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configure.sh
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configure.sh
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#!/usr/bin/env bash
set -o errexit
set -o pipefail
# shellcheck disable=SC2155
export PROJECT_DIR=$(git rev-parse --show-toplevel)
# shellcheck disable=SC2155
export SOPS_AGE_KEY_FILE=~/.config/sops/age/keys.txt
export WIREGUARD_DIR="${PROJECT_DIR}/.bootstrap-secrets"
export WIREGUARD_CONFIG_FILE="${WIREGUARD_DIR}/wireguard.conf"
# shellcheck disable=SC1091
source "${PROJECT_DIR}/.config.env"
show_help() {
cat << EOF
Usage: $(basename "$0") <options>
-h, --help Display help
--verify Verify .config.env settings
--vault Inject env vars into vault
--ghcr Create ghcr auth secret
EOF
}
main() {
local verify=
local vault=
parse_command_line "$@"
verify_binaries
if [[ "${verify}" == 1 ]]; then
verify_ansible_hosts
verify_age
verify_git_repository
verify_vault
verify_argo
verify_cloudflare
success
elif [[ "${vault}" == 1 ]]; then
generate_cluster_secrets
elif [[ "${ghcr}" == 1 ]]; then
add_github_registry_secret
else
# sops configuration file
envsubst < "${PROJECT_DIR}/tmpl/.sops.yaml" \
> "${PROJECT_DIR}/.sops.yaml"
# template argo values
export ARGO_PWD=$(htpasswd -nbBC 10 "" $BOOTSTRAP_ARGO_ADMIN_PASSWORD | tr -d ':\n' | sed 's/$2y/$2a/')
envsubst '$ARGO_PWD $BOOTSTRAP_GIT_REPOSITORY' < "${PROJECT_DIR}/tmpl/argo/values.yaml" \
> "${PROJECT_DIR}/cluster/init/argocd/values.yaml"
# template terraform
envsubst < "${PROJECT_DIR}/tmpl/terraform/secret.sops.yaml" \
> "${PROJECT_DIR}/provision/terraform/cloudflare/secret.sops.yaml"
sops --encrypt --in-place "${PROJECT_DIR}/provision/terraform/cloudflare/secret.sops.yaml"
# ansible
generate_ansible_hosts
generate_ansible_host_secrets
fi
}
parse_command_line() {
while :; do
case "${1:-}" in
-h|--help)
show_help
exit
;;
--verify)
verify=1
;;
--vault)
vault=1
;;
*)
break
;;
esac
shift
done
if [[ -z "$verify" ]]; then
verify=0
fi
if [[ -z "$vault" ]]; then
vault=0
fi
}
_has_binary() {
command -v "${1}" >/dev/null 2>&1 || {
_log "ERROR" "${1} is not installed or not found in \$PATH"
exit 1
}
}
_has_envar() {
local option="${1}"
# shellcheck disable=SC2015
[[ "${!option}" == "" ]] && {
_log "ERROR" "Unset variable ${option}"
exit 1
} || {
_log "INFO" "Found variable '${option}' with value '${!option}'"
}
}
_has_valid_ip() {
local ip="${1}"
local variable_name="${2}"
if ! ipcalc "${ip}" | awk 'BEGIN{FS=":"; is_invalid=0} /^INVALID/ {is_invalid=1; print $1} END{exit is_invalid}' >/dev/null 2>&1; then
_log "INFO" "Variable '${variable_name}' has an invalid IP address '${ip}'"
exit 1
else
_log "INFO" "Variable '${variable_name}' has a valid IP address '${ip}'"
fi
}
verify_age() {
_has_envar "BOOTSTRAP_AGE_PUBLIC_KEY"
_has_envar "SOPS_AGE_KEY_FILE"
if [[ ! "$BOOTSTRAP_AGE_PUBLIC_KEY" =~ ^age.* ]]; then
_log "ERROR" "BOOTSTRAP_AGE_PUBLIC_KEY does not start with age"
exit 1
else
_log "INFO" "Age public key is in the correct format"
fi
if [[ ! -f ~/.config/sops/age/keys.txt ]]; then
_log "ERROR" "Unable to find Age file keys.txt in ~/.config/sops/age"
exit 1
else
_log "INFO" "Found Age public key '${BOOTSTRAP_AGE_PUBLIC_KEY}'"
fi
}
verify_binaries() {
_has_binary "ansible"
_has_binary "envsubst"
_has_binary "git"
_has_binary "age"
_has_binary "helm"
_has_binary "ipcalc"
_has_binary "jq"
_has_binary "sops"
_has_binary "ssh"
_has_binary "go-task"
_has_binary "terraform"
}
verify_git_repository() {
_has_envar "BOOTSTRAP_GIT_REPOSITORY"
export GIT_TERMINAL_PROMPT=0
pushd "$(mktemp -d)" >/dev/null 2>&1
[ "$(git ls-remote "${BOOTSTRAP_GIT_REPOSITORY}" 2> /dev/null)" ] || {
