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config-default.sh

config-default.sh 2.6 KB
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  1. #!/bin/bash
    2. 

  2. 

  3. # Copyright 2014 The Kubernetes Authors.
    4. 

  4. #
    5. 

  5. # Licensed under the Apache License, Version 2.0 (the "License");
    6. 

  6. # you may not use this file except in compliance with the License.
    7. 

  7. # You may obtain a copy of the License at
    8. 

  8. #
    9. 

  9. #     http://www.apache.org/licenses/LICENSE-2.0
    10. 

  10. #
    11. 

  11. # Unless required by applicable law or agreed to in writing, software
    12. 

  12. # distributed under the License is distributed on an "AS IS" BASIS,
    13. 

  13. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14. 

  14. # See the License for the specific language governing permissions and
    15. 

  15. # limitations under the License.
    16. 

  16. 

  17. ## Contains configuration values for interacting with the libvirt CoreOS cluster
    18. 

  18. 

  19. # Number of minions in the cluster
    20. 

  20. NUM_NODES=${NUM_NODES:-3}
    21. 

  21. export NUM_NODES
    22. 

  22. 

  23. # The IP of the master
    24. 

  24. export MASTER_IP="192.168.10.1"
    25. 

  25. 

  26. export INSTANCE_PREFIX=kubernetes
    27. 

  27. export MASTER_NAME="${INSTANCE_PREFIX}-master"
    28. 

  28. 

  29. # Map out the IPs, names and container subnets of each node
    30. 

  30. export NODE_IP_BASE="192.168.10."
    31. 

  31. NODE_CONTAINER_SUBNET_BASE="10.10"
    32. 

  32. MASTER_CONTAINER_NETMASK="255.255.255.0"
    33. 

  33. MASTER_CONTAINER_ADDR="${NODE_CONTAINER_SUBNET_BASE}.0.1"
    34. 

  34. MASTER_CONTAINER_SUBNET="${NODE_CONTAINER_SUBNET_BASE}.0.1/24"
    35. 

  35. CONTAINER_SUBNET="${NODE_CONTAINER_SUBNET_BASE}.0.0/16"
    36. 

  36. if [[ "$NUM_NODES" -gt 253 ]]; then
    37. 

  37.   echo "ERROR: Because of how IPs are allocated in ${BASH_SOURCE}, you cannot create more than 253 nodes"
    38. 

  38.   exit 1
    39. 

  39. fi
    40. 

  40. for ((i=0; i < NUM_NODES; i++)) do
    41. 

  41.   NODE_IPS[$i]="${NODE_IP_BASE}$((i+2))"
    42. 

  42.   NODE_NAMES[$i]="${INSTANCE_PREFIX}-node-$((i+1))"
    43. 

  43.   NODE_CONTAINER_SUBNETS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1/24"
    44. 

  44.   NODE_CONTAINER_ADDRS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1"
    45. 

  45.   NODE_CONTAINER_NETMASKS[$i]="255.255.255.0"
    46. 

  46. done
    47. 

  47. NODE_CONTAINER_SUBNETS[$NUM_NODES]=$MASTER_CONTAINER_SUBNET
    48. 

  48. 

  49. SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE:-10.11.0.0/16}"  # formerly PORTAL_NET
    50. 

  50. 

  51. 

  52. # Optional: Enable node logging.
    53. 

  53. ENABLE_NODE_LOGGING=false
    54. 

  54. LOGGING_DESTINATION=elasticsearch
    55. 

  55. 

  56. # Optional: Install cluster DNS.
    57. 

  57. ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"
    58. 

  58. DNS_SERVER_IP="${SERVICE_CLUSTER_IP_RANGE%.*}.254"
    59. 

  59. DNS_DOMAIN="cluster.local"
    60. 

  60. DNS_REPLICAS=1
    61. 

  61. 

  62. #Generate dns files
    63. 

  63. sed -f "${KUBE_ROOT}/cluster/addons/dns/transforms2sed.sed" < "${KUBE_ROOT}/cluster/addons/dns/skydns-rc.yaml.base" | sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forShellEval.sed"  > "${KUBE_ROOT}/cluster/libvirt-coreos/skydns-rc.yaml"
    64. 

  64. sed -f "${KUBE_ROOT}/cluster/addons/dns/transforms2sed.sed" < "${KUBE_ROOT}/cluster/addons/dns/skydns-svc.yaml.base" | sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forShellEval.sed"  > "${KUBE_ROOT}/cluster/libvirt-coreos/skydns-svc.yaml"
    65.