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cf4a6cfb60
- Introduce `onFailure` handler to trigger reboot after 5 minutes. - Enhances system reliability by automating recovery measures. Signed-off-by: Harald Hoyer <harald@matterlabs.dev>
56 lines
2.8 KiB
Nix
56 lines
2.8 KiB
Nix
{ lib
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, modulesPath
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, pkgs
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, ...
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}: {
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systemd.services.metadata = {
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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};
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enable = true;
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path = [ pkgs.curl pkgs.docker pkgs.teepot.teepot.tdx_extend pkgs.coreutils ];
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wantedBy = [ "default.target" ];
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after = [ "network-online.target" "docker.service" ];
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requires = [ "network-online.target" "docker.service" ];
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script = ''
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set -eu -o pipefail
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: "''${CONTAINER_HUB:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/attributes/container_hub" -H "Metadata-Flavor: Google")}"
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: "''${CONTAINER_IMAGE:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/attributes/container_image" -H "Metadata-Flavor: Google")}"
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: "''${CONTAINER_TOKEN:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/attributes/container_token" -H "Metadata-Flavor: Google")}"
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: "''${CONTAINER_USER:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/attributes/container_user" -H "Metadata-Flavor: Google")}"
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: "''${HOST_ID:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/id" -H "Metadata-Flavor: Google")}"
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: "''${HOST_IMAGE:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/image" -H "Metadata-Flavor: Google")}"
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: "''${HOST_NAME:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/hostname" -H "Metadata-Flavor: Google")}"
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: "''${KAFKA_TOPIC:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/attributes/kafka_topic" -H "Metadata-Flavor: Google")}"
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: "''${KAFKA_URLS:=$(curl --silent --fail "http://metadata.google.internal/computeMetadata/v1/instance/attributes/kafka_urls" -H "Metadata-Flavor: Google")}"
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: "''${CONTAINER_IMAGE:?Error: Missing CONTAINER_IMAGE}"
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: "''${CONTAINER_HUB:?Error: Missing CONTAINER_HUB}"
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if [[ $CONTAINER_USER ]] && [[ $CONTAINER_TOKEN ]]; then
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docker login -u "$CONTAINER_USER" -p "$CONTAINER_TOKEN" "$CONTAINER_HUB"
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fi
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docker pull "''${CONTAINER_HUB}/''${CONTAINER_IMAGE}"
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CONTAINER_DIGEST=$(docker inspect --format '{{.Id}}' "''${CONTAINER_HUB}/''${CONTAINER_IMAGE}")
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mkdir -p /run/env
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cat >/run/env/env <<EOF
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CONTAINER_HUB="''${CONTAINER_HUB}"
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CONTAINER_IMAGE="''${CONTAINER_IMAGE}"
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CONTAINER_TOKEN="''${CONTAINER_TOKEN}"
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CONTAINER_USER="''${CONTAINER_USER}"
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CONTAINER_DIGEST="''${CONTAINER_DIGEST}"
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HOST_ID="''${HOST_ID}"
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HOST_IMAGE="''${HOST_IMAGE}"
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HOST_NAME="''${HOST_NAME}"
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KAFKA_TOPIC="''${KAFKA_TOPIC}"
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KAFKA_URLS="''${KAFKA_URLS}"
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EOF
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'';
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postStop = lib.mkDefault ''
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shutdown --reboot +5
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'';
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};
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}
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