEMENTIP,MANAGEMENTHOST.DOMAIN,MANAGEMENTHOST,\
CTLPLANEIP,CTLPLANEHOST.DOMAIN,CTLPLANEHOST HOSTSSHPUBKEY"
params:
PRIMARYIP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, {{role}}HostnameResolveNetwork]}]}
DOMAIN: {get_param: CloudDomain}
PRIMARYHOST: {get_attr: [{{role}}, name]}
EXTERNALIP: {get_attr: [ExternalPort, ip_address]}
EXTERNALHOST: {get_attr: [NetHostMap, value, external, short]}
INTERNAL_APIIP: {get_attr: [InternalApiPort, ip_address]}
INTERNAL_APIHOST: {get_attr: [NetHostMap, value, internal_api, short]}
STORAGEIP: {get_attr: [StoragePort, ip_address]}
STORAGEHOST: {get_attr: [NetHostMap, value, storage, short]}
STORAGE_MGMTIP: {get_attr: [StorageMgmtPort, ip_address]}
STORAGE_MGMTHOST: {get_attr: [NetHostMap, value, storage_mgmt, short]}
TENANTIP: {get_attr: [TenantPort, ip_address]}
TENANTHOST: {get_attr: [NetHostMap, value, tenant, short]}
MANAGEMENTIP: {get_attr: [ManagementPort, ip_address]}
MANAGEMENTHOST: {get_attr: [NetHostMap, value, management, short]}
CTLPLANEIP: {get_attr: [{{role}}, networks, ctlplane, 0]}
CTLPLANEHOST: {get_attr: [NetHostMap, value, ctlplane, short]}
HOSTSSHPUBKEY: {get_attr: [SshHostPubKey, ecdsa]}
nova_server_resource:
description: Heat resource handle for {{role}} server
value:

4
releasenotes/notes/ssh_known_hosts-287563590632d1aa.yaml Normal file
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@ -0,0 +1,4 @@
---
features:
- SSH host key exchange. The ssh host keys are collected from each host,
combined, and written to /etc/ssh/ssh_known_hosts.