131 lines
3.4 KiB
Bash
Executable File
131 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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# NOTE: You still need to start the frontend bits of this application separately
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# as starting it here as a child process would leave leftover processes on
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# script termination; it appears there is some complication that does not allow
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# the shell to clean up nodejs grandchild processes correctly upon script exit.
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# Static bits:
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export APP_URL="${API_URL-http://localhost:8081}"
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export OPERATOR_API_URL="${OPERATOR_API_URL-http://localhost:8080}"
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export TARGET_NAMESPACE="${TARGET_NAMESPACE-*}"
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default_operator_ui_config='{
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"docs_link":"https://postgres-operator.readthedocs.io/en/latest/",
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"dns_format_string": "{0}.{1}",
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"databases_visible": true,
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"master_load_balancer_visible": true,
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"nat_gateways_visible": false,
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"replica_load_balancer_visible": true,
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"resources_visible": true,
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"users_visible": true,
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"cost_ebs": 0.0952,
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"cost_iops": 0.006,
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"cost_throughput": 0.0476,
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"cost_core": 0.0575,
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"cost_memory": 0.014375,
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"free_iops": 3000,
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"free_throughput": 125,
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"limit_iops": 16000,
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"limit_throughput": 1000,
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"postgresql_versions": [
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"16",
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"15",
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"14",
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"13",
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"12"
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],
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"static_network_whitelist": {
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"localhost": ["172.0.0.1/32"]
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}
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}'
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export OPERATOR_UI_CONFIG="${OPERATOR_UI_CONFIG-${default_operator_ui_config}}"
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# S3 backup bucket:
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export SPILO_S3_BACKUP_BUCKET="postgres-backup"
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# defines teams
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teams='["acid"]'
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export TEAMS="${TEAMS-${teams}}"
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# Kubernetes API URL (e.g. minikube):
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kubernetes_api_url="https://192.168.99.100:8443"
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# Enable job control:
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set -m
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# Clean up child processes on exit:
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trap 'kill $(jobs -p)' EXIT
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# PostgreSQL Operator UI application name as deployed:
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operator_ui_application='postgres-operator-ui'
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# Hijack the PostgreSQL Operator UI pod as a proxy for its AWS instance profile
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# on the pod's localhost:1234 which allows the WAL-E code to list backups there:
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kubectl exec \
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"$(
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kubectl get pods \
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--server="${kubernetes_api_url}" \
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--selector="application=${operator_ui_application}" \
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--output='name' \
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| head --lines=1 \
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| sed 's@^[^/]*/@@'
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)" \
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-- \
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sh -c '
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apk add --no-cache socat;
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pkill socat;
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socat -v TCP-LISTEN:1234,reuseaddr,fork,su=nobody TCP:169.254.169.254:80
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' \
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&
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# Forward localhost:1234 to localhost:1234 on the PostgreSQL Operator UI pod to
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# get to the AWS instance metadata endpoint:
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echo "Port forwarding to the PostgreSQL Operator UI's instance metadata service"
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kubectl port-forward \
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--server="${kubernetes_api_url}" \
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"$(
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kubectl get pods \
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--server="${kubernetes_api_url}" \
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--selector="application=${operator_ui_application}" \
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--output='name' \
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| head --lines=1 \
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| sed 's@^[^/]*/@@'
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)" \
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1234 \
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&
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# Forward localhost:8080 to localhost:8080 on the PostgreSQL Operator pod, which
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# allows access to the Operator REST API
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# when using helm chart use --selector='app.kubernetes.io/name=postgres-operator'
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echo 'Port forwarding to the PostgreSQL Operator REST API'
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kubectl port-forward \
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--server="${kubernetes_api_url}" \
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"$(
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kubectl get pods \
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--server="${kubernetes_api_url}" \
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--selector='name=postgres-operator' \
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--output='name' \
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| head --lines=1 \
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| sed 's@^[^/]*/@@'
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)" \
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8080 \
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&
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# Start a local proxy on localhost:8001 of the target Kubernetes cluster's API:
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kubectl proxy &
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# Start application:
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python3 \
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-m operator_ui \
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--clusters='localhost:8001' \
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$@
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