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61 lines
1.9 KiB
Bash
61 lines
1.9 KiB
Bash
#!/bin/sh
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# This script will create environment variables for all of the output IPs. It
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# will also create a `ANSIBLE_INV` variable that will be a comma separated
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# string of all the IPs. A anisble inventory file called "inventory is created
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# as well.
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#
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# Use eval $(./get-vm-ips.sh) to set env vars for ips.
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terraform refresh > /dev/null
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# All terraform outputs in json format.
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OUTPUTS_JSON="$(
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terraform show -json | \
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jq '.values.outputs' | \
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sed 's/-/_/g')"
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# Just the IP address outputs in json format. Also all '-' characters are
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# replaced by '_' becuase '-' causes jq some problems.
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IPS_JSON="$(
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echo $OUTPUTS_JSON | \
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jq 'to_entries | .[] | select(.key | contains("ips"))')"
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# An array of all node "types"
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NODE_TYPE_ARRAY="$(
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echo $IPS_JSON | \
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jq '.value.value | to_entries | .[] | .key' | \
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sed 's/"//g' | \
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sed -z 's/\n/ /g;s/ $/\n/g')"
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# Loop over all the node types and create an export line for each IP.
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VM_IP_EXPORTS="$(
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for TYPE in $NODE_TYPE_ARRAY; do
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# Convert type, converts "master-ips" to "MASTER"
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TYPE_UPPER="$(echo ${TYPE^^} | sed s/_.*$//g)"
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echo "$IPS_JSON" | \
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jq '.value.value.'"$TYPE"'[]' | \
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# Add line numbers starting with 0.
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nl -v 0 | \
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# Print an export string with a type placeholder "__TYPE__".
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awk '{print "export __TYPE___" $1 "=" $2}' | \
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sed s/__TYPE__/$TYPE_UPPER/g
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done)"
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ANSIBLE_INV="$(
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echo "$VM_IP_EXPORTS" | \
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sed 's/"//g' | \
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sed 's/^.*=//g' | \
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sed -z 's/\n/,/g;s/,$/\n/g')"
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# Create an inventory file for ansible.
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echo "[k8s_nodes]" > inventory
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echo $VM_IP_EXPORTS | \
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sed 's/"//g' | \
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sed 's/export //g' | \
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sed 's/ /\n/g' | \
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sed 's/^\(.*\)\(=.*\)$/\1 ansible_host\2/g' \
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>> inventory
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echo $VM_IP_EXPORTS | sed 's/" /"\n/g'
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echo export ANSIBLE_INV=$ANSIBLE_INV
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