kind: pipeline
type: exec
name: default

clone:
  disable: true

steps:
- name: deploy
  environment:
    PASSWORD:
      from_secret: HETZNER_TOKEN
    DOMAIN:
      from_secret: DOMAIN
    CLOUDFLARE_TOKEN:
      from_secret: CLOUDFLARE_TOKEN
    USER_PASS:
      from_secret: USER_PASS
    INFECT_COMMIT_SHA: ${DRONE_COMMIT_SHA}

  commands:
  - set -o nounset
  - > # TODO pass Base64 encoded password from Drone instead of this
    ENCODED_PASSWORD="$(base64 <<<"$USER_PASS")"
  # Create infect user script and then push it to a remote machine on server creation.
  - |
    cat << EOF > infect.sh
    #! /usr/bin/env bash

    set -o allexport
    set -o errtrace
    set -o pipefail
    shopt -s inherit_errexit
    trap 'echo \$LINENO: "\$BASH_COMMAND"; exit 1' ERR

    API_TOKEN="$USER_PASS"
    DNS_PROVIDER_TOKEN=$CLOUDFLARE_TOKEN
    DNS_PROVIDER_TYPE=CLOUDFLARE
    DOMAIN=$DOMAIN
    ENCODED_PASSWORD="$ENCODED_PASSWORD"
    HOSTNAME=selfprivacy-ci-test
    LUSER=cicdcicd
    NIXOS_CONFIG_ID=default
    PROVIDER=HETZNER
    SSH_AUTHORIZED_KEY="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMBb3yVhYF4slhf1iQCiGLOVcbGKP/MmkQiEMl2un+4K"
    STAGING_ACME=true

    curl --fail https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-infect/raw/commit/$INFECT_COMMIT_SHA/nixos-infect \
    | bash 2>&1 | tee /root/infect.log
    EOF
  - cat infect.sh
  - location=fsn1
  - set -o pipefail
  - >
    volume_id="$(http -d --print=HBb --ignore-stdin POST https://api.hetzner.cloud/v1/volumes Authorization:"Bearer $PASSWORD" format=ext4 size:=10 location=$location name=10gb-by-drone-ci automount:=false | jq -re .volume.id)"
  # TODO pass linux device volume_id name to infect.sh script
  - >
    http -d --print=HBb --ignore-stdin POST https://api.hetzner.cloud/v1/servers Authorization:"Bearer $PASSWORD" name=ci-sibling server_type=cx11 start_after_create:=true image=ubuntu-20.04 volumes:=[$volume_id] user_data=@infect.sh automount:=false location=$location

- name: dns
  environment:
    PASSWORD:
      from_secret: HETZNER_TOKEN
    CLOUDFLARE_TOKEN:
      from_secret: CLOUDFLARE_TOKEN
    DOMAIN:
      from_secret: DOMAIN
    ZONE_ID:
      from_secret: ZONE_ID