_log "ERROR" "Unable to find the remote Git repository '${BOOTSTRAP_GIT_REPOSITORY}'"
exit 1
}
popd >/dev/null 2>&1
export GIT_TERMINAL_PROMPT=1
}
verify_cloudflare() {
local account_zone=
local errors=
_has_envar "BOOTSTRAP_CLOUDFLARE_DOMAIN"
_has_envar "BOOTSTRAP_CLOUDFLARE_API_TOKEN"
# Try to retrieve zone information from Cloudflare's API
account_zone=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=${BOOTSTRAP_CLOUDFLARE_DOMAIN}" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer ${BOOTSTRAP_CLOUDFLARE_API_TOKEN}"
)
if [[ "$(echo "${account_zone}" | jq ".success")" == "true" ]]; then
_log "INFO" "Verified Cloudflare Account and Zone information"
else
errors=$(echo "${account_zone}" | jq -c ".errors")
_log "ERROR" "Unable to get Cloudflare Account and Zone information ${errors}"
exit 1
fi
}
verify_ansible_hosts() {
local node_id=
local node_addr=
local node_username=
local node_password=
local node_control=
for var in "${!BOOTSTRAP_ANSIBLE_HOST_ADDR_@}"; do
node_id=$(echo "${var}" | awk -F"_" '{print $5}')
node_addr="BOOTSTRAP_ANSIBLE_HOST_ADDR_${node_id}"
node_username="BOOTSTRAP_ANSIBLE_SSH_USERNAME_${node_id}"
node_password="BOOTSTRAP_ANSIBLE_SUDO_PASSWORD_${node_id}"
node_control="BOOTSTRAP_ANSIBLE_CONTROL_NODE_${node_id}"
_has_envar "${node_addr}"
_has_envar "${node_username}"
_has_envar "${node_password}"
_has_envar "${node_control}"
if ssh -q -o BatchMode=yes -o ConnectTimeout=5 "${!node_username}"@"${!var}" "true"; then
_log "INFO" "Successfully SSH'ed into host '${!var}' with username '${!node_username}'"
else
_log "ERROR" "Unable to SSH into host '${!var}' with username '${!node_username}'"
exit 1
fi
done
}
verify_vault() {
_has_envar "VAULT_OAUTH2_CLIENT_ID"
_has_envar "VAULT_OAUTH2_CLIENT_SECRET"
_has_envar "VAULT_OAUTH2_COOKIE_SECRET"
_has_envar "VAULT_OAUTH2_EMAIL_WHITELIST"
_has_envar "VAULT_DYNDNS_NAMECHEAP_PASSWORD"
_has_envar "VAULT_SAMBA_USER"
_has_envar "BOOTSTRAP_CLOUDFLARE_API_TOKEN"
_has_envar "BOOTSTRAP_CLOUDFLARE_DOMAIN"
_log "INFO" "Found variables for Vault injection"
if test -f "$WIREGUARD_CONFIG_FILE"; then
_log "INFO" "Found wireguard config file"
else
_log "ERROR" "Couldn't find the wireguard config file"
exit 1
fi
}
generate_cluster_secrets() {
# initialize secret @ secret/oauth2
kubectl exec -n vault vault-0 -- vault kv put kv/secret/oauth2 name=my-oauth2-secret
for var in "${!VAULT_OAUTH2@}"; do
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/oauth2 "$var"="$(echo -n ${!var})"
done
# patch email whitelist
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/oauth2 \
VAULT_OAUTH2_EMAIL_WHITELIST="$(echo "${VAULT_OAUTH2_EMAIL_WHITELIST}" | sed 's/,/\n/g')"
# initialize secret @ secret/dyndns
kubectl exec -n vault vault-0 -- vault kv put kv/secret/dyndns name=my-dns-secret
for var in "${!VAULT_DYNDNS@}"; do
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/dyndns "$var"="$(echo -n ${!var})"
done
# initialize secret @ secret/wireguard
kubectl exec -n vault vault-0 -- vault kv put kv/secret/wireguard name=my-wireguard-secret
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/wireguard "VAULT_WIREGUARD_PRIVATE_KEY"="$VAULT_WIREGUARD_PRIVATE_KEY"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/wireguard "VAULT_WIREGUARD_ADDRESSES"="$VAULT_WIREGUARD_ADDRESSES"
# initialize secret @ secret/postgres
kubectl exec -n vault vault-0 -- vault kv put kv/secret/postgres name=my-postgres-secret
for var in "${!VAULT_POSTGRES@}"; do
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/postgres "$var"="$(echo -n ${!var})"
done
# initialize secret @ secret/mongodb
kubectl exec -n vault vault-0 -- vault kv put kv/secret/mongodb name=my-mongodb-secret
