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fix(aws): fix acp function for MFA without role and other fixes (#9426)
* fix(aws): don't duplicate aws_prompt_info function in RPROMPT * refactor(aws): clean up logic in acp function and fix session duration input Fixes #9409
This commit is contained in:
Marc Cornellà
GitHub
parent
fc82aff77c
commit
dc4692b53e
1 changed files with 65 additions and 58 deletions
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@ -26,7 +26,8 @@ function asp() {
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# AWS profile switch
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function acp() {
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if [[ -z "$1" ]]; then
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unset AWS_DEFAULT_PROFILE AWS_PROFILE AWS_EB_PROFILE AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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unset AWS_DEFAULT_PROFILE AWS_PROFILE AWS_EB_PROFILE
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unset AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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echo AWS profile cleared.
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return
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fi
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@ -39,73 +40,79 @@ function acp() {
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return 1
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fi
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local aws_access_key_id="$(aws configure get aws_access_key_id --profile $1)"
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local aws_secret_access_key="$(aws configure get aws_secret_access_key --profile $1)"
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local aws_session_token="$(aws configure get aws_session_token --profile $1)"
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local mfa_serial="$(aws configure get mfa_serial --profile $1)"
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local role_arn="$(aws configure get role_arn --profile $1)"
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local profile="$1"
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# Get fallback credentials for if the aws command fails or no command is run
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local aws_access_key_id="$(aws configure get aws_access_key_id --profile $profile)"
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local aws_secret_access_key="$(aws configure get aws_secret_access_key --profile $profile)"
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local aws_session_token="$(aws configure get aws_session_token --profile $profile)"
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# First, if the profile has MFA configured, lets get the token and session duration
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local mfa_opt=""
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local mfa_serial="$(aws configure get mfa_serial --profile $profile)"
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if [[ -n $mfa_serial ]]; then
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local mfa_token=""
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echo "Please enter your MFA token for $mfa_serial:"
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if [[ -n "$mfa_serial" ]]; then
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local -a mfa_opt
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local mfa_token sess_duration
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echo -n "Please enter your MFA token for $mfa_serial: "
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read -r mfa_token
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echo "Please enter the session duration in seconds (900-43200; default: 3600, which is the default maximum for a role):"
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echo -n "Please enter the session duration in seconds (900-43200; default: 3600, which is the default maximum for a role): "
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read -r sess_duration
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if [[ -z $sess_duration ]]; then
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sess_duration="3600"
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fi
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mfa_opt="--serial-number $mfa_serial --token-code $mfa_token --duration-seconds $sess_duration"
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fi
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mfa_opt=(--serial-number "$mfa_serial" --token-code "$mfa_token" --duration-seconds "${sess_duration:-3600}")
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# Now see whether we need to just MFA for the current role, or assume a different one
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local credentials_output=""
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if [[ -n $role_arn ]]; then
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local role_arn="$(aws configure get role_arn --profile $profile)"
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if [[ -n "$role_arn" ]]; then
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# Means we need to assume a specified role
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aws_command=(aws sts assume-role --role-arn "$role_arn" "${mfa_opt[@]}")
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# Check whether external_id is configured to use while assuming the role
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local ext_id="$(aws configure get external_id --profile $1)"
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local extid_opt=""
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if [[ -n $ext_id ]]; then
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extid_opt="--external-id $ext_id"
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local external_id="$(aws configure get external_id --profile "$profile")"
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if [[ -n "$external_id" ]]; then
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aws_command+=(--external-id "$external_id")
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fi
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# Get source profile to use to assume role
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local profile=$1
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local source_profile="$(aws configure get source_profile --profile "$1")"
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if [[ -n $source_profile ]]; then
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profile=$source_profile
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fi
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local source_profile="$(aws configure get source_profile --profile "$profile")"
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aws_command+=(--profile="${source_profile:-profile}" --role-session-name "${source_profile:-profile}")
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echo "Assuming role $role_arn using profile $profile"
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local assume_cmd=(aws sts assume-role "--profile=$profile" "--role-arn $role_arn" "--role-session-name $profile" "$mfa_opt" "$extid_opt"
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"--query '[Credentials.AccessKeyId,Credentials.SecretAccessKey,Credentials.SessionToken]' --output text | tr '\t' '\n'")
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credentials_output="$(eval "${assume_cmd[@]}")"
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elif [[ -n $mfa_opt ]]; then
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echo "Assuming role $role_arn using profile ${source_profile:-profile}"
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else
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# Means we only need to do MFA
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aws_command=(aws sts get-session-token --profile="$profile" "${mfa_opt[@]}")
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echo "Obtaining session token for profile $profile"
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local get_token_cmd=(aws sts get-session-token "--profile=$profile" "$mfa_opt"
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"--query '[Credentials.AccessKeyId,Credentials.SecretAccessKey,Credentials.SessionToken]' --output text | tr '\t' '\n'")
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credentials_output="$(eval "${get_token_cmd[@]}")"
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fi
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if [[ -n $credentials_output ]]; then
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local credentials=("${(f)credentials_output}")
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aws_access_key_id=${credentials[1]}
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aws_secret_access_key=${credentials[2]}
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aws_session_token=${credentials[3]}
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# Format output of aws command for easier processing
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aws_command+=(--query '[Credentials.AccessKeyId,Credentials.SecretAccessKey,Credentials.SessionToken]' --output text)
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# Run the aws command to obtain credentials
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local -a credentials
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credentials=(${(ps:\t:)"$(${aws_command[@]})"})
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if [[ -n "$credentials" ]]; then
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aws_access_key_id="${credentials[1]}"
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aws_secret_access_key="${credentials[2]}"
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aws_session_token="${credentials[3]}"
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fi
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fi
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if [[ -n $aws_access_key_id && -n $aws_secret_access_key ]]; then
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export AWS_DEFAULT_PROFILE=$1
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export AWS_PROFILE=$1
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export AWS_EB_PROFILE=$1
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export AWS_ACCESS_KEY_ID=$aws_access_key_id
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export AWS_SECRET_ACCESS_KEY=$aws_secret_access_key
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[[ -z "$aws_session_token" ]] && unset AWS_SESSION_TOKEN || export AWS_SESSION_TOKEN=$aws_session_token
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echo "Switched to AWS Profile: $1"
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# Switch to AWS profile
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if [[ -n "${aws_access_key_id}" && -n "$aws_secret_access_key" ]]; then
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export AWS_DEFAULT_PROFILE="$profile"
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export AWS_PROFILE="$profile"
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export AWS_EB_PROFILE="$profile"
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export AWS_ACCESS_KEY_ID="$aws_access_key_id"
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export AWS_SECRET_ACCESS_KEY="$aws_secret_access_key"
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if [[ -n "$aws_session_token" ]]; then
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export AWS_SESSION_TOKEN="$aws_session_token"
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else
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unset AWS_SESSION_TOKEN
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fi
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echo "Switched to AWS Profile: $profile"
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fi
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}
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@ -141,7 +148,7 @@ function aws_prompt_info() {
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echo "${ZSH_THEME_AWS_PREFIX:=<aws:}${AWS_PROFILE}${ZSH_THEME_AWS_SUFFIX:=>}"
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}
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if [ "$SHOW_AWS_PROMPT" != false ]; then
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if [[ "$SHOW_AWS_PROMPT" != false && "$RPROMPT" != *'$(aws_prompt_info)'* ]]; then
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RPROMPT='$(aws_prompt_info)'"$RPROMPT"
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fi
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