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03_firewall.py
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def GenerateConfig(context):
resources = [{
'name': context.properties['infra_id'] + '-bootstrap-in-ssh',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'tcp',
'ports': ['22']
}],
'sourceRanges': [context.properties['allowed_external_cidr']],
'targetTags': [context.properties['infra_id'] + '-bootstrap']
}
}, {
'name': context.properties['infra_id'] + '-api',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'tcp',
'ports': ['6443']
}],
'sourceRanges': [context.properties['allowed_external_cidr']],
'targetTags': [context.properties['infra_id'] + '-master']
}
}, {
'name': context.properties['infra_id'] + '-health-checks',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'tcp',
'ports': ['6080', '6443', '22624']
}],
'sourceRanges': ['35.191.0.0/16', '130.211.0.0/22', '209.85.152.0/22', '209.85.204.0/22'],
'targetTags': [context.properties['infra_id'] + '-master']
}
}, {
'name': context.properties['infra_id'] + '-etcd',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'tcp',
'ports': ['2379-2380']
}],
'sourceTags': [context.properties['infra_id'] + '-master'],
'targetTags': [context.properties['infra_id'] + '-master']
}
}, {
'name': context.properties['infra_id'] + '-control-plane',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'tcp',
'ports': ['10257']
},{
'IPProtocol': 'tcp',
'ports': ['10259']
},{
'IPProtocol': 'tcp',
'ports': ['22623']
}],
'sourceTags': [
context.properties['infra_id'] + '-master',
context.properties['infra_id'] + '-worker'
],
'targetTags': [context.properties['infra_id'] + '-master']
}
}, {
'name': context.properties['infra_id'] + '-internal-network',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'icmp'
},{
'IPProtocol': 'tcp',
'ports': ['22']
}],
'sourceRanges': [context.properties['network_cidr']],
'targetTags': [
context.properties['infra_id'] + '-master',
context.properties['infra_id'] + '-worker'
]
}
}, {
'name': context.properties['infra_id'] + '-internal-cluster',
'type': 'compute.v1.firewall',
'properties': {
'network': context.properties['cluster_network'],
'allowed': [{
'IPProtocol': 'udp',
'ports': ['4789', '6081']
},{
'IPProtocol': 'tcp',
'ports': ['9000-9999']
},{
'IPProtocol': 'udp',
'ports': ['9000-9999']
},{
'IPProtocol': 'tcp',
'ports': ['10250']
},{
'IPProtocol': 'tcp',
'ports': ['30000-32767']
},{
'IPProtocol': 'udp',
'ports': ['30000-32767']
}],
'sourceTags': [
context.properties['infra_id'] + '-master',
context.properties['infra_id'] + '-worker'
],
'targetTags': [
context.properties['infra_id'] + '-master',
context.properties['infra_id'] + '-worker'
]
}
}]
return {'resources': resources}