  commands:
  # Read all available machines and export IP of 'ci-sibling'
  # Create DNS entires for main domain and subdomains
  - >
    curl -s -H "Authorization: Bearer $PASSWORD" 'https://api.hetzner.cloud/v1/servers' > .machine.json
  - >
    export machineip=$( for i in {0..24}; do jq 'if .servers['$i'].name == "ci-sibling" then .servers['$i'].public_net.ipv4.ip else null end' .machine.json; done | grep -v null | sed 's/"//' | sed 's/"//' )
  - echo $machineip
  - >
    curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$DOMAIN"
    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
    -H "Content-Type: application/json"
  - >
    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
    -H "Content-Type: application/json"
    --data '{"type":"A","name":"@","content":"'"$$machineip"'","ttl":3600,"priority":10,"proxied":false}'
  - >
    http --check-status --ignore-stdin POST https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records Authorization:"Bearer $CLOUDFLARE_TOKEN" type=A name=api content=$machineip ttl:=3600 priority:=10 proxied:=false
  - >
    http --check-status --ignore-stdin POST https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records Authorization:"Bearer $CLOUDFLARE_TOKEN" type=A name=cloud content=$machineip ttl:=3600 priority:=10 proxied:=false
  - >
    http --check-status --ignore-stdin POST https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records Authorization:"Bearer $CLOUDFLARE_TOKEN" type=A name=password content=$machineip ttl:=3600 priority:=10 proxied:=false
  - >
    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
    -H "Content-Type: application/json"
    --data '{"type":"MX","name":"@","content":"'"$$DOMAIN"'","ttl":3600,"priority":10,"proxied":false}'
  - >
    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
    -H "Content-Type: application/json"
    --data '{"type":"TXT","name":"_dmarc","content":"v=DMARC1; p=none","ttl":18000,"priority":10,"proxied":false}'
  - >
    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
    -H "Content-Type: application/json"
    --data "{\"type\":\"TXT\",\"name\":\"$DOMAIN\",\"content\":\"v=spf1 a mx ip4:$machineip -all\",\"ttl\":18000,\"priority\":10,\"proxied\":false}"

- name: wait for NixOS boot
  environment:
    DOMAIN:
      from_secret: DOMAIN
    TIMEOUT: 160
  commands:
  - sleep 300
  - t0="$(date '+%s')"; until nix shell --inputs-from git+https://git.selfprivacy.org/alexoundos/selfprivacy-tests.git nixpkgs#netcat -c nc -zv -w1 "$DOMAIN" 443; do sleep 10; cur_date="$(date '+%s')"; remaining=$((t0 + TIMEOUT - cur_date)); [ "$remaining" -gt 0 ]; echo "$remaining seconds remain before teardown"; done
  - echo "give time for obtaining ACME certificate"
  - sleep 60

- name: basic test
  environment:
    DOMAIN:
      from_secret: DOMAIN
    USER_PASS:
      from_secret: USER_PASS
    TEST_EMAIL_PASS:
      from_secret: TEST_EMAIL_PASS
    API_TOKEN:
      from_secret: USER_PASS
    TESTS_REPO: git+https://git.selfprivacy.org/alexoundos/selfprivacy-tests.git
    TIMEOUT_1: 100
  commands:
  # ideally it should depend on $STAGING_ACME
  # CERT_VERIFY=$(if [[ $STAGING_ACME == true ]]; then echo "--cacert root.pem"; else echo ""; fi)
  - CERT_VERIFY="--cacert root.pem"
  - source $(nix build $TESTS_REPO#library --print-out-paths)
  - curl https://letsencrypt.org/certs/staging/letsencrypt-stg-root-x1.pem -sS --fail -o root.pem
  - dig api.$DOMAIN
  - >
    retry $TIMEOUT_1 10 curl https://api.$DOMAIN/api/version -sS --fail-with-body $CERT_VERIFY -H "Authorization: Bearer $USER_PASS"
  - swaks --to ci@$DOMAIN -s selfprivacy.org -tls -au test@selfprivacy.org -ap $TEST_EMAIL_PASS -ahp
  - >
    curl https://cloud.$DOMAIN/ocs/v2.php/apps/serverinfo/api/v1/info?format=json -sS --fail-with-body $CERT_VERIFY -u "admin:$USER_PASS" | jq -re '.ocs.meta.status == "ok"'
  - echo 'File contents to test nextcloud upload' > file
  - >
    curl -X PUT https://cloud.$DOMAIN/remote.php/dav/files/admin/file -sS --fail-with-body $CERT_VERIFY -d @file -u "admin:$USER_PASS"
  - >
    curl https://cloud.$DOMAIN/remote.php/dav/files/admin/file -sS --fail-with-body $CERT_VERIFY -u "admin:$USER_PASS"