for var in "${!VAULT_MONGODB@}"; do
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/mongodb "$var"="$(echo -n ${!var})"
done
# initialize secret @ secret/samba
kubectl exec -n vault vault-0 -- vault kv put kv/secret/samba name=my-samba-secret
for var in "${!VAULT_SAMBA@}"; do
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/samba "$var"="$(echo -n ${!var})"
done
# initialize secret @ secret/icloudpd
kubectl exec -n vault vault-0 -- vault kv put kv/secret/icloudpd name=my-icloudpd-secret
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/icloudpd "VAULT_ICLOUDPD_USER_OM"="$VAULT_ICLOUDPD_USER_OM"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/icloudpd "VAULT_ICLOUDPD_TELEGRAM_TOKEN"="$VAULT_TELEGRAM_TOKEN"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/icloudpd "VAULT_ICLOUDPD_TELEGRAM_CHAT_ID"="$VAULT_TELEGRAM_CHAT_ID"
# initialize secret @ secret/cloudflare
kubectl exec -n vault vault-0 -- vault kv put kv/secret/cloudflare name=my-cloudflare-secret
for var in "${!VAULT_CLOUDFLARE@}"; do
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/cloudflare "$var"="$(echo -n ${!var})"
done
# initialize secret @ secret/ibkr
kubectl exec -n vault vault-0 -- vault kv put kv/secret/ibkr name=my-ibkr-secret
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/ibkr "VAULT_IBKR_USER_ID"="$VAULT_TWS_USER_ID"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/ibkr "VAULT_IBKR_PASSWORD"="$VAULT_TWS_PASSWORD"
# initialize secret @ secret/tailscale
kubectl exec -n vault vault-0 -- vault kv put kv/secret/tailscale name=my-tailscale-secret
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/tailscale "VAULT_TAILSCALE_K8S_CLIENT_ID"="$VAULT_TAILSCALE_K8S_CLIENT_ID"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/tailscale "VAULT_TAILSCALE_K8S_CLIENT_SECRET"="$VAULT_TAILSCALE_K8S_CLIENT_SECRET"
# initialize secret @ secret/aws
kubectl exec -n vault vault-0 -- vault kv put kv/secret/mlflow name=my-mlflow-secret
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/mlflow "VAULT_AWS_ACCESS_KEY"="$AWS_STORAGE_ACCESS_KEY"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/mlflow "VAULT_AWS_SECRET_KEY"="$AWS_STORAGE_SECRET_KEY"
kubectl exec -n vault vault-0 -- vault kv patch kv/secret/mlflow "VAULT_MLFLOW_S3_BUCKET_NAME"="$MLFLOW_S3_BUCKET_NAME"
}
verify_argo() {
_has_envar "BOOTSTRAP_ARGO_ADMIN_PASSWORD"
_log "INFO" "Found variables for ARGO"
}
success() {
printf "\nAll checks pass!"
exit 0
}
generate_ansible_host_secrets() {
local node_id=
local node_username=
local node_password=
{
node_username="BOOTSTRAP_ANSIBLE_SSH_USERNAME"
node_password="BOOTSTRAP_ANSIBLE_SUDO_PASSWORD"
printf "kind: Secret\n"
printf "ansible_user: %s\n" "${!node_username}"
printf "ansible_become_pass: %s\n" "${!node_password}"
} > "${PROJECT_DIR}/provision/ansible/inventory/host_vars/${BOOTSTRAP_ANSIBLE_HOST_NAME}.sops.yml"
sops --encrypt --in-place "${PROJECT_DIR}/provision/ansible/inventory/host_vars/${BOOTSTRAP_ANSIBLE_HOST_NAME}.sops.yml"
}
generate_ansible_hosts() {
{
printf -- "---\n"
printf "kubernetes:\n"
printf " children:\n"
printf " master:\n"
printf " hosts:\n"
printf " %s:\n" "${BOOTSTRAP_ANSIBLE_HOST_NAME}"
printf " ansible_host: %s\n" "${BOOTSTRAP_ANSIBLE_HOST_ADDR}"
} > "${PROJECT_DIR}/provision/ansible/inventory/hosts.yml"
}
add_github_registry_secret() {
kubectl create secret docker-registry dockerconfigjson-github-com \
--docker-server=https://ghcr.io \
--docker-username=omdv \
--docker-password=$GITHUB_GHCR_TOKEN \
--namespace=sailboats
}
_log() {
local type="${1}"
local msg="${2}"
printf "[%s] [%s] %s\n" "$(date -u)" "${type}" "${msg}"
}
main "$@"