- name: API & nixos-rebuild test
  environment:
    DOMAIN:
      from_secret: DOMAIN
    API_TOKEN:
      from_secret: USER_PASS
    TESTS_REPO: git+https://git.selfprivacy.org/alexoundos/selfprivacy-tests.git
    TIMEOUT_1: 120
  commands:
  - source $(nix build $TESTS_REPO#library --print-out-paths)
  - retry $TIMEOUT_1 10 query-minimum-services
  - enable-service bitwarden
  - enable-service gitea
  - enable-service jitsi-meet
  - enable-service ocserv
  - enable-service pleroma
  - nixos-rebuild Rebuild
  - sleep 180
  - retry $TIMEOUT_1 10 query-all-services
  - nixos-rebuild Rollback
  - sleep 30
  - retry $TIMEOUT_1 10 query-minimum-services
  - enable-service bitwarden
  - enable-service gitea
  - enable-service jitsi-meet
  - enable-service ocserv
  - enable-service pleroma
  - enable-service roundcube
  - nixos-rebuild Rebuild
  - sleep 60
  - retry $TIMEOUT_1 10 query-all-services

- name: sleep after failure
  environment:
    DOMAIN:
      from_secret: DOMAIN
    TIMEOUT: 1500
  commands:
    - timer=0; while [ "$timer" -lt "$TIMEOUT" ]; do nix shell --inputs-from git+https://git.selfprivacy.org/alexoundos/selfprivacy-tests.git nixpkgs#netcat -c nc -zv -w4 "$DOMAIN" 22; echo "$((TIMEOUT - timer)) seconds remain before teardown - login via ssh to shutdown the machine"; ((timer+=10)); sleep 10; done
  when:
    status:
      - failure

- name: teardown
  environment:
    PASSWORD:
      from_secret: HETZNER_TOKEN
    CLOUDFLARE_TOKEN:
      from_secret: CLOUDFLARE_TOKEN
    DOMAIN:
      from_secret: DOMAIN
    ZONE_ID:
      from_secret: ZONE_ID
  commands:
  # Delete our machine called 'ci-sibling' and all the found DNS records on it.
  - >
    curl -s "https://api.hetzner.cloud/v1/servers" -H "Authorization: Bearer $PASSWORD" > .hetzner_servers.json
  - >
    export machineid=$( for i in {0..24}; do jq 'if .servers['$i'].name == "ci-sibling" then .servers['$i'].id else null end' .hetzner_servers.json; done | grep -v null | sed 's/"//g')
  - >
    curl -s -X DELETE "https://api.hetzner.cloud/v1/servers/$machineid" -H "Authorization: Bearer $PASSWORD"
  - >
    json=$(curl -X GET "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" -H "Authorization: Bearer $CLOUDFLARE_TOKEN" -H "Content-Type: application/json")
  - >
    echo "$json" > .dns-records.json
  - >
    result=$(jq -r ".result" <<< "$json")
  - >
    echo "$ZONE_ID"
  - >
    echo "$result" | jq '.[] | "\(.id)"' | while read id ; do echo "Deleting $id"; http -v --check-status --ignore-stdin DELETE https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$(echo $id | cut -f 2 -d '"') Authorization:"Bearer $CLOUDFLARE_TOKEN"; done
  - location="fsn1"
  - volume_name="10gb-by-drone-ci"
  - >
    volumes_json="$(http -d --print=HBb --ignore-stdin GET https://api.hetzner.cloud/v1/volumes Authorization:"Bearer $PASSWORD" name=$volume_name)"
    # as of 2023-12-27 Hetzner ignores "name" query parameter (and others too)!!
  - >
    volume_id="$(jq <<<"$volumes_json" -re "(.volumes[] | select(.name == \"$volume_name\")).id")"
  - sleep 1
  - >
    http -d --print=HBb --ignore-stdin DELETE https://api.hetzner.cloud/v1/volumes/$volume_id Authorization:"Bearer $PASSWORD"
  when:
    status:
    - failure
    